bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Reaction of Glycosylisothiocyanates with 2‐Chloroethylamine.
Authors: GONZALEZ M. A. , CABALLERO R. B. , MORENO P. C. , MOTA J. F. , REQUEJO J. L. J. , ALBARRAN J. C. P.
Published: May 2016

Reaction of the tetra‐O‐acetyl‐β‐D‐glucopyranosyl isothiocyanate (I) with 2‐chloroethylamine hydrochloride (II) yields the thiazolinylthiourea (III).
ChemInform Abstract: Syntheses of Chiral Oxazolo(2,3‐a)tetrahydroisoquinoline and Its Asymmetric Alkylation. Synthesis of (S)‐(‐)‐ and (R)‐(+)‐Salsolidines.
Authors: YAMATO M. , HASHIGAKI K. , ISHIKAWA S. , QAIS N.
Published: May 2016

The bromoisochromane (I) is cleaved to give the aldehyde (II) which reacts with D‐phenylglycinol (III) to give the oxazoloisoquinoline (V) via the isoquinolinium salt (IV).
ChemInform Abstract: Nucleosides and Nucleotides. Part 87. Synthesis of 2′,3′‐Dideoxy‐3′‐methylidenethymidine and 2′,3′‐Didehydro‐2′,3′‐dideoxy‐3′‐methylthymidine: Deoxygenation of the Allylic Alcohol System in 3′‐Deoxy‐3′‐methylidene‐5‐methyluridine.
Authors: MATSUDA A. , OKAJIMA H. , UEDA T.
Published: May 2016

The diacetate (X), prepared from (I) as outlined in the reaction scheme, is reduced to give a mixture of the monoacetates (XI) and (XII).
ChemInform Abstract: Mild and Effective Cleavage of Esters with Bis(tributyltin) Oxide: A Useful Application in the Deprotection of Pom Penicillanate Esters.
Authors: MATA E. G. , MASCARETTI O. A.
Published: May 2016

The pivaloyloxymethyl(Pom) penicillanates (I) are cleaved with bis(tributyltin) oxide to form the acids (II).
ChemInform Abstract: Total Synthesis of Ptaquilosin: The Aglycon of Ptaquiloside, a Potent Bracken Carcinogen.
Authors: KIGOSHI H. , IMAMURA Y. , NIWA H. , YAMADA K.
Published: May 2016

Contrary to expectations, the major diastereomer obtained from the diester (I) has the stereostructure (IV).
ChemInform Abstract: The Normalization Factor of the Tomato Mutant chloronerva. Part 32. Synthesis of the (S)‐Piperidine‐2‐carboxylic Acid Analogue of Nicotianamine.
Authors: FAUST J. , SCHREIBER K.
Published: May 2016

The title compound (IVa), an analogue of nicotianamine (IVb), is prepared in order to study the influence of the ring size on the biological activity.
ChemInform Abstract: Mo(OH)n+ 4 (n = 0, 2), Tetrahedral or Square‐Planar? The dn‐d10‐n Hole Formalism for π‐Donor and π‐Acceptor Ligand Fields.
Authors: CAYTON R. H. , CHISHOLM M. H. , CLARK D. L. , HAMMOND C. E.
Published: May 2016

Fenske‐Hall MO calculations are used to probe the electronic structure and bonding of d0 and d2 monomeric transition metal tetraalkoxide complexes.
ChemInform Abstract: Diels‐Alder Cycloadditions of Vinylketene Dithioacetals.
Authors: GUPTA A. K. , ILA H. , JUNJAPPA H.
Published: May 2016

Whereas the vinylketene dithioacetals (IIIa)‐(IIIc) and (IIIf) can be prepared as shown, the derivatives (IIId) and (IIIe) are synthesized by Wittig reaction since the dehydration method gives mixtures of isomeric dienes.
ChemInform Abstract: Kinetics and Mechanism of the exo Cyclizations of ω‐Formylalkyl Radicals.
Authors: BECKWITH A. L. J. , HAY B. P.
Published: May 2016

The formyl radicals (I) and (III) undergo reversible fast exo cyclization.
ChemInform Abstract: “Transition‐State Modeling” Does Not Always Model Transition States.
Authors: SHERROD M. J. , MENGER F. M.
Published: May 2016

Transition‐state modeling is applied to the degenerate hydride transfer (CHO‐/C=O → C=O/CHO‐) in hydroxy ketones (I)‐(III) whose energy barriers for degenerate intramolecular hydride transfer are known from dynamic NMR studies.
ChemInform Abstract: Mannich Reactions of Aryltrialkylstannanes in Aprotic Solvents.
Authors: COOPER M. S. , FAIRHURST R. A. , HEANEY H. , PAPAGEORGIOU G. , WILKINS R. F.
Published: May 2016

The title reaction leads to a series of ca. 30 dialkylamino‐methylated aromatics such as (Va) or (Vb) without regioisomeric impurities; compounds (Vc) are obtained under somewhat changed reaction conditions.
ChemInform Abstract: Palladium‐Catalyzed Carbonylation of Allylamines.
Authors: MURAHASHI S. , IMADA Y. , NISHIMURA K.
Published: May 2016

The allylamines (I) undergo insertion of carbon monoxide (II) in the presence of a Pd(II) catalyst to produce the β,γ‐unsaturated carboxamides (III).
ChemInform Abstract: Organotin‐Based Bifunctional Reagents: 4‐Chloro‐2‐lithio‐1‐butene and Related Substances. Methylenecyclopentane Annulations. Total Synthesis of (.+‐.)‐δ9(12)‐Capnellene.
Authors: PIERS E. , KARUNARATNE V.
Published: May 2016

Lithiation of the stannylbutene (I) leads to the title lithiobutene which acts as a bifunctional reagent in the reaction with the compounds (II) and (IV).
ChemInform Abstract: Syntheses of 2‐Bromopyrene and 2‐Hydroxypyrene.
Authors: HARVEY R. G. , SCHMOLKA S. , CORTEZ C. , LEE H.
Published: May 2016

Selective bromination of the tetrahydropyrene (I) and subsequent dehydrogenation with o‐chloranil gives 2‐bromopyrene (III).
ChemInform Abstract: Highly Selective Synthesis of Substituted Alkylpyridines.
Authors: DZHEMILEV U. M. , SELIMOV F. A. , RUTMAN O. G.
Published: May 2016

Reaction of the ethynyl carbinols (I) with the acyl chlorides (II) in the presence of zinc chloride followed by work‐up with ammonia (III) gives the substituted alkylpyridines (IV).
ChemInform Abstract: Stannylation Reactions and Cross‐Couplings in Pyrimidines.
Authors: MAJEED A. J. , ANTONSEN O. , BENNECHE T. , UNDHEIM K.
Published: May 2016

Thermal decarboxylation or substitution reactions are used for the preparation of stannylated pyrimidines, e.g. (II) and (VII), which are used for Pd‐catalyzed cross‐coupling reactions.
ChemInform Abstract: Reaction of Pyrazine‐2,3‐dicarbonitrile and 1,3‐Dimethyllumazine with the Phthalimidoalkyl Radical.
Authors: TADA M. , TOTOKI S.
Published: May 2016

The radicals, generated by decarbonylation of the acids (I), are coupled with the pyrazine derivatives (II) or (V) mentioned in the title to yield the mono‐ (III) or (VI) and disubstituted products (IV) or (VIId).
ChemInform Abstract: Synthesis and Stereochemistry of Saturated and Partially Saturated 4‐Aryl‐4H‐3,1‐benzothiazine‐2(1H)‐thiones.
Authors: PERJESI P. , FOELDESI A. + , BATTA G. , TAMAS J.
Published: May 2016

