bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Magnetic Properties of the Ternary Carbides of the Rare Earth and Nickel Group Metals.
Authors: KOTSANIDIS P. , YAKINTHOS J. K. , GAMARI‐SEALE E.
Published: May 2016

The carbides LnNiC2 with Ln: Nd, Gd, Tb, Dy, Er, and Tm, all crystallizing in the orthorhombic CeNiC2‐type structure (space group Amm2), show magnetic ordering with ordering temp. between 7 K (Nd) and 25 K (Tb), whereas PrNiC2 and HoNiC2 show no ordering down to 4.2 K. The magnetic susceptibility of YNiC2 is temp.‐independent.
ChemInform Abstract: Preparation and Superconductive Films by Fume Pyrolysis.
Authors: OGAWA T. , YAMADA S. , MIKI T. , TSUIKI H. , KAKUTA N. , UENO A. , SUZUKI Y. , KOYAMA K. , NOGUCHI S. , YAMADA M.
Published: May 2016

Films composed of Ba2YCu3O7‐δ are prepared by fume pyrolysis of aqueous 0.02 M solutions of Y, Ba, and Cu nitrates (1:2:3, generation of fumes by a supersonicant) on the surface of a ceramic yttrium stabilized zirconia substrate.
ChemInform Abstract: Structures of Two Organosilyl Azides.
Authors: ZIGLER S. S. , HALLER K. J. , WEST R. , GORDON M. S.
Published: May 2016

X‐Ray crystal structures for the compounds (I) (space group P21/n, Z=4) and (II) (P21/c, Z=4) are determined.
ChemInform Abstract: Metal Ion Binding by Amino Acids. ‐ Preparation and Crystal Structures of Two Calcium L‐Aspartate Hydrates.
Authors: SCHMIDBAUR H. , BACH I. , WILKINSON D. L. , MUELLER G. +
Published: May 2016

(I) (C2, Z=2) is prepared from L‐aspartic acid and Ca(OH)2 in water, the monomeric units are linked by interactions of one oxygen atom of the β‐carboxylate group between adjacent molecules to form a one‐dimensional polymeric chain.
ChemInform Abstract: Regiochemistry of the Intramolecular (2 + 2)‐Photocycloaddition of Cyclohexenone to Vinyl Ethers.
Authors: FISCHER E. , GLEITER R.
Published: May 2016

The influence of the polarization of the vinyl ether double bond and of n (i.e.
ChemInform Abstract: Cycloaddition of Benzothiete to 4‐Substituted Styrenes.
Authors: MEIER H. , SCHMIDT M. , ECKES H.‐L.
Published: May 2016

The reaction of benzothiete (I) with styrenes such as (II) (10 examples) in toluene under reflux gives a mixture of the regioisomers (III) and (IV).
ChemInform Abstract: Transition‐Metal Complexes of Diazenes. Part 25. Photochemical Substitution Reactions of Group VIb Dimetallaheterocycles.
Authors: HOLZMEIER P. , GOERNER H. + , KNOCH F. , KISCH H.
Published: May 2016

The irradiation of the complexes (I) in the presence of bidentate N ligands such as (II) yields the complexes (III) by cleavage of the metal‐diazirine bonds, whereas (Ia) on irradiation in the presence of the bidentate P ligand (IV) leads to the product (V).
ChemInform Abstract: Potassium Bromide/m‐Chloroperbenzoic Acid/18‐Crown‐6. A Convenient Reagent for the Preparation of trans‐1,2‐Bromocarboxylates.
Authors: SREBNIK M.
Published: May 2016

The cyclic olefins (I) are treated with meta‐chloroperbenzoic acid (II) and potassium bromide in the presence of a crown ether to form the trans‐1,2‐acyloxy bromides (III).
ChemInform Abstract: 1,2,4‐Trioxanes as Masked, Dual Purpose, Functional Groups.
Authors: JEFFORD C. W. , ROSSIER J.‐C. , BOUKOUVALAS J.
Published: May 2016

Reduction of the fused 1,2,4‐trioxanes (I), (IV), and (IX) with zinc and acetic acid yields the cis‐diols (II) and (V), together with the carbonyl compounds (III), (VI), and (VIII).
ChemInform Abstract: 2‐Arylindenes and 2‐Arylindenones: Synthesis of Probes to Study the Binding Orientation of Unsymmetrical Nonsteroidal Ligands to the Estrogen Receptor.
Authors: ANSTEAD G. M. , ENSIGN J. L. , PETERSON C. S. , KATZENELLENBOGEN J. A.
Published: May 2016

Ethyl benzyl ketone (I) is alkylated with the benzyl chloride (II) to give the substituted pentanone (III).
ChemInform Abstract: The Chemistry of Indoles. Part 48. New Reactions of Thallium Compounds: A Simple Synthesis of 4‐ and 7‐Substituted Indoles Bearing a Nitro or an Azido Group.
Authors: SOMEI M. , YAMADA F. , HAMADA H. , KAWASAKI T.
Published: May 2016

Nitration of the organo‐thallium compounds (I) and (VI) with sodium nitrite (II) produces the nitro derivatives (III) and (IV) or (VII).
ChemInform Abstract: Generation and Michael Reaction of 1,3‐Bis(trimethylsiloxy)isoindoles by Reduction of N‐Alkylphthalimides with a Zn‐Me3SiCl‐Lutidine System.
Authors: INOKUCHI T. , YAMASHITA H. , DATE T. , TORII S.
Published: May 2016

Sonication of a mixture consisting of the N‐substituted phthalimides (I), chlorotrimethylsilane (II), zinc, and 2,6‐lutidine generates the disiloxyisoindoles (III) which are trapped by addition of the α,β‐unsaturated carbonyl compounds (IV) or the acetylenedicarboxylate (IX), producing the isoindolinones (V) or (X).
ChemInform Abstract: 3,4‐Bismethylenecyclopentanone Ethylene Ketal, a Useful Diene for (6.5) Ring Systems: Application to a Formal Synthesis of Gibberellic Acid.
Authors: BARCO A. , BENETTI S. , CASOLARI A. , MANFREDINI S. , POLLINI G. P. , POLO E. , ZANIRATO V.
Published: May 2016

Diene (III) reacts with a broad range of dienophiles such as (IV) to provide entries to a variety of (6.5) ring systems such as (V).
ChemInform Abstract: Heterocycles from Diacetylphenols: Synthesis of Benzodipyrans, Acetylchromenes, and Pyrano(1,2)benzisoxazoles.
Authors: BANERJI A. , KALENA G. P.
Published: May 2016

The coupling reaction of the diacetylresorcinols (I) with acetone (II) yields the hydroxy ketones (III) or (X) which are converted to the chromenes (V) and (XII).
ChemInform Abstract: Synthesis and Reactivity of 2‐(1,3‐Dithian‐2‐yl)indoles. Part 2. Synthesis of 2‐Acylindole Derivatives.
Authors: BENNASAR M.‐L. , TORRENS A. , RUBIRALTA M. , BOSCH J. , RIERSON D. S. , HUSSON H.‐P.
Published: May 2016

The anions of the dithianes (II) are coupled with the epoxide (I) to produce the heterocyclic alcohols (III).
ChemInform Abstract: Stereoselective Synthesis of 3‐Hydroxy‐2,6‐dialkylpiperidines.
Authors: HARDING K. E. , JONES M. W.
Published: May 2016

