bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Methylchlorocarbene: Measurement of Rate Constants for 1,2‐Hydrogen Migration and Addition to Alkenes.
Authors: LIU M. T. H. , BONNEAU R. 
Published: May 2016

AbstractThe following rate constants are reported: for 1,2‐H migration in carbene (II) (3.04 ±0.05)·106 s‐1 for ylide (IV) formation (8.86 ±0.10)·109 M‐1 s‐1 for addition of (II) to Me2C=CMe2 and Bu‐CH=CH2 (1.32 ±0.06)·109 and (2.10 ±0.05)·107 M‐1 s‐1 respectively.
ChemInform Abstract: Nitrosation of Acetylacetone (Pentane‐2,4‐dione) and Some of Its Fluorinated Derivatives.
Authors: CROOKES M. J. , ROY P. , WILLIAMS D. L. H. 
Published: May 2016

AbstractThe formation of the expected oximes is shown to proceed by nitrosation of the enols (IIa) and (IIb) exclusively or predominantly, whereas (Ic) is nitrosated exclusively via the enolate form.
ChemInform Abstract: A General, High Yield Synthesis of α‐Oxoketene Dithioacetals and O‐(1‐Alkoxy‐2,2‐dialkylvinyl) S‐Alkyl Dithiocarbonates from Carboxylic Esters.
Authors: ALI S. M. , TANIMOTO S. 
Published: May 2016

AbstractThe α‐disubstituted esters (I) react consecutively with LDA, carbon disulfide (II), and alkyl halides such as methyl iodide (III) to give the O‐(1‐alkoxyvinyl) dithiocarbonates (IV).
ChemInform Abstract: Asymmetric Induction in a Palladium‐Catalyzed TMM Cycloaddition. Mechanistic Implications Regarding the Reactive Intermediate.
Authors: TROST B. M. , YANG B. , MILLER M. L. 
Published: May 2016

AbstractHigh diastereofacial selectivity is observed in the cycloaddition of the chiral alkene (I) with the silyl compound (II).
ChemInform Abstract: 1,4‐Bishomo(6)prismane (Garudane): Molecular Structure and Strain Analysis of Reactions Potentially Leading to Prismanes.
Authors: OSAWA E. , BARBIRIC D. A. , LEE O. S. , KITANO Y. , PADMA S. , MEHTA G. 
Published: May 2016

AbstractThe proposed structure of garudane (Ia), the face‐to‐face D2h dimer of norbornadiene, is confirmed by X‐ray analysis of ester (Ib) (space group C2/c with Z=4).
ChemInform Abstract: Chiral Diacetylenes and Polydiacetylenes Derived from L‐α‐Amino Acids.
Authors: BOLTON E. C. , MILBURN G. H. W. , THOMSON G. A. 
Published: May 2016

AbstractThe optically active amino acids (I) are esterified with propargylic alcohol (II) to produce the esters (III) which are N‐acylated and subsequently dimerized in the presence of oxygen and copper(I) chloride to give the chiral diacetylenes (VI).
ChemInform Abstract: Metacyclophanes and Related Compounds. Part 24. Preparation and Reaction of Trimethyl(2.2.2)‐ and Tetramethyl(2.2.2.2)metacyclophane.
Authors: TASHIRO M. , WATANABE T. , TSUGE A. , SAWADA T. , MATAKA S. 
Published: May 2016

AbstractThe metacyclophanes (VI) mentioned in the title are prepared by coupling the dichloride (I) with the dithiols (II), followed by Ramberg‐Baecklund ring contraction and de‐tert‐butylation.
ChemInform Abstract: Methyl Fluorosulfonyldifluoroacetate. A New Trifluoromethylating Agent.
Authors: CHEN Q.‐Y. , WU S.‐W. 
Published: May 2016

AbstractThe agent (II) mentioned in the title reacts with the halides (I) to give the trifluoromethylated derivatives (III) with simultaneous elimination of SO2, CO2, and methyl halide.
ChemInform Abstract: Iptycene Synthesis. A New Method for Attaching a 2,3‐Anthracene Moiety to the 9,10‐Positions of Another Anthracene Moiety. Exceptional Conditions for a Lewis Acid‐Catalyzed Diels‐Alder Reaction.
Authors: CHEN Y.‐S. , HART H. 
Published: May 2016