In order to get further insight into the stereochemistry of the acid‐catalyzed reaction of thiocarbonic acid derivatives with α,β‐unsaturated carbonyl compounds to give 1,3‐thiazines, the reaction of the cyclohexanones (I) with ammonium dithiocarbamate (II) is studied.
ChemInform Abstract: Reaction of Wittig Reagents with 4‐Benzylidene‐1,2‐diphenyl‐3,5‐pyrazolidenedione. Synthesis of Pyrazoline Phosphonium Ylide Derivatives.
Authors: SOLIMAN F. M. , SHABANA R. , EL‐KATEB A. A. , KHAIL K. M. , ABD‐EL‐NAIM G.
Published: May 2016

The methodology shown in the scheme represents a simple approach to phosphorus ylides which cannot be obtained by other conventional methods.
ChemInform Abstract: New Organic π‐Donors: Analogues of HMTSF and HMTTeF.
Authors: BAILEY A. B. , MCCULLOUGH R. D. , MAYS M. D. , COWAN D. O. , LERSTRUP K. A.
Published: May 2016

Application of a known one‐pot/five‐step reaction sequence consisting in two consecutive metal‐halogen exchange/chalcogen (II) insertion reactions, followed by coupling with tetrachloroethylene (III) yields the hexamethylenetetrachalcogenafulvalenes (IV).
ChemInform Abstract: Reactions of Dinuclear Metal Carbonyl α‐Diimine Complexes with Alkynes. Part 5. Reversible C‐C Coupling Reactions Between Alkynes and CO Ligands on Diiron α‐Diimine Complexes.
Authors: MULLER F. , HAN I. M. , VAN KOTEN G. , VRIEZE K. , HEIJDENRIJK D. , VAN MECHELEN J. , STAM C. H.
Published: May 2016

The diiron α‐diimine complex (II) as well as its iPr‐N=CH‐CH=N(iPr) and 2,2'‐bipyridyl analogues react with the alkynes (I) to give the complexes (III), (IV) and (V) in yields varying form < 5% to 75% in dependence on the nature of the α‐diimine ligand and the alkyne used.
ChemInform Abstract: Synthesis, Structure and Magnetic Properties of a New Chloro‐Bridged Dimeric Copper Complex, Bis(μ‐chloro)bis(8‐amino‐5‐aza‐4‐methyl‐3‐octene‐2‐onato)dicopper(II).
Authors: KWIATKOWSKI E. , KWIATKOWSKI M. , OLECHNOWICZ A. , MROZINSKI J. , HO D. M. , DEUTSCH E.
Published: May 2016

The title complex (I) is prepared by 1:2 molar reaction of anhydrous Cu(II) chloride with 8‐amino‐5‐aza‐4‐methyl‐3‐octene‐2‐one in MeOH and characterized by X‐ray structure analysis (space group P21/c, Z=2), EPR and IR spectra.
ChemInform Abstract: Synthesis of the Food Mutagens MeIQx and 4,8‐DiMeIQx by Copper(I) Promoted Quinoxaline Formation.
Authors: KNAPP S. , ZIV J. , ROSEN J. D.
Published: May 2016

The synthesis of the title compounds (VI) and (X) is achieved via the key step A), i.e. a new intramolecular amination/aromatization process.
ChemInform Abstract: Novel Ternary Stannides of Scandium and Cobalt (Nickel, Copper).
Authors: KOTUR B. YA. , KLYUCHKA I. P.
Published: May 2016

The title alloys ScMSn (M: Co, Ni, Cu), ScM2Sn (M: Co, Ni) and ScM4Sn (M: Ni, Cu) are prepared and their structure types are determined.
ChemInform Abstract: The Diffusion of Sulfur in Polycrystalline and Monocrystalline Cr2O3
Authors: BENLYAMANI M. , AJERSCH F. , KENNEDY G.
Published: May 2016

is measured between 1173 and 1373 K using a radiotracer technique.
ChemInform Abstract: Anodic TiO2 Thin Films. Photoelectrochemical, Electrochemical, and Structural Study of Heat‐Treated and RuO2 Modified Films.
Authors: KOZLOWSKI M. R. , TYLER P. S. , SMYRL W. H. , ATANASOSKI R. T.
Published: May 2016

RuO2 films of nominal one monolayer thickness are deposited by thermal decomposition of RuCl3 on anodically grown polycrystalline TiO2 (rutile) films.
ChemInform Abstract: Manganese(III)‐Based Oxidative Free‐Radical Cyclizations. Oxidative Cyclization and Aromatization of 3‐Oxo‐6‐heptenoate Esters.
Authors: SNIDER B. B. , PATRICIA J. J.
Published: May 2016

3‐Oxo‐6‐heptenoates such as (I) or (III) undergo oxidative ring closure upon reaction with manganese triacetate in the presence of cupric acetate or lithium chloride, forming the 2‐hydroxybenzoate (II) and (IV) respectively.
ChemInform Abstract: Tautomerism of O‐Alkylidenepropanedinitrile and O‐Alkylidenecyanamide Groups in O‐Substituted Acetylacetones.
Authors: HARTKE K. , RICHTER W. F. , KAEMPCHEN T. +
Published: May 2016

The Z isomers (IV), (VIII) and (XI) display degenerate migration of the O‐substituent via intermediates of type (V).
ChemInform Abstract: Asymmetric Hydrocyanation of a Range of Aromatic and Aliphatic Aldehydes.
Authors: MATTHEWS B. R. , JACKSON W. R. , JAYATILAKE G. S. , WILSHIRE C. , JACOBS H. A.
Published: May 2016

A range of ca. 60 aryl, alky and heterocyclic aldehydes such as (I) is treated with HCN (II) in the presence of the Inoue catalyst.
ChemInform Abstract: Ketene Chemistry. Part 2. A General Procedure for the Synthesis of 2‐Alkoxycyclopropanecarboxylic Esters and Acids Starting from Aldehydes and Ketenes.
Authors: RASMUSSEN P. B. , BOEWADT S.
Published: May 2016

Lewis acid‐catalyzed reaction of the α‐halo acetals (I) with ketene (II) produces the β‐methoxycarboxylates (III) which are cyclized upon treatment with bases, forming the cyclopropane derivatives (IV).
ChemInform Abstract: Synthesis of Bridged (4.3.3)Oxapropellanes by Angular Condensation of Ethyl Tricyclodecadienone‐2‐carboxylate and Their Thermal Conversion into Lactone Anellated Cyclopentenones.
Authors: LANGE J. H. M. , KLUNDER A. J. H. , ZWANENBURG B.
Published: May 2016

The tricyclic ester (I) mentioned in the title is coupled with the carbonyl compounds (II) to form the γ‐lactones (IV) via the carbinols (III).
ChemInform Abstract: Synthesis of Ethyl 2‐((1‐Aryl‐1H‐1,2,4‐triazol‐3‐yl)oxy)propionates and Related Derivatives.
Authors: BECK J. R. , BABBITT G. E. , LYNCH M. P.
Published: May 2016

The hydroxytriazoles (III), prepared by cyclocondensation of the semicarbazides (I) and the ortho ester (II), are coupled with the bromopropionic ester (IV) to form the ethers (V).
ChemInform Abstract: Formation of the Cyclotetraphosphanes cis‐ und trans‐P4(SiMe3)2(CMe3)2 in the Reaction of (Me3C)PCl2 with LiP(SiMe3)2·2 THF.
Authors: FRITZ G. , FLEISCHER H.
Published: May 2016

