bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: X‐Ray Crystallographic and Tungsten‐183 Nuclear Magnetic Resonance Structural Studies of the (M4(H2O)2(XW9O34)2)10‐ Heteropolyanions (M = Co(II) or Zn, X = P or As).
Authors: EVANS H. T. , TOURNE C. M. , TOURNE G. F. , WEAKLEY T. J. R.
Published: May 2016

K10(Co4(H2O)2(PW9O34)2)·22 H2O (I) and the isomorphous K10(Zn4(H2O)2(AsW9O34)2)·23 H2O (II) crystallize in the space group P21/n with Z=2.
ChemInform Abstract: Structure of the Intermediate Zr2Br2H by Neutron Diffraction and Its Structural and Bonding Relationships to Other Phases.
Authors: WIJEYESEKERA S. D. , CORBETT J. D.
Published: May 2016

The structure of the isomorphous Zr2Br2D and Zr2Br2H (C2/m, Z=4) consists of layers sequenced Br‐Zr‐H‐H‐Zr‐Br and arranged such that hydride lies in zigzag chains of distorted metal tetrahedra.
ChemInform Abstract: Time‐of‐Flight Powder Neutron Diffraction Studies of Dehydrated Synthetic Gallosilicate Zeolites X, XY, and Y.
Authors: NEWSAM J. M. , JACOBSON A. J. , VAUGHAN D. E. W.
Published: May 2016

The structures of the three faujasite framework zeolites NaxGaxSi192‐xO384 with x = 85 (type X), x = 72 (XY), and x = 57 (Y) are satisfactorily described in the space group Fd3m, indicating no long‐range order of Si and Ga.
ChemInform Abstract: Ternary AlB2‐Type Derivative Structures. Preparation and Crystal Structure of Ca(Eu)PtX (X: P, As, Sb), CaPtxP2‐x, EuPtxP(As)2‐x, and CaPtxAs0.9.
Authors: WENSKI G. , MEWIS A.
Published: May 2016

All the title compounds have been prepared by annealing stoichiometric mixtures of the elements in an argon atmosphere.
ChemInform Abstract: Cathodic Generation of CdSexTe1‐x at Te Film Electrodes.
Authors: ROSAMILIA J. M. , MILLER B.
Published: May 2016

Films of the semiconductor CdSexTe1‐x can be electrodeposited by co‐reduction of a Te substrate (reaction A) and soluble SeSO32‐ (reaction B) followed by spontaneous precipitation of the film according to reaction C. The Te substrate itself is electroplated in acidic medium from tellurite.
ChemInform Abstract: Studies on the Metal‐Amide Bond. Part 19. A Comparison of Molecular Distortions in the Crystal Structures of (N,N′‐Bis(2′‐pyridinecarboxamido)‐1,2‐benzene)nickel(II) with Its 6′‐Methylsubstituted Analogue.
Authors: STEPHENS F. S. , VAGG R. S.
Published: May 2016

The title complexes are prepared according to a known procedure.
ChemInform Abstract: Concave Functionality: Design of a Phenol Sticky Host.
Authors: SHERIDAN R. E. , WHITLOCK H. W. JUN.
Published: May 2016

Cyclization of the tetrakis‐acetylenic pyridine (III), prepared by standard procedures from bis(propargyloxy)naphthoic acid (I) and pyridine (II) (no details given), afforded a 2:1 mixture of dl‐ (V) and meso‐host (IV) (yields not given).
ChemInform Abstract: (π2 + π2) Cycloaddition of 4‐Phenyl‐4H‐1,2,4‐triazole‐3,5‐dione and Singlet Oxygen to Homofuran.
Authors: ADAM W. , GRIESBECK A. , KLAERNER F.‐G. + , SCHROEER D. +
Published: May 2016

Photochemically generated singlet oxygen adds to homofuran (II) to give the unstable dioxetane (III) and its decomposition product (IV) via dipolar intermediates.
ChemInform Abstract: Structural Control of the Triplet‐Singlet Equilibrium in Cyclophane Diarylcarbenes.
Authors: ALT R. , GOULD I. R. , STAAB H. A. , TURRO N. J.
Published: May 2016

The absolute reactivities of (1.n)paracyclophane analogues (I) of diphenylcarbene have been investigated by using the technique of laser flash photolysis.
ChemInform Abstract: Diastereoselective Methylation of 2,3‐Dialkylcyclopentanone Enolates.
Authors: TAKAHASHI T. , NISAR M. , SHIMIZU K. , TSUJI J.
Published: May 2016

The cyclopentenone derivative (Ia) reacts with the organocopper reagents (II) and methyl iodide and is then cyclized to yield the cyclopentanocyclohexenones (III) as the main products, together with the isomeric derivatives (IV).
ChemInform Abstract: Efforts in Synthesizing αβ‐Unsaturated Trifluoromethyl‐Substituted Aldehydes.
Authors: ABELE H. , HAAS A. , LIEB M.
Published: May 2016

The title aldehyde (III) is obtained from the reaction of hexafluoroacetone (I) with the aldehyde (II).
ChemInform Abstract: Cyclopentannulation with 1,3‐Dicarbonyl Dipole Equivalent. Synthesis of Bicyclo(3.3.0)oct‐1(5)‐ene‐2,6‐dione.
Authors: ST. LAURENT D. R. , PAQUETTE L. A.
Published: May 2016

The anion of (I) is coupled with the cyclopentenone (II) to form a mixture of (III) ‐ (V).
ChemInform Abstract: syn‐ and anti‐Bishomoanthraquinone.
Authors: VOGEL E. , BOEHM S. + , HEDWIG A. , HERGARTEN B. O. , LEX J. , USCHMANN J. , GLEITER R.
Published: May 2016

The title compound (IV) is obtained from the annulene (I) via bromination (→ (II), space group: P42cm, Z=4), hydrolysis and oxidation.
ChemInform Abstract: Mechanistic Aspects and Profiles of the Double Elimination Reaction of β‐Substituted Sulfones.
Authors: OTERA J. , MISAWA H. , SUGIMOTO K.
Published: May 2016

The β‐substituted sulfones (I), (V), and (X) react with tert‐butylate (II) to form the corresponding vinyl sulfones (III), (VI), and (XI).
ChemInform Abstract: A Novel Diels‐Alder Reaction Utilizing 3‐Chloro‐1‐methoxybutadiene: A Short and Convergent Synthesis of the 5‐Lipoxygenase Inhibitor RS‐43179.
Authors: FLYNN D. L. , NIES D. E.
Published: May 2016

2‐Chloro‐4‐methoxy‐butadiene (I) is coupled with 2,3‐dimethoxyquinone to form an adduct which is oxidized in situ, yielding the quinone (III), or acetylated to give (IV).
ChemInform Abstract: Dimerized Ethyl Cyanoacetate in Heterocyclic Dye Synthesis: New Pyridine Azodyes and Tetrazole Dyes.
Authors: FAHMY S. M. , MOHAREB R. M. , ABD‐ALL F. A.
Published: May 2016

Addition of aqueous ammonia or various amino compounds (IIa) ‐ (IId) to the 3‐amino‐2‐cyano‐2‐pentendioate (I) yields the amines (IIIa) ‐ (IIId).
ChemInform Abstract: A Novel 1,2‐Alkyl Migration of Trialkyl(4‐pyridyl)borates.
Authors: ISHIKURA M. , OHTA T. , TERASHIMA M.
Published: May 2016