AbstractThe key step in the synthesis of heptiptycene (V) from pentiptycene (II) is the Diels‐Alder reaction with 1,4‐anthraquinone (I) in the presence of excess aluminum trichloride.
ChemInform Abstract: A New Utilization of the Reaction of (1‐Methyl‐2‐indolyl)cyanocuprate with Electrophiles.
Authors: ISHIKURA M. , TERASHIMA M. 
Published: May 2016

AbstractN‐Methylindole (I) is converted to the cyanocuprate (IV) which reacts with the allylic or vinylic electrophiles (V) to form the 2‐substituted indoles (VI).
ChemInform Abstract: Synthesis of Some Thiazoline and Thiazolidinone Derivatives of 1,4‐Benzoquinone as Potential Antimicrobial Agents.
Authors: EL‐KHAWASS S. M. , KHALIL M. A. , CHAABAN I. 
Published: May 2016

AbstractThe new benzoquinones (III) and (V) are prepared by cyclization of the thiosemicarbazides (I) with the halo ketones (II) or the bromoacetate (IV).
ChemInform Abstract: N‐Benzhydryltryptamines and 1,1‐Diphenyltetrahydro‐β‐carbolines: Synthesis, X‐Ray Crystal Structure, and Benzodiazepine Receptor Affinity.
Authors: BALSAMINI C. , SPADONI G. , DURANTI E. , CERRINI S. , LAMBA D. , FEDELI W. 
Published: May 2016

AbstractReaction of the tryptamines (I) with the benzophenones (II) in the presence of BF3‐etherate yields the benzhydryltryptamines (III) after reduction.
ChemInform Abstract: Ring Transformations of Phenacylidenepyrrolidines: Synthesis of 5‐(3‐Aminopropyl)isoxazoles.
Authors: DANNHARDT G. , OBERGRUSBERGER I. 
Published: May 2016

AbstractThe enaminones (I) react with hydroxylamine hydrochloride (II) to give the isoxazoles (IV) via the spiro intermediate (III).
ChemInform Abstract: Reactions with 2‐Methylthiopyrimidines. Synthesis of Some New Fused Pyrimidines.
Authors: EL‐REEDY A. M. , HUSSAIN S. M. , ALI A. S. , ABDEL‐MOTTY F. 
Published: May 2016

AbstractThe dihydrazinopyrimidine (III), prepared by reaction of the pyrimidine (I) with hydrazine hydrate (II), reacts with sodium nitrite (IV) to give the ditetrazolopyrimidine (V).
ChemInform Abstract: Synthesis of Substituted Pyrimidines, Pyrazolo(3,4‐d)pyrimidines, and Imidazo(4,5‐d)pyrimidines and Evaluation of Their Antifungal Activity.
Authors: RONSISVALLE G. , PAPPALARDO M. S. , VITTORIO F. , PASQUINUCCI L. , BOUSQUET E. , OLIVERI S. , CAMMARATA E. 
Published: May 2016

AbstractThe thienyl sulfides (III) and (VII) are prepared by coupling the mercaptopyrimidines (I) and (VI) with the bromothiophene (II).
ChemInform Abstract: Reaction of 5,5‐Diphenyl‐2‐thiohydantoin with 1,4‐Dibromobutane. The Crystal and Molecular Structure of 2,3,4,5‐Tetrahydro‐7,7‐diphenylimidazo(2,1‐b)thiazepine‐8(7H)‐one.
Authors: KIEC‐KONONOWICZ K. , ZATORSKI A. , KAROLAK‐WOJCIECHOWSKA J. 
Published: May 2016

AbstractA mixture of the heterobicycles (III) and (IV) is obtained in the reaction of the potassium salt (I) of a diphenylthiohydantoin with 1,4‐dibromobutane (II), while the thiohydantoin (V) itself reacts with (II) under phase‐transfer conditions to give almost exclusively the compound (IV).
ChemInform Abstract: Reactions of Complex Ligands. Part 34. Synthesis of 1,3‐Oxaphospholes via Chromium‐Mediated Cyclization of Carbenes, Carbon Monoxide, and Phosphaalkynes.
Authors: DOETZ K. H. + , TIRILIOMIS A. , HARMS K. 
Published: May 2016