The mechanism of the title reaction is investigated.
ChemInform Abstract: Acetylacetone Complexes of Tetravalent Molybdenum.
Authors: SARKAR M. , SEN S.
Published: May 2016

Some new complexes of Mo(IV) containing acetylacetone in different forms are synthesized.
ChemInform Abstract: Synthesis of Nonproteinogenic Amino Acids. Part 3. Conversion of Glutamic Acid into γ,δ‐Unsaturated α‐Amino Acids.
Authors: BALDWIN J. E. , NORTH M. , FLINN A. , MOLONEY M. G.
Published: May 2016

Glutamic acid derivatives of type (I), described in the preceding abstract, are converted to the corresponding hydroxyacids and thence to the target alkenes (II), from which the free amino acids are accessible by treatment with TFA.
ChemInform Abstract: Deposition Parameters Controlling CVD of TiC on Steel.
Authors: DERRE A. , DUCARROIR M. , TEYSSANDIER F.
Published: May 2016

Temp., deposition time, molar fraction of CH4 and total flow rate are found to be the most important parameters in controlling chemical vapor deposition of TiC on steel with respect to weight increase, thickness, and efficiency.
ChemInform Abstract: Di‐ and Trinuclear Fluorooxoanions of Vanadium. Crystal Structures of Cs(NMe4)(V2O2F8(H2O)) and (Na,K)(NMe4)2(V3O3F12).
Authors: HILBERS M. , LEIMKUEHLER M. + , MATTES R.
Published: May 2016

The compounds (I)‐(IV) are prepared by reaction of V2O5 with 40% HF in the presence of suitable amounts of the corresponding cations.
ChemInform Abstract: Ionic Conductivity of the Lithium Titanium Phosphate (Li1+xMxTi2‐x(PO4)3, M: Al, Sc, Y, and La) Systems.
Authors: AONO H. , SUGIMOTO E. , SADAOKA Y. , IMANAKA N. , ADACHI G.
Published: May 2016

It is demonstrated that substitution of Al, Sc, Y, or La for Ti in LiTi2(PO4)3 greatly increases the conductivity.
ChemInform Abstract: Nonflow Zinc/Halogen Storage Cell Made of Thin Film Composite.
Authors: MANASSEN J. , CABASSO I.
Published: May 2016

Semi‐solid zinc halide cells in the form of thin laminated composites are developed and shown to deliver hundreds of discharge/charge cycles with high efficiency and without changes in the performance.
ChemInform Abstract: Electrolytic Hydrogenation and Amorphization of Pd‐Zr Alloys.
Authors: HUOT J. Y. , VAN NESTE A. , BROSSARD L. , SCHULZ R.
Published: May 2016

A new technique of synthesizing amorphous Pd‐Zr alloys via electrolytic hydrogenation of fcc‐Pd0.21Zr0.79 in acidic solutions is presented.
ChemInform Abstract: Electrodeposition of an Aluminum‐Manganese Metallic Glass from Molten Salts.
Authors: STAFFORD G. R.
Published: May 2016

Binary aluminum‐manganese alloys are deposited from chloroaluminate molten salts (AlCl3, MnCl2, and NaCl).
ChemInform Abstract: The Oxidation Reaction of Lead Sulfate Formed at the Interface Between the Grid and the Active Material.
Authors: TAKEHARA Z. , KANAMURA K. , KAWANAMI M.
Published: May 2016

Lead dioxide film electrodes are prepared using gold substrates and discharged in H2SO4 under different conditions.
ChemInform Abstract: Regular Octahedral Coordination of As(III) in the Anion (As3Br12)3‐ Structural Correlation of the Antibonding Influence of the As4s‐Orbital in Bromoarsenates(III).
Authors: SHELDRICK W. S. , HORN C.
Published: May 2016

The complexes (III), (V), and (VII) are prepared according to the scheme and their crystal structures are studied ((III): triclinic, P1, Z=3; (Va): P1, Z=1; (Vb): orthorhombic, Pbca, Z=4; (VII): monoclinic, P21/c, Z=4).
ChemInform Abstract: Preparation and Vibrational Spectra of Fluoro‐Chloro‐Platinates(IV) Including Stereoisomers.
Authors: PREETZ W. , ERLHOEFER P. +
Published: May 2016

The reaction of (PtCl6)2‐ with BrF3 yields the mixed complexes (PtFnCl6‐n)2‐ with n = 1‐5; the product distribution depends on the reaction temp. and time.
ChemInform Abstract: Stereoselective Alkylation of Glycine Units in Dipeptide Derivatives: “Chirality Transfer” via a Pivalaldehyde N,N‐Acetal Center.
Authors: POLT R. , SEEBACH D.
Published: May 2016

The glycylglycine ester (I) is converted into the racemic pivalaldehyde N,N‐acetal (V), whose lithium enolate undergoes diastereoselective alkylation to give the products (VI).
ChemInform Abstract: Cyclic Ether Formation in Superacid Media.
Authors: CARR G. , WHITTAKER D.
Published: May 2016

Five‐membered ether rings as in (II) and (V)/(VI) are readily formed by generation of a carbocation center from a tert. alcohol followed by its migration and interaction with a prim. hydroxy group, the rate of the reaction being comparable to that of a 1,2‐methyl shift.
ChemInform Abstract: Five‐Membered 2,3‐Dioxoheterocycles. Part 8. Recyclization of 5‐Aryl‐2,3‐dihydrofuran‐2,3‐diones with Amidoximes and Hydroxyurea.
Authors: KRYLOVA I. V. , NEKRASOV D. D. , ANDREICHIKOV YU. S.
Published: May 2016

The arylfurandiones (I) are coupled with the amidoximes (II) and (IV) or hydroxyurea (VI) to give the oxadiazoles (III), the pyrazinones (V), or the imidazolediones (VII).
ChemInform Abstract: Regiospecific (2+2) Photoaddition of Phenyl‐Substituted Acetylenes to Pentafluoropyridine.
Authors: SKET B. , ZUPAN M.
Published: May 2016

The photocycloaddition of the pyridine (I) with the phenyl‐substituted acetylenes (V) and (IX) is found to lead first to formation of the cycloadducts (II) and (VI), respectively.
ChemInform Abstract: Stereoselective Synthesis of 2Z,4E‐Dienals by Addition of Organometallic Reagents to Pyrylium Perchlorate.
Authors: FURBER M. , HERBERT J. M. , TAYLOR R. J. K.
Published: May 2016

The title procedure represents a novel five‐carbon homologation of organometallic reagents and proceeds by addition of these reagents at C‐2 of (III) followed by electrocyclic ring‐opening.
ChemInform Abstract: A Novel Route for Progenitors of Carbazoles with a View to Study Larvicidal Properties.
Authors: CHOUDHURY B. , CHOUDHURY B. R. , DAS B. P.
Published: May 2016

Diazotization and decarboxylation of the anthranilic acid (I) in chloroform give a small amount of N‐phenylanthranilic acid (III) via benzyne (II).
ChemInform Abstract: Reaction of Isocyanides. Part 3. Synthesis of β‐Alkoxyimidoyl Cyanides from Acetals.
Authors: PELLISSIER H. , GIL G.
Published: May 2016