4‐Bromopyridine (I) reacts with the boranes (II) to form the lithium pyridylborates (III) which undergo 1,2‐alkyl migration in the presence of Lewis acid, such as BF3 etherate or acyl compounds, yielding the 4‐substituted pyridines (IV).
ChemInform Abstract: Synthesis of 2H‐Pyrazolo(3,4‐b)pyridines and 1,1,2,2‐Tetracyanocyclopropanes.
Authors: TAKAHASHI M. , ORIHARA T. , SASAKI T. , YAMATERA T. , YAMAZAKI K. , YOSHIDA A.
Published: May 2016

The tetracyanocyclopropanes (I) and phenylhydrazine (II) are combined to give the diaminodicyanovinylpyrazoles (III).
ChemInform Abstract: Synthesis of Some Macrocyclic Compounds Containing 2,6‐Bis(N‐alkylamino)phenol Units.
Authors: MANDAL S. K. , NAG K.
Published: May 2016

The dialdehyde (I) reacts with the diamines (II), forming the macrocycles (IV), in a two‐step procedure.
ChemInform Abstract: Models for “Fat” Nucleosides and Nucleotides: Syntheses of “Fat” Xanthine (fX), “Fat” Guanine (fG), and “Fat” Hypoxanthine (fHx) Analogues of the Imidazo(4,5‐e)(1,4)diazepine System.
Authors: HOSMANE R. S. , BHAN A. , RAUSER M. E.
Published: May 2016

Hydrolysis of the cyanomethylnitroimidazoles (I) and (II) and subsequent esterification produce the key intermediates (IV).
ChemInform Abstract: Dialkylperfluoroalkylphosphonites.
Authors: GOLOVANOV A. V. , MASLENNIKOV I. G. , MEDVEDEV A. E. , LAVRENT'EV A. N.
Published: May 2016

The alcohols (I) react with the perfluoroalkylphosphonous dichlorides (II) at low temperatures to give the title compounds (III).
ChemInform Abstract: β‐Phosphorylated Enamines.
Authors: KOZLOV V. A. , CHURUSOVA S. G. , IVANCHENKO V. I. , NEGREBETSKII V. V. , GRAPOV A. F. , MEL'NIKOV N. N.
Published: May 2016

The phosphorylacetic acid derivatives (I) react with the amide acetals (II) to give the phosphoryl enamines (III).
ChemInform Abstract: Organo‐Arsenic Compounds Containing an As=N Bond. Part 2. Reaction of Aryldichloroarsines with Primary Aromatic Amines.
Authors: KOKOREV G. I. , YAMBUSHEV F. D. , BADRUTDINOV SH. KH.
Published: May 2016

The dichloroarsines (I) react with the anilines (II) to give the iminoarsines (III).
ChemInform Abstract: Elucidation of the Structure of Pharmacologically Active Magnesium L‐Aspartate Complexes.
Authors: SCHMIDBAUR H. , MUELLER G. + , RIEDE J. , MANNINGER G. , HELBIG J.
Published: May 2016

Magnesium salts of L‐aspartic acid are used in magnesium therapy.
ChemInform Abstract: Reactions of Gas‐Phase Dipositive Titanium Ions with Alkanes.
Authors: TONKYN R. , WEISSHAAR J. C.
Published: May 2016

The chemistry of Ti2+ with small alkanes in 0.4 torr of He is remarkably selective.
ChemInform Abstract: Mechanisms of Arene Exchange in (Arene)tricarbonylchromium Compounds: Intermolecular and Intramolecular Exchanges in Complexes of Propenylbenzene, Stilbenes, and 1,1‐Diphenylethylene.
Authors: TRAYLOR T. G. , STEWART K. J.
Published: May 2016

Kinetic studies of arene exchange of (trans‐propenylbenzene)tricarbonyl‐Cr with benzene reveal intramolecular and intermolecular participation by the propenyl substituent.
ChemInform Abstract: Synthesis and Characterization of Binuclear Complexes and Their Catalytic Activity on the Oxidation of Catechol.
Authors: RUSSO U. , VIDALI M. , ZARLI B. , PURRELLO R. , MACCARRONE G.
Published: May 2016

The binuclear complexes (II) and (III) (no yields given) can be synthesized by reaction of the ligand (I) with the appropriate metal chloride or perchlorate.
ChemInform Abstract: (Ag(NCS)2AsF6)n ‐ A Metal Complex with Dithiocyanogen as Ligand.
Authors: ROESKY H. W. , SCHIMKOWIAK J. , MEYER‐BAESE K. + , JONES P. G.
Published: May 2016

The reaction of (I) with AgAsF6 in liquid SO2 yields the title compound (II).
ChemInform Abstract: Models for Reactions of Acetylene on Platinum(111): The Vinylidene Intermediate.
Authors: RASHIDI M. , PUDDEPHATT R. J.
Published: May 2016

Reaction of acetylene with the cationic μ3‐hydrido‐Pt cluster (I) at ‐80 °C gives the unstable acetylene complex (II) with a very weakly bound and probably fluxional acetylene molecule characterized by NMR spectra.
ChemInform Abstract: Transformed Steroids. Part 156. Reaction of Pregn‐5‐en‐3β,17‐diol‐20‐ one and Its 16‐Methyl Derivative with Iodosobenzene Diacetate. A One‐ Step Synthesis of 17‐Spirooxetan‐20‐ones.
Authors: TURUTA A. M. , KAMERNITSKII A. V. , FADEEVA T. M. , ZHULIN A. V.
Published: May 2016

The reaction of the steroid ketones (I) with iodosobenzene diacetate (II) gives the oxetanes (III), previously obtained by a multistage synthesis, and small amounts of the diolones (IV) and the hydroxycarboxylic acid esters (V).
ChemInform Abstract: ((9‐Fluorenylmethyl)oxy)carbonyl (Fmoc) Amino Acid Chlorides. Synthesis, Characterization, and Application to the Rapid Synthesis of Short Peptide Segments.
Authors: CARPINO L. A. , COHEN B. J. , STEPHENS K. E. JUN. , SADAT‐AALAEE S. Y. , TIEN J.‐H. , LANGRIDGE D. C.
Published: May 2016

Synthesis and properties of a series of Fmoc‐amino acid chlorides (X) are described as outlined in the reaction scheme.
ChemInform Abstract: Chain Elongation of Carbohydrates: Synthesis of Ketoses with Anthracenyl and Naphthacenyl Residues.
Authors: WILD H. , STEGLICH W.
Published: May 2016

Lewis acid catalyzed reaction of the dienes (I) with naphthoquinone (→ (III)), subsequent aromatization (→ (IV)), reductive cleavage with Cr(II) acetate (→ (V)), and deblocking give the ketoses (VI).
ChemInform Abstract: Functionalized Carbocycles from Carbohydrates. Part 9. Direct Synthesis of 6‐Oxabicyclo(3.2.1)octane Derivatives from Deoxyinososes.
Authors: BLATTNER R. , FERRIER R. J.
Published: May 2016

The deoxyinosose (Ia) undergoes elimination or aromatization reactions in the presence of bases, giving the enone (II) and/or the phenolic compounds (III) and (IV).
ChemInform Abstract: Synthesis of Some Derivatives of 6‐Amino‐1,5‐anhydro‐6‐deoxy‐D‐glucitol and 2‐Amino‐1,5‐anhydro‐2‐deoxy‐D‐glucitol.
Authors: WITCZAK Z. J. , WHISTLER R. L.
Published: May 2016

