bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Bismuth Trichloride as a New Efficient Catalyst in the Aldol Reaction.
Authors: OHKI H. , WADA M. , AKIBA K.
Published: May 2016

The silyl enol ethers (I) are coupled with the aldehydes (II) in the presence of BiCl3 to form the adducts (III) and (IV).
ChemInform Abstract: Strained Ketenes from α‐Bromoacyl Phosphates. (Tricyclo(4.4.1.01,6)undeca‐3,8‐dien‐11‐ylidene)methanone and Its Heptacyclic Dimer: A Dispirobridged Dipropellane (1,1′′,4,4′′,5,5′′,8,8′′‐Octahydrodispiro((4a,8a)methanonaphthalene‐9,1′‐cyclobutane‐3′,9′′‐(4a,8a)methanonaphthalene)‐2′,4′‐dione).
Authors: HOFFMANN H. M. R. , GESCHWINDER P. M. , HOLLWEGE H.‐P. , WALENTA A.
Published: May 2016

The reaction of the acids (I) and (IV) with phosphorochloridate (II) yields mixed anhydrides, which are dehalogenated to give ketene intermediates.
ChemInform Abstract: Fluoroindenes. Part 10. Cycloaddition of Difluorocarbene to Perfluoro‐3‐methylindene and Perfluoro‐1‐methyleneindan. Thermolysis and Bromination of the Cyclopropane Derivatives Formed.
Authors: CHUIKOV I. P. , KARPOV V. M. , PLATONOV V. E. , YAKOBSON G. G.
Published: May 2016

The perfluoromethylindene (I) and the perfluoromethyleneindan (VI) react with difluorocarbene, generated in situ from perfluoropropylene oxide (II), to give the cyclopropanes (III) and (VII).
ChemInform Abstract: A Novel Darzens‐Type Condensation Using α‐Chloro Ketimines.
Authors: SULMON P. , DE KIMPE N. , SCHAMP N. , DECLERCQ J.‐P. , TINANT B.
Published: May 2016

The lithium salts of the α‐chloro ketimines (I) combine with the carbonyl compounds (II) to yield the imidoyl epoxides (III).
ChemInform Abstract: Chemistry of Oxaziridines. Part 11. (Camphorylsulfonyl)oxaziridine, Synthesis and Properties.
Authors: DAVIS F. A. , TOWSON J. C. , WEISMILLER M. C. , LAL S. , CARROLL P. J.
Published: May 2016

Both stereoisomeric oxaziridines (+)‐(VI) (space group P212121 with Z=4) and its (‐)‐(2S,8aR) counterpart are synthesized from (+)‐(I) and (‐)‐camphorsulfonic acid, respectively.
ChemInform Abstract: Benzotriazoles. Part 15. The Preparation of 1‐(1‐Alkenyl)benzotriazoles.
Authors: KATRITZKY A. R. , OFFERMAN R. J. , CABILDO P. , SOLEIMAN M.
Published: May 2016

Two methods are described for the preparation of the title compounds such as (VII) or (XII).
ChemInform Abstract: Nucleophilic Thionation of Polyfluorinated β‐Dicarbonyl Compounds.
Authors: PASHKEVICH K. I. , SALOUTIN V. I. , BOBROV M. B. , YUFIT D. S. , STRUCHKOV YU. T.
Published: May 2016

Treatment of the polyfluorinated β‐diketones (I) with P4S10 (II) in the presence of K2CO3 affords the Z‐configurated 2H‐thiopyrans (III).
ChemInform Abstract: 2,4,6‐Tris(dialkylamino)pyrylium Salts and Related Systems, Synthesis and Reaction Behaviour.
Authors: SCHROTH W. , SPITZNER R. , KLEINPETER E.
Published: May 2016

Tetrachlorodivinyl ketone (I) reacts with trimethylsilylamines (II) to give the monosubstitution products (III) which are treated with water or H2S (IV) to yield the (thio)amides (V).
ChemInform Abstract: Synthesis of Pyrimidines from Vinyl Chlorides and Nitriles by the Ritter Reaction.
Authors: BORODAEV S. V. , ZUBKOVA O. V. , LUK'YANOV S. M.
Published: May 2016

In the presence of CF3SO3H the vinylic chloroalkenes (I) react with nitriles, e.g. benzonitrile (II) or acetonitrile (IV) to afford the substituted pyrimidines (III) or (V).
ChemInform Abstract: Preparation of Hydrogenated Azepino(3,2,1‐hi)indoles.
Authors: KATAYAMA H. , MAEDA K. , KANEKO K.
Published: May 2016

Starting with the tetrahydrobenzazepines (I), the hydrogenated azepino‐(3,2,1‐hi)indoles (VIII) and (IX) are prepared as outlined in the reaction scheme.
ChemInform Abstract: Noncataleptic Neuroleptic Agents: 2‐(4‐(2‐(2‐Chloro‐10,11‐dihydrodibenzo(b,f)thiepin‐10‐yloxy)ethyl)piperazine‐1‐yl)ethanol and Some Related Compounds.
Authors: JILEK J. , VALCHAR M. , HOLUBEK J. , DLOHOZKOVA N. , POMYKACEK J. , MATOUSOVA O. , METYSOVA J. , PROTIVA M.
Published: May 2016

The dibenzothiepin (I) is converted into various piperazinyl analogues such as (Va) and (Vb); esterification of the alcohol (Va) yields (Vc).
ChemInform Abstract: Silicon Compounds with Strong Intramolecular Sterical Interactions. Part 23. Cycloaddition of a Silylene and a Disilene to 2,2′‐Bipyridyl.
Authors: WEIDENBRUCH M. , SCHAEFER A. + , MARSMANN H.
Published: May 2016

Hexa(tert‐butyl)cyclotrisilane (I) is photolyzed in the presence of 2,2'‐bipyridyl (II) to give the cycloadduct (III), the structure of which is determined by NMR spectroscopy.
ChemInform Abstract: Lewis Base Properties of 1,3‐Diphosphadithiatetrazocines: Crystal and Molecular Structures of 1,3‐Ph4P2N4S2Me+CF3SO‐ 3.
Authors: CHIVERS T. , LIBLONG S. W. , RICHARDSON J. F. , ZIEGLER T.
Published: May 2016

The behavior of the diphosphadithiatetrazocine (I) toward Lewis and Bronsted acids is investigated.
ChemInform Abstract: 2‐Methylareno(d)‐3‐azatellurophenes.
Authors: JUNK T. , IRGOLIC K. J.
Published: May 2016

Starting with the arylamines (I), the benzotellurazoles (X) are synthesized in the multistep mode outlined in the reaction scheme.
ChemInform Abstract: Trimethylgermylation and Trimethylsilylation of N,N‐Dialkylacetamides and Application of Their Anions to the Peterson‐Type Reaction.
Authors: URAYAMA S. , INOUE S. , SATO Y.
Published: May 2016

Consecutive treatment of the acetamides (I) with lithium diisopropylamide and chlorotrimethylsilane (IIa) or the corresponding germane (IIb) gives the (trimethylsilyl)‐ or (trimethylgermyl)acetamides (III).
ChemInform Abstract: Polysulfonyl Amines. Part 9. Trimethyl(dimesylamino)stannane: Solid State Structure and Reactions with Covalent Chlorides.
Authors: BLASCHETTE A. , SCHOMBURG D. , WIELAND E.
Published: May 2016