The acetals (I) react with tert‐butyl isocyanide (II) in the presence of diethylaluminum chloride to give the α‐imino‐β‐methoxy cyanides (IV) via the intermediates (III).
ChemInform Abstract: Synthesis and Antiviral Activity of Cinnamic Acid Derivatives.
Authors: STANKYAVICHYUS A. P. , STANKYAVICHENE L. M. M. , SAPRAGONENE M. S. , KOROBCHENKO L. V. , BOREKO E. I. , VLADYKO G. V.
Published: May 2016

Treatment of the nitrosonaphthols (III) with benzenesulfonic chloride in the presence of alkali gives the cis‐cinnamic acids (IV).
ChemInform Abstract: New Palladium‐Mediated Cyclopentanation of Alkenes Bearing a δ‐Nucleophilic Substituent.
Authors: FOURNET G. , BALME G. , GORE J.
Published: May 2016

The 2‐(pentenyl)‐1,3‐dicarbonyl compounds (I) are deprotonated and then treated with phenyl iodide in the presence of a palladium catalyst, forming the benzylcyclopentane derivatives (III).
ChemInform Abstract: Dehydrogenation of α,β‐Unsaturated Carbonyl Compounds with Thallium(III) Acetate.
Authors: BANERJEE A. K. , CARRASCO M. C. , PENA‐MATHEUD C. A.
Published: May 2016

Thallium(III) acetate acts as dehydrogenating agent in the reaction with the ketone (I).
ChemInform Abstract: Bromination of (1RS,2RS,5RS)‐2,3‐Dibromo‐6,7‐benzobicyclo(3.2.1)octa‐3,6‐diene. A New and Convenient Synthesis of Disubstituted Benzobarrelenes.
Authors: CAKMAK O. , BALCI M.
Published: May 2016

The bromination of the unsaturated dibromide (I) mentioned in the title is performed under two conditions: Whereas irradiation with sun light at room temperature results in the formation of a complex mixture of the tetrabromides (II) and (IV) ‐ (VI), the tribromide (III) and the dibromo ketones (VII), bromination at ‐20°C in the darkness only yields the rearranged tetrabromobenzobicyclo(2.2.2)octene (VI).
ChemInform Abstract: A New Series of Tricyclic (Aryloximino)propanolamines Displaying Very High Selective β2‐Blocking Properties.
Authors: JAMART‐GREGOIRE B. , CAUBERE P. , BLANC M. , GNASSOUNOU J.‐P. , ADVENIER C.
Published: May 2016

The known acetals (I) are treated with hydrochloric acid to give the indanones (II) which are converted into the oximes (IV) by reaction with hydroxylamine hydrate (III).
ChemInform Abstract: Synthesis of (.+‐.)‐11‐Deoxydaunomycinone and 4‐Demethoxy Analogue by Sequential Diels‐Alder Cycloadditions.
Authors: LAUGRAUD S. , GUINGANT A. , D'ANGELO J.
Published: May 2016

The key steps in the synthesis of the deoxydaunomycinone precursors (X) are two Diels‐Alder cycloaddition steps with the siloxybutadienes (II) or (V).
ChemInform Abstract: Synthesis and Antiviral Activity of 5‐Hydroxyindole Derivatives.
Authors: PANISHEVA E. K. , MIKEROVA N. I. , NIKOLAEVA I. S. , FOMINA A. N. , CHERKASOVA A. A. , GOLOVANOVA E. A. , KRYLOVA L. YU.
Published: May 2016

Starting with the 5‐acetoxyindoles (I), the derivatives (II), (IV), (VI), (VII), (IX), and (X) are prepared by common methods.
ChemInform Abstract: Homochiral Ketals in Organic Synthesis. Diastereoselective Cyclopropanation of α,β‐Unsaturated Ketals Derived from (S,S)‐(‐)‐Hydrobenzoin.
Authors: MASH E. A. , TOROK D. S.
Published: May 2016

The cyclic enones (I) are converted to the chiral acetals (III) which are treated with Simmons‐Smith reagent, producing a mixture of the compounds (V) and (VI) with strong predominance of the diastereomers (V).
ChemInform Abstract: (1)Benzopyrano(4,3‐c)pyrazoles by Intramolecular Nitrile Imine Addition to Acetylenes.
Authors: JANIETZ D. , RUDORF W.‐D.
Published: May 2016

Under the conditions shown, the aldehydes (I) react to give the fused heterocycles (III).
ChemInform Abstract: Chiral Dipole‐Stabilized Anions: Experiment and Theory in Nonbenzylic Systems. 100% Stereoselective Deprotonation and Two‐Electron vs Single‐Electron Transfer in the Chemistry of Lithium and Copper Piperidinooxazolines.
Authors: GAWLEY R. E. , HART G. C. , BARTOLOTTI L. J.
Published: May 2016

The optically active piperidinyloxazoline (V) is selectively lithiated and then quenched with various electrophiles, e.g. the halides (VIII) or (XI), to yield the substituted piperidines (IX) or (XII), together with the oxidation product (X).
ChemInform Abstract: Stereochemical Aspects of the “tert‐Amino Effect”. Part 2. Enantio‐ and Diastereoselectivity in the Synthesis of Quinolines, Pyrrolo(1,2‐a)quinolines, and (1,4)Oxazino(4,3‐a)quinolines.
Authors: NIJHUIS W. H. N. , VERBOOM W. , EL‐FADL A. A. , VAN HUMMEL G. J. , REINHOUDT D. N.
Published: May 2016

2‐Fluorobenzaldehyde (Ia) and the related acetophenone (Ib) undergo substitution reaction with the secondary amine (II) or the morpholines (VI), yielding the 2‐aminobenzaldehydes or o‐aminoacetophenones (III) and (VII).
ChemInform Abstract: A Convenient New Route from Diphosphene to 1,3‐Diphosphaallene and Dynamic NMR Studies of the 2,4,6‐Tri‐tert‐butylphenyl Derivative.
Authors: YOSHIFUJI M. , SASAKI S. , NIITSU T. , INAMOTO N.
Published: May 2016

The dihalodiphosphiranes (III), prepared from the diphosphene (I) and dihalocarbenes, are cleaved upon treatment with methyl‐ or butyllithium, yielding the diphosphaallene (IV).
ChemInform Abstract: Reactions of Benzothiete with Phosphorus Nucleophiles. A Novel Type of Arbuzov Rearrangement.
Authors: NIEDERMANN H.‐P. , ECKES H.‐L. , MEIER H.
Published: May 2016

Benzothiete (I), which is a precursor of the reactive methylene thioketone (II), is coupled with the trialkyl phosphites (III) or phosphorus trichloride (V) and the alcohols (VI) to form the phosphonates (IV) or (VII).
ChemInform Abstract: Free‐Radical Selenosulfonation of Vinylcyclopropanes, a Cyclopropylidene, and Cyclopropylacetylene. Relative Rates of Chain‐Transfer, Ring‐Opening, and Inversion in Radical Intermediates.
Authors: BACK T. G. , MURALIDHARAN K. R.
Published: May 2016

Photochemically or thermally induced reaction of the vinylcyclopropanes (I) or the cyclopropylidene (IX) with the phenylseleno tosylate (II) results in ring cleavage, forming the unsaturated seleno sulfones (III) or (X) which undergo oxidative selenoxide elimination to give the sulfonyldienes (IV) or (XI).
ChemInform Abstract: Reductive Dimerization of a Phosphaalkyne by Complexation on Samarium.
Authors: RECKNAGEL A. , STALKE D. , ROESKY H. W. , EDELMANN F. T.
Published: May 2016