The 6‐amino‐6‐deoxy derivative (II) is prepared from 1,5‐anhydro‐D‐glucitol (Ia).
ChemInform Abstract: Chiral Macrocyclic Compounds from Lactose Derivatives.
Authors: ALONSO‐LOPEZ M. , BERNABE M. , FERNANDEZ‐MAYORALAS A. , JIMENEZ‐BARBERO J. , MARTIN‐LOMAS M. , PENADES S.
Published: May 2016

Cyclization of the lactoside (I) with the ditosylate (II) yields the chiral crown ether (IIIa), which is transformed into the derivatives (IIIb) ‐ (IIId) by known methods.
ChemInform Abstract: Higher‐Carbon Sugars. Part 3. The Synthesis of Some Seven‐Carbon Sugars via the Osmylation of Olefinic Sugars.
Authors: BRIMACOMBE J. S. , KABIR A. K. M. S.
Published: May 2016

Catalytic osmylation of the enopyranoside (II), prepared from (I) by Wittig reaction, produces a mixture of the isomeric heptopyranoses (III).
ChemInform Abstract: Synthesis of Optically Pure δ4‐Tetrahydroquinolinic Acids and Hexahydroindolo(2,3‐a)quinolizines from L‐Aspartic Acid. Racemization on the Route to Vindoline.
Authors: FELDMAN P. L. , RAPOPORT H.
Published: May 2016

The L‐aspartic acid derivative (I) is transformed into the optically pure tetrahydroquinolinic acid derivative (IVb) by the reaction sequence roughly outlined in the reaction scheme.
ChemInform Abstract: Glycosylation of Pyrazino(2,3‐c)‐1,2,6‐thiadiazine 2,2‐Dioxides to Sulfur Dioxide Analogs of Pteridine Nucleosides.
Authors: GOYA P. , MARTINEZ A. , JIMENO M. L. , PFLEIDERER W.
Published: May 2016

The title compounds (I), (VIIa) and (VIIb) are converted to their trimethylsilyl derivatives according to method A).
ChemInform Abstract: Synthesis of 1,3,5,8‐Tetrahydroxy‐2‐methylanthraquinone and Its 3‐O‐β‐D‐Glucopyranoside.
Authors: SINGH JANHAVI , SINGH J.
Published: May 2016

The title compound (IIIa) (yield given in g) is prepared by reaction of the anhydride (I) with the toluene (II) under the conditions shown in the scheme.
ChemInform Abstract: Synthesis and Structural Data of “Delafossites” CuMO2 (M: Al, Ga, Sc, Y).
Authors: KOEHLER B. U. + , JANSEN M.
Published: May 2016

2H‐CuScO2 (space group P63/mmc, Z=2), R‐CuGaO2 (R3m, Z=3), and R‐CuYO2 (R3m, Z=3) have been synthesized for the first time by solid state reactions of the binary oxides.
ChemInform Abstract: A Moessbauer Study of Short Range Order in Frozen Aqueous Solutions of Fe(ClO4)2
Authors: DOMES H. , LEUPOLD O. , NAGY D. L. , RITTER G. , SPIERING H. , MOLNAR B. , SZUECS I. S. +
Published: May 2016

at 4.2 K in external magnetic fields up to 5 T is indicative of a randomly distorted coordination of the (Fe(H2O)6)2+ ions.
ChemInform Abstract: Enthalpies of Mixing in the Iron‐Manganese System by Direct Reaction Calorimetry
Authors: KUBITZ R. , HAYES F. H.
Published: May 2016

at 873, 1073, and 1443 K. The modifications in calorimetric technique (Dench‐type calorimeter) required to cope with the high volatility of Mn are described.
ChemInform Abstract: Thermal Decomposition of Eu2(SO4)3·8 H2O Studied by Low Temperature High‐Resolution Luminescence Spectroscopy.
Authors: LYNCH J. F. , SACHS C. J. , BRITTAIN H. G.
Published: May 2016

Combined high‐resolution luminescence spectroscopic, XRD, DTA, and TGA measurements show the title hydrate to decompose by forming an intermediate assumed to be Eu2O(SO4)2 before decomposing into the more stable Eu2O2SO4 (at 800 °C) and finally to Eu2O3 (at 1150 °C).
ChemInform Abstract: Preparation and Crystal Structure of (Co(NH3)6)2P4O13·5 H2O.
Authors: SCHULZ F. , JANSEN M.
Published: May 2016

The title compound containing the novel "isolated" polytetraphosphate anion is prepared by reaction of sodium polytetraphosphate (isolation by column chromatography) with (Co(NH3)6)Cl3.
ChemInform Abstract: A New Quaternary Oxocadmate, Cs2K2Cd3O5
Authors: SEIPP E. , HOPPE R.
Published: May 2016

, has been prepared by annealing a mixture of the binary oxides (Cs:K:Cd = 1:1:1, Ag‐tube, 550 °C, 17 d).
ChemInform Abstract: Synthesis, Stability, and Crystal Chemistry of Dibarium Pentatitanate.
Authors: ROTH R. S. , RITTER J. J. , PARKER H. S. , MINOR D. B.
Published: May 2016

A metastable phase corresponding to Ba2Ti5O12 forms between 650 and 675 °C from the hydrolyzed ethoxide precursors.
ChemInform Abstract: Design and Synthesis of New Ferroelectric Liquid Crystals. Part 2. Liquid Crystals Containing a Nonracemic 2,3‐Epoxy Alcohol Unit.
Authors: WALBA D. M. , VOHRA R. T. , CLARK N. A. , HANDSCHY M. A. , XUE J. , PARMAR D. S. , LAGERWALL S. T. , SKARP K.
Published: May 2016

The phenol (III) is prepared from (I) and the epoxy alcohol (II) via direct Mitsunobu coupling.
ChemInform Abstract: Synthetic Studies of Didemnins. Part 1. Revision of the Stereochemistry of the Hydroxyisovalerylpropionyl (HIP) Unit.
Authors: EWING W. R. , BHAT K. L. , JOULLIE M. M.
Published: May 2016

The title compounds (I) are potent inhibitors of the L1210 leukemia cells in vitro and are also active in vivo against P388 leukemia and B16 melanoma.
ChemInform Abstract: 13C NMR Study of Methanol in HY Zeolite.
Authors: BRONNIMANN C. E. , MACIEL G. E.
Published: May 2016

Two resonances with solid‐sample characteristics are observed and attributed to adsorption in the supercages (desorption during evacuation at 140 °C) and the β‐cages of the zeolite (retained under the forementioned conditions).
ChemInform Abstract: Organo‐f‐Element Thermochemistry. Thorium vs. Uranium and Ancillary Ligand Effects on Metal‐Ligand Bond Disruption Enthalpies in Bis(pentamethylcyclopentadienyl)actinoid Bis(hydrocarbyls) and Bis(pentamethylcyclopentadienyl)alkoxyactinoid Hydrides and Hydrocarbyls.
Authors: BRUNO J. W. , STECHER H. A. , MORSS L. R. , SONNENBERGER D. C. , MARKS T. J.
Published: May 2016

The thermodynamic data are obtained by anaerobic, batch‐titration, solution‐calorimetry from the enthalpies of solution of the organoactinoid complexes (I) in toluene and from the subsequent enthalpies of alcoholysis with tBuOH or MeOH.
ChemInform Abstract: Electrochemical Reduction of Seven‐Coordinate Oxomolybdenum(VI) Complexes. Multielectron Transfer at Mononuclear MoO4+ Centers.
Authors: BRADBURY J. R. , SCHULTZ F. A.
Published: May 2016