The polymeric title compound (I) is prepared from Me3SnOH and HN(SO2Me)2 in aqueous solution or from Me3SnCl and AgN(SO2Me)2 in MeCN (78% yield).
ChemInform Abstract: Spectroscopic, Structural, Electrochemical, and Kinetic Studies of Ligand Substitution in the 33e Dinuclear Radical Fe2(CO)7(μ‐PPh2) and the 34e Analogues (Fe2(CO)7(μ‐PPh2))‐ and FeCo(CO)7(μ‐PPh2).
Authors: BAKER R. T. , CALABRESE J. C. , KRUSIC P. J. , THERIEN M. J. , TROGLER W. C.
Published: May 2016

The 33e dinuclear radical (I) undergoes rapid CO ligand substitution with a variety of tert. phosphorus ligands to give mono‐ and disubstituted products, which are characterized by elemental analysis and IR and ESR spectroscopy.
ChemInform Abstract: Structure Properties of Dicyanamide and Tricyanmethanide Complexes of Copper(II), Nickel(II), and Cobalt(II) with Ligands of Pyrazole Type Nucleophilic Addition Reactions in Some of the Studied Systems.
Authors: HVASTJOVA M. , KOHOUT J. , KOEHLER H. + , ONDREJOVIC G.
Published: May 2016

The reaction of the metal nitrates with KN(CN)2 or KC(CN)3 and pyrazole or its derivatives in water gives complexes (I) and (II).
ChemInform Abstract: Oxidation of Guaiazulene with Peracetic Acid in Acetic Acid.
Authors: MATSUBARA Y. , MATSUI S. , TAKEKUMA S. , YAMAMOTO H. , NOZOE T.
Published: May 2016

Mild oxidation of guaiazulene (I) with peracetic acid yields the dimeric azulenes (II) ‐ (IV) as the main products.
ChemInform Abstract: Carbon‐Transfer Reactions with Heterocycles. Part 3. Synthetic Equivalence of Oxazolidines with Carbonyl Compounds.
Authors: SINGH H. , SARIN R.
Published: May 2016

Oxazolidines such as (II) or (V) are found to transfer their C‐2 carbon units at carbonyl group oxidation level to appropriate binucleophiles such as (I) or (IV) to form heterocycles such as (III) or (VI), among them the alkaloids eleagnine (IIIa), norcryptosyline I (VIa) and norcryptosyline II (VIb).
ChemInform Abstract: Acyclic Nucleotide Analogues. Part 4. Phosphonylmethoxyalkyl and Phosphonylalkyl Derivatives of Adenine.
Authors: ROSENBERG I. , HOLY A. , MASOJIDKOVA M.
Published: May 2016

For structure‐activity studies of the antiviral effect in a series of acyclic nucleotides a series of ca. 50 novel members such as (IV), (VI), (VII) or (VIII) is synthesized with variations in the character of the heterocyclic base, the aliphatic side chain and the presence, character and bonding of the phosphonyl group.
ChemInform Abstract: Synthesis of O‐2′ Non‐Protected Pyrimidine Nucleosides from Cyclic C‐1‐C‐2 Sulfites.
Authors: GAGNIEU C. H. , GUILLER A. , ACHECO H.
Published: May 2016

Cyclic 1,2‐disulfites such as (I) are coupled with the bis(trimethylsilyl)uracil (II) to form the monosilylated nucleoside (III) which is hydrolyzed to give the nucleoside (IV).
ChemInform Abstract: Electrosynthesis of Porphyrins from a,c‐Biladienes.
Authors: JEYAKUMAR D. , SNOW K. M. , SMITH K. M.
Published: May 2016

For the first time it is shown that the Cu(II) oxidant commonly used to cyclize biladienes to porphyrins can be eliminated by use of electrochemical oxidation at 0.8 V. From (Ia) the porphyrin (IIIa) is obtained (yield 42%) and the Zn(II) complex of (Ia) yields the Zn(II) porphyrin of (IIIa) (40%).
ChemInform Abstract: Improved Preparation of Penicillin N and Isopenicillin N.
Authors: HUFFMAN G. W.
Published: May 2016

Coupling of the chiral α‐aminoadipic acids (I) with 4‐nitrobenzyl chloroformate (II) yields the N‐protected derivatives (III).
ChemInform Abstract: Initiation Electroless Copper Plating Using Pd2+/Poly(acrylic acid) Films.
Authors: JACKSON R. L.
Published: May 2016

A new process is described for initiating electroless deposition of Cu onto dielectric substrates.
ChemInform Abstract: Ion Beam Assisted Deposition of Thin Carbonaceous Films. Part 2. Adhesion Characteristics in Aqueous and Cathodically Delaminating Conditions.
Authors: TAYLOR S. R. , CAHEN G. L. JUN. , STONER G. E.
Published: May 2016

Adhesion tests under dry, wet, and cathodically delaminating conditions show that the adhesion of ion assisted coatings (prepared from a 1,3‐butadiene target gas using ion beams of various gases, e.g., H, He, C2H6) is many orders of magnitude greater than that of conventional coatings (epoxy‐polyamide, polyurethane, vinyl).
ChemInform Abstract: Properties of Barium Chlorophosphate (Apatite) Luminophors Activated by Divalent Europium.
Authors: YU X. E. , HARTL H. , SCHULZ H.‐J. , THIEDE M.
Published: May 2016

A series of luminophors having the experimental formula (I) are synthesized by dry‐blending analytical‐grade BaCO3, CaCO3, MgO, BaCl2·2 H2O, Eu2O3, (NH4)2HPO4, and H3BO3 followed by firing in a reducing atmosphere (1000 °C, 2 h, Al container).
ChemInform Abstract: Electrochemical Production and Corrosion Testing of Amorphous Ni‐P.
Authors: CARBAJAL J. L. , WHITE R. E.
Published: May 2016

The electrochemical conditions for the electrodeposition of amorphous Ni‐P alloys are investigated and a variety of alloys, ranging from Ni‐15 P to Ni‐25 P, are prepared from plating solutions containing NiSO4, NiCl2, and H3PO4.
ChemInform Abstract: Chemistry of Phosphorus. Part 190. Alkali Metal Tetraphosphinoborates, MIB(PH2)4 (MI: Li, Na).
Authors: BAUDLER M. , BLOCK C.
Published: May 2016

The title compounds (III) and (V), formed by the reactions outlined in the scheme, are the first phosphinoborates with unsubstituted PH2 groups.
ChemInform Abstract: Electronic and Steric Effects in Closely Related Heteronuclear Clusters. Selective Pathways in Synthetic and Catalytic Bimetallic Chemistry.
Authors: BENDER R. , BRAUNSTEIN P. , DE MERIC DE BELLEFON C.
Published: May 2016

The isolobal analogy concept is very powerful in helping to understand the structure of complex molecules and in predicting the possible existence of others.
ChemInform Abstract: Reactions of Heterocyclic Aromatic Acetals Over γ‐Alumina, Aluminum Phosphate and Aluminum Sulfate.
Authors: RAJA S. , XAVIER N. , ARULRAJ S. J.
Published: May 2016

The reaction of twelve heterocyclic aromatic acetals such as (I)‐(IV) over solid catalysts such as γ‐alumina, aluminum phosphate and aluminum sulfate is studied.
ChemInform Abstract: Cycloaddition of 4‐Phenyl‐4H‐1,2,4‐triazole‐3,5‐dione (PTAD) to 7‐Alkylidene‐2,3‐benzonorbornadienes.
Authors: ADAM W. , LUCCHINI V. , PETERS E.‐M. , PETERS K. , PASQUATO L. , VON SCHNERING H. G. , SEGUCHI K. , WALTER H. , WILL B.
Published: May 2016