Cyclization of the allylic compound (VI), prepared from 1,4‐butandiol (I), yields the oxazolidine (VII) which is deprotected and oxidized to give the aldehyde (VIII).
ChemInform Abstract: Synthesis and Reactions of Isoquinolines. Part 4. Reactions of 3‐Chloroisoquinoline‐4‐carbaldehydes.
Authors: KONZ E. , RUEGER W. +
Published: May 2016

Reduction of the chlorophenylisoquinolinecarbaldehyde (I) with sodium borohydride yields the alcohol (II) which is dehalogenated to produce the hydroxymethylphenylisoquinoline (III).
ChemInform Abstract: Reaction of 3‐(N‐(2‐Naphthyl)formimidoyl)pyridine with Substituted Acetophenones.
Authors: KOZLOV N. S. , MIKHALEVSKAYA S. V. , SERZHANINA V. A.
Published: May 2016

The nicotinaldimine (I) is coupled with the acetophenones (II) to give the adducts (III) which are cyclized upon heating to produce the corresponding benzoquinolines (IV) as shown for (IIIb).
ChemInform Abstract: Synthesis of (Imidazo(1,2‐c)pyrimidin‐2‐yl)phenylmethanones and 6‐Benzoylpyrrolo(2,3‐d)pyrimidinones.
Authors: DANSWAN G. , KENNEWELL P. D. , TULLY W. R.
Published: May 2016

Pyrimidinamines such as (I) react with the dione (II) to give a series of imidazopyrimidines such as (III).
ChemInform Abstract: Syntheses of 1,5‐Benzothiazepines. Part 6. Synthesis of 4‐(p‐Anisyl)‐2‐carboxy‐2,3‐dihydro‐8‐substituted‐1,5‐benzothiazepines.
Authors: PANT U. C. , CHUGH M.
Published: May 2016

The title compounds (III) are synthesized with a view to their possible biological activities (cf.
ChemInform Abstract: Synthesis and Coordination Properties of (Sulfinylmethyl)phosphonates and (Sulfonylmethyl)phosphonates. Crystal and Molecular Structure Determinations for UO2(NO3)2((i‐C3H7O)2P(O)CH2S(O)2C6H11)2 and Gd(NO3)3((i‐C3H7O)2P(O)CH2S(O)(p‐CH3C6H4))·H2O.
Authors: KARTHIKEYAN S. , RYAN R. R. , PAINE R. T.
Published: May 2016

The bifunctional (sulfonylmethyl)phosphonates (IV) and (VIII), and the (sulfinylmethyl)phosphonate (V) are synthesized according to the scheme and characterized spectroscopically (IR, 1H, 13C, 31P NMR).
ChemInform Abstract: Synthesis of Heterocycles with Phosphorus‐Arsenic and Arsenic‐Arsenic Bonds: Reactions of Arsano‐Substituted Cyano(triphenylphosphoranylidene)methanes with Dichloroaminophosphanes and ‐arsanes.
Authors: GRUETZMACHER H. + , PRITZKOW H.
Published: May 2016

The five‐membered heterocycle (III) containing a P‐As bond is obtained as shown.
ChemInform Abstract: Synthesis and Reactions of Diphosphorinanes and Diphospholanes.
Authors: FILD M. , OEHMIGEN T.
Published: May 2016

The bisphosphonous acid esters (I) react with the α,ω‐dibromides (II) to give the diphosphorinanes (III).
ChemInform Abstract: 5,10‐Dihydro‐10‐tellura‐5‐azaanthracenes (Phenotellurazines).
Authors: JUNK T. , IRGOLIC K. J.
Published: May 2016

Metalation of diphenylamine (I) and substitution with lithium chloride yield the phenylaminophenylmercury chloride (IV).
ChemInform Abstract: Synthesis and Structure of Lithium Complexes with Pentahapto‐Bonded, Substituted Cyclopentadienyl Ligands.
Authors: JUTZI P. , LEFFERS W. , POHL S. , SAAK W.
Published: May 2016

The reaction of the lithium compounds of (I) and (VI) with Lewis bases leads to crystalline, air‐ and moisture‐sensitive adducts such as (IV), (V) and (VIII) (17 examples), which are monomeric in the solid state, in solution, and in the gas phase.
ChemInform Abstract: Synthesis of (Alkoxymethyl)zirconocene Chlorides: Stereochemistry of Carbon‐Carbon Bond Formation in a Zirconocene‐Wittig Rearrangement.
Authors: BUCHWALD S. L. , NIELSEN R. B. , DEWAN J. C.
Published: May 2016

The air‐ and moisture‐sensitive compounds (IV) with an η2‐bounded alkoxymethyl ligand are prepared according to the scheme.
ChemInform Abstract: Bimetallic Complexes Containing the Bis(tetramethylcyclopentadienyl)ethane Ligand.
Authors: BUZINKAI J. F. , SCHROCK R. R.
Published: May 2016

Heterobimetallic title complexes can be prepared in which one ring is bound to tungsten and the other to rhodium, as shown here, or to cobalt.
ChemInform Abstract: Coordination Chemistry of tert.‐Butyldifluorophosphine. Part 1. Hexakis(tert.‐butyldifluorophosphine)tungsten(0). ‐ Synthesis, Chemical Properties, Spectra, and Crystal Structure.
Authors: KRAMPE W. , KRUCK T. , TEBBE K.‐F.
Published: May 2016

The title compound (III), the first coordination compound with more than four bulky tBuPF2 ligands, is obtained by ligand exchange reaction under photochemical conditions.
ChemInform Abstract: Pentabenzylcyclopentadienyl(triphenylphosphine)gold(I).
Authors: SCHUMANN H. , GOERLITZ F. H. + , DIETRICH A.
Published: May 2016

The title compound (III) is characterized by NMR spectroscopy and X‐ray structural analysis (space group P21/c, Z=4).
ChemInform Abstract: The Synthesis of New Binuclear Paracyclophane Complexes of Ruthenium(II): Crystal Structure of (Ru2(η6‐C16H16)2(OEt)3) (PF6).
Authors: ELSEGOOD M. R. J. , TOCHER D. A.
Published: May 2016

By treatment of the dimer (I) with solutions of alkoxides in alcohol the alkoxy‐bridged compounds (III) are obtained.
ChemInform Abstract: Metal‐Containing Heterocycles: Preparation, Properties, Reactions. Part 64. ‐ Preparation and Investigations on the Reactivity of η2‐Olefin Complexes and Four‐ to Six‐Membered Metallacycloalkanes of Ruthenium and Osmium.
Authors: LINDNER E. , JANSEN R.‐M. , HILLER W. , FAWZI R.
Published: May 2016

The reaction of (I) with alkane triflates is an easy new way to prepare olefin complexes such as (III).
ChemInform Abstract: Mesoionic Compounds with a Bridgehead Nitrogen Atom. Part 16. Thiazolothiazolopyrimidines.
Authors: MIKITENKO E. K. , ROMANOV N. N.
Published: May 2016

The thiazolinethione (I) reacts with the nitrils (II) to give the thiazolothiazolopyrimidinium salts (III).
ChemInform Abstract: 5β,6β‐Epoxidation of 3β‐Cholesteryl Acetate and Its Analogues.
Authors: GALAGOVSKY L. R. , BURTON G. , GROS E. G.
Published: May 2016

Chromyl diacetate, prepared from CrO3/Ac2O (1:1) at 0 °C, is readily soluble in CH2Cl2 and oxidizes at ‐78 °C Δ5‐steroids such as (II) with stereoselectivity greater than 90% to mostly the epoxides (I).
ChemInform Abstract: Germanium Atomic Layer Epitaxy Controlled by Surface Chemical Reactions.
Authors: TAKAHASHI Y. , ISHII H. , FUJINAGA K.
Published: May 2016