The electrochemical behavior of compounds (I)‐(III) is investigated by cyclic voltammetry, normal pulse voltammetry and controlled‐potential coulometry in MeCN ((I)‐(III)), DMF, and CH2Cl2 ((III)).
ChemInform Abstract: Modeling Chemical Reactivity. Part 2. Stereochemistry of Electrophilic Additions to Chiral Allylic Double Bonds.
Authors: KAHN S. D. , PAU C. F. , HEHRE W. J.
Published: May 2016

Based on a comparison of the relative affinities of the diastereotopic faces of olefins (2‐silylbut‐3‐ene or 3‐buten‐2‐ol) toward a proton (test electrophile) the greater reactivity of the olefin face anti to the silyl group at the β‐position and syn to oxygen at the α‐position is deduced.
ChemInform Abstract: Modeling Chemical Reactivity. Part 3. Stereochemistry of Michael Additions of Vinyl Sulfoxides.
Authors: KAHN S. D. , HEHRE W. J.
Published: May 2016

In accordance with theory the nucleophilic attack of piperidine or methyl tris(isopropoxy)titanium to the olefin (I) or (III), respectively, occurs preferentially anti to the sulfur lone pair.
ChemInform Abstract: Reactions of Electrophilic Cyclopropenes with Enamines and Ynamines. Bicyclopentane Cycloadducts and Halochrysanthemic Analogues.
Authors: FRANCK‐NEUMANN M. , MIESCH M. , KEMPF H.
Published: May 2016

The cyclopropenes (II), prepared from the pyrazoles (I), react with the propynamine (III), yielding the cyclopentadienes (V) via the intermediates (IV).
ChemInform Abstract: Tetramethyleneethane, a Ground‐State Triplet.
Authors: DOWD P. , CHANG W. , PAIK Y. H.
Published: May 2016

The photolysis of the azo compound (IV) which is prepared in accordance with the scheme (no yields given) leads to the ground‐state triplet radical (V).
ChemInform Abstract: Model Hydrodesulfurization Reactions: Saturated C4S Molecules on Mo(110).
Authors: ROBERTS J. T. , FRIEND C. M.
Published: May 2016

The reactions of tetrahydrothiophene and 1‐butanethiol on Mo(110) to form H2, butane, and 1‐butene have been investigated using temp.‐programmed reaction spectroscopy, isotopic exchange reactions, and Auger electron spectroscopy.
ChemInform Abstract: Regioselective Hydroxysulphenylation of Derivatives of Allylic Alcohols and Amines.
Authors: ABD EL SAMII Z. K. M. , AL ASHMAWY M. I. , MELLOR J. M.
Published: May 2016

The reaction of the allylic acetates (I) or acetamides (VII) with the disulfides (II) in the presence of Mn(III) acetate and TFA is investigated.
ChemInform Abstract: Alkylation of Aralkyl Bromides with Tetraalkyl Tin Compounds in Presence of (2,2′‐Bipyridine)fumaronitrile Palladium(O).
Authors: SUSTMANN R. , LAU L. , ZIPP M.
Published: May 2016

The activated bromides (I) react with the tetraalkyl tin compounds (II) in the presence of Pd catalysts such as (III) to yield the coupling products (IV).
ChemInform Abstract: Complementary Epoxide Hydrolase‐ vs. Glutathione S‐Transferase‐Catalyzed Kinetic Resolution of Simple Aliphatic Oxiranes ‐ Complete Regio‐ and Enantioselective Hydrolysis of cis‐2‐Ethyl‐3‐methyloxirane.
Authors: WISTUBA D. , SCHURIG V.
Published: May 2016

The (2R,3S)‐oxirane (I), which is inaccessible for conjugation at glutathione, is biotransformed to give the diol (II) regio‐ and enantioselectively.
ChemInform Abstract: Simple and Selective Method for RCHO → (E)‐RCH=CHX Conversion by Means of a CHX3‐CrCl2 System.
Authors: TAKAI K. , NITTA K. , UTIMOTO K.
Published: May 2016

The aldehydes (II) are smoothly converted to the haloolefins (III), (IV), (V) using the title system (i.e.
ChemInform Abstract: Novel Synthesis of Vinyl Ethers Induced by Carbon‐Halogen Bond Homolysis.
Authors: COOK M. , HARES O. , JOHNS A. , MURPHY J. A. , PATTERSON CH. W.
Published: May 2016

Reaction of the phenyl‐bromomethyloxirane (Ia) with tributylstannyl radicals in situ leads to the formation of the vinyl ether (II) as the major product and the allylic alcohol (III) as the minor product.
ChemInform Abstract: Flash Thermolysis of Aryl Trifluoroacetates: A New Approach to Trifluoromethylated Aromatic Compounds.
Authors: KOBAYASHI Y. , NAKAZATO A. , KUMADAKI I. , FILLER R.
Published: May 2016

The trifluoromethyl (II) and trifluoromethoxy substituted aromatic compounds (III) are formed by flash pyrolysis of the aryl trifluoroacetates (I).
ChemInform Abstract: Preparation of 4‐Methylaminobenzoic acid from Anaesthesin (4‐Amino‐ benzoic Acid Ethyl Ester) via Phase‐Transfer Methylation of its Amino group.
Authors: SKUPINSKI W. , PICHNEJ L. , PAKULA R. , JAHN‐ANDRYCHOWSKA W. , TROJANOWSKA Z. , BUTKIEWICZ K.
Published: May 2016

Ethyl 4‐acetylaminobenzoate (I) is methylated in the presence of a phase‐transfer catalyst to give (II).
ChemInform Abstract: 1‐Methyl‐N‐(phenylaminocarbonyloxy)ethanamine: Authentic Syntheses and Possible Formation by Isomerization.
Authors: ZINNER G. , GRIGAT H. , PSIORZ M.
Published: May 2016

The title compound (III) is synthesized by two methods as shown in the formula scheme.
ChemInform Abstract: Synthesis and Steric Structure of 2‐(Furyl‐2)acrylonitriles.
Authors: KUL'NEVICH V. G. , PAVLOV P. A. , KRAPIVIN G. D.
Published: May 2016

The Schmidt reaction of the furylacroleines (I) with hydrazoic acid yields the furylacrylonitriles (II) with E‐cis‐configuration.
ChemInform Abstract: Regioselective Synthesis of the Spiro‐benzofuran Unit, Present in Several Natural Products, by an Intramolecular Michael Cyclization.
Authors: SPANEVELLO R. A. , GONZALES‐SIERRA M. , RUVEDA E. A.
Published: May 2016

A spiro‐benzofuran unit, as shown in compounds (VI) and (VII), is common to several biologically active natural products.
ChemInform Abstract: The Synthesis of Some 2,5‐Diarylthiophenes from 1,4‐Diarylbutadiynes and Their Attempted Cyclization to Thiophenophanes.
Authors: ACHESON R. M. , LEE G. C. M.
Published: May 2016

The iodobenzoate (I) is converted to the diyne (III), which reacts with H2S (IV) to give the thiophene (Va).
ChemInform Abstract: Synthesis and Luminescence‐Spectroscopic Properties of 4‐(5‐Aryloxazol‐ 2‐yl)benzoic Acids and Their Derivatives.
Authors: KRASOVITSKII B. M. , SHERSHUKOV V. M. , VOLKOV V. L.
Published: May 2016