A series of alkylidenebenzonorbornadienes such as (I) and (IV) ‐ prepared from benzyne and the corresponding fulvenes ‐ is subjected to cycloaddition with PTAD (II).
ChemInform Abstract: Ozonolyses of 1‐Methylcyclopentene, 1‐Methylcyclobutene, 5‐Hexen‐2‐one, and Natural Rubber in the Presence of Methanol.
Authors: GRIESBAUM K. , KIESEL G.
Published: May 2016

Ozonolysis of the cycloalkenes (I) in MeOH (II) proceeds in both possible directions to yield the methoxyperoxides (III) or (IV), which undergo intramolecular cyclization to give the peroxyhemiacetals (V) and (VI) as cis/trans mixtures (cis/trans ratio = 25:75 for (Va), 2:7 for (VIa), not determined for (Vb) and (VIb)).
ChemInform Abstract: Oxidation of Active Methylene Compounds by Pyridinium Chlorochromate.
Authors: BONADIES F. , BONINI C.
Published: May 2016

Arylmethyl ketones such as (I) are oxidized with pyridinium chlorochromate to yield the corresponding 1,2‐diones, e.g. (II).
ChemInform Abstract: Reduction of Organic and Organometallic Carbonyl Derivatives with Niobiocene Trihydride Cp2NbH3.
Authors: LEBOEUF J.‐F. , LEBLANC J.‐C. , MOISE C.
Published: May 2016

The title compound NIO is shown to be an excellent reducing agent for carbonyl compounds of very different structure.
ChemInform Abstract: Chemistry of Organic Halogenic Molecules. Part 94. The Effect of Fluorine on Photochemical Carbon‐Halogen Bond Cleavage in Z‐ and E‐1‐Fluoro‐2‐halo‐1,2‐diphenylethylenes.
Authors: GREGORCIC A. , ZUPAN M.
Published: May 2016

Photochemical reduction of the ethylenes (I) and (II) mentioned in the title gives rise to cis/trans isomerization and formation of the dehalogenated fluoroalkenes (III) and (IV) and diphenylacetylene (V).
ChemInform Abstract: Synthesis of Erbstatin.
Authors: DESHMUKH M. N. , JOSHI S. V.
Published: May 2016

The allyldimethoxybenzene (I), prepared from p‐methoxyphenol via rearrangement of its allyl ether, undergoes oxidation with osmium tetroxide to give the aldehyde (II).
ChemInform Abstract: Synthesis of New 3‐Substituted Pyrroles.
Authors: STEFAN K.‐P. , SCHUHMANN W. , PARLAR H. , KORTE F.
Published: May 2016

A procedure is given for the preparation of silylprotected 3‐substituted pyrroles such as (V).
ChemInform Abstract: The Synthesis and Characterization of Some New Thioether‐Imidazole Containing Ligands.
Authors: BOUWMAN E. , DRIESSEN W. L.
Published: May 2016

The hydroxymethylimidazole (I) is coupled with the thiols (II) or the dithiol (IV), producing the imidazolylmethyl thioethers (III) or (V).
ChemInform Abstract: Organic Syntheses via Transition Metal Complexes. Part 32. Ketenimine Manganese Complexes. ‐ 1,3‐Dipolaroid CCN Building Blocks for the Synthesis of Five‐Membered N‐Heterocycles C‐C‐N‐C‐X (X: O, S, NR).
Authors: AUMANN R. , HEINEN H.
Published: May 2016

The aminocarbene manganese complexes (IV) are obtained by three‐component reaction of the C1, C≡N and C=X building blocks (I), (II) and (III).
ChemInform Abstract: Thermal Dimerization of 2‐Hydroxychromanones to 1‐(2‐Hydroxybenzoyl)‐2‐(4‐oxo‐4H‐1‐benzopyran‐3‐yl)ethylene Derivatives. An Unusual Observation.
Authors: SONI R. R. , TRIVEDI K. N.
Published: May 2016

The hydroxychromanones (III), when heated above their melting points, undergo dimerization to give the products (IV).
ChemInform Abstract: Enolates of Diacetylresorcinols: Application to Synthesis of Benzodipyrans.
Authors: BANERJI A. , GOOMER N. C. , KALENA G. P.
Published: May 2016

Treatment of the enolate of the resorcinol (I) with acetone (II) and benzoyl chloride (VII), resp., and subsequent work‐up of the condensation products leads to the benzodipyrans (IV) and (VIII).
ChemInform Abstract: Claisen Rearrangement of Some 7‐Cinnamyloxychromones.
Authors: JAIN A. C. , GUPTA R. K. , CHAWLA C.
Published: May 2016

Under the relatively mild conditions A) the chromones (I) and (III) undergo Claisen rearrangement to give the desired normal products (II) and (IV).
ChemInform Abstract: An N → N′‐Benzyl Migration During the Formation of Some (Trifluoromethyl)imidazo(4,5‐h)quinolines.
Authors: MOORES I. G. , SCRIVEN E. F. V. , SMALLEY R. K.
Published: May 2016

The 7‐amino‐8‐alkylaminoquinolines (VI) are synthesized via a Skraup reaction or photolysis of the azide (VII).
ChemInform Abstract: Synthesis of Polycyclic Heterocycles.
Authors: PRADHAN P. C. , MISHRA B. K. , BEHERA G. B.
Published: May 2016

In connection with a study dealing with the synthesis of heterocycles from the thiobarbituric acids, the acid (I) is brominated to give the derivative (II).
ChemInform Abstract: Condensed Heterocycles Containing the Pyrimidine Nucleus.
Authors: SANTAGATI A. , SANTAGATI M. , RUSSO F. , RONSISVALLE G.
Published: May 2016

The 2‐aminothiadiazoles (I) react with ethyl cyanoacetate (II) to give the new thiadiazolopyrimidinones (III).
ChemInform Abstract: Boron Compounds. Part 84. Nitrogen Base Adducts of Tetraorganodiboroxanes.
Authors: YALPANI M. , SERWATOWSKI J. , KOESTER R. +
Published: May 2016

The tetraorganodiboroxanes (I) and (II) react with N‐bases (substituted pyridines) to form 1:1 adducts as demonstrated for (IV).
ChemInform Abstract: Alkylimido Complexes of Titanium(IV).
Authors: NIELSON A. J.
Published: May 2016

Alkylimido complexes of TiCl4 are obtained in simple reactions.
ChemInform Abstract: Organometalloidal Derivatives of the Transition Metals. Part 18. Transition‐Metal‐Substituted Silanes. Hydrosilylation of Phenylacetylene Using ((η5‐C5H5)Fe(CO)2SiPh2H) and ((η5‐C5H4SiPh2H)Fe(CO)2R) (R: Me, SiMe3).
Authors: PANNELL K. H. , ROZELL J. M. , LII J. , TIEN‐MAYR S.‐Y.
Published: May 2016

The first title complex (III) is prepared and converted into the second ones (V) according to the scheme.
ChemInform Abstract: Cobalt(III) Complexes with N‐Methylethane‐1,2‐diamine(meen). Synthesis and Characterization of the Isomers of (Co(meen)3)3+, (Co(meen)2(en))3+ and (Co(meen)(en)2)3+.
Authors: SEARLE G. H. , KEENE F. R.
Published: May 2016

There are twelve geometric isomer‐diastereoisomer possibilities for the tris‐ligand complex.
ChemInform Abstract: Copper(II) Complexes with 2,2′‐Biimidazole. Preparation and Crystal Structure Determination of a Complex of Stoichiometry Cu1.5Cl3(H2bim)2 (H2bim: 2,2′‐biimidazole).
Authors: BENCINI A. , MANI F.
Published: May 2016

