bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Stable Sulfur Ylides. Part 11. Facile Preparation of Siloxydienes from Stable Sulfur Ylides.
Authors: FURUKAWA S. , IGARASHI J. , SHIMA K. , WATANABE M. , KINOSHITA T. 
Published: May 2016

AbstractThe sulfur ylides (I) and (IV) are treated with the chlorosilane (II) in the presence of triethylamine to produce the disiloxydienes (III) and the siloxyacrylates (V) respectively.
ChemInform Abstract: Synthesis, Structure, and Dynamics of (Organosilyl)anilides.
Authors: OTTER J. C. , ADAMSON C. L. , YODER C. H. , RHEINGOLD A. L. 
Published: May 2016

AbstractA variety of (organosilyl)formanilides of the type (III) and the (organosilyl)acetanilides (VII) are prepared by amination or in the case of the phenyl derivatives (IIIc) and (IIId) by transsilylation as shown for examples (yields 70‐90%).
ChemInform Abstract: Phosphino‐Stabilized Allyl Anions and Trimethylenemethane Dianions.
Authors: VAN DOORN J. A. , VAN DER HEIJDEN H. 
Published: May 2016

AbstractThe phosphino‐stabilized allyl anions (II) as well as (IV) and (V) are formed by deprotonation of the phosphinopropenes (I) and (III) with alkyl‐Li compounds.
ChemInform Abstract: Stable Cationic 17‐Electron (LM(CO)3)+ Species (L: 1,4,7‐Tribenzyl‐1,4,7‐triazacyclononane; M: Cr, Mo, W): Synthesis, Spectroscopic Properties, and Reactivity. Crystal Structure of (LMo(CO)3)(PF6)·dmf.
Authors: BEISSEL T. , DELLA VEDOVA B. S. P. C. , WIEGHARDT K. , BOESE R. 
Published: May 2016

AbstractOxidation of the neutral diamagnetic 18‐electron complexes (V) affords the cationic 17‐electron species (VI).
ChemInform Abstract: Preparation and Reactions of Sulfido and Persulfido Complexes of (Pentamethylcyclopentadienyl)tungsten.
Authors: FALLER J. W. , KUCHARCZYK R. R. , MA Y. 
Published: May 2016

AbstractThe reaction of (Ib) with an excess of (II) yields (IIIb) and the analogue of (IV) only in traces.
ChemInform Abstract: Synthesis, Crystal Structure, and Magnetic Properties of Tetranuclear Complexes Containing Exchange‐Coupled Ln2Cu2 (Ln: Gd, Dy) Species.
Authors: BENELLI C. , CANESCHI A. , GATTESCHI D. , GUILLOU O. , PARDI L. 
Published: May 2016

AbstractBy using copper Schiff base complexes to ligate lanthanoid hexafluoroacetylacetonates the complexes (VI), containing clusters of four metal ions, are synthesized.
ChemInform Abstract: Metallacyclohexadiene and Metallabenzene Chemistry. Part 3. Synthesis, Characterization, and Reaction Chemistry of a Family of 1‐Iridacyclohexa‐2,4‐diene Complexes.
Authors: BLEEKE J. R. , PENG W.‐J. , XIE Y.‐F. , CHIANG M. Y. 
Published: May 2016

AbstractA new synthetic approach to 1‐metallacyclohexa‐2,4‐diene complexes is developed, as demonstrated in the prototypical preparation of the irida compounds.
ChemInform Abstract: New Sterpurane and Isolactarane Sesquiterpenes from the Fungus Merulius tremellosus.
Authors: STERNER O. , ANKE T. , SHELDRICK W. S. , STEGLICH W. 
Published: May 2016

AbstractBesides merulidial (Ia), the compounds (IIa) and (III)‐(VI) are isolated from the culture fluid of the title fungus.
ChemInform Abstract: Reactions of 3‐Carene Oxides with Isothiuronium Salts. Synthesis and Molecular Structure of 4‐Alkylthio‐ and 4‐Alkylsulfonylcaran‐3‐ols.
Authors: ARTEMOVA N. P. , BIKBULATOVA G. SH. , PLEMENKOV V. V. , LITVINOV I. A