The aryloxazolylbenzoic acids (V) are obtained by condensation of the terephthalic ester monochloride (I) with the ω‐aminomethyl aryl ketones (II) and cyclodehydration of the amides (III), followed by hydrolysis of the ester group.
ChemInform Abstract: Synthesis of Some 2‐(3′,5′‐Dimethylpyrazol‐1′‐yl)‐4‐methyl‐6‐substituted Quinolines and Their 4′‐Substituted Analogues.
Authors: SINGH S. P. , VAID R. K. , PRAKASH I. , PRAKASH O.
Published: May 2016

Reinvestigations of literature reports reveal that the condensation of the hydrazines (II) with the diones (IV) does not yield tricyclic compounds of type (I) but the pyrazoles (III).
ChemInform Abstract: Cyclization of α‐Iminium Ketone Oximes.
Authors: MOEHRLE H. + , GRIMM B.
Published: May 2016

The tetrahydroisoquinoline ketones (I) are transformed into the oximes (II).
ChemInform Abstract: Polyhalogenoheterocyclic Compounds. Part 37. Perfluorotetrahydroquinoline, ‐isoquinoline, and Related Compounds.
Authors: BELL S. L. , CHAMBERS R. D. , DANIELS R. , HOLMES T. F. , SILVESTER M. J.
Published: May 2016

In order to explain the formation of (III) and (VII) during the reaction of the quinoline (I) or the isoquinoline (V) with potassium fluoride, the mixed halo compounds (IV) and (VIII) are treated with fluoride, also producing (III) and (VII) respectively.
ChemInform Abstract: The Synthesis of Some Sterically Hindered Acridines and a High‐Pressure Methylation.
Authors: ACHESON R. M. , BIRTWISTLE D. H. , CONSTABLE E. C. , TESTER G. G. , WHITEHEAD J. W. F. , WYATT P. B.
Published: May 2016

4‐Phenylacridine (III) is prepared from its 9‐chloro derivative (I).
ChemInform Abstract: Asymmetrical Nitrogen. Part 49. Interaction of the Lone Electron Pairs of the Nitrogen Atoms in Bicyclic Diaziridines.
Authors: SHUSTOV G. V. , DENISENKO S. N. , ASFANDIAROV N. L. , KHUSNUTDINOVA L. R. , KOSTYANOVSKII R. G.
Published: May 2016

The bicyclic diaziridines (IV) are prepared from the heterocycles (I) or (III) via the cyclic imines (II).
ChemInform Abstract: Polynuclear Heterocyclic Compounds from the Adduct of o‐Cinnamoylbenzoic Acid and Cyclohexanone.
Authors: DONCHAK L. N. , KAMINSKII V. A. , TILICHENKO M. N.
Published: May 2016

The addition product (III) of o‐cinnamoylbenzoic acid (I) and cyclohexanone (II) reacts with ethylenediamine (IV), β‐hydroxyethylamine (VIa), or β‐mercaptoethylamine (VIb) to give the polynuclear heterocyclic compounds (V) and (VII) respectively.
ChemInform Abstract: Pyridazine Chemistry. Part 29. Synthesis of Pyrimido(4,5‐d)pyridazines from (5‐Amino‐4‐pyridazinyl)arylketones.
Authors: HAIDER N. , HEINISCH G.
Published: May 2016

Ring closure of the pyridazines (I) with ethyl carbamate (II) yields the pyrimidopyridazines (III).
ChemInform Abstract: Phenylation and Dephenylation Reactions: Formation of 1H‐Pyrazolo(3,4‐b)quinoxalines.
Authors: PILLAI P. M. , RAMABHADRAN P.
Published: May 2016

The preparation of the tricyclic compound (IVa) by oxidative cyclization of the phenylhydrazone (I) in the presence of phenylhydrazine is well established.
ChemInform Abstract: Anticonvulsant Agents. Part 1. Thiocarbamoylbutyroguanamines.
Authors: KREUTZBERGER A. , LOCH M.
Published: May 2016

Addition of the isothiocyanates (II) to the diaminotriazine (I) yields the monothioureas (III).
ChemInform Abstract: Reactions Involving Fluoride Ion. Part 33. Perfluoroazaalkylation of Fluorinated Heteroaromatics with Perfluoro‐1‐methyl‐1,3‐diazacyclopent‐ 2‐ and ‐3‐ene.
Authors: CHAMBERS R. D. , HEWITT C. D. , SILVESTER M. J. , KLAUKE E.
Published: May 2016

The tetrahydroimidazolides (III) are prepared by addition of fluoride to the perfluoroimidazolines (I) or (II).
ChemInform Abstract: New Synthesis of Azepin‐4‐ones by Flash Vacuum Thermolysis of Dihydro and Tetrahydroisoxazole‐5‐spirocyclobutane Derivatives.
Authors: GOTI A. , BRANDI A. , DE SARLO F. , GUARNA A.
Published: May 2016

The nitrile oxides (I) react with methylenecyclobutane (II) to yield the spirocyclic isoxazolines (III).
ChemInform Abstract: Preparation of Chalcogenostibanes of the Type R2SbER′ (R: CH3, C2H5; E: S, Se, Te; R′: CH3, C6H5) by Exchange Reactions of Distibanes and Dichalcogenides.
Authors: BREUNIG H. J. , GUELEC S. +
Published: May 2016

The chalcogenostibanes (III) are quantitatively prepared by complete exchange reactions of (I) and (II).
ChemInform Abstract: Convenient Synthetic Route to Coordination and Organometallic Compounds of Alkanenitronate (O2N=CRR′)‐ Anions.
Authors: DIEL B. N. , HOPE H.
Published: May 2016

The alkanenitronate anions, generated via alkyl‐Li deprotonation of the corresponding nitroalkanes, react directly and cleanly with metal chlorides under mild conditions.
ChemInform Abstract: Reaction of Germylene with Thioketenes: Synthesis of Alkylidene Digermathietanes.
Authors: ANDO W. , TSUMURAYA T. , GOTO M.
Published: May 2016

The germylenes (II), prepared by pyrolysis of the cycloadducts (I), react with di(tert‐butyl)thioketene (III) to give the digermathietanes (IV).
ChemInform Abstract: Oxidation‐State Dependent Changes in the Coordination Environment of Oxovanadium Complexes of Ethylenebis((o‐hydroxyphenyl)glycine).
Authors: BONADIES J. A. , CARRANO C. J.
Published: May 2016

The previously prepared oxovanadium species (I) and (II) are examined by cyclic voltammetry in H2O or MeOH, DMF and MeCN, respectively.
ChemInform Abstract: Reaction of sp2 C‐H Bonds in Unactivated Alkenes with Bis(diphosphine) Complexes of Iron.
Authors: BAKER M. V. , FIELD L. D.
Published: May 2016

Bis(1,2‐bis(dimethylphosphino)ethane)‐Fe (II), generated photochemically from the dihydride (I) at low temp., reacts with benzene or toluene to give the cis/trans‐hydridophenyl complexes (IIIa) and (IVa) or the cis‐tolyl hydrides (IIIb) which at 0 °C isomerize to their trans analogues (IVb).
ChemInform Abstract: Silicon‐Carbon Unsaturated Compounds. Part 22. The Formation and Reactions of a Nickelasilacyclobutene.
Authors: ISHIKAWA M. , OHSHITA J. , ITO Y. , IYODA J.
Published: May 2016