The 1:2 molar reaction of hydrated CuCl2 and 2,2'‐biimidazole in aqueous HCl gives in addition to the polymeric main product (I) a crystalline by‐product of the stoichiometry Cu1.5Cl3(H2bim)2.
ChemInform Abstract: Heterocyclic Compounds Series. Part 132. Metallocyclic Complexes of Palladium(II) and Platinum(II) Containing Six‐ and Seven‐Membered Chelate Rings.
Authors: NEWKOME G. R. , EVANS D. W. , KIEFER G. E. , THERIOT K. J.
Published: May 2016

The syntheses of the new cyclometalated Pd(II) and Pt(II) complexes (III) and (X) with ligands containing either bipyridine or the corresponding one or two C‐bridged species are described.
ChemInform Abstract: Polynuclear Platinum Complexes Deriving from Squaric Acid.
Authors: SOULES R. , MOSSET A. , LAURENT J.‐P. , CASTAN P. , BERNARDINELLI G. , DELAMAR M.
Published: May 2016

The squaric acid H2L reacts with the cis‐dichlorodiammine‐Pt(II) hydrolysis products to give two isolable complexes.
ChemInform Abstract: Intramolecular Alkylations of Aromatic Compounds. Part 22. Synthesis of cis‐1,6,10‐Trimethyl‐1,2,3,4,5,6,7,8,9,10‐decahydroindolo(4,3‐fg)quinoline, a New Approach to the Ergoline Framework.
Authors: REIMANN E. , HARGASSER E.
Published: May 2016

The synthesis of the ergoline derivative (IX) is shown in the reaction scheme.
ChemInform Abstract: A New Regiospecific Synthesis of “Branched” Tetraribonucleotide and Its Three Analogues to Delineate the Chemospecific Role of the “Branch‐Point” Adenine Nucleotide in Splicing.
Authors: BALGOBIN N. , FOELDESI A. + , REMAUD G. , CHATTOPADHYAYA J.
Published: May 2016

The title nucleotide (Va) and its three derivatives (Vb)‐(Vd) are prepared by analogous routes as shown in the scheme.
ChemInform Abstract: A Facile Synthesis of α‐Methyldeoxybenzoins Including Racemates of Natural Angolensin, 2‐O‐Methylangolensin and 4‐O‐Methylangolensin.
Authors: JAIN A. C. , PALIWAL P.
Published: May 2016

Reaction of the compound (I) under conditions A), which are found to be the best method for the α‐C‐methylation of deoxybenzoins, gives racemic 4‐O‐methylangolensin (II).
ChemInform Abstract: Isolation and Structure Determination of New Active Neolignans and Norneolignans from Ratanhia.
Authors: ARNONE A. , DI MODUGNO V. , NASINI G. , VENTURINI I.
Published: May 2016

The structure of the title compounds (I)‐(VI) is confirmed by spectroscopic methods and chemical correlation.
ChemInform Abstract: Halide Promotion of the Formation and Carbonylation of μ3‐Imido Ligands. Relevance to the Halide Promotion of Nitroaromatic Carbonylation Catalysis
Authors: HAN S. H. , GEOFFROY G. L.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings in the Seminar in Koenigstein, Sept.
ChemInform Abstract: Novel Catalytic Applications of Anionic Ruthenium Clusters in Isocyanate Chemistry
Authors: SUESS‐FINK G. + , HERRMANN G. , SCHMIDT G. F.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings of the Seminar in Koenigstein, Sept.
ChemInform Abstract: Cooperative Effect Between Two Metal Centers in Hydroformylation: Routes Toward Heterobimetallic Catalysis
Authors: KALCK P.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings of the Seminar in Koenigstein, Sept.
ChemInform Abstract: Synthesis, Vibrational Spectroscopy, and Crystal and Molecular Structure of (H3NCH2CH2NH3) (PdBr6).
Authors: CLARK R. J. H. , CROUD V. B. , DAWES H. M. , HURSTHOUSE M. B.
Published: May 2016

The crystals of the title complex belong to the space group Pnnm with Z=2.
ChemInform Abstract: Crystal Structure of the BiZr3F15 Phase.
Authors: CAIGNOL E. , METIN J. , CHEVALIER R. , COUSSEINS J. C. , AVIGNANT D.
Published: May 2016

Single crystals of the title compound are obtained by heating a stoichiometric BiF3/ZrF4 mixture at 500 °C in a sealed Pt‐tube.
ChemInform Abstract: Electrochemical Properties of Polycrystalline TiO2 Electrodes Prepared by Anodic Oxidation
Authors: NOGAMI G. , OGAWA Y. , NISHIYAMA Y.
Published: May 2016

are studied by electroluminescence, I‐V and C‐V measurements.
ChemInform Abstract: Lithium Perchlorate Ammoniate Ionic Liquid, LiClO4·4 NH3. Densities, Viscosities, Electrical Conductivities, and Raman Spectra.
Authors: FAHYS B. , HERLEM M. , DAHER J. , ROBERT G.
Published: May 2016

Raman spectra and NH3 vapor pressure measurements indicate that LiClO4·4 NH3 is stable for use as electrolyte in Li batteries below 80 °C. Density, viscosity, and conductivity data are reported for the temp. range 10‐80 °C. In this temp. range, the activation energy of ion transport remains mainly constant at 0.26 eV.
ChemInform Abstract: Electrochemistry of Osmium(III) and ‐(IV) Chloride Complexes in the Basic Aluminum Chloride‐1‐methyl‐3‐ethylimidazolium Chloride Ionic Liquid
Authors: SUN I‐W. , WARD E. H. , HUSSEY C. L.
Published: May 2016

(AlCl3‐MeEtimCl).
ChemInform Abstract: Rechargeable Electrodes from Sodium Cobalt Bronzes.
Authors: SHACKLETTE L. W. , JOW T. R. , TOWNSEND L.
Published: May 2016

Four different phases of the NaxCoO2 bronze are prepared by annealing mixtures of Co3O4 and Na2O2: O3, O'3, P3 (0.5 < x < 1; 400‐600 °C), and P2 (0.5 < x ≤ 0.7; > 650 °C); in this nomenclature, O and P represent octahedral or trigonal prismatic coordination of Na+ and 3 or 2 represents the number of distinguishable sodium layers.
ChemInform Abstract: The Reduction of Silver Vanadium Oxide in Lithium/Silver Vanadium Oxide Cells
Authors: TAKEUCHI E. S. , THIEBOLT W. C. III
Published: May 2016

is studied by chemical and electrochemical methods.
ChemInform Abstract: Influence of the Mode of Preparation of LaCoO3 Doped with Altervalent Ions on Some of Its Physicochemical and Catalytic Properties.
Authors: WACHOWSKI L.
Published: May 2016

Samples of the perovskite‐type oxides La0.85M0.15CoO3 with M: Ca, Sr, Ba, or Ce are prepared by ceramic, coprecipitation, freeze‐drying, and explosion methods.
ChemInform Abstract: Solution Chemistry of the Cuboidal Mixed‐Valence (3.25) Molybdenum/Sulfido Cluster (Mo4S4(H2O)12)5+.
Authors: OOI B.‐L. , SHARP C. , SYKES A. G.
Published: May 2016

The green aqua ion (I) (Mo4S45+) is remarkably stable over a wide (H+) range, 0.01‐4.0 M, when stored O2‐free.
ChemInform Abstract: The System CsF/CuF2: On Cs7Cu6F19.
Authors: KISSEL D. , HOPPE R.
Published: May 2016