The air‐sensitive compound (III) is characterized by 1H and 39P NMR spectroscopic data and an X‐ray structure analysis (space group C2/c with Z = 8).
ChemInform Abstract: New Classes of Monomeric and Dimeric Square‐Planar Chromium(II) Aryloxides: Syntheses and Structures.
Authors: EDEMA J. J. H. , GAMBAROTTA S. , VAN BOLHUIS F. , SMEETS W. J. J. , SPEK A. L.
Published: May 2016

The title complexes can be prepared as shown in the scheme.
ChemInform Abstract: Transition Metal Complexes with the Thiosemicarbazide‐Based Ligands. Part 6. Nickel and Zinc Complexes with S‐Alkylisothiosemicarbazides.
Authors: LEOVAC V. M. , PETROVIC A. F. , LUKIC S. R. , CARIC S.
Published: May 2016

The Ni complexes (IV) are transformed by isothermal heating to give (V) or (VI) due to the different stability of the parent compounds.
ChemInform Abstract: Metal‐Mediated Addition of Alcohols to Dicyanodiamide.
Authors: RAY R. K. , BANDYOPADHYAY M. K. , KAUFFMAN G. B.
Published: May 2016

If dicyanodiamide (I) is refluxed with the alcohols (III) in the presence of Cu, Ni or Pd salts, addition occurs with formation of the 1‐amidino‐O‐alkylurea sulfates (IV).
ChemInform Abstract: (Cyclopentadienyl)ruthenium Complexes of 3‐Methoxyestrone: A High‐Field NMR and X‐Ray Crystallographic Study.
Authors: MORIARTY R. M. , KU Y.‐Y. , GILL U. S. , GILARDI R. , PERRIER R. E. , MCGLINCHEY M. J.
Published: May 2016

The thermal ligand exchange reaction between the complex (II) and the estrone 3‐methyl ether (I) yields a mixture of the α‐ and β‐stereoisomers (III) and (IV).
ChemInform Abstract: Reactions of Dinuclear Metal Carbonyl α‐Diimine Complexes with Alkynes. Part 6. Reactions of (N,N′‐Diisopropyl‐1,4‐diaza‐1,3‐butadiene)ironruthenium Hexacarbonyl with Alkynes.
Authors: MULLER F. , VAN KOTEN G. , KRAAKMAN M. J. A. , VRIEZE K. , ZOET R. , DUINEVELD K. A. A. , HEIJDENRIJK D. , STAM C. H. , ZOUTBERG M. C.
Published: May 2016

The reactions of the title complex (I) with the alkynes (II), (VI), and (IX) lead to the products (III) and (IV), (VIIa+b) and (VIIIa+b), and (X)‐(XII) as demonstrated in the scheme.
ChemInform Abstract: Transformation of a Trialkynylphosphine Oxide to a 2‐Alkylidene‐1,2‐dihydro‐3‐phosphete P‐Oxide Ligand by Pt‐H Addition and Rearrangement Reactions. Activation of Molecular Hydrogen by a Platinum(II) Complex.
Authors: LUKEHART C. M. , MCPHAIL A. T. , MCPHAIL D. R. , MYERS J. B. JUN. , SONI H. K.
Published: May 2016

Addition of the Pt‐H bond of the trans‐complex (I) to the C≡C triple bond of the alkynyl substituent of the phosphine oxide (II) occurs regioselectively to give the Pt, P μ‐alkenylidene complex (III).
ChemInform Abstract: 8,16‐ and 8,18‐Methanobacteriorhodopsin. Synthesis and Spectroscopy of 8,16‐ and 8,18‐Methanoretinal and Their Interaction with Bacterioopsin.
Authors: VAN DER STEEN R. , BIESHEUVEL P. L. , ERKELENS C. , MATHIES R. A. , LUGTENBURG J.
Published: May 2016

The title compounds (VII) and (XI) with a locked 6‐s‐trans and 6‐s‐cis conformation are synthesized and characterized.
ChemInform Abstract: Synthesis of Steroidal Extranucleo N‐Phenyloxazolidones of Androstane Series.
Authors: SIDDIQUI A. H. , RAO K. V. , REDDY K. V.
Published: May 2016

The androstenes (I) react consecutively with hydrazine hydrate (II) and the isocyanate (III) to give the semicarbazones (IV).
ChemInform Abstract: Synthesis of Steroidal Extranucleo Thiazolidones of Cholestane Series.
Authors: SIDDIQUI A. H. , RAO K. V. , RAO R. K.
Published: May 2016

The cholestane (I) reacts with hydrazine hydrate (II) and subsequently with ammonium thiocyanate (III) to yield the thiosemicarbazone (IV).
ChemInform Abstract: Propyl Derivatives of Enalapril as Potential Angiotensin Converting Enzyme Inhibitors.
Authors: CIABATTI R. , TARZIA G. , BATTAGLIA F. , BARONE D. , BALDOLI E.
Published: May 2016

The proline ester (I) is alkylated with the bromo esters (II) and the diastereomeric diesters (III) are separated.
ChemInform Abstract: Stereoselective C‐C Bond Formation of Carbohydrates by Radical Cyclization Reactions. Part 2.
Authors: DE MESMAEKER A. , HOFFMANN P. , ERNST B.
Published: May 2016

The glycal (I) is converted to the iodinated propargylic ethers (III) which undergo radical‐induced cyclization, forming the bicyclic methylene acetals (IV).
ChemInform Abstract: Semisynthetic Macrolide Antibacterials Derived from Tylosin. Synthesis of 23‐O‐Demycinosyltylosin and Related Compounds.
Authors: MALLAMS A. K. , ROSSMAN R. R.
Published: May 2016

Tylosin (Ia) is transformed to 23‐O‐demycinosyltylosin (Ic) (23‐DMT) and a number of 23‐DMT acyl derivatives, e.g. (V), and 23‐DMT hydrazones such as (VII).
ChemInform Abstract: Welding of YBa2Cu3O7‐x Superconductor.
Authors: TZENG Y.
Published: May 2016

It is demonstrated that a high performance contact between two small samples (0.6·1.0·10 mm) of the high temp. superconductor of the title can be obtained by means of a welding technique.
ChemInform Abstract: Fermi Level Pinning of Semiconductor Electrodes in Aqueous and Non Aqueous Electrolytes: Influence of the Modification of the Electrode Surface.
Authors: SAVADOGO O.
Published: May 2016

The photoelectrochemical behavior of several semiconductors (n‐ and p‐GaAs, n‐ and p‐InP, n‐ and p‐Si, and n‐GaP) modified with H4SiW12O40·nH2O is studied.
ChemInform Abstract: Preparation of WO3/TiO2 and WO3/Al2O3 and Characterization by Temperature‐Programmed Reduction.
Authors: VERMAIRE D. C. , VAN BERGE P. C.
Published: May 2016

The title catalysts are prepared by means of an equilibrium adsorption technique using tungstate solutions of varying pH values and concentrations to control the tungsten loading.
ChemInform Abstract: The Role of Tellurium and Antimony in PtTe/Al2O3 and PtSb/Al2O3 Reforming Catalysts
Authors: CHENG C. H. , DOOLEY K. M. , PRICE G. L.
Published: May 2016

is studied using the n‐hexane isomerization, aromatization, and hydrocracking reactions at 673 K and the cyclohexane dehydrogenation at 573 K as test reactions.
ChemInform Abstract: A Study of Phosphate‐Modified TiO2 (Anatase)
Authors: HADJIIVANOV K. I. , KLISSURSKI D. G. , DAVYDOV A. A.
Published: May 2016

by means of IR, XPS, X‐ray phase analysis, SEM, AAS shows strongly surface bonded phosphate anions, which are stable even at the temp. of anatase‐rutile transition.
ChemInform Abstract: Photoredox Processes in the 254‐nm Photochemistry of Chromium(III) Ammine Complexes.
Authors: RUMINSKI R. R. , HEALY M. H. , COLEMAN W. F.
Published: May 2016