AbstractReaction of the chromium carbene complex (I) with the phosphaalkyne (II) gives the annulation product (III) and the oxaphosphole (IV).
ChemInform Abstract: Thermolysis of Cyclotrigermane: Simple Preparation of Digermetanes Containing a Germanium‐Germanium Bond.
Authors: ANDO W. , TSUMURAYA T. 
Published: May 2016

AbstractThe cycloaddition reactions of the cyclotrigermane (I) with the butadiene (II), formaldehyde (V), and thiobenzophenone (VII) are studied.
ChemInform Abstract: Heteronuclear Transition Metal‐Alkyne Clusters. Part 1. Reactions of Tris(alkyne)monocarbonyltungsten Complexes with Octacarbonyldicobalt. Synthesis, X‐Ray Crystal Structure, and Two‐Dimensional NMR Studies of (WCo2(μ‐C2Et2)(μ‐C4Et4)(CO)8).
Authors: SCOTT I. D. , SMITH D. O. , WENT M. J. , FARRUGIA L. J. 
Published: May 2016

AbstractThe structure of (IIIa) is confirmed by an X‐ray analysis (P21, Z=2).
ChemInform Abstract: Synthesis, Spectroscopic Characterization, Magnetic Properties, and Electronic Structure of New Copper(II) μ‐Isophthalato Dimers.
Authors: SHAKHATREH S. K. , BAKALBASSIS E. G. , TSIPIS C. A. , MROZINSKI J. 
Published: May 2016

AbstractSome new complexes such as (I) (78% yield) are obtained on reaction of piperidinium isophthalate with Cu perchlorate and amines (diethylenetriamine, 2,2'‐bipyridine, 1,10‐phenanthroline) in MeOH.
ChemInform Abstract: Autoxidation of a Dicopper(I) Macrocyclic Complex: Evidence for a Mixed‐Valence Intermediate.
Authors: CABRAL M. F. , CABRAL J. , TROCHA‐GRIMSHAW J. , MCKILLOP K. P. , NELSON S. M. , NELSON J. 
Published: May 2016

AbstractInteraction of O2 with (I) proceeds via an intermediate species, whose electronic and ESR spectra suggest a mixed‐valence formulation (II).
ChemInform Abstract: Kinetic Resolution of Unnatural and Rarely Occurring Amino Acids: Enantioselective Hydrolysis of N‐Acyl Amino Acids Catalyzed by Acylase I.
Authors: CHENAULT H. K. , DAHMER J. , WHITESIDES G. M. 
Published: May 2016

AbstractThe initial rates of the enzyme‐catalyzed hydrolysis of over 50 N‐acylamino acids and analogues and the resolution of 11 amino acids, e.g. (I), are reported.
ChemInform Abstract: Synthesis of γ,δ‐Unsaturated α‐Amino Acids from Allylsilanes and Glycidyl Cation Equivalents.
Authors: MOOIWEER H. H. , HIEMSTRA H. , SPECKAMP W. N. 
Published: May 2016

AbstractReaction of the glycidyl cations derived from Lewis acid treatment of the glycine derivatives (I) or (IV) with the allylsilanes (II) or (V) gives the title compounds (III) or (VI).
ChemInform Abstract: Synthesis and Biological Studies of Simplified Analogues of Lyngbyatoxin A: Use of an Isoxazoline‐Based Indole Synthesis. Quest for Protein Kinase C Modulators.
Authors: KOZIKOWSKI A. P. , SATO K. , BASU A. , LAZO J. S. 
Published: May 2016

AbstractLyngbyatoxin A, a potent tumor promoter, activates protein kinase C which serves as an important phosphorylating enzyme.
ChemInform Abstract: FT‐IR Spectral Study of Intramolecular Hydrogen Bonding in Thromboxane A2 Receptor Antagonist S‐145 and Related Compounds. Part 1.
Authors: TAKASUKA M. , YAMAKAWA M. , WATANABE F. 
Published: May 2016

AbstractWith regard to drug conformation and drug design the FT‐IR spectra are measured for the thromboxane A2 receptor antagonists S‐145 (Ia) and BM‐13177 (IIa) and the agonist U‐46619 (III) as well as for analogs (Ib), (IIb), and 6 model compounds such as lauric acid, Me‐(CH2)16‐COOMe, Me‐NH‐SO2‐Ph, and 3‐hydroxyoct‐1‐ene.
ChemInform Abstract: Steric Activity of the Central Atom Free Valence Electron Pairs in Free BrF‐ 6 and IF‐ 6 Ions.
Authors: CHRISTE K. O. , WILSON W. W. 
Published: May 2016