The stoichiometric reaction of the 1‐silacyclopropene (II), prepared as shown, with tetrakis(triethylphosphine)‐Ni leads to the non‐isolated nickelasilacyclobutene (III).
ChemInform Abstract: Metal Complexes of Sulfur Ligands. Part 24. Reactions of (Pd(S2CNEt2)(Ph2PO)2H) and (Ni(S2CNiPr2)(Ph2PO)2H) with Some Transition‐Metal and Main‐Group Acetylacetonates.
Authors: ALLAN J. R. , HALFPENNY J. , MILBURN G. H. W. , STEPHENSON T. A. , VEITCH P. M.
Published: May 2016

The heterobimetallic compounds (I)‐(III) are synthesized with 40‐71% yield from the title complexes and the appropriate metal acetylacetonates.
ChemInform Abstract: Metal Ion Promoted Methanolysis of Sesquiterpene Lactones Leading to O6,15‐Cycloguaiane Methyl Esters.
Authors: FANTINI E. C. , FERREIRA J. L. P. , RABI J. A.
Published: May 2016

The reaction of the title lactones (I) with ZnI2/MeOH yields the compounds (II).
ChemInform Abstract: KMnO4 Oxidation of Ergosteryl‐3β‐benzoate Adducts with 4‐Phenyl‐1,2,4‐triazoline‐3,5‐dione or 1,4‐Dihydro‐phthalazine‐1,4‐dione.
Authors: SCHOENECKER B. + , HAUSCHILD U.
Published: May 2016

The title adducts (I) react with KMnO4 at the C‐6‐ and not at the C‐22‐double‐bond to afford the diols (II).
ChemInform Abstract: A Novel Cyclopentane Annulation Reaction: New Synthesis of Estrone.
Authors: NARASIMHAN N. S. , PATIL P. A.
Published: May 2016

The key steps in the synthesis of estrone (VI) are shown in the reaction scheme.
ChemInform Abstract: Synthesis of Antiarrhythmic Peptide by Solution Phase.
Authors: KUNDU B. , MATHUR K. B.
Published: May 2016

The hexapeptide (IX), designated as antiarrhythmic peptide (AAP) and isolated from bovine atria, is synthesized according to the procedure shown in the scheme.
ChemInform Abstract: A Convenient One Step Synthesis of 5‐Cystein‐S‐yldopa Using Ceric Ammonium Nitrate.
Authors: CHIOCCARA F. , NOVELLINO E.
Published: May 2016

A facile one‐step synthesis of 5‐S‐cysteinyldopa (IV) involving addition of cysteine (III) to dopaquinone (II) is reported.
ChemInform Abstract: Synthesis of Glycosylaminothiazoles. Part 7.
Authors: MOTA J. F. , ADRIAN M. A. P. , MELLET C. O. , FERNANDEZ J. M. G.
Published: May 2016

Addition of the gluco‐ and galactopyranosyl isothiocyanates (I) to the ketoamines (II) yields the thioureas (III) which are cyclized under acidic conditions to form the aminothiazoles (IV).
ChemInform Abstract: Synthesis of Unsymmetrical Spermine Alkaloids of the Homalium Group. Transamidation Reactions of β‐Lactams: A Synthesis of (.+‐.)‐Dihydroperiphylline.
Authors: CROMBIE L. , JONES R. C. F. , HAIGH D.
Published: May 2016

The azetidinones (I) are coupled with α,ω‐dihaloalkanes or dihaloalkenes to form N‐substituted derivatives such as (II) or (X).
ChemInform Abstract: 2‐β‐D‐Ribofuranosylbenzoxazole from 2,5‐Anhydro‐D‐allonoimidate, and 1,3‐Dimethyl‐8‐β‐D‐ribofuranosylxanthine from 2,5‐Anhydro‐D‐allono‐ thioimidates and ‐dithioates.
Authors: EL KHADEM H. S. , KAWAI J.
Published: May 2016

The reaction between the imidates (I) and the aminophenol (II) yields the benzoxazole (III) only.
ChemInform Abstract: Lipase Catalyzed Enantioselective Hydrolysis of 2‐Methyl‐3‐acetoxy Esters.
Authors: AKITA H. , MATSUKURA H. , OISHI T.
Published: May 2016

The racemic syn‐ and anti‐β‐acetoxycarboxylates (I) are treated with lipase, yielding the hydroxy compounds (II) and regaining the isomers (2R,3R)‐(I) and (2S,3R)‐(I) respectively.
ChemInform Abstract: High Temperature Process Limitation on TiSi2.
Authors: TING C. Y. , D'HEURLE F. M. , IYER S. S. , FRYER P. M.
Published: May 2016

An increase in sheet resistance and surface and interface roughening is observed, when thin TiSi2 films, formed on single‐crystal silicon, or polysilicon, are annealed in He or N2 at temp. of 900 °C or higher.
ChemInform Abstract: Review and Chemical Thermodynamic Representation of .ltbbrac.U1‐zCezO2.+‐.x.rtbbrac. and .ltbbrac.U1‐zLnzO2.+‐.x.rtbbrac.; Ln: Y, La, Nd, Gd
Authors: LINDEMER T. B. , BRYNESTAD J.
Published: May 2016

Review: (interpretation of the data base for the dependence of the nonstoichiometry, x, on temp. and chemical potential of oxygen in the title phases.
ChemInform Abstract: Laser Induced Fluorescence Spectrum and Radiative Lifetime of PO2.
Authors: HAMILTON P. A.
Published: May 2016

The laser induced fluorescence spectra of PO2 appear to be very similar to the visible system of NO2 and no predissociation is observed.
ChemInform Abstract: EXAFS Studies on the Origin of Highly Catalytic Activity in Nickel Y Zeolite.
Authors: SANO M. , MARUO T. , YAMATERA H. , SUZUKI M. , SAITO Y.
Published: May 2016

Structural changes around the Ni atom occurring during NaOH treatment, calcination and reduction of Ni incorporated in zeolite Y have been investigated by EXAFS.
ChemInform Abstract: Stereochemistry and Bonding of the Tris(benzene)tricobalt Dicarbonyl Monocation, (Co3(η6‐C6H6)3(μ3‐CO)2)+: A Comparative Analysis of Its 48‐Electron Co3(CO)2 Core with the 46‐Electron Co3(CO)2 Core of Co3(η5‐C5Me5)3(μ3‐CO)2 and Resulting Electronic Implications.
Authors: OLSON W. L. , DAHL L. F.
Published: May 2016

A structural‐bonding analysis of the cationic title complex (I), prepared by a literature method and isolated as its BPh4 salt, is performed in order to provide an operational test that the corresponding cluster Co3(η5‐C5Me5)3(μ3‐CO)2 (A) whose common Co3(CO)2 core contains two fewer valence electrons, has greater metal‐metal bonding character.
ChemInform Abstract: Diastereoselective Synthesis of Chiral Secondary Amines with Two Chiral Centers Directly Attached to the Nitrogen Atom.
Authors: ELEVELD M. B. , HOGEVEEN H. , SCHUDDE E. P.
Published: May 2016

The ketones (I) react with the sterically defined amine (II) to give the imines (III) which are hydrogenated to yield a mixture of the diastereomeric secondary amines (IV) and (V) with the amines (IV) predominating.
ChemInform Abstract: High Pressure (4 + 2) Cycloaddition Reactions of 3,4‐Dimethoxyfuran with Dichloromaleic Anhydride and with Cyclopropane Derivatives.
Authors: MATSUMOTO K. , IKEMI Y. , HASHIMOTO S. , LEE H. S. , OKAMOTO Y.
Published: May 2016