The factors influencing the formation of Cr(VI) products during the charge‐transfer photolysis of six Cr(III)‐ammine complexes are studied (e.g.
ChemInform Abstract: Synthesis and Characterization of New Hydrazinium(2+) and Hydrazinium(1+) Hexafluorophosphates and Hydrazinium(1+) Hexafluoroarsenate.
Authors: GANTAR D. , RAHTEN A. , VOLAVSEK B.
Published: May 2016

The IR spectra of the compounds (III), (IV), (V), (VI), and (VIII) are reported.
ChemInform Abstract: Molecular and Crystal Structure of 1‐(4‐Chlorophenyl)‐5‐(2‐dimethylaminovinyl)‐1H‐tetrazole: a Vinylogous 5‐Amino‐1H‐tetrazole Derivative
Authors: SIELER J. , MAARTMANN‐MOE K. , FISCHER G. W.
Published: May 2016

(i.e.
ChemInform Abstract: Bonding in Tris(η5‐cyclopentadienyl) Actinoid Complexes. Part 3. Interaction of π‐Neutral, π‐Acidic, and π‐Basic Ligands with (η5‐C5H5)3U.
Authors: BURSTEN B. E. , RHODES L. F. , STRITTMATTER R. J.
Published: May 2016

Quantitative investigations of the electronic structure of the title compound via Xα‐SW MO calculations are given.
ChemInform Abstract: Hydrogen Promoted Ethylene Homologation Reaction on Molybdena Silica Catalyst.
Authors: SUZUKI T. , HIRAI T. , HAYASHI S.
Published: May 2016

The title reaction is carried out in the presence of a reduced MoO3/SiO2 catalyst.
ChemInform Abstract: 1,2‐Bond Shift Isomerization of Oxiranes on Copper‐Graphimet.
Authors: MOLNAR A. , MASTALIR A. , BARTOK M.
Published: May 2016

Treatment of 2,2,3,3‐tetramethyloxirane (I) with various catalysts, e.g., copper intercalated graphite, Raney‐type copper, copper on colloidal silica, or solely silica, results in formation of the olefins (II) and (III), tert‐butyl methyl ketone (IV), and 2,3‐dimethylbut‐3‐en‐2‐ol (V).
ChemInform Abstract: Alkylation of Ethyl 4,4,4‐Trifluoroacetoacetate. First Example of a Reversible O‐Alkylation Process Leading to C‐Alkylation.
Authors: BEGUE J.‐P. , CHARPENTIER‐MORIZE M. , NEE G.
Published: May 2016

Ethyl 4,4,4‐trifluoroacetoacetate (I) reacts with the alkyl halides (II) to give the C‐alkylation products (III) and (IV), together with the enol ethers (V).
ChemInform Abstract: Cyclophanes. Part 28. Syn‐ and anti‐(2.2)Orthometacyclophane.
Authors: BODWELL G. , ERNST L. , HAENEL M. W. , HOPF H.
Published: May 2016

Thermolysis of the disulfone (III) yields the title compound (VI) together with the cycloheptadienes (IV) and (V).
ChemInform Abstract: Intramolecular Ene Approach to Stereocontrol Over Three Contiguous Chiral Centers.
Authors: MIKAMI K. , TAKAHASHI K. , NAKAI T.
Published: May 2016

The four isomeric diallyl ethers (I), (VI), (VIIa), and (VIIb) are cyclized at 200°C to form the diastereomeric vinyltetrahydrofurans (II) ‐(V).
ChemInform Abstract: NMR Spectra of Cyclic Nitrones. Part 4. Synthesis and 13C NMR Spectra of 4H‐Imidazole N‐Oxides and N,N‐Dioxides.
Authors: GRIGOR'EV I. A. , KIRILYUK L. A. , VOLODARSKII L. B.
Published: May 2016

Oxidation of the 1‐hydroxy‐3‐imidazoline 3‐oxides (I) or the 1‐hydroxy‐3‐imidazolines (IIIa) and (IIIc) gives the dioxides (II) or the 4H‐imidazole 3‐monoxides (IVa) and (IVc).
ChemInform Abstract: An Unusual Transformation of Aminoazidofurazan into the 1‐Hydroxy‐5‐cyanotetrazole Sodium Salt.
Authors: CHURAKOV A. M. , IOFFE S. L. , KUZ'MIN V. S. , STRELENKO YU. A. , STRUCHKOV YU. T. , TARTAKOVSKII V. A.
Published: May 2016

Aminoazidofurazan (I) reacts with sodium nitrite (II) to give the 1‐hydroxy‐5‐cyanotetrazole sodium salt (III).
ChemInform Abstract: Radical Cyclization of Some Unsaturated Carbohydrate Derived Acetals.
Authors: CHAPLEUR Y. , MOUFID N.
Published: May 2016

Radical‐promoted cyclization of haloacetals such as (I) or (III) gives bicyclic tetrahydrofurans such as (II), (IV), and (V).
ChemInform Abstract: New Stable Nitroxyl Radicals in the Hydroquinoline Series.
Authors: SHIKHALIEV KH. S. , SHAPIRO A. B. , SUSKINA V. I. , SHMYREVA ZH. V. , ZALUKAEV L. P.
Published: May 2016

The trityldihydroquinoline (III), prepared from the dihydroquinoline (I) and trityl alcohol (II), is oxidized to produce the nitroxyl (IV).
ChemInform Abstract: A New Synthetic Method for the Preparation of 5‐Deazaflavins and 5‐Deaza‐10‐oxaflavins.
Authors: CHEN X. , NAGATA M. , TANAKA K. , YONEDA F.
Published: May 2016

The o‐aminobenzyl alcohols (II) are cyclized with 3‐methyl‐6‐chlorouracil (Ia) to give the methyldeazaflavins (III).
ChemInform Abstract: Synthesis of 3‐Amino and 3‐Alkylamino‐Substituted Isofervenulins. The First Direct Amination of the 1,2,4‐Triazine Ring in Position 3.
Authors: POZHARSKII A. F. , GULEVSKAYA A. V. , KUZ'MENKO V. V.
Published: May 2016

Isofervenulin (I) is coupled with the amines (II) in the presence of a permanganate to give the 3‐amino derivatives (III).
ChemInform Abstract: 1,3‐Dipolar Addition of Benzonitrile Oxides to 4(7)‐Methyl‐ and 5(6)‐Methyl‐2‐chloromethyl‐1H‐benzimidazoles ‐ Synthesis of Some New 4‐Aryl‐1H‐(1,2,4)oxadiazino(4,5‐a)benzimidazoles.
Authors: REDDY P. S. N. , RAO B. R. , MOHIUDDIN G.
Published: May 2016

In order to understand the effect of a methyl substituent on the benzimidazole‐benzonitrile oxide addition reaction, the reactions of the benzimidazoles (I) and (V) with the chlorides (II) are investigated.
ChemInform Abstract: Enantioselective Synthesis of Oxa‐Spiro Compounds.
Authors: DESMAELE D. , D'ANGELO J.
Published: May 2016