The new moisture sensitive fluorocuprate(II), prepared as pale blue single crystals from CsF and CuF2 by annealing in a Au tube under argon (720 °C, 4 weeks; 760 °C, 12 weeks), crystallizes in the monoclinic space group P21/c with Z=2.
ChemInform Abstract: Sulfonic Acid Induced Fragmentation of Dialkyl Acylphosphonates. Formation of Alkyl Carboxylates and Alkyl Sulfonates.
Authors: BREUER E. , KARAMAN R. , GOLDBLUM A. , LEADER H.
Published: May 2016

The reaction of acylphosphonates (I) (and dibutyl acetylphosphonate) with TosOH (II) and some related reactions are studied under various reaction conditions to elucidate the mechanism.
ChemInform Abstract: Preparative Visible‐Laser Photochemistry: Qinghaosu‐Type 1,2,4‐Trioxanes by Molecular Oxygen Trapping of Paterno‐Buechi Triplet 1,4‐Diradicals Derived from 3,4‐Dihydro‐4,4‐dimethyl‐2H‐pyran‐2‐one and Quinones.
Authors: ADAM W. , KLIEM U. , MOSANDL T. , PETERS E.‐M. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Laser irradiation of the dihydrodimethylpyranone (I) with p‐benzoquinone (II) gives the cycloadduct (III) as the main product.
ChemInform Abstract: Conversion of Methanol to Hydrocarbons. Part 3. Methylation, Ethylation, and Propylation of Benzene with Methanol.
Authors: KAEDING W. W.
Published: May 2016

The selectivity of the title reaction on HZSM‐5 (SiO2/Al2O3 = 70:1) is shown in the scheme for mild conditions.
ChemInform Abstract: Palladium(0)‐Catalyzed Carbonylation of Allyl Phosphates and Allyl Acetates. Selective Synthesis of β,γ‐Unsaturated Esters.
Authors: MURAHASHI S. , IMADA Y. , TANIGUCHI Y. , HIGASHIURA S.
Published: May 2016

The allylic phosphates (I), (V), (VII), and acetates (IX), (X), and (XII) are carbonylated in the presence of ethanol (III) and a Pd(0) catalyst, yielding the carboxylates (IV), (VI), (VIII), (XI), or (XIII).
ChemInform Abstract: Synthesis of Nitro Derivatives of (4)Peristylane Having High‐Density Characteristics.
Authors: WAYKOLE L. M. , SHEN C.‐C. , PAQUETTE L. A.
Published: May 2016

Treatment of the peristylanedione dioxime (I) with m‐chloroperbenzoic acid results in ring closure and oxidation, producing the dinitro compound (II).
ChemInform Abstract: A Facile One‐Pot Synthesis of Vicinal Di‐ and Triketones from α‐Methylene Ketones by N‐Bromosuccinimide‐Dimethyl Sulfoxide Oxidation.
Authors: TATSUGI J. , IZAWA Y.
Published: May 2016

The title vicinal diketones, e.g. (II), (VII) and (IX) are useful synthons in heterocyclic chemistry.
ChemInform Abstract: 1,2‐Bis(organylideniminoxy)ethanes from Ketoximes and 1,2‐Dichloroethane.
Authors: KOROSTOVA S. E. , SOBENINA L. N. , MIKHALEVA A. I. , NESTERENKO R. N. , SHEVCHENKO S. G. , MODONOV V. B. , POLOVNIKOVA R. I.
Published: May 2016

In the presence of KOH‐DMSO the reaction between the ketoximes (I) and 1,2‐dichloroethane (II) affords the title compounds (III) in 17‐78% yields (15 examples).
ChemInform Abstract: Synthesis and Isomerization of the N,N‐Dimethylamides of the 2′‐Chloromaleanilic Acids.
Authors: CANOIRA L. , RODRIGUEZ J. G.
Published: May 2016

The title amides (III) are prepared as starting materials for the synthesis of indole derivatives.
ChemInform Abstract: Fluorinated Chalcones. Part 1. Synthesis of α,β‐Difluorochalcones.
Authors: YARMOLENKO S. N. , FIALKOV YU. A. , KREMLEV M. M. , YAGUPOL'SKII L. M.
Published: May 2016

The α,β‐difluoro‐β‐chlorostyrenes (I) are converted to lithium derivatives which react in situ with the N,N‐dimethylbenzamides (II) to yield the trans‐configurated title compounds (III) (11 examples).
ChemInform Abstract: The Stereospecific Cyclization of a threo‐α‐Benzamide Alcohol to a cis‐N‐Acylaziridine.
Authors: BOSCHELLI D. H.
Published: May 2016

When the erythro‐α‐benzamido alcohol (IVa) is treated with triphenylphosphine and diethyl azodicarboxylate, a mixture of the oxazoline (V) and the aziridine (VI) is obtained.
ChemInform Abstract: Synthesis of Pyrrolo(1,2‐b)cinnolines.
Authors: HAMER R. R. L. , SEKERAK D. , EFFLAND R. C. , KLEIN J. T.
Published: May 2016

The N‐pyrrolyl carbamates (I) cyclize in an alkaline medium to give the pyrrolocinnolines (II).
ChemInform Abstract: Reaction of 5‐Allyl‐5‐isobutylbarbituric Acid with Electrophilic Reagents.
Authors: CURVELO A. A. S. , DE AMARAL L.
Published: May 2016

The barbituric acid (I) mentioned in the title is treated with the halogens (II) in aqueous sodium hydroxide solution or in chloroform, producing the halohydrins (III) and/or the dibromides (IV).
ChemInform Abstract: Silylations of Ketene Derivatives.
Authors: UHLIG W. , TZSCHACH A.
Published: May 2016

With trimethylsilyltriflate (II) as silylating agent both mono‐ (III) and disilylated ketene (IV) can be obtained.
ChemInform Abstract: New Synthetic Methodology for the Preparation of Substituted 1‐Aryl‐1‐pyridylaminomethanephosphonic Acid Esters.
Authors: BURKHOUSE D. W. , ZIMMER H.
Published: May 2016

The title compounds, e.g. (V), (VIII), and (X), are prepared from the aminopyridines (I) and benzaldehydes such as (II) or (VI) by three different methods: the imines (III) are treated with diphenyl phosphite (IV) to give (V).
ChemInform Abstract: The Case Favoring Direct C‐Alkylation of Heteroatom Substituted Enolates.
Authors: SOLOMON M. , HOEKSTRA W. , ZIMA G. , LIOTTA D.
Published: May 2016

Lithium dimethylcuprate (II) reacts with the benzylselenenylcyclopentenone (I) to give an enolate which undergoes direct C‐alkylation with the halides (III), producing a mixture of the isomeric cyclopentanones (IV) and (V).
ChemInform Abstract: Vanadium Complexes of the Tridentate Schiff Base Ligand N‐Salicylidene‐N′‐(2‐hydroxyethyl)ethylenediamine: Acid‐Base and Redox Conversion Between Vanadium(IV) and Vanadium(V) Imino Phenolates.
Authors: LI X. , LAH M. S. , PECORARO V. L.
Published: May 2016