A novel layer‐by‐layer Ge epitaxial growth technique based on a GeEt2H2 gas phase surface reaction in a high vacuum CVD reactor is developed.
ChemInform Abstract: A New Structure on Barium Lanthanoid Aluminates: Ba6Dy2Al4O15.
Authors: RUETER I. + , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the title compound, prepared by heating BaCO3 and Dy2O3 together with the mineralizers NiO and BaCl2 in corundum container up to 1030 °C, show a novel structure type (Cmcm, Z=2).
ChemInform Abstract: The Oxoindate Ba4In2O7
Authors: LALLA A. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

is prepared for the first time by heating intimate mixtures of BaCO3 and In2O3 (Ba:In = 5:1, 1. 900 °C, 24 h; 2. 1350 °C, 1 h) and subsequent slow cooling.
ChemInform Abstract: Chemical Vapor Transport of Chromium and Manganese Monophosphide. Experimental Results and Thermochemical Calculations.
Authors: GLAUM R. , GRUEHN R.
Published: May 2016

It is demonstrated that very large (up to 50 mm3 volume) crystals of CrP and MnP can be grown by chemical vapor transport using I2 as transport agent (1050 → 950 °C for CrP and 1000 → 1100 °C for MnP).
ChemInform Abstract: Structural Aspects of the Enantioselectivity of Tartrates with α‐Amino Alcohol Salts. Part 2. Crystal Structures of (1R,2S)‐Norephedrine Hydrochloride and (1R,2R)‐Norpseudoephedrine Hydrochloride.
Authors: EGLI M. , DOBLER M.
Published: May 2016

Because enantioselective host‐guest complexes between α‐amino alcohol salts and chiral tartrates cannot be crystallized up to now, crystal structures of the components are determined (see foregoing ref.).
ChemInform Abstract: The Design of Metal Chelates with Biological Activity. Part 6. Nickel and Iron Complexes of Glycylglycinehydroxamic Acid and Triglycinehydroxamic Acid.
Authors: BROWN D. A. , MAGESWARAN R.
Published: May 2016

The title ligands (preparation described), which are present as their Z and E isomers, react in aqueous solution at 0‐5 °C with NiCl2 at pH 7.8 and with FeCl3 at pH 8 to form stable 2:1 or 3:1 complexes, respectively.
ChemInform Abstract: Pyrimidinone Ring Opening and Reclosure on a 1,3,4,6‐Tetraazapentalene System: Syn to Anti Iosmerization.
Authors: BHAT B. , CRUICKSHANK K. A. , LEONARD N. J.
Published: May 2016

Treatment of the syn‐pyrimidinone (IVa), obtained from the compound (I) as shown in the reaction scheme, with ammonia leads to the formation of the deprotected syn compound (V) and the corresponding anti compound (VI).
ChemInform Abstract: Comparative Study of Shape‐Selective Toluene Alkylations Over HZSM‐5.
Authors: FRAENKEL D. , LEVY M.
Published: May 2016

Alkylation reactions of toluene are studied with MeOH, EtOH, and iPrOH in three HZSM‐5‐type zeolite catalysts differing in crystal size and morphology and in the presence of an amorphous SiO2‐B2O3 phase.
ChemInform Abstract: The First Example of a Catalytic Wittig‐Type Reaction. Tri‐n‐butylarsine‐Catalyzed Olefination in the Presence of Triphenyl Phosphite.
Authors: SHI L. , WANG W. , WANG Y. , HUANG Y.‐Z.
Published: May 2016

Wittig‐type reaction of the aldehydes (I) and (VI) with methyl bromoacetate (II) and ω‐bromoacetophenone (VII) in the presence of triphenyl phosphite (III) and catalytic amounts of tri(n‐butyl)arsine produces the olefins (IV) and (VIII) with high predominance of the E‐isomers.
ChemInform Abstract: Catalytic Synthesis of Vinyl Carbamates from Carbon Dioxide and Alkynes with Ruthenium Complexes.
Authors: MAHE R. , SASAKI Y. , BRUNEAU C. , DIXNEUF P. H.
Published: May 2016

The stereo‐ or regioisomeric enol carbamates (IV) ‐ (VI) are synthesized from diethylamine (Ia), the terminal hexynes (IIb) and (IIc) and carbon dioxide (III) in the presence of a ruthenium complex.
ChemInform Abstract: Hydrooligomerization of Alkynes ‐ A Novel Catalytic Reaction with (Co(py)6)+ as Promoter in the Presence of Hydrogen.
Authors: BIAGINI P. , CAPORUSSO A. M. , FUNAIOLI T. , FACHINETTI G.
Published: May 2016

In a solution of the title complex the addition of alkynes such as (I) affords conjugated dienes and tetraenes such as (II) and (III) in competition with (IV).
ChemInform Abstract: Small Rings. Part 67. Tri‐tert.‐butyl(trimethylsilyl)tricyclo(1.1.0.02,4)butane ‐ A Second Tetrahedrane Derivative.
Authors: MAIER G. , BORN D.
Published: May 2016

The title compound (III) is obtained by CuCl‐catalyzed thermolysis of (I) via the dark‐red diene (II), which can be identified as its Diels‐Alder adduct with dimethyl acetylene dicarboxylate.
ChemInform Abstract: Transannular Hydride Shift versus Cyclocondensation in 5‐(2‐Biphenylyl)‐10,11‐dihydro‐5H‐dibenzo(a,d)cyclohepten‐5‐ol Derivatives.
Authors: HELLWINKEL D. , BECKER T.
Published: May 2016

The title compound (IIa) (from dibenzosuberone and 2‐iodobiphenyl via Grignard reaction; yield 74%) and its ethers (IIb) (from (IIa) and R‐OH/conc.
ChemInform Abstract: Synthesis and Fungicidal Activity of Some 1′‐(Substituted aryloxyaceto)spiro‐(3H‐indole‐3,2′‐thiazolidine)‐2,2′‐(1H)‐diones and 2‐Aryl‐(1,3,4)oxadiazino(5,6‐b)indoles.
Authors: ALI R. , MISHRA B. , NIZAMUDDIN NIZAMUDDIN
Published: May 2016

The title compounds (IV), obtained by a convenient synthesis, and the novel title compounds (VI) are tested for their fungicidal activity.
ChemInform Abstract: Reactions with Aziridines. Part 49. Arene Hydrides. Part 6. Reductive Ring Opening of N‐Benzoylaziridine by Anthracene Hydride (Anion of 9,10‐Dihydroanthracene) via Base‐Induced Fragmentation of the Intermediate Carbonyl Adduct.
Authors: STAMM H. , MALL T. , FALKENSTEIN R. , WERRY J. , SPETH D.
Published: May 2016

Reaction of the carbanion salts (I) with N‐benzoylaziridine (II) can result in amidoethylation, forming the products (III) or (VI), in reductive ring opening to give (IV), or in attack of the carbonyl group to produce (V), (VII), or (VIII).
ChemInform Abstract: Triazole Series. Part 15. Synthesis of Novel 1,2,4‐Triazoloquinazoline Ring Systems.
Authors: REITER J. , PONGO L.
Published: May 2016