The chiral imines (III), derived from the alkoxycyclohexanones (I), undergo Michael addition to the α,β‐unsaturated carbonyl compounds (IV), yielding the adducts (V).
ChemInform Abstract: Synthesis of an Oxygen‐Bridged Hydroxy(15)annulenone: The Effects of Introducing One Hydroxy Group into the Flexible Segment of a 14π Perimeter.
Authors: OGAWA H. , INOUE M. , IMOTO T. , MIYAMOTO I. , KATO H. , TANIGUCHI Y. , NOGAMI Y. , KOGA T.
Published: May 2016

Bromination of the annulenone (I) with N‐bromosuccinimide and subsequent substitution of the bromide (II) with the sodium alkoxide (III) yield the alkoxyannulenone (IV).
ChemInform Abstract: A New Access to Halogenated Carboranes.
Authors: HAUBOLD W. , KELLER W.
Published: May 2016

The pyrolysis of tetrahalodiboranes in the presence of halogenated carbon compounds is described.
ChemInform Abstract: The Chemistry of α‐Silylcarbonyl Compounds. Part 19. A Regio‐ and Stereoselective Synthesis of Z‐Enol Methyldiphenylsilyl Ethers.
Authors: LARSON G. L. , BERRIOS R. , PRIETO J. A.
Published: May 2016

The esters (I) are α‐silylated and then treated with the Grignard agents (IV) to form the α‐silyl ketones (V).
ChemInform Abstract: A New Family of Aromatic Polyimine Chelates Substituted with Two Diphenylphosphines.
Authors: ZEISSEL R.
Published: May 2016

2,7‐Dichloronaphthyridine (I) reacts with lithium diphenylphosphide (II) to yield the bis(diphenylphosphino)naphthyridine (III).
ChemInform Abstract: Comparison Between Alkylseleno, Arylseleno and Arylthio Substituents Stabilizing Alkyllithium Compounds.
Authors: KRIEF A. , DUMONT W. , CLAREMBEAU M. , BADAOUI E.
Published: May 2016

The chemoselective cleavage of C‐Se bonds in selenoacetals by treatment with butyl‐Li compounds is studied for various α‐methyl and α‐phenylselenoacetals and compared to C‐S bond cleavage in analogous S,Se acetals.
ChemInform Abstract: Complexation of 137Cs by the Cap Dyes of the Cep (Cerocomus badius).
Authors: AUMANN D. C. , CLOOTH G. , STEFFAN B. , STEGLICH W.
Published: May 2016

Investigations on the radionuclide content of mushrooms after the reactor accident of Tschernobyl have shown that the cep (Cerocomus badius) contained much more 137Cs than the closely related edible bolete (Boletus edulis).
ChemInform Abstract: New Types of Organometallic Oxo Complexes Containing Molybdenum and Tungsten.
Authors: LEGZDINS P. , PHILLIPS E. C. , SANCHEZ L.
Published: May 2016

The thermally stable title complexes of type (II) are obtained by treatment of the 16‐electron compounds (I) with excess O2 or, as shown for the example of (IIb), with H2O2 in stoichiometric amounts to prevent further conversion of the product to its oxo analogue such as (III).
ChemInform Abstract: Alkylcobalt Carbonyls. Part 9. Alkoxy‐, Silyloxy‐, and Hydroxy‐Substituted Methyl‐ and Acetylcobalt Carbonyls. Reduction of Formaldehyde to Methanol by Hydridocobalt Tetracarbonyl.
Authors: SISAK A. , SAMPAR‐SZERENCSES E. , GALAMB V. , NEMETH L. , UNGVARY F. , PALYI G.
Published: May 2016

The preparative routes leading to the title complexes are outlined in the scheme.
ChemInform Abstract: Novel Trinor‐Eremophilanes (Dendryphiellin B, C, and D), Eremophilanes (Dendryphiellin E, F, and G), and Branched C9‐Carboxylic Acids (Dendryphiellic Acid A and B) from the Marine Deuteromycete Dendryphiella salina (Sutherland) Pugh et Nicot
Authors: GUERRIERO A. , D'AMBROSIO M. , CUOMO V. , VANZANELLA F. , PIETRA F.
Published: May 2016

(i.e.
ChemInform Abstract: N‐(Deoxyguanosin‐8‐yl)aniline from the in‐vitro Reaction of N‐Acetoxyaniline with Deoxyguanosine and DNA.
Authors: FAMULOK M. , BOCHE G.
Published: May 2016

N‐Acetoxyaniline (III), the isolation and characterization of which is described for the first time, reacts with both pure deoxyguanosine and deoxyguanosine bound on DNA to give the adduct (IV).
ChemInform Abstract: Synthesis of N‐Acetoxy‐2‐aminonaphthalene, an Ultimate Carcinogen of the Carcinogenic 2‐Naphtylamine, and Its in vitro Reactions with (Bio)‐Nucleophiles.
Authors: FAMULOK M. , BOSOLD F. , BOCHE G.
Published: May 2016

2‐Naphthylhydroxylamine (I) is treated with the acyl cyanides (II) to form the acetoxy‐ or pivaloyloxyaminonaphthalenes (III) which are aminolyzed with N‐methylaniline (IV) to give the substitution products (V) ‐ (VII).
ChemInform Abstract: Ab initio Study of Bridge Hydrogen Scrambling in B5H11, B6H10, and CB5H7.
Authors: MCKEE M. L.
Published: May 2016

For B5H11 a Cs symmetry is predicted to be 1.1 kcal/mol less stable than a C1 symmetry.
ChemInform Abstract: The Effect of Heat Treatment on Crack‐Resistance Curves in a Liquid‐Phase‐Sintered Alumina
Authors: BENNISON S. J. , CHAN H. M. , LAWN B. R.
Published: May 2016

is studied by the indentation‐strength technique.
ChemInform Abstract: 29Si Magic Angle Spinning NMR Study of Calcium Silicate Hydrates
Authors: GRUTZECK M. , BENESI A. , FANNING B.
Published: May 2016

reveals that two structurally distinct calcium‐silicate hydrate phases exist in the CaO‐SiO2‐H2O system at room temperature.
ChemInform Abstract: Field‐Forced Antiferroelectric‐to‐Ferroelectric Switching in Modified Lead Zirconate Titanate Stannate Ceramics.
Authors: PAN W. , ZHANG Q. , BHALLA A. , CROSS L. E.
Published: May 2016

In the family of modified Pb‐Zr‐Ti‐Sn switchable antiferroelectric ceramics, a maximum field‐induced longitudinal strain of 0.85% and volume expansion of 0.95% is observed for the composition Pb0.97La0.02(Zr0.66Ti0.09Sn0.25)O3 at room temperature.
ChemInform Abstract: Preparation and Properties of Hot‐Pressed YBa2Cu3O7‐x.
Authors: LOEHMAN R. E. , HAMMETTER W. F. , VENTURINI E. L. , MOORE R. H. , GERSTLE F. P. JUN.
Published: May 2016

Mixtures of Y2O3, Ba(NO3)2, and CuO are reacted at 925 °C in air and the resulting YBa2Cu3O7‐x powders are hot‐pressed in air or O2 (6.9 MPa, 950 °C, 30 min).
ChemInform Abstract: Preparation of Bi‐Sr‐Ca‐Cu‐O Thin Films by Sputtering Under a Variable Magnetic Field.
Authors: NAGATA H. , TAKANO A. , KAWASAKI M. , YOSHIMOTO M. , KOINUMA H.
Published: May 2016