3,4‐Dimethoxyfuran undergoes a cycloaddition reaction with dichloromaleic anhydride (II) under high pressure to give the adduct (III) which rearranges to yield (IV).
ChemInform Abstract: Thermolysis of Model Compounds for Coal. Part 5. Enhancement of Free‐Radical Chain Rearrangement, Cyclization, and Hydrogenolysis During Thermolysis of Surface‐Immobilized Bibenzyl: Implications for Coal Chemistry.
Authors: BUCHANAN A. C. III , DUNSTAN T. D. J. , DOUGLAS E. C. , POUTSMA M. L.
Published: May 2016

In order to explore the effects of restricted mobility on a multi‐pathway free radical reaction, the thermolysis of surface‐immobilized bibenzyl (VII) is compared with earlier studies of the thermolysis of the fluid compound (I).
ChemInform Abstract: Kinetic and Mechanistic Aspects of the Application of Diethyl Malonate as Proton Source During Protonation of Anion Radicals in N,N‐Dimethylformamide.
Authors: NIELSEN M. F. , PORAT Z. , EGGERT H. , HAMMERICH O.
Published: May 2016

From the rather complicated rate law for the protonation of the anion radicals (I) by the title ester in its keto (II) or (more strongly acidic) enol form (III) it is concluded that the acceleration of the reaction is caused by catalysis of the keto‐enol tautomerism by the added base (V).
ChemInform Abstract: Activation of Reducing Agents. Sodium Hydride Containing Complex Reducing Agents. Part 24. Beneficial Effect of Me3SiCl on the Reducing Properties of NiCRA.
Authors: FORT Y. , VANDERESSE R. , CAUBERE P.
Published: May 2016

The reactivity of the complex reducing agent NiCRA (sodium hydride, anhydrous nickel acetate, and tert‐amyl alcohol), is improved by addition of trimethylchlorosilane.
ChemInform Abstract: Synthesis of α‐Amino Ketone Hydrochlorides via Chemoselective Hydrogenation of α‐Nitro Ketones.
Authors: TAMURA R. , ODA D. , KUROKAWA H.
Published: May 2016

The α‐nitro ketones (I) are reduced to yield the corresponding amino ketones (II) in the presence of a platinum sulfide catalyst.
ChemInform Abstract: Regio‐ and Stereochemistry of Bromochlorinations of Alkynes with Molecular Bromine Chloride and Dichlorobromate(1‐) Ion.
Authors: NEGORO T. , IKEDA Y.
Published: May 2016

The bromochlorination of the acetylenes (I) using the reagents (IV) or (VIII) can occur in a regiospecific or non‐regiospecific as well as in a stereospecific or non‐stereospecific manner.
ChemInform Abstract: Reaction of Na Salts of Hydroxypyrimidines with α,ω‐Dihaloalkanes. Part 3. Reaction of Na Salts of Some Aminohydroxypyrimidines and 5,5‐Diethylbarbituric Acid with α,ω‐Dihaloalkanes.
Authors: SALIKHOV I. SH. , REZNIK V. S. , SHVETSOV YU. S. , SHAGIDULLIN R. R. JUN.
Published: May 2016

The hydroxypyrimidine sodium salts (II), (VII), and (IX) react with the α,ω‐dihaloalkanes (I) to give the alkylation products (III) ‐ (VI), (VIII), or (X) and (XI).
ChemInform Abstract: The Use of Lithium Borohydride for Deprotecting Acetylated Alcohols and Phenols in the Presence of N‐Acetylated Guanidines.
Authors: HUBER D. , LECLERC G. , ANDERMANN G.
Published: May 2016

The acetates (Ia) and (IIa) are deprotected by lithium borohydride to give the alcohol (Ib) and the phenol (IIb).
ChemInform Abstract: Reactions of tert‐Butoxymethyl Substituted Thiirane with Various Amines.
Authors: ALLAKHVERDIEV M. A. , FARZALIEV V. M. , KHALILOVA A. Z. , IBRAGIMOV N. YU. , SULTANOV YU. M. , CHERKASOVA E. M.
Published: May 2016

The title compound (IV) is prepared as shown.
ChemInform Abstract: Stereochemistry of the 1,4‐Addition of Dithioester Enethiolates to Methyl 2‐Cyclohexenones.
Authors: BERRADA S. , METZNER P.
Published: May 2016

The title reaction between (I) and (II) yields the derivatives (III).
ChemInform Abstract: Synthesis of Congeners and Prodrugs of the Benzene Maleimide Photoadduct Mitindomide as Potential Antitumor Agents. Part 2.
Authors: DEUTSCH H. M. , GELBAUM L. T. , MCLAUGHLIN M. , FLEISCHMANN T. J. , EARNHART L. L. , HAUGWITZ R. D. , ZALKOW L. H.
Published: May 2016

The diimide antitumor agent mitindomide (Ia) is converted to the alcohol (Ib) or the potential prodrugs (Ic) and (Id) ‐ (If).
ChemInform Abstract: Synthesis of Sterically Hindered Indolines and ESR‐Spectra of Their Stable Nitroxyl Radicals.
Authors: ABDRAKHMANOV I. B. , MUSTAFIN A. G. , SADYKOVA R. A. , TOLSTIKOV G. A.
Published: May 2016

The sterically hindered indolines (II) and their isomers (III) are prepared from the methylbutenylanilines (I) by cyclization with polyphosphoric acid.
ChemInform Abstract: 1,3‐Dithiolanes by the Reaction of Geminal Dithiols with Activated Acetylenes.
Authors: DROZD V. N. , VYAZGIN A. S. , KOMAROVA E. N.
Published: May 2016

The reactions between the geminal dithiolates (I) and the activated alkynes (II) afford the 1,3‐dithiolanes (III), which have the trans configuration, as can be deduced from 1H NMR data.
ChemInform Abstract: New Features of Isoxazole Chemistry. The Reaction of Ethyl 4‐Nitro‐3phenylisoxazole‐5‐carboxylate with 2,3‐Dimethylbuta‐1,3‐diene.
Authors: NESI R. , GIOMI D. , PAPALEO S. , QUARTARA L.
Published: May 2016

Unlike the diester (Ia), which does not react with the dimethyl butadiene (II), the nitroester (Ib) forms the (2 + 4) cycloadduct (III) and minor amounts of the elimination product (IV).
ChemInform Abstract: Reactions of Organylthiochloroacetylenes with β‐Mercaptoethanol.
Authors: MIRSKOVA A. N. , SERYODKINA S. G. , KALIKHMAN I. D. , VORONKOV M. G.
Published: May 2016

Mercaptoethanol (III) reacts with the chloroacetylenes (II) to give the β‐hydroxyethylthioacetylenes (IV) or the oxathiolanes (I), depending on the amount of base applied.
ChemInform Abstract: Synthesis and Antifertility Activity of Some New Fluorine Containing 2‐((2‐(Fluoroaryl)‐1H‐indol‐3‐yl)methylene)hydrazinecarbothioamides and 2‐(Fluoroaryl)‐((5‐(substituted benzylidene)‐4‐oxo‐2‐thiazolidinylidene)hydrazone)‐1H‐indole‐3‐carboxaldehydes.
Authors: JOSHI K. C. , PATHAK V. N. , CHATURVEDI R. K.
Published: May 2016

The title compounds (IV) and (VII) are prepared from the 2‐(fluoroaryl)‐1H‐indoles (I) as shown in the reaction scheme.
ChemInform Abstract: Bioisosteric Prototype Design of Biaryl Imidazolyl and Triazolyl Competitive Histamine H2‐Receptor Antagonists.
Authors: LIPINSKI C. A. , LAMATTINA J. L. , OATES P. J.
Published: May 2016