Reaction of the aminotriazoles (II) with the β‐keto ester (I) yields the linear fused triazoloquinazoline system (III).
ChemInform Abstract: Alkylation and Sulfenylation of Amino Thioethers. Tetrahydro‐1,3‐thiazine and Related Compounds.
Authors: KIM J. K. , SOUMA Y. , BEUTOW N. , IBBESON C. , CASERIO M. C.
Published: May 2016

Cyclization of the mercaptopropylamine (I) with the aldehydes (II) gives the tetrahydro‐1,3‐thiazines (III) which are acetylated, forming the N‐acetyl compounds (V).
ChemInform Abstract: Synthesis and Properties of a Mercapto(15)annulenone: A 14π Diatropic Annulene Triply Characterized by a Fast Chemical Exchange, Tautomerization, and cis‐trans‐Isomerization.
Authors: OGAWA H. , YOSHIKAWA M. , TANAKA H. , IMOTO T. , MIYAMOTO I. , KATO H. , TANIGUCHI Y. , NOGAMI Y. , KOGA T.
Published: May 2016

Sulfurization of the annulenone (I) yields a mixture of the tautomeric thio compounds (II) ‐ (IV).
ChemInform Abstract: A Facile Synthesis of Novel Pyrazolo(5′,1′:3,4) (1,2,4)triazino(6,5‐f) (1,3,4)thiadiazepines.
Authors: KURASAWA Y. , KAMIGAKI Y. , KIM H. S. , WATANABE C. , KANOH M. , OKIYAMA M. , TAKADA A. , OKAMOTO Y.
Published: May 2016

Reaction of the 3‐substituted amino pyrazolotriazines (I), (V), (VI) with thiosemicarbazide·HCl (II) gives the new pyrazolotriazinothiadiazepines (III), (IV), (VII).
ChemInform Abstract: Formation and Reactivity of Compounds with Si‐S and Si‐Se Double Bonds. First X‐Ray Structure Analysis of a Silanethione.
Authors: ARYA P. , BOYER J. , CARRE F. , CORRIU R. , LANNEAU G. , LAPASSET J. , PERROT M. , PRIOU C.
Published: May 2016

The oxidation of the five‐coordinate silane (I) using CS2, S8, or Sex results in the formation of the silanethione (IVa) or silaneselenone (IVb), respectively.
ChemInform Abstract: Various Adducts from Ketones, Diazocyanides, and Nitrosobenzene with (Methylidenamino)phosphines.
Authors: RIED W. , FULDE M. , BATS J. W.
Published: May 2016

The dioxaaza‐λ5‐phosphabicyclo(3.2.0)heptanes (III), the oxadiazaphosphole (IV), and the (aryl(arylazo)triazolylimino)(methylenamino)phosphoranes (VII) are obtained by reactions of the phosphine (I) with the ketones (II), nitrosobenzene (V), or aryldiazocyanides (VI) according to the scheme.
ChemInform Abstract: Reaction of p‐Tosylhydrazones of Aldehydes and Ketones with Selenium Chlorides. An Efficient Synthesis of 1,2,3‐Selenadiazoles.
Authors: GRANDI R. , VIVARELLI P.
Published: May 2016

Reactions of a variety of p‐tosylhydrazones of saturated and unsaturated acyclic aldehydes and ketones as well as of saturated and unsaturated cyclic ketones with SeOCl2 (II) or Se2Cl2 lead to the title compounds such as demonstrated for some examples in the scheme.
ChemInform Abstract: Conductive Molecular Crystals from Three‐Dimensional Building Blocks: Synthesis and Characterization of Tris(bis(ethylenedithio)tetrathiafulvalenium), Bis(tris(2‐thioxo‐1,3‐dithiole‐4,5‐dithiolato)vanadate), (ET)3(V(dmit)3)2, and the Corresponding Tetramethyltetraselenafulvalenium Salt.
Authors: BRODERICK W. E. , MCGHEE E. M. , GODFREY M. R. , HOFFMAN B. M. , IBERS J. A.
Published: May 2016

The title complex and its tetramethyltetraselenafulvalenium salt, representing the basis for a new class of molecular conductors, are prepared by constant‐current electrolysis of a 1,1,2‐trichloroethane solution of the tetrabutylammonium vanadate and the appropriate heterofulvalene.
ChemInform Abstract: First Heterodinuclear Complexes with Bis(cyclopentadienyl)methane Bridges.
Authors: HAERTER P. + , BOGUTH G. , HERDTWECK E. , RIEDE J.
Published: May 2016

The fulvenylcyclopentadienyl‐Mn compounds (III) are prepared from lithiocyclopentadienyl‐Mn tricarbonyl (I) as shown in the scheme.
ChemInform Abstract: N‐Analogues of Metal Acetylacetonates: Bis(1,2,6,7‐tetracyano‐3,5‐diimino‐3,5‐dihydropyrrolizinido)metal(II) (Metal: Fe, Ni, Cu, Zn). Crystal Structure of the Copper Compound.
Authors: BONAMICO M. , FARES V. , FLAMINI A. , IMPERATORI P. , POLI N.
Published: May 2016

The metal‐free anion of (III) cannot be obtained since attempts to demetalate the complexes result in formation of (I).
ChemInform Abstract: Synthesis of N(1)‐Phosphorylated Tryptophan Derivatives.
Authors: GUILLAUME H. A. , PERICH J. W. , JOHNS R. B. , TREGEAR G. W.
Published: May 2016

Treatment of the protected tryptophan derivatives (III) with LDA followed by reaction with dimethyl phosphorochloridate (V) yields the N(1)‐phosphorylated compounds (VI).
ChemInform Abstract: Role of Ceria in Enhancing the Resistance of Aluminosilicate Refractories to Attack by Molten Aluminum Alloy.
Authors: O'BRIEN M. H. , AKINC M.
Published: May 2016

The addition of CeO2 to bauxite is found to alter the microstructure resulting in large, uniformly shaped corundum crystals interlinked with cerium‐containing strands.
ChemInform Abstract: Spectroscopic and Electrochemical Characterization of 18‐Molybdodisulfate(VI)(4‐), S2Mo18O4‐ 62.
Authors: HIMENO S. , HORI T. , SAITO A.
Published: May 2016

The chemical and physicochemical properties of the yellow Dawson‐type molybdosulfate anion S2Mo18O64‐2 in solution are investigated, regarding to the optimum formation conditions, UV‐VIS characteristics, and electrochemical behavior.
ChemInform Abstract: A Critical Analysis of Electrochemical Nuclear Fusion Experiments.
Authors: KREYSA G. , MARX G. , PLIETH W.
Published: May 2016

In the course of a critical analysis of electrochemical nuclear fusion experiments all the phenomena reported by Fleischmann and Pons could also be observed.
ChemInform Abstract: Probing the Surface Electrochemical Properties of Bimetallic Alloys by Chemisorption of Redox‐Active Species. Iodine at Smooth Au90Pt10.
Authors: CALI G. J. , BOTHWELL M. E. , SORIAGA M. P.
Published: May 2016

The interfacial electrochemical properties of the miscible Au + Pt alloy Au90Pt10 are probed by comparison of the redox‐activated adsorption‐desorption behavior of iodine at the smooth polycrystalline alloy with that at pure Au and Pt electrodes.
ChemInform Abstract: Passivity of Iron‐Chromium Alloys.
Authors: KIRCHHEIM R. , HEINE B. , FISCHMEISTER H. , HOFMANN S. , KNOTE H. , STOLZ U.
Published: May 2016