The reaction of vanadyl sulfate or vanadyl acetylacetonate with the title ligand affords a variety of V(IV) and V(V) complexes depending on the reaction conditions.
ChemInform Abstract: Spectroscopic and Electrical Properties of VO(dmit)2 and V(dmit)3 Anion Complexes and X‐Ray Crystal Structure of (NMP)2(V(dmit)3) (dmit: 2‐Thioxo‐1,3‐dithiole‐4,5‐dithiolate, NMP: N‐Methylphenazinium).
Authors: MATSUBAYASHI G. , AKIBA K. , TANAKA T.
Published: May 2016

The V(IV) dithiolate anion complexes (III) and (VI) are prepared as shown in the scheme.
ChemInform Abstract: Synthetic and Structural Studies on Organomolybdenum and Organotungsten Complexes Containing Bismuth. X‐Ray Crystal Structures of (BiCl(Mo(CO)3(η‐C5H5))2) and (BiCl(Mo(CO)2(CNtBu)(η‐C5H5))2).
Authors: CLEGG W. , COMPTON N. A. , ERRINGTON R. J. , NORMAN N. C. , TUCKER A. J. , WINTER M. J.
Published: May 2016

The reaction between BiCl3 (I) and Na((η5‐C5H5)Mo(CO)3) (II) results in the formation of the tri‐ and dimolybdenum‐bismuth complexes (III) and (IV) depending on the stoichiometry.
ChemInform Abstract: Dinuclear Allyl and μ‐Vinyl Complexes from the Reactions of a μ‐Hydrido Dimanganese and a μ‐Hydrido Manganese‐Molybdenum Complex with Alkynes Containing α‐Methyl or α‐Methylene Substituents.
Authors: HORTON A. D. , KEMBALL A. C. , MAYS M. J.
Published: May 2016

The photolytic reaction of the Mn complex (I) with 1‐propyne (II) gives an inseparable isomeric mixture of (IIIa) and (IIIb) together with the allyl complex (IVa).
ChemInform Abstract: Synthesis and Coordination Chemistry of Two Pentaazamacrocycles Containing a 1,4‐Piperazine Backbone. Crystal Structure Determinations of 6,12‐Dioxo‐1,5,13,17,22‐pentaazatricyclo(15.2.2.17,11)docosa‐7(22),8,10‐triene and 1,5,13,17,22‐Pentaazatricyclo(15.2.2.17,11)docosa‐7(22),8,10‐trienenickel(II) Perchlorate.
Authors: ALCOCK N. W. , MOORE P. , READER C. J. , ROE S. M.
Published: May 2016

The macrocycle (Ia) is prepared by a modification of a published method under high dilution conditions and crystallizes in P21/n with Z=4.
ChemInform Abstract: Dicopper(II) Complexes of a Binucleating N4 Macrocycle Containing Mono‐ and Diatomic Bridges; Magnetic Interactions Mediated by Alkoxo‐ and Diaza‐Bridging Ligands. Crystal Structures of (Cu2(L1)(pz)2) (ClO4)2, (Cu2(L1)(OEt)2(NCS)2), and (Cu2(L1)(OMe)2(MeCN)2) (BPh4)2.
Authors: DREW M. G. B. , YATES P. C. , ESHO F. S. , TROCHA‐GRIMSHAW J. , LAVERY A. , MCKILLOP K. P. , NELSON S. M. , NELSON J.
Published: May 2016

(Ia), obtained by a known method via transmetalation of the Ba complex of the macrocyclic ligand, forms the pyrazolate‐bridged complex (III) (P21/c, Z=4) and reacts with 3,5‐dimethylpyrazole or 1,2,4‐triazole to give the same type of complexes (65‐70% yield).
ChemInform Abstract: Synthesis, Characterization, and Oxidation Catalysis by a Novel (μ3‐Oxo)triruthenium Carboxylate Complex.
Authors: DAVIS S. , DRAGO R. S.
Published: May 2016

The first (μ3‐oxo)triruthenium carboxylate complex (V) containing completely fluorinated carboxylate ligands is obtained according to the scheme and characterized spectroscopically (UV/VIS, FTIR, FAB‐MS, 19F NMR).
ChemInform Abstract: Organopalladium Approaches to Prostaglandins. Part 9. Synthesis of a Prostaglandin Endoperoxide Analogue by Allylpalladation‐Ozonolysis of Norbornene.
Authors: LAROCK R. C. , NARAYANAN K.
Published: May 2016

The title compound (VIII) with cis configuration of the 5,6‐double bond, characteristic of naturally occurring prostaglandins, is prepared.
ChemInform Abstract: X‐Ray Diffraction Study of Molten Eutectic LiF‐NaF‐KF Mixture.
Authors: IGARASHI K. , OKAMOTO Y. , MOCHINAGA J. , OHNO H.
Published: May 2016

The short‐range structures of molten eutectic LiF‐NaF‐KF (46.5, 11.5, and 42.0 mol%, resp.) at 520 °C are investigated using the radial‐distribution function based on X‐ray scattering data.
ChemInform Abstract: A New Form of the High‐Temperature Isopiestic Technique and Its Application to Mercury‐Bismuth, Mercury‐Cadmium, Mercury‐Gallium, Mercury‐Indium and Mercury‐Tin Binary Amalgams.
Authors: WANG Z.‐C. , ZHANG X.‐H. , HE Y.‐Z. , BAO Y.‐H.
Published: May 2016

It is demonstrated that the developed form of the high‐temp.
ChemInform Abstract: The Active Dissolution of Iron‐Metalloid Metallic Glasses.
Authors: MOFFAT T. P. , FLANAGAN W. F. , LICHTER B. D.
Published: May 2016

The corrosion rates of iron, rapidly quenched Fe80B20 (I), Fe80P20 (II), and Fe80P13C7 (III) are measured in HCl/NaCl and H2SO4/Na2SO4 solutions.
ChemInform Abstract: The Equilibrium of Strontium Ion Exchange on Sodium Titanate, Na4Ti9O20·xH2O.
Authors: LEHTO J. , HARJULA R. , GIRARD A.‐M.
Published: May 2016

The ion exchange isotherm and selectivity coefficient determined for the Sr2+ exchange on the title titanate show high selectivity for Sr.
ChemInform Abstract: Octabromocyclohexaarsenate, (As6Br8)2‐.
Authors: MUELLER U. + , SINNING H.
Published: May 2016

The new compound (II) containing the title anion crystallizes in space group P1 with Z=2.
ChemInform Abstract: Preparation and Crystallographic Study of a Cyclotriphosphate Series: LnNa3(P3O9)2·9 H2O with Ln: Sm, Eu, Gd, Dy, Ho, Er, and Y.
Authors: BAGIEU‐BEUCHER M.
Published: May 2016

The double cyclotriphosphates, mentioned in the title, are obtained by crystallization from aqueous solutions of LnCl3·6 H2O and Na3P3O9 at 20 °C. All of the seven compounds are isotypic with the corresponding Bi salt (R3c, Z=18 in the hexagonal and Z = 6 in the rhombohedral description).
ChemInform Abstract: An Investigation of Halide Abstraction by Arsenic(III): Reactions of AsCl3 with MCl2 (M: Mg or Zn) and TiCl4 in Donor Solvents (MeCN or POCl3). Formation and Crystal Structure of the Dimeric Titanium(IV) Compound (Ti2Cl6(POCl3)2(PO2Cl2)2).
Authors: CLAIRE P. P. K. , WILLEY G. R. , DREW M. G. B.
Published: May 2016