Thin films (∼100 nm) having compositions close to Bi2Sr2Ca2Cu3Ox are deposited on Mg(100) by plasma‐controlled sputtering.
ChemInform Abstract: Composition and Structure of a Novel Solid Electrolyte: the Non‐Stoichiometric Triple Oxide Fluoride of Sodium, Magnesium and Titanium.
Authors: FILIPENKO O. S. , ATOVMYAN L. O. , NALBANDYAN V. B. , BIKYASHEV E. A.
Published: May 2016

In the course of investigations of the system Na2O‐MgO‐TiO2 the title compound is obtained as a by‐product.
ChemInform Abstract: Free Radical Addition of Alkanals to Acrolein Diacetate.
Authors: OGIBIN YU. N. , MOLOKANOV A. N. , NIKISHIN G. I.
Published: May 2016

The aldehydes (II) are coupled with acrolein diacetate (I) to give the 1,1‐diacetoxyalkan‐4‐ones (III), the protected form of 1,4‐dicarbonyl compounds.
ChemInform Abstract: Cocatalysis by an Internal Carboxyl Group and by α‐Cyclodextrin. The Debromination of 4‐Bromo‐4‐methyl‐2,5‐cyclohexadienone‐2‐carboxylic Acid.
Authors: TAKASAKI B. K. , TEE O. S.
Published: May 2016

The debromination of (II) by the cyclodextrin‐Br‐ complex is enhanced by a factor of 12·106 compared with the reaction of (I) with Br‐.
ChemInform Abstract: Oxychlorination of Alkenes by Chlorochromate Reagents: a Facile Preparation of α‐Chloro Ketones, and Competition by Substituent‐Directed Oxidation.
Authors: GUERRERO A. F. , KIM H. , SCHLECHT M. F.
Published: May 2016

Oxychlorination of alkenes with pyridinium chlorochromate is performed at reflux in methylene chloride, yielding α‐chloro ketones.
ChemInform Abstract: Reaction of Ethyl (N‐(Diethoxyphosphoryl))formamidate with Grignard Reagents: A New Approach to Electrophilic Amination.
Authors: ZAWADZKI S.
Published: May 2016

Reaction of the phosphoramidate (I) with the orthoformate (II) yields the formimidate (III) which is treated with Grignard agents such as (IV).
ChemInform Abstract: Synthesis and NMR Spectroscopy of Stable Isotope‐Labeled Phenols and L‐Tyrosines.
Authors: WINKEL C. , AARTS M. W. M. M. , VAN DER HEIDE F. R. , BUITENHUIS E. G. , LUGTENBURG J.
Published: May 2016

The syntheses of (17O)phenol from (17O)water, (18O)phenol from (18O)water, (1‐13C)‐ and (4‐13C)phenol from (2‐13C)acetone, and (2‐13C)‐ and (3‐13C)phenol from (1‐13C)acetone are described.
ChemInform Abstract: Mechanistic and Preparative Studies of the Intramolecular Photocyclization of Methylated 2‐(4‐Pentenyl)tropones.
Authors: FELDMAN K. S. , COME J. H. , KOSMIDER B. J. , SMITH P. M. , ROTELLA D. P. , WU M.‐J.
Published: May 2016

Irradiation of the 2‐(4‐pentenyl)tropones (I), (IV), and (VIII) at 350 nm leads to the formation of the regioisomeric (6π + 2π)cycloadducts (II) and (III), (V) and (VI), or (IX) and (X), together with the (8π + 2π)cycloadducts (VII) and (XI).
ChemInform Abstract: An Efficient, Highly Regioselective Synthesis of Substituted (1‐Cyclo‐hexenyl)acetic Acid Derivatives via Ionization/Elimination of β‐Lactones.
Authors: BLACK T. H. , MALULEKA S. L.
Published: May 2016

The β‐hydroxycarboxylic acids (III), prepared from cyclohexanone (I) and the dilithiocarboxylates (II), react with phenylsulfonyl chloride in pyridine to form the spirocyclic propiolactones (IV).
ChemInform Abstract: 2‐Azetidinones: Reaction of α‐Silylcarbanions with Carbonyl Compounds.
Authors: GUERTLER S. + , OTTO H.‐H.
Published: May 2016

The silylated β‐lactams (I) are lithiated and then coupled with the carbonyl compounds (IV) to yield the 3‐methylene‐β‐lactams (V) and (VI).
ChemInform Abstract: Intramolecular Cyclization of Dicobalt Hexacarbonyl Complexes of Allyl Propargyl Ethers on the Surface of Adsorbents. A Convenient Route for the Preparation of Substituted 3‐Oxabicyclo(3.3.0)octenes and 4‐Hydroxymethylcyclopentenones.
Authors: SMIT V. A. , SIMONYAN S. O. , TARASOV V. A. , GYBIN A. S. , MIKAELYAN G. L. , SHASHKOV A. S. , MAMYAN S. S. , IBRAGIMOV I. I. , KEIPL R.
Published: May 2016

The cobalt carbonyl complexes (I), prepared by common methods, are cyclized on wet silica gel in the presence of oxygen to give the oxabicyclooctanones (II).
ChemInform Abstract: Chemotherapeutic Agents. Part 15. Synthesis of 4‐Amino‐3‐pyrazolo‐1,2,4‐triazoles as Antimicrobial Agents.
Authors: RAM V. J. , MISHRA L. , KUSHWAHA D. S.
Published: May 2016

The triaminoguanidine (II) undergoes cyclization with the carboxylic acids (I) to give the aminohydrazinotriazoles (III) which form the aminopyrazolyltriazoles (V) upon cyclocondensation with the ethoxyacrylnitriles (IV).
ChemInform Abstract: Synthesis and Biological Activity of Some New 8‐Hydroxyquinolinesulfonamide Derivatives.
Authors: ABDEL HAFEZ A. A. , AWAD I. M. A. , HASSAN K. M.
Published: May 2016

Coupling of the sulfonyl hydrazide (I) with the aromatic aldehydes (II) yields the sulfonyl hydrazones (III) which react with ketene to form the β‐lactams (V).
ChemInform Abstract: Substituent‐Directed Oxidation: The syn‐Stereochemistry of Addition of High‐Valent Oxochromium Reagents to Alkenes.
Authors: SCHLECHT M. F. , KIM H.
Published: May 2016

Reaction of tetramethylzirconium (II) with cyclooct‐4‐en‐1‐one (I) leads to the formation of 1‐methylcyclooct‐4‐en‐1‐ol (III) which undergoes regiospecific cyclization upon oxidation with pyridinium chlorochromate to form the oxabicyclo(4.2.1)nonanone (IV).
ChemInform Abstract: A Convenient Route from Alkenylboranes to Alkenylstannanes.
Authors: WRACKMEYER B. , WAGNER K.
Published: May 2016

Alkenylboranes such as (I) (7 examples) react in hexane with the stannane (II) (or its diethylamino analogue) in the presence of a catalytic amount of a lithium amide to give (besides the aminodialkylboranes) the alkenylstannanes (III) with retention of the configuration at the C=C double bond.
ChemInform Abstract: Stereoselectivity in the Reduction of (Co(ox)3)3‐ by (Co(en)3)2+ and Its Derivatives.
Authors: MARUSAK R. A. , OSVATH P. , KEMPER M. , LAPPIN A. G.
Published: May 2016

The oxidation of Co(II) by tris(oxalato)cobaltate(III) in 1,2‐diaminoethane proceeds by parallel inner‐sphere and outer‐sphere pathways leading to (I) and (II).