Studies of the composition of the passive film formed at 25 °C in 1 N H2SO4 on Fe‐Cr alloys containing 0.6, 1.0, 2.3, 6, 10, 13, 15, and 18 at.% Cr by using XPS confirm an enrichment of Cr in the passive film.
ChemInform Abstract: Rate Constants for Reactions Between Atmospheric Reservoir Species. Part 2. H2O.
Authors: HATAKEYAMA S. , LEU M.‐T.
Published: May 2016

In a systematic investigation of the reactions represented in the scheme by using the same experimental methods as that mentioned in the preceding abstract the following upper limits for the homogeneous gas‐phase reaction rate constants are found: 3.4·10‐21, 2.8·10‐21, 1.1·10‐22, and 1.2·10‐23 cm3 s‐1 respectively.
ChemInform Abstract: New Route to Crystalline Salts of the Hydrolytic Dimer of Chromium(III).
Authors: MERAKIS T. , MURPHY A. , SPICCIA L. , BEGUIN A. , MARTY W.
Published: May 2016

The hydrolytic dimer (Cr2(μ‐OH)2(H2O)8)4+ (I) is prepared via a simple two‐step procedure that involves the H+ oxidation of metallic Cr to Cr2+ at ∼70 °C and subsequent O2 oxidation at room temperature.
ChemInform Abstract: Regioselective Isomerization of Glycidic Esters with Boron Trifluoride‐Ether (or Chlorotrimethylsilane) into α‐Hydroxy‐β,γ‐unsaturated Esters.
Authors: VANKAR Y. D. , CHAUDHURI N. C. , VANKAR P. S.
Published: May 2016

BF3‐treatment of the glycidic esters (I) causes regioselective isomerization to give the α‐hydroxy‐β,γ‐unsaturated esters (II), which can be oxidized to the ketones (III).
ChemInform Abstract: Kinetic and Labeling Studies of the Formation and Trapping Reactions of Dimethylgermylene.
Authors: SHUSTERMAN A. J. , LANDRUM B. E. , MILLER R. L.
Published: May 2016

The kinetics of the thermal decomposition of (I) is studied in the presence of excess styrene, 2,3‐dimethylbutadiene and CCl4.
ChemInform Abstract: Carbonylation of Organic Allyl Moieties. Part 1. Synthesis of Pelargonic (Nonanoic) and Margaric (Heptadecanoic) Acid Methyl Esters from 1,3‐Butadiene.
Authors: NEIBECKER D. , POIRIER J. , TKATCHENKO I.
Published: May 2016

Palladium‐catalyzed coupling of butadiene (I) with methanol (II) gives either the ethers (III) ‐ (VI) or only (III) and (IV) depending on the catalysts employed.
ChemInform Abstract: Radical Reaction of Ketene Alkyl Trimethylsilyl Acetals with Divinyl Sulfone‐Promoted by Titanium(IV) Chloride.
Authors: ALI S. M. , TANIMOTO S.
Published: May 2016

The ketene alkyl trimethylsilyl acetals (I) react with divinyl sulfone (II) in the presence of titanium(IV) chloride via intermediate radicals, e.g. (III), to form either the γ‐(vinylsulfonyl)butyrates (IV) or the 2‐(vinylsulfonyl)cyclobutanone derivatives (V).
ChemInform Abstract: Electroorganic Synthesis Using Organometals. Part 1. Cathodic Ester Formation from Alcohols and Alkyl Halides in the Presence of Catalytic Amounts of Iron(0) Pentacarbonyl at Atmospheric Pressure of Carbon Monoxide.
Authors: HASHIBA S. , FUCHIGAMI T. , NONAKA T.
Published: May 2016

Electrolysis of the alcohols (I) in the presence of tetramethylammonium chloride gives the corresponding alkoxides which react with carbon monoxide (II) and the alkyl bromides (III) in the presence of iron pentacarbonyl to produce the esters (IV).
ChemInform Abstract: The Rearrangements of Aromatic Carboxylic Acids. Part 1. The Rearrangements of Potassium 1‐ and 2‐Naphthoates.
Authors: CHIBA K. , TAGAYA H. , WATANABE T. , KONO H. , SUZUKI M.
Published: May 2016

The disproportionation of potassium 1‐naphthoate (I) at different temperatures is investigated.
ChemInform Abstract: Selective 1:3 Coupling of Norbornene and Iodobenzene: A Facile Synthesis of Benzo(e)pyrenes with Anellated Cycloaliphatic Moieties.
Authors: REISER O. , WEBER M. , DE MEIJERE A.
Published: May 2016

The title coupling leads to the product (IIIa) which is transformed to the pyrene derivative (IV).
ChemInform Abstract: Soluble, Graphitic Ribbon Topologies. A Synthetic Strategy and First Model Studies.
Authors: BLATTER K. , SCHLUETER A.‐D. + , WEGNER G.
Published: May 2016

Diels‐Alder reaction of arene‐bridged dienes such as (II) with tetracyanoethylene (I) gives the mono‐ and biscycloadducts (III) and (IV).
ChemInform Abstract: Synthesis of Enantiomerically Pure γ‐(Menthyloxy)butenolides and (R)‐and (S)‐2‐Methyl‐1,4‐butanediol.
Authors: FERINGA B. L. , DE LANGE B. , DE JONG J. C.
Published: May 2016

Etherification of the butenolides (II) with menthol (I) gives a mixture of the diastereomers (III) and (IV) which are separated by chromatography.
ChemInform Abstract: Isolation of Stable 1:1 and 2:1 Salts of Nitrosamines with Protic Acids.
Authors: KEEFER L. K. , OHANNESIAN L. , HRABIE J. A.
Published: May 2016

The nitrosamines (I) react with the acids (II) to give the stable 1:1 salts (III).
ChemInform Abstract: A New Preparation of 5‐(Alkylthio)‐1,2‐dithiole‐3‐thiones and a Highly‐Functionalized 1,3‐Dithiole‐2‐thione.
Authors: LU F. L. , KESHAVARZ‐K. M. , SRDANOV G. , JACOBSON R. H. , WUDL F.
Published: May 2016

Consecutive treatment of the alkyl dithioacetates (I) with sodium hydride, carbon disulfide (II), and iodine leads to the formation of the 5‐(alkylthio)‐1,2‐dithiole‐3‐thiones (III).
ChemInform Abstract: A Novel Synthesis of 4‐Amino‐5‐aryl‐2‐phenyl‐2H‐1,2,3‐triazoles from α‐Oxonitriles.
Authors: RAI B. J. , LAKHAN R.
Published: May 2016

The reaction of the α‐oxonitriles (I) with phenylhydrazine (II) affords the triazoles (III) as the sole products.
ChemInform Abstract: Sulfoxide Analogues of Dihydro‐ and Tetrahydroprephenate as Inhibitors of Prephenate Dehydratase.
Authors: BUSHWELLER J. H. , BARTLETT P. A.
Published: May 2016

The sulfoxide derivatives (VIII), (IX), (XI), and (XII) mentioned in the title are prepared from the dimethoxyglutarate (I) as outlined in the reaction scheme.
ChemInform Abstract: Di(4‐pyridinio)‐, Di(2‐benzothiazolio)‐, Di(2‐(1,3‐dithiolylio))‐, and Diformyltetraaza(14)annulenes and Tetraaza(14)annulenylene‐Homologous Tetrathiafulvalenes.
Authors: ADAMS F. , GOMPPER R.
Published: May 2016