The reactions of TiCl4, MgCl2, and ZnCl2 with AsCl3 in MeCN do not result in the expected halide abstraction but yields the simple adducts TiCl4L2 and MCl2L2 (M: Mg, Zn; L: MeCN).
ChemInform Abstract: Lattice‐Engineered Micromodulation of Intramolecular Electron‐Transfer Rates in Trinuclear Mixed‐Valence Iron Acetate Complexes.
Authors: JANG H. G. , GEIB S. J. , KANEKO Y. , NAKANO M. , SORAI M. , RHEINGOLD A. L. , MONTEZ B. , HENDRICKSON D. N.
Published: May 2016

The mixed‐valence complexes (Ib) and (Ic) are prepared by substitution of H2O in (Ia) with other neutral ligands and isolated as monosolvates of CHCl3, MeCCl3, MeCHCl2 and C6H6 (69% yield) in the case of (Ib) and of CHCl3 and Py in the case of (Ic) via recrystallizations (only one yield given).
ChemInform Abstract: 1,3‐Bis(2,5,8,11‐tetraazaundecyl)benzene (MXTRIEN): Synthesis, Binucleating Chelating Tendencies, and Formation and Thermal Degradation of Its Cobalt Dioxygen Complex.
Authors: MENIF R. , MARTELL A. E.
Published: May 2016

The title ligand (III) is prepared as shown in the scheme.
ChemInform Abstract: Ferric Ion Sequestering Agents. Part 20. 2,3‐Dihydroxyterephthalamides: Highly Efficient Iron(III)‐Chelating Agents.
Authors: GARRETT T. M. , MILLER P. W. , RAYMOND K. N.
Published: May 2016

The preparation of the new ligands (IV) and (VII) by two different routes is shown in the scheme.
ChemInform Abstract: General‐Base Catalysis of Nucleophilic Substitution at Carbon.
Authors: DIETZE P. E. , JENCKS W. P.
Published: May 2016

The solvolysis of (I) to give the product (III) is catalyzed by substituted acetate ions (H, OMe, CN, F2 as substituents).
ChemInform Abstract: Influence of Crown Ethers and Cryptands on the Kinetic Isotope Effects of Elimination Reactions of Some 1,1,1‐Trichloro‐2,2‐diarylethanes with Alkoxide Bases.
Authors: SCHROEDER G.
Published: May 2016

The addition of crown ethers and cryptands such as 18‐crown‐6 and (2.2.2)‐cryptand in equimolar amounts increases the rate of dehydrochlorination of (I) more than 2000 times due to the transformation of the base from the ion pair (tBuO‐, K+) into free tBuO‐ ions.
ChemInform Abstract: Amides: Synthons for N‐Acyliminothiazolidines and Novel Methylene‐bis(N‐acyl‐isothioureas).
Authors: RICHTER M. , RICHTER W.
Published: May 2016

Starting from the amides (I) the title compounds (IV) and (VI) are prepared.
ChemInform Abstract: Dynamic Behavior of Photoexcited Solutions of 4‐Nitroveratrole Containing OH‐ or Amines.
Authors: VAN EIJK A. M. J. , HUIZER A. H. , VARMA C. A. G. O. , MARQUET J.
Published: May 2016

The nitroveratrole (II) is shown to react in its lowest triplet state with OH‐ ions to give exclusively the substitution product (I).
ChemInform Abstract: Regioselective Ring Opening Reactions of 1‐Aminocyclopropenes via Carbenium Ion and Carbene Intermediates.
Authors: YOSHIDA H. , SANO H. , OGATA T. , MATSUMOTO K.
Published: May 2016

The reaction of cyclopropenium salt (I) with PhMgBr (II) affords regioselectively the aminocyclopropane (IIIa).
ChemInform Abstract: Synthesis of (Z)‐Predominant α,β‐Unsaturated Nitriles from Enone Cyanohydrin Diethyl Phosphates: Application to the Synthesis of (.+‐.)‐Nuciferal, (.+‐.)‐(E)‐ and ‐(Z)‐Nuciferol, and (.+‐.)‐Manicone.
Authors: YONEDA R. , HARUSAWA S. , KURIHARA T.
Published: May 2016

The reaction of enone cyano phosphates, e.g. (I) and (IV), with a variety of organocopper reagents, e.g. (II) and (V), gives regio‐ and stereoselectively E/Z mixtures of the corresponding γ‐alkylation products, i.e. alk‐2‐enenitriles, with the Z isomer predominating in all cases.
ChemInform Abstract: Synthesis of Homoallylic Alcohols via Palladium‐Catalyzed Coupling of Organomercurials and Vinylic Oxetanes.
Authors: LAROCK R. C. , STOLZ‐DUNN S. K.
Published: May 2016

The arylmercuric chlorides (I) react with the 2‐vinyloxetanes (II) in the presence of a Pd(II) catalyst under cleavage, yielding the homoallylic alcohols (III).
ChemInform Abstract: Intramolecular Free Radical Cyclization of α‐Anilinoalkenenitriles.
Authors: FANG J.‐M. , CHANG H.‐T. , LIN C.‐C.
Published: May 2016

Croton‐ and cinnamaldehyde (I) react with N‐methylaniline hydrochloride (II) and potassium cyanide (III) to give the α‐aminoalkenenitriles (IV) which are alkylated with the dihalides (V), producing the haloalkylalkenes (VI).
ChemInform Abstract: Convenient Synthesis of Chiral Pyranones from Carbohydrates.
Authors: DE FINA G. M. , VARELA O. , DE LEDERKREMER R. M.
Published: May 2016

The stereoisomeric acyloxyglycals (I) and (V) react with alcohols, e.g. isopropanol (II), in the presence of tin(IV) chloride to give the chiral pyranones (III), together with the furan derivatives (IV).
ChemInform Abstract: Synthesis and Antitubercular Activity of 4‐Pyridylglyoxylic Acid Derivatives.
Authors: NURULLAEVA M. K. , AZIZOV U. M. , AZIMOV V. A. , MIKHLINA E. E. , DUBINSKII R. A. , FILIPENKO T. YA. , FILITIS L. N. , AMEL'KIN O. YU. , YAKHONTOV L. N.
Published: May 2016

Oxidation of the ethylpyridines (I) with potassium permanganate yields predominantly the pyridine carboxylic acids (III), together with minor amounts of the pyridylglyoxylic acids (II).
ChemInform Abstract: Ring Expansions in Carbohydrate Chemistry: gem‐Azoacetates.
Authors: TRONCHET J. M. J. , TRONCHET J. F. , RACHIDZADEH F. , BARLALAT‐REY F. , BERNADINELLI G.
Published: May 2016

Starting with the protected 3‐furanosiduloses (I), the p‐nitrophenylhydrazones (III) are prepared.
ChemInform Abstract: Synthesis of Chiral Liposome Building Blocks with s‐Triazine as Linking Unit.
Authors: STAATZ I. , GRANZER U. H. , ROTH H. J.
Published: May 2016

A number of s‐triazine derivatives are prepared with a view to developing a variable system of chiral amphiphiles for the study of the effect of chirality on the formation and properties of liposomes.
ChemInform Abstract: Fluoro Substituted and Other New Carbodiphosphoranes.
Authors: FLUCK E. , NEUMUELLER B. + , BRAUN R. , HECKMANN G. , SIMON A. , BORRMANN H.
Published: May 2016

The carbodiphosphoranes (II) and (IV) are obtained according to the scheme and characterized spectroscopically (1H, 13C, 19F, 31P NMR, and MS).
ChemInform Abstract: Prototropic Phosphoryl ‐ Hydroxy Ylide Tautomerism. Part 4. Synthesis and Structure of Phosphoryl‐Substituted (Ethoxycarbonylmethyl)triphenylphosphonium Salts.
Authors: LEONT'EVA I. V. , ALADZHEVA I. M. , MASTRYUKOVA T. A. , PETROVSKII P. V. , NEGREBETSKII V. V. , ANTIPIN M. YU. , STRUCHKOV YU. T. , KABACHNIK M. I.
Published: May 2016