AbstractRaman polarization and 19F NMR spectra are recorded for MeCN solutions of CsBrF6 and CsIF6.
ChemInform Abstract: X‐Ray Structural Study of Ferromagnetic Vitreous 0.5 La0.7Sr0.3MnO30.5 B2O3.
Authors: MATSUBARA E. , WASEDA Y. , INOMATA K. , HASHIMOTO S. 
Published: May 2016

AbstractMeasurements of the ordinary XRD profile and of the anomalous X‐ray scattering profiles at the Sr K‐absorption edge in the title oxide glass show a highly ordered perovskite‐like region (La0.7Sr0.3MnO3) and a random network structure consisting of BO3 triangles to coexist in the title glass.
ChemInform Abstract: Moessbauer Investigation of the Li2FeCl4 Polymorphs
Authors: LUTZ H. D. , PFITZNER A. , SCHMIDT W. , RIEDEL E. , PRICK D. 
Published: May 2016

Abstractconfirms an inverse spinel structure and a disordered distribution of the cations on the octahedral sites for the HT polymorph of Li2FeCl4 as well as the 1:1 ordering of Li+ and Fe2+ ions on the octahedral sites in the orthorhombic room‐temp.
ChemInform Abstract: Photoluminescence and Impedance Study of p‐GaAs/Electrolyte Interfaces Under Cathodic Bias: Evidence for Flat‐Band Potential Shift During Illumination and Introduction of High‐Density Surface States by Pt Treatment.
Authors: UOSAKI K. , SHIGEMATSU Y. , KANEKO S. , KITA H. 
Published: May 2016

AbstractThe photoelectrochemical hydrogen evolution reaction (HER) at etched and Pt‐treated p‐GaAs electrodes is studied by determining both space layer widths and surface recombination velocities by photoluminescence measurements with excitation light of several wavelengths.
ChemInform Abstract: Synthesis of Large‐Sized SAPO‐5 Crystals with Silicon Occupying Predominantly Phosphorus‐T Sites.
Authors: FINGER G. , JAHN E. , ZEIGAN D. , ZIBROWIUS B. , SZULZEWSKY K. , RICHTER‐MENDAU J. , BUELOW M. + 
Published: May 2016

AbstractSilicoaluminophosphates of the type SAPO‐5 with low content of silicon are synthesized by crystallization of gels of formal composition (I) in Teflon‐lined autoclaves under autogenic pressure at 453‐475 K for 12‐36 h. The morphology and the dimensions of the SAPO‐5 crystals and in particular their purity are shown to be distinctly influenced by the gel composition.
ChemInform Abstract: Study of Jarosite Formation.
Authors: MARTIN A. , FELTZ A. 
Published: May 2016

AbstractThe hydrolytic precipitation of Fe3+ ions from a Fe2(SO4)3 solution with KOH yields jarosite KFe3(OH)6(SO4)2 as the sole compound detectable by XRD if the mole ratio KOH:Fe3+ is in the range 0.5‐2.0 independent of the reaction temperature.
ChemInform Abstract: Free‐Radical Approach to C‐C Bond Formation of a Trifluoromethyl‐Substituted Carbon. Intramolecular Cyclization.
Authors: MORIKAWA T. , UEJIMA M. , KOBAYASHI Y. 
Published: May 2016

AbstractThe O‐thioimidazolide derivatives (I) of 1‐trifluoromethylhexen‐5‐ols undergo radical‐induced cyclization to form the (trifluoromethyl)cyclopentanes (II).
ChemInform Abstract: Atom Transfer Cyclization Reactions of α‐Iodo Esters, Ketones, and Malonates: Examples of Selective 5‐Exo, 6‐Endo, 6‐Exo, and 7‐Endo Ring Closures.
Authors: CURRAN D. P. , CHANG C.‐T. 
Published: May 2016