Following investigations on derivatives with N‐linked substituents (cf.
ChemInform Abstract: Synthesis and Spectroscopic Characterization of Dimethylgermanium Derivatives of Dipeptides, Crystal Structure of Dimethylgermanium Glycylglycinate, and in vivo Effects of Dimethylgermanium Glycylglycinate Against Murine Leukemia P388.
Authors: VORNEFELD M. , HUBER F. , PREUT H. , BRUNNER H.
Published: May 2016

The organo‐germanium dipeptide derivatives (III) are prepared by the reaction of Me2GeBr2 (I) with the dipeptides (II) in the presence of triethylamine.
ChemInform Abstract: Kalmanol, a Pharmacologically Active Diterpenoid with a New Ring Skeleton from Kalmia angustifolia L.
Authors: BURKE J. W. , DOSKOTCH R. W. , NI C.‐Z. , CLARDY J.
Published: May 2016

The title compound (I) (space group P212121; Z=2), when compared with the cardiotoxic grayanotoxin (II), is found to be less potent than (II), thus proving that alterations in rings B and C can be tolerated without complete loss of activity.
ChemInform Abstract: 18‐Substituted Steroids. Part 16. Synthesis of 6β‐Hydroxy‐ and 6α‐Hydroxy‐aldosterone and Their 17α‐Isomers.
Authors: KIRK D. N. , MILLER B. W. , LATIF S. A. , MORRIS D. J. , COOLEY G.
Published: May 2016

The aldosterone diacetate (I) is converted into its 6β‐hydroxy and 6α‐hydroxy derivatives.
ChemInform Abstract: General Syntheses of 2′,3′‐Dideoxynucleosides and 2′,3′‐Didehydro‐2′,3′‐dideoxynucleosides.
Authors: CHU C. K. , BHADTI V. S. , DOBOSZEWSKI B. , GU Z. P. , KOSUGI Y. , PULLAIAH K. C. , VAN ROEY P.
Published: May 2016

Consecutive treatment of the 5'‐O‐silyl‐protected adenosine (I) with carbon disulfide (II) and methyl iodide (III) produces the bisxanthate (IV), together with the thionocarbonate (V).
ChemInform Abstract: Use of Biological Systems for the Preparation of Chiral Molecules. Part 6. Preparation of Stereoisomeric 2,4‐Diols: Synthesis and Conformational Study of Bicyclo Derivatives, Isomeric Components of a Pheromone of Trypodendron lineatum.
Authors: DAUPHIN G. , FAUVE A. , VESCHAMBRE H.
Published: May 2016

Selective microbiological reduction of 8‐nonene‐2,4‐dione (I) leads either to the formation of (2S)‐(+)‐2‐hydroxy‐8‐nonen‐4‐one (II) or to the corresponding (2R)‐(‐) compound (VII).
ChemInform Abstract: Liquid‐Crystalline Solvents as Mechanistic Probes. Part 37. Novel Family of Gelators of Organic Fluids and the Structure of Their Gels.
Authors: LIN Y. , KACHAR B. , WEISS R. G.
Published: May 2016

The structural limitations of some members of the novel family such as (I)‐(III) and other steroidal analogues are reported.
ChemInform Abstract: Synthesis and Structure of Nickel Tetraborouranate, Ni7B4UO16.
Authors: GASPERIN M.
Published: May 2016

The title compound is prepared by annealing a mixture of U3O8, NiO, and B2O3 at 1373 K in air (15 h).
ChemInform Abstract: Oxidation of Chemically‐Vapor‐Deposited Silicon Nitride and Single‐Crystal Silicon.
Authors: CHOI D. J. , FISCHBACH D. B. , SCOTT W. D.
Published: May 2016

The oxidation rates of dense, chemically‐vapor‐deposited, polycrystalline α‐Si3N4 in clean silica tubes at 1000‐1300 °C using various atmospheres including wet inert gas (He, Ar), steam, and wet and dry O2 are found to be several orders of magnitude slower than those of (111) single‐crystal silicon under identical conditions.
ChemInform Abstract: The First Quinquinary Oxoaurate(I). K6Na(IO6) (AuO)2 = K6(NaIO6) (AuO2/2)2
Authors: SCHNEIDER J. , HOPPE R.
Published: May 2016

is obtained in the course of attempts to synthesize new phases in the A/Au/I/O system by heating mixtures of K2O and NaIO4 (K2O:NaIO4 = 2.2.:1.0, sealed Au tube, 700 °C, 59 d).
ChemInform Abstract: Temperature Switching of Product Chirality Upon Photosensitized Enantiodifferentiating cis‐trans Isomerization of Cyclooctene.
Authors: INOUE Y. , YOKOYAMA T. , YAMASAKI N. , TAI A.
Published: May 2016

(‐)‐Menthyl and (‐)‐bornyl esters of benzoic, phthalic, isophthalic, terephthalic, and pyromellitic acids photosensitize enantiodifferentiatingly the cis‐trans isomerization of cyclooctene (II).
ChemInform Abstract: Vinylquinone Ketals as Diels‐Alder Dienes. Construction of Functionalized Naphthalenes and Nonlinear Polycyclic Aromatics.
Authors: PARKER K. A. , RUDER S. M.
Published: May 2016

Cycloaddition reactions of the vinylquinone bis‐ketals (III) and (VII) with a series of dienophiles, e.g. (II), (V), (VIII), leads to naphthalene compounds with a substitution pattern which is suitable to be elaborated to the cervinomycins (cf.
ChemInform Abstract: Synthesis of 1,1‐Bis(2‐bromoethyl)hydrazine.
Authors: ZAKHARIEV S. , STOEV S. , VIDENOV G.
Published: May 2016

The hydrochloride (II) of the title compound is prepared from 1,1‐bis‐(2‐hydroxyethyl)hydrazine (I).
ChemInform Abstract: Boron Annulation in Organic Synthesis. Part 4. Silicon Effects with Tetrasubstituted Olefins.
Authors: AKERS J. A. , BRYSON T. A.
Published: May 2016

The 1,4‐dienes (I) are subjected to hydroboration, yielding the regioisomeric diols (II) and (III), together with the unsaturated alcohols (IV).
ChemInform Abstract: Synthesis, Structure, and Properties of 2′‐Thioxo‐4′‐iminocyclohexanespiro‐5′‐imidazolidines.
Authors: MEDVEDEVA L. A. , ZOLOTOI A. B. , POLYAKOV A. I. , D'YACHENKO O. A. , ATOVMYAN L. O.
Published: May 2016

Multicomponent reaction of cyclohexanone (I), benzylamine (II), benzyl isocyanide (III), and thiocyanic acid, prepared in situ from potassium thiocyanate (IV), gives the cyclohexanespiroimidazolidine (Va).
ChemInform Abstract: Synthesis and Quantitative Structure‐Activity Relationship of Analeptic Agents Related to Dimefline.
Authors: RECANATINI M. , VALENTI P. , DA RE P. , GIUSTI P.
Published: May 2016

The aminomethylated benzopyranones (VIII) are prepared as shown in the reaction scheme.
ChemInform Abstract: Halogen‐Substituted Pyridines. Part 3. Cyclization of Adducts from α,α‐Dichloropropionitrile with Acrylic Derivatives to give Chloropyridines.
Authors: SHVEKHGEIMER M.‐G. A. , KOBRAKOV K. I. , SYCHEV S. S. , PROMONENKOV V. K.
Published: May 2016