Reaction of the phosphinous chlorides (Ia) and (Ib) or the phosphorochloridite (Ic) with the phosphorane (II) and subsequent oxidation give the phosphorylated phosphoranes (III).
ChemInform Abstract: Prototropic Phosphoryl ‐ Hydroxy Ylide Tautomerism. Part 3. Influence of the Substituents at the Phosphorus Atom on the Tautomeric Equilibrium of Tosyl‐Substituted (Phosphorylmethyl)triphenylphosphonium Salts.
Authors: BYKHOVSKAYA O. V. , ALADZHEVA I. M. , PETROVSKII P. V. , MASTRYUKOVA T. A. , KABACHNIK M. I.
Published: May 2016

Reaction of the phosphorus(III) chlorides (I) with the tosylmethylphosphonium salts (II) and subsequent oxidation give the phosphoranes (III) which are converted to the phosphonium salts (IV).
ChemInform Abstract: 2H‐Benzimidazoles (Isobenzimidazoles). Part 4. Nucleophilic Substitution of 5,6‐Dichloro‐2H‐benzimidazole‐2‐spirocyclohexane.
Authors: IDDON B. , ROBINSON A. G. , SUSCHITZKY H.
Published: May 2016

Mono‐ and disubstitution reactions of the title compound (II) with various nucleophiles such as amines, alkoxides, and thiolates are described.
ChemInform Abstract: “Photochemical” Azo Metathesis by (CO)5W=C(OCH3)CH3. Isolation of a Zwitterionic Intermediate.
Authors: SLEIMAN H. F. , MCELWEE‐WHITE L.
Published: May 2016

The cis‐azobenzene (I), an intermediate in the photolysis of the trans isomer, undergoes thermal reaction with (II) to give (IV) via the zwitterion (III) which can be isolated as a red oil.
ChemInform Abstract: Chromium and Tungsten Pentacarbonyl Groups as Reactivity Auxiliaries in (2 + 2) Cycloadditions.
Authors: FARON K. L. , WULFF W. D.
Published: May 2016

Alkynyl carbene complexes of Cr and W e.g. (I) give moderate to high yields of (2 + 2) cycloaddition products with a range of enol ethers under very mild conditions as shown for the example dihydropyran (II) producing (III).
ChemInform Abstract: (Pentacarbonyl)tungsten Complexes of Diphosphanyl Acetylenes.
Authors: FLUCK E. , KUHM P. , MUELLER A. + , BOEGGE H. +
Published: May 2016

The diaminophosphanylacetylene‐W complexes (II) and (IV) and the halogenated diphosphanylacetylene‐W2 complexes (VI) and (IX) are prepared according to the scheme.
ChemInform Abstract: New Types of Metallacycles Formed by Cycloaddition of Imines and tBuN=O with Mn and Re Carbyne Complexes.
Authors: HANDWERKER B. M. , GARRETT K. E. , GEOFFROY G. L. , RHEINGOLD A. L.
Published: May 2016

The Re carbyne complex (I) rapidly undergoes a net (2 + 2) cycloaddition of the imine (II) to form the complex (III), the first example of a metallaazetine which exists as a hybrid of two resonance forms.
ChemInform Abstract: Coordination Chemistry of 1,3‐Dithiol‐2‐one‐4,5‐dithiolate (dmid) ‐ Comparison with 1,3‐Dithiole‐2‐thione‐4,5‐dithiolate (dmit). Crystal and Molecular Structure of Tetrabutylammonium Bis(1,3‐dithiol‐2‐one‐4,5‐dithiolato)nickelate(III), (n‐C4H9)4N(Ni(dmid)2).
Authors: OLK R.‐M. , DIETZSCH W. , KOEHLER K. + , KIRMSE R. , REINHOLD J. , HOYER E. , GOLIC L. , OLK B.
Published: May 2016

The preparation of metal(II) and/or metal(III) chelate complexes such as (III) is described.
ChemInform Abstract: Coordination Behavior of Acetazolamide (5‐Acetamido‐1,3,4‐thiadiazole‐2‐sulfonamide): Synthesis, Crystal Structure, and Properties of Bis(acetazolamidato)tetraamminenickel(II).
Authors: FERRER S. , BORRAS J. , MIRATVILLES C. , FUERTES A.
Published: May 2016

The distorted octahedral title complex (I) is obtained by reaction of Ni(II) perchlorate with acetazolamide in refluxing ethanol and subsequently with conc.
ChemInform Abstract: The Pentacoordinate (CuI((imidH)2DAP))+ Cation: Its Structural Verification, Ligand Rearrangement, and Deceptive Reaction with Dioxygen.
Authors: GOODWIN J. A. , BODAGER G. A. , WILSON L. J. , STANBURY D. M. , SCHEIDT W. R.
Published: May 2016

The structures of the two cationic Cu(I) complexes (I) and (II) are determined by X‐ray analysis ((I): space group P21/c, Z=4; (II): P1, Z=2).
ChemInform Abstract: Syntheses of Chlorins from Unsymmetrically Substituted Iron Porphyrins.
Authors: BURNS D. H. , LAI J.‐J. , SMITH K. M.
Published: May 2016

A variety of hemins such as mesohemin, deuterohemin, protohemin, coprohemin‐II and phyllohemin are reduced to chlorins using sodium in isopentyl alcohol.
ChemInform Abstract: Steroidal N‐Nitroamines. Part 4. Intramolecular Functionalization of N‐Nitroamine Radicals: Synthesis of 1,4‐Nitroimine Compounds.
Authors: DE ARMAS P. , FRANCISCO C. G. , HERNANDEZ R. , SALAZAR J. A. , SUAREZ E.
Published: May 2016

Photolysis of steroidal N‐nitroamines such as (I) or (III) in the presence of iodine and various oxidative reagents leads to neutral nitroaminyl radicals, which undergo intramolecular hydrogen abstraction to produce, in most cases, N‐nitroimine compounds such as (II) or (V).
ChemInform Abstract: The Use of Alkoxy‐Substituted Anomeric Radicals for the Construction of β‐Glycosides.
Authors: KAHNE D. , YANG D. , LIM J. J. , MILLER R. , PAGUAGA E.
Published: May 2016

β‐Glycosides that are sometimes extremely difficult to obtain are readily available by a new method A) which makes use of the fact that hydrogen atoms delivered to anomeric sugar radicals end up axial in the products.
ChemInform Abstract: An Enantioconvergent Route to Carbocyclic Nucleosides (‐)‐Aristeromycin and (‐)‐Neplanocin A via the Asymmetric Diels‐Alder Reaction.
Authors: ARAI Y. , HAYASHI Y. , YAMAMOTO M. , TAKAYEMA H. , KOIZUMI T.
Published: May 2016

Two approaches, which start from the acrylate (I) or its diastereomer (VII), are chosen for the preparation of the chiral lactone (VI).
ChemInform Abstract: Autocatalytic Deposition of Gold and Palladium onto n‐GaAs in Acidic Media
Authors: STREMSDOERFER G. , PERROT H. , MARTIN J. R. , CLECHET P.
Published: May 2016

is achieved by an electroless plating process using acidic baths of low metal content.
ChemInform Abstract: Distonic Radical Cations in Gaseous and Condensed Phase
Authors: HAMMERUM S.
Published: May 2016

Review: (418 refs.