Abstractα‐Iodo ω‐unsaturated carbonyl compounds such as (I) or (V) are subjected to radical‐induced cyclization reactions, initiated either by the use of AIBN or by irradiation with sun light in the presence of a hexaalkyldistannane.
ChemInform Abstract: Photochemical Rearrangement of 3‐Allylindoline‐2‐thiones to 2‐Allylthioindoles.
Authors: NISHIO T. 
Published: May 2016

AbstractDuring studies on the photochemical reactivity of cyclic nitrogen‐thiocarbonyl systems, photochemical rearrangement of some 3‐allylindoline‐2‐thiones such as (I) is found to yield the 2‐allylthioindoles (II).
ChemInform Abstract: Short Effective Synthesis of α‐Fluoro Ketones by Palladium‐Catalyzed Decarboxylation Reactions of Allyl α‐Fluoro‐β‐ketocarboxylates.
Authors: SHIMIZU I. , ISHII H. 
Published: May 2016

AbstractThe allyl 2‐fluoro‐3‐oxocarboxylates (II) are decarboxylated in the presence of palladium phosphine catalysts: using THF as the solvent, the 2‐allylated α‐fluoro ketones (III) are formed, whereas in acetonitrile, the fluoro enones (IV) are obtained.
ChemInform Abstract: Catalytic Cyclopropanation of Alkenes with Ethyl Nitrodiazoacetate. A Facile Synthesis of Ethyl 1‐Nitrocyclopropanecarboxylates.
Authors: O'BANNON P. E. , DAILEY W. P. 
Published: May 2016

AbstractEthyl nitrodiazoacetate (I) undergoes Rh(II)‐catalyzed coupling with alkenes such as (II) to form cyclopropanes such as (III), together with ene products, e.g. (IV).
ChemInform Abstract: Acyclic Stereoselection in the Alkylation of Chiral Dipole‐Stabilized Organolithiums: A Self‐Immolative Chirality Transfer Process for the Synthesis of Primary Amines.
Authors: GAWLEY R. E. , REIN K. , CHEMBURKAR S. 
Published: May 2016

AbstractThe chiral N‐arylmethyloxazolidinone (I) is regio‐ and diastereoselectively alkylated at the benzylic position to give the derivatives (III) which are almost optically pure after recrystallization.
ChemInform Abstract: Synthesis of Naphthoquinone Derivatives. Part 9. A Synthetic Route of 1,4,8‐Trimethoxy‐2‐naphthalenecarbaldehyde via Duff Formylation of 4,8‐Dimethoxy‐1‐naphthol.
Authors: TANOUE Y. , TERADA A. , MATSUMOTO Y. 
Published: May 2016

AbstractThe desired aldehyde (VI) is prepared by a convenient route using the optimized conditions shown in the scheme.
ChemInform Abstract: Reactions of a Semistabilized Arsonium Ylide with Aldehydes: Counterion Effects on Product Selectivity.
Authors: HSI J. D. , KOREEDA M. 
Published: May 2016

AbstractThe aldehyde (I) reacts with the ylide, generated from triphenylallylarsonium tetrafluoroborate (II) and potassium hexamethyldisilazide, to form the diene (III) exclusively.
ChemInform Abstract: The Regioselective Side‐Chain Lithiation of 2‐Methyl‐3‐thiophenecarboxylic Acid.
Authors: SU H.‐W. , HIROSE K. , SHIRAI K. , KUMAMOTO T. 
Published: May 2016

AbstractSurprisingly, with 2 equiv. LDA only one dianion is formed from (III) while BuLi generates a mixture of two isomeric dianions.
ChemInform Abstract: An Unusual Dimer of 2‐Mercaptothiophene.
Authors: PONTICELLO G. S. , HABECKER C. N. , VARGA S. L. , PITZENBERGER S. M. 
Published: May 2016

AbstractOn standing several months in a refrigerator, 2‐mercaptothiophene (I) forms the dimer (II).
ChemInform Abstract: Synthesis and Antifungal Activities of 1‐(p‐Methyl‐α‐(4‐(1H‐pyrrol‐1‐yl)phenyl)benzyl)azoles and Some Related Products.
Authors: MASSA S. , STEFANCICH G. , CORELLI F. , SILVESTRI R. , MAI A. , ARTICO M. , PANICO S. , SIMONETTI N. 
Published: May 2016