Cuprous chloride‐catalyzed reaction of α,α‐dichloropropionitrile (I) with the acryloyl derivatives (II) gives the dichlorocarbonitriles (III) and, from the ketones (IIa) ‐ (IIc), the monochloro compounds (IVa) ‐ (IVc).
ChemInform Abstract: Competitive Reactions in the Synthesis of Nitrendipine.
Authors: RAEV L. D. , IVANOV I. C.
Published: May 2016

Reaction of the methyl benzylideneacetoacetate (Ia) with the ethyl acetoacetate (II) gives nitrendipine (IIIc) as the main product, together with the symmetrical esters (IIIa) and (IIIb).
ChemInform Abstract: Synthesis and Pharmacological Evaluation of Triazolo Derivatives of 8‐Amino‐10,11‐dihydrodibenzo(b,e)‐1,4‐thiazepin‐11‐one.
Authors: JOSHI J. , JOSHI B. C. , BARAR F. S. K.
Published: May 2016

A triazole ring is anellated to the dibenzothiazepinone (I), yielding (IV) via conversion to the chloride, coupling with hydrazine hydrate (II), and cyclocondensation with formic acid (III).
ChemInform Abstract: Synthesis and Spectroscopic Properties of 4,5‐Dibenzoylseleno‐1,3‐diselenole‐2‐selone.
Authors: OLK R.‐M. , OLK B. , DIETZSCH W. , HOYER E.
Published: May 2016

The new synthesis of the title compound (VI) occurs starting with the 1,3‐diselenole‐2‐selone (I) as shown in the scheme.
ChemInform Abstract: Aluminum and Gallium Complexes of 1‐Ethyl‐3‐hydroxy‐2‐methyl‐4‐pyridinone: A New Exoclathrate Matrix.
Authors: NELSON W. O. , RETTIG S. J. , ORVIG C.
Published: May 2016

The structures of the title ligand (III) (space group Pbca, Z = 8) and of the two isostructural complexes (V), crystallizing with twelve molecules water (P3, Z=2), are determined by single‐crystal X‐ray diffraction.
ChemInform Abstract: Carbon Suboxide as a C1 Reagent. Sequential Cleavage of CO from C3O2 at a Metal Center to Give WCl2(CO)(PMePh2)2(C,C′:η2‐C(O)CPMePh2) and WCl2(CO)(PMePh2)2(CPMePh2).
Authors: LIST A. K. , HILLHOUSE G. L. , RHEINGOLD A. L.
Published: May 2016

Carbon suboxide (II) reacts with the W(II) complex (I) to give the title complex (III) (space group P2/n, Z=4) which in CHCl3 at 35 °C undergoes an irreversible loss of CO to afford the phosphinocarbyne complex (IVa).
ChemInform Abstract: The First Polyhydrides Stabilized Only by N‐Donor Ligands, ((HB(pz)3)ReH6) and ((CH2(pz)2)ReH7).
Authors: HAMILTON D. G. , LUO X.‐L. , CRABTREE R. H.
Published: May 2016

In order to obtain polyhydrides without phosphines or cyclopentadienyl groups the unusual rhenium polyhydrides (II), (V) and (IX) are prepared according to the scheme.
ChemInform Abstract: High‐Valent Iron Phthalocyanine Five‐ and Six‐Coordinated μ‐Carbido Dimers.
Authors: ERCOLANI C. , GARDINI M. , GOEDKEN V. L. , PENNESI G. , ROSSI G. , RUSSO U. , ZANONATO P.
Published: May 2016

The stable dimer (III) is a rare species, not isomorphous with the corresponding μ‐nitrido and μ‐oxo complexes.
ChemInform Abstract: Synthesis, Structure and EPR Studies of Mixed Hexafluoroacetylacetonatocopper(II) Complexes with Some Diimine Ligands.
Authors: ESCUER A. , COMAS T. , RIBAS J. , VICENTE R. , SOLANS X. , ZANCHINI C. , GATTESCHI D.
Published: May 2016

(I) (P21/a, Z=4), some analogous complexes containing diimine ligands such as (II)‐(IV), and the dimer (V) are obtained by reaction of a mixture of equimolar amounts of bis(hexafluoroacetylacetonato)copper and the heterocyclic ligands in Me2CO or MeCN in 60‐70% yield.
ChemInform Abstract: Chemistry, Structure, and Bonding in Diruthenium(II) Tetracarboxylates.
Authors: COTTON F. A. , MISKOWSKI V. M. , ZHONG B.
Published: May 2016

The Ru2(II,III) complex (I) reacts with L‐mandelic acid (II) to convert 50% of the Ru to the Ru(II,II) mandelate (III) (space group P21, Z=4) and 50% to the accompanying disproportionation product (IV).
ChemInform Abstract: Application of the Vicinal Oxyamination Reaction with Asymmetric Induction to the Hemisynthesis of Taxol and Analogues.
Authors: MANGATAL L. , ADELINE M.‐T. , GUENARD D. , GUERITTE‐VOEGELEIN F. , POTIER P.
Published: May 2016

Sharpless vicinal oxyamination of the taxane derivative (I) in the presence of chiral amines, e.g. DQA, yields the compounds (IIIa) and (IIIb) as major products which are separated chromatographically.
ChemInform Abstract: Indole Diterpene Synthetic Studies. Part 5. Development of a Unified Synthetic Strategy: A Stereocontrolled, Second‐Generation Synthesis of (‐)‐Paspaline.
Authors: SMITH A. B. III , LEENAY T. L.
Published: May 2016

(+)‐Wieland‐Miescher ketone (I) serves as starting material in the synthesis of the tricyclic cyclopentanone (XI), the proposed common advanced intermediate for a family of tremorgenic indole terpenes.
ChemInform Abstract: Stereoselective Synthesis of 2,4‐Diamino Acids by Asymmetric Hydrogenation.
Authors: PARK N. G. , LEE S. , MAEDA H. , AOYAGI H. , KATO T.
Published: May 2016

A previously described methodology for the synthesis of optically active neutral amino acids by means of asymmetric hydrogenation of cyclic α,β‐dehydro dipeptides of type (III) is now extended to amino acids possessing a functionalized side chain with or without an additional chiral center.
ChemInform Abstract: Dimers and Tetramers of SiCl in a Molecular Beam from a Heterogeneous, Intermediate‐Pressure Reactor.
Authors: DAVIDSSON J. , HOLMLID L.
Published: May 2016

Unusual molecules like Si2Cl2 and Si4Cl4 can be detected by mass spectrometry in a molecular beam extracted from a promising new type of source.
ChemInform Abstract: Replacement of Nitrite by Bromide Anions in Na3NO3.
Authors: JANSEN M. , MUELLER W. +
Published: May 2016

According to preparative and X‐ray powder results the isostructural solids Na3O(NO2) and Na3OBr form solid solutions with a miscibility gap between 28 mol% and 62 mol% Na3OBr at room temperature.
ChemInform Abstract: Preparation and Crystal Structures of the First Two Members of a New Type of Lead(II) Oxyhalides, Pb4(SiO4)X4 (X: Cl, Br).
Authors: RIEBE H.‐J. , KELLER H.‐L.
Published: May 2016

The title compounds are prepared by annealing mixtures of PbO, PbCl2(PbBr2), and SiO2 (2:2:1; Pt ampoule; 440 °C, 3 d) and their crystal structures are investigated using single‐crystal XRD.
ChemInform Abstract: New Oxides of the BaCuSm2O5 Type: BaCoHo2O5, BaCoYb2O5, and of the BaNiLn2O5 Type: BaCoEr2O5
Authors: MEVS H. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

are synthesized as single crystals according to the scheme.
ChemInform Abstract: Dimeric Mixed‐Ligand Copper(II) Complexes with Diimines and Salicylaldehydate.
Authors: SPODINE E. , ATRIA A. M. , PENA O. , L'HELGOUACH H. , GARLAND M. T.
Published: May 2016

Variable‐temp.
ChemInform Abstract: Asymmetric Aldol Reactions. A Titanium Enolate Giving Very High Diastereofacial Selectivities.
Authors: SIEGEL C. , THORNTON E. R.
Published: May 2016

The use of Ti reagents in stereocontrolled aldol reactions has rarely been mentioned in the literature; the present study demonstrates, however, that Ti enolates (being particularly attractive because of low cost, low toxicity, and ease of workup) can give diastereofacial selectivities of 99%.
ChemInform Abstract: Metal‐Promoted Cyclization. Part 26. Palladium‐Catalyzed Cyclization of Benzyl Halides and Related Electrophiles Containing Alkenes and Alkynes as a Novel Route to Carbocycles.
Authors: WU G.‐Z. , LAMATY F. , NEGISHI E.
Published: May 2016

Various o‐alkenylbenzyl chlorides are cyclized upon heating in the presence of triethylamine and a Pd(0) catalyst.
ChemInform Abstract: Photochemical Pathways to Benzosemibullvalene Derivatives from Dimethyl 1,4‐Dihydro‐1,4‐ethenonaphthalene‐2,3‐dicarboxylate.
Authors: SCHEFFER J. R. , YAP M.
Published: May 2016

Sensitized photolysis of the diester (I) mentioned in the title produces the primary product (II) which is subjected to direct irradiation, yielding the rearranged benzosemibullvalene (III).
ChemInform Abstract: Insertion of 2,3‐Dihydrothiophene into Platinum and Osmium Hydrides: A Model for Reactions Occurring During Thiophene Hydrodesulfurization.
Authors: GLAVEE G. N. , DANIELS L. M. , ANGELICI R. J.
Published: May 2016

Dihydrothiophene (II) is proposed as an intermediate in the catalytic hydrodesulfurization of thiophene.
ChemInform Abstract: Cycloadditions of (Arylalkylamino)ketenes with Cycloalkenes.
Authors: BRADY W. T. , GU Y. Q.
Published: May 2016

The arylglycine derivatives (I) are converted to the ketenes (II) which react with the cycloalkenes (III) to give the endo‐cycloaddition products (IV).
ChemInform Abstract: 1,4‐Benzodioxin Chemistry: A New Route to C‐3 Functionalized 2‐Methylene‐1,4‐benzodioxanes.
Authors: RUIZ N. , ROLLIN P.
Published: May 2016

Some reactions with hydroxymethylbenzodioxane (I) and hydroxymethylbenzodioxin (IV), producing functionalized derivatives, are performed as outlined in the reaction scheme.
ChemInform Abstract: Bis(bis(trimethylsilyl)amino)sulfane. Part 1. Synthesis and Characterization.
Authors: SCHUBERT G. , GATTOW G.
Published: May 2016

The title compound is prepared by a known method from Li(N(SiMe3)2) with SCl2 in Et2O at ‐30 °C in ca. 60% yield.
ChemInform Abstract: Hydrazido Complexes of Titanium(IV) with Tris(pyrazolyl)borates. Crystal Structures of (TiLCl2(NMeNMe2)) and (TiLCl2(NPhNH2)), L: Tris(pyrazolyl)borate.
Authors: HUGHES D. L. , LEIGH G. J. , WALKER D. G.
Published: May 2016

The reactions of (I) with hydrazine derivatives yield the title complexes (III) (Pbca, Z = 8) and (V) ( P21/n, Z=4) which are structurally very similar to the homologous cyclopentadienyl derivatives with side‐on binding of the hydrazido(1‐)‐moiety.
ChemInform Abstract: Synthesis and Reactivity of Binuclear Perhalophenyl Derivatives of Platinum(I). Molecular Structure of (Pt2(C6F5)2(CO)2(PPh3)2)·0.4 CHCl3.
Authors: USON R. , FORNIES J. , ESPINET P. , FORTUNO C. , TOMAS M. , WELCH A. J.
Published: May 2016

Binuclear Pt(I) complexes of the type (III) ((IIIa): space group C2/c, Z=4) are prepared by a redox condensation reaction shown in the scheme for some examples.
ChemInform Abstract: Direct Cleavage versus Transpeptidation in the Autodecomposition of Peptides Containing 2,4‐Diaminobutanoic Acid (DABA) and 2,3‐Diaminopropanoic Acid (DAPA) Residues. Specific Cleavage of DAPA‐Containing Peptides.
Authors: BLODGETT J. K. , LOUDON G. M.
Published: May 2016

Peptides containing DABA and DAPA residues such as (I) and (V), respectively, may undergo either "direct cleavage" (to give, e.g., (II) and (III) by attack on the C‐carbonyl at right hand) and/or "transpeptidation" (to give (IV) by attack on N‐carbonyl at left hand).
ChemInform Abstract: Regioselective Benzoylations of Glycopyranosylamines: Synthesis of Partially Protected Glycopyranosyl Isothiocyanates.
Authors: FUENTES MOTA J. , GARCIA FERNANDEZ J. M. , ORTIZ MELLET C. , PRADERA ADRIAN M. A. , BABIANO CABALLERO R.
Published: May 2016

Treatment of the β‐D‐galactopyranosylamine (Ia) and the β‐D‐gluco analogue (Ib) with benzoyl chloride (II) under controlled conditions gives the tribenzoyl derivatives (III) as the main products.
ChemInform Abstract: Highly Selective Etching of Si3N4 to SiO2 Employing Fluorine and Chlorine Atoms Generated by Microwave Discharge
Authors: SUTO S. , HAYASAKA N. , OKANO H. , HORIIKE Y.
Published: May 2016

of an NF3 + Cl2 mixture.
ChemInform Abstract: The Phase ((Bi, Pb)O)2Sr2BiFe2O7+z
Authors: FRIES T. , MAYER‐VON KUERTHY G. + , EHMANN A. , LOESCH S. + , SCHLICHENMAIER M. , KEMMLER‐SACK S.
Published: May 2016

is prepared with various Bi:Pb ratios by heating mixtures of Bi(NO3)3·5 H2O or Bi2O3, PbO, Sr(NO3)2, and Fe powder in corundum boats at 800‐830 °C for several days.
ChemInform Abstract: Phase Composition and Electric Properties of Samples of the System CaMnO3‐CaTiO3.
Authors: KOROLEV V. P. , KONONYUK I. F. , POPOV I. O.
Published: May 2016

Samples of CaMn1‐xTixO3 are prepared from mixtures of CaO, Mn2O3 and TiO2 at 1570 K in air.
ChemInform Abstract: Enantioselective Inhibition: A Strategy for Improving the Enantioselectivity of Biocatalytic Systems.
Authors: GUO Z.‐W. , SIH C. J.
Published: May 2016

Dextromethorphan (DMP = cat.) and levomethorphan (LMP) are found to be effective enantioselective inhibitors of C.c.
ChemInform Abstract: Zirconium‐Mediated Ring Construction from Dienes: Remarkable Effect of Ligands on Stereochemistry.
Authors: NUGENT W. A. , TABER D. F.
Published: May 2016

The zirconium‐mediated cyclization of the diene (II) occurs via metallacycle intermediates and leads to the trans product (I) or the cis product (V).