The heterocycles (III) ‐ (VII) are synthesized by known methods.
ChemInform Abstract: Cyclophilic Reactions of Allene‐1,3‐dicarboxylic Esters. Part 5. New Preparations of Quinolones.
Authors: DOAD G. J. S. , JORDIS U. , RUDOLF M. , SAUTER F. , SCHEINMANN F.
Published: May 2016

The esters (I) react with the allene (II) in the presence of a base to afford the title quinolones (III).
ChemInform Abstract: Stereoselective Cycloadditions of Pyridinium or Isoquinolinium Methylides with Olefinic Dipolarophiles and Subsequent Cycloadditions of the Cycloadducts with Nitrile Oxides.
Authors: TSUGE O. , KANEMASA S. , TAKENAKA S.
Published: May 2016

The ylide (II), generated in situ by treatment of (I) with Et3N, reacts with olefins (III) or (VII) to give labile adducts of type (V).
ChemInform Abstract: Derivatives of 3‐Hydroxy Acids: 4‐Oxo‐1,3‐dioxanes and 2‐Oxetanones.
Authors: BATANDIER C. , TAILLANDIER G. , BOUCHERLE A. , WALRANT P.
Published: May 2016

The 4‐oxo‐1,3‐dioxanes (III) and the 2‐oxetanones (V) are prepared from the 3‐hydroxy acids (I) as shown in the reaction scheme.
ChemInform Abstract: Pyrimidines. Part 2. Synthesis of Imidazo(1,2‐a)‐ and Pyrimido(1,2‐a)pyrimidinediones.
Authors: ABARCA B. , JIMENEZ M. , JONES G. , SORIANO C.
Published: May 2016

Reaction of the pyrimidines (I) with the amides (II) yields mixtures of the N‐ and O‐alkylated products (III) and (IV).
ChemInform Abstract: Thieno Compounds. Part 6.
Authors: BOEHM R. + , MUELLER R. + , PECH R.
Published: May 2016

Reaction of the thieno pyrimidines (I) and (IV) with the bromocarboxylates (II) produces the 3‐substituted derivatives (III) and (V).
ChemInform Abstract: Sigmatropic (1,3)‐Hydrogen Migration in a 1‐Silapropene.
Authors: YEH M.‐H. , LINDER L. , HOFFMAN D. K. , BARTON T. J.
Published: May 2016

Detailed study of the flash vac.
ChemInform Abstract: New Reaction of Functionally Substituted Silyl Nitronates.
Authors: DANILENKO V. M. , IOFFE S. L. , STRELENKO YU. A. , TARTAKOVSKII V. A.
Published: May 2016

The dimethyl nitroalkylsuccinates (I) react with trimethylsilyl chloride (II) to give the maleates (IV) via the nitronates (III).
ChemInform Abstract: Unhindered Phosphaalkenes and Phosphaalkynes in Stable Condition from a Vacuum Multistep Sequence.
Authors: PELLERIN B. , DENIS J.‐M. , PERROCHEAU J. , CARRIE R.
Published: May 2016

The pyrolysis of the dichlorophosphines (I), yielding the phosphaalkynes (II), is investigated; intermediates such as (III) are proposed.
ChemInform Abstract: Anodic Synthesis of Trifluorophosphoranes.
Authors: NIKITIN E. V. , PARAKIN O. V. , IGNAT'EV YU. A. , ROMAKHIN A. S. , MIRONOV B. S. , KOSACHEV I. P. , ROMANOV G. V. , KARGIN YU. M. , PUDOVIK A. N.
Published: May 2016

The title compounds (III) are obtained by anodic oxidation of the secondary phosphines (I) in the presence of the ammonium fluoride (II).
ChemInform Abstract: Oxidation and Isomerization of Diphosphene.
Authors: CAMINADE A. M. , KHATIB F. E. , ADES C. , VERRIER M. , PAILLOUS N. , KOENIG M.
Published: May 2016

The anti‐diphosphene (I) is oxidized by triplet oxygen (II) to give a mixture of the phosphine oxides (III) and (IV) and the hydroxy benzophosphole oxide (V).
ChemInform Abstract: Stereochemistry and Mechanism of the Wittig Reaction. Diastereomeric Reaction Intermediates and Analysis of the Reaction Course.
Authors: MARYANOFF B. E. , REITZ A. B. , MUTTER M. S. , INNERS R. R. , ALMOND H. R. JUN. , WHITTLE R. R. , OLOFSON R. A.
Published: May 2016

Individual diastereoisomeric 1,2‐oxaphosphetanes such as (III) and (IV) have been directly observed in the Wittig olefination reaction by use of high‐field NMR spectroscopy at low temp., permitting detailed evaluation of these intermediates.
ChemInform Abstract: Regioselective Phosphoranylation and Cyclodehydration of Triols with Diethoxytriphenylphosphorane.
Authors: KELLY J. W. , EVANS S. A. JUN.
Published: May 2016

Diethoxytriphenylphosphorane (II) selectively diphosphorylates the vicinal diol functional group in 1,2,4‐triols affording thermodynamically stable 2,2,2‐triphenyl‐1,3,2‐dioxaphospholanes.
ChemInform Abstract: Acid Chlorides of Phosphorus, Containing Adamantane.
Authors: NO B. I. , ZOTOV YU. L. , KAREV V. N. , SHISHKIN E. V.
Published: May 2016

Reaction of the adamantyl‐substituted pyrocatechol (I) with PCl3 leads to the formation of the cyclic chlorophosphite (II).
ChemInform Abstract: 1H‐1,3‐Azaphospholes. New Phospha Aromatic Compounds.
Authors: HEINICKE J.
Published: May 2016

The aminoethylphosphines (II) are coupled with the iminocarboxylates (I) to form the intermediates (III) which are converted to the 1,3‐azaphospholines (IV).
ChemInform Abstract: Fluorine Directed Lithiation in Tricarbonylarenechromium(0) Complexes: The Regiospecific Synthesis of Polysubstituted Arenes.
Authors: GILDAY J. P. , WIDDOWSON D. A.
Published: May 2016

Chromium carbonyl complexes of fluoromethoxybenzenes such as (I) undergo lithiation, electrophilic quenching and nucleophilic substitution to produce complexed polysubstituted arenes such as (V) or (VII).
ChemInform Abstract: The Oxidation of Bis(salicylhydrazonato)manganese(II) to Bis(salicylhydrazonato)peroxymanganese(IV)monopyridine and Bis(salicylhydrazonato)oxomanganese(IV)monopyridine.
Authors: TIRANT M. , SMITH T. D.
Published: May 2016

The Mn(II) compound (I) in DMF containing Py takes up O2 to form the peroxy Mn(IV) complex (II), while oxidation of (I) with iodosobenzene leads to the formation of the oxo complex (III).
ChemInform Abstract: New Type of Atropisomerism in Metal Complexes. Preparation and Resolution of (3,4‐Diacetyl‐2,5‐hexanedionato)bis((2,2′,2′′‐triaminotriethylamine)cobalt(III)) Ion.
Authors: NAKANO Y. , YOSHIKAWA Y. , KONDO H.
Published: May 2016

Starting from carbonato‐(2,2',2''‐triaminotriethylamine)‐Co(III) perchlorate, the title complex is prepared by 2:1 molar reaction of the in HCl generated aquo derivative with 3,4‐diacetyl‐2,5‐hexanedione, and isolated as its perchlorate (I).