AbstractThe diarylmethanol (I) is converted to the diarylmethylimidazole (III) which is reduced and coupled with the acid chlorides (IV) to produce the amides (V).
ChemInform Abstract: An Efficient Method for the Synthesis of Trifluoromethyl‐Substituted Heterocycles.
Authors: LINDERMAN R. J. , KIROLLOS K. S. 
Published: May 2016

AbstractThe 1‐alkynyl di‐ or trifluoromethyl ketones (I) undergo cyclocondensation with hydrazine (II), forming the pyrazoles (III).
ChemInform Abstract: 1,3‐Dipolar Cycloaddition of 1‐Methyl‐3‐oxidopyridinium and Sulfonylethenes. A Synthesis of 2‐Tropanols and Monofluorinated 2‐Tropanol.
Authors: TAKAHASHI T. , HAGI T. , KITANO K. , TAKEUCHI Y. , KOIZUMI T. 
Published: May 2016

AbstractThe oxidopyridinium agent (I) reacts with the electron‐defficient olefins (II), forming the bicyclic adducts (III).
ChemInform Abstract: Novel Alkylation with Tetrathiotungstates and Tetrathiomolybdates: Facile Synthesis of Disulfides from Alkyl Halides.
Authors: DHAR P. , CHANDRASEKARAN S. 
Published: May 2016

AbstractThe alkyl halides (I) are treated with piperidinium tetrathiometalates such as (II) to form the disulfides (III).
ChemInform Abstract: Imidazo(1,2‐b)pyridazines. Part 5. Syntheses and Central Nervous Activities of Some 3‐Alkoxy‐6‐benzylthio(substituted benzylthio and other phenylalkylthio)‐2‐phenyl(and substituted phenyl)imidazo(1,2‐b)pyridazines.
Authors: BARLIN G. B. , DAVIES L. P. , IRELAND S. J. , NGU M. M. L. 
Published: May 2016

AbstractThirty‐one title compounds of type (V) are prepared and examined for their ability to displace 3H‐diazepam from rat brain membranes.
ChemInform Abstract: New Isoxazole Derivatives Provided with Antihypertensive Activity.
Authors: CARENZI A. , CHIARINO D. , NAPOLETANO M. , REGGIANI A. , SALA A. , SALA R. 
Published: May 2016

AbstractThe isoxazolecarboxylic chloride (I) reacts with piperazine (IIa) or 1,4‐diazacycloheptane (IIb) to give the amides (III).
ChemInform Abstract: Synthesis and X‐Ray Structures of Compounds Having Very Short Phosphorus‐Phosphorus Single Bonds: How Much of the Shortening in P‐P Double Bonds is Due to p‐p π‐Overlap?
Authors: PESTANA D. C. , POWER P. P. 
Published: May 2016

AbstractThe compounds (I) are synthesized in moderate yield ((Ia): 48%) by oxidation of the corresponding lithium phosphinidene borate precursors using CrCl3 (X‐ray structure analysis for (Ia) at 130 K: space group Fdd2, Z=8 and (Ib) at 130 K: Pbca, Z=8).
ChemInform Abstract: Formation of Reactive Cationic Iron Clusters by Halogen Exchange and Abstraction from Nonacarbonylbis(μ3‐fluoromethylidyne)triiron with Lewis Acids.
Authors: LENTZ D. , MICHAEL H. 
Published: May 2016

AbstractThe applicability of the bis(μ3‐fluoromethylidyne)triiron cluster (I) as a starting material for the preparation of bis(μ3‐alkylidyne)triiron clusters is studied.
ChemInform Abstract: Sulfur(IV) Compounds as Ligands. Part 9. Binuclear Molybdenum‐Rhodium Complexes with Sulfur Dioxide as a Bridging Ligand.
Authors: SCHENK W. A. , HILPERT G. H. J. 
Published: May 2016

AbstractThe heterobinuclear complexes (VII) are the first compounds which contain SO2 as a bridging ligand connected with two metal atoms from different groups of the periodic table.
ChemInform Abstract: Facile Substitution of Triphenylphosphine in Wilkinson′s Catalyst by Sn(NtBu)2SiMe2. Syntheses and Molecular Structures of Square‐Planar and Homoleptic Trigonal‐Bipyramidal Stannylene Complexes of Rhodium(I).
Authors: VEITH M. , STAHL L. , HUCH V. 
Published: May 2016

AbstractThe cyclic stannylene (II) seems to be a highly useful ligand in its ability to stabilize low‐valent metal complexes.
ChemInform Abstract: Synthesis of Unprotected (.+‐.)‐Tunichrome An‐1, a Tunicate Blood Pigment.
Authors: HORENSTEIN B. A. , NAKANISHI K. 
Published: May 2016

AbstractThe unstable, oxygen‐sensitive title compound (XII) can be successfully isolated from Py/HF by fractional precipitation with a CH2Cl2‐based solvent system.
ChemInform Abstract: Convenient Synthesis of 4‐Methylhistamine and Racemic α,4‐Dimethylhistamine and α,4‐Dimethylhistidine.
Authors: DAVEY D. D. , LUMMA W. C. JUN. 
Published: May 2016

AbstractStarting with the imidazole derivative (I), the synthesis of the three title compounds (VIIa), (VIIb), and (XII) is achieved as shown in the reaction scheme.
ChemInform Abstract: Solid‐State 51V NMR Structural Studies on Supported Vanadium(V) Oxide Catalysts: Vanadium Oxide Surface Layers on Alumina and Titania Supports.
Authors: ECKERT H. , WACHS I. E. 
Published: May 2016

AbstractSolid‐state wide‐line, MAS, and pulse excitation NMR techniques are applied in a study of the influence of vanadium(V) oxide surface coverage, the nature of the oxide support, and the extent of hydration upon the structure of the supported vanadium phases.
ChemInform Abstract: Lamellar Inorganic Ion Exchangers. H+/Cs+ Ion Exchange in γ‐Titanium Phosphate.
Authors: GONZALEZ E. , LLAVONA R. , GARCIA J. R. , RODRIGUEZ J. 
Published: May 2016

AbstractFrom exchange isotherms and titration and hydrolysis curves obtained at 25.0, 40.0, and 55.0 °C by using CsCl + HCl and CsCl + CsOH solutions combined with XRD to follow the ion‐exchange process and the thermal behavior of the exchanged solids the following results are obtained: The easy retention of Cs+ by γ‐titanium phosphate (γ‐TiP), Ti(HPO4)2·2 H2O, in acidic media results in the formation of a crystalline phase H1.5Cs0.5·2 H2O (with an interlayer distance of 11.6 Å) without hydrolysis of the exchanger.
ChemInform Abstract: Conformation of 6‐Amino‐6‐deoxyhexonolactams.
Authors: KEFURT K. , KEFURTOVA Z. , TRSKA P. , BLAHA K. , FRIC I. , JARY J. 
Published: May 2016

AbstractThe interpretation of CD studies of title compounds such as (Ia)‐(IIIa) and five further isomers (all investigated together with their acetyl derivatives; cf.
ChemInform Abstract: Homochiral Fluoroorganic Compounds. Part 12. α‐Hydroxy β‐Fluoro Aldehydes and Esters, Fluoro Epoxides and Glycols from Fluorinated Sulfinyl Chirons.
Authors: BRAVO P. , PIOVOSI E. , RESNATI G. 
Published: May 2016

Abstractα‐Fluoro‐α'‐sulfinyl ketones carrying an α'‐aryl (or alkyl) substituent, e.g. (I) or (VIII), are reduced with high diastereoselectivity to give the corresponding sec. alcohols (II) or (IX).
ChemInform Abstract: Synthesis of Chiral Cyclic α‐p‐Tolylsulfinyl Ketones.
Authors: CARRENO M. C. , GARCIA RUANO J. L. , PEDREGAL C. , RUBIO A. 
Published: May 2016

AbstractReactions of (‐)‐menthyl toluene‐p‐sulfinate (V) with the cycloalkanones (I) give mixtures of the diastereomeric sulfoxides (II) and (III) without epimerization of sulfur.
ChemInform Abstract: Tandem Michael Addition‐1,3‐Dipolar Cycloaddition of Imines of α‐Amino Acid Esters and Aminoacetonitrile.
Authors: BARR D. A. , DONEGAN G. , GRIGG R. 
Published: May 2016

AbstractCycloadducts, e.g. (III) and (IV), and Michael adducts, e.g. (VI), are obtained from the reaction of the title imines (I) with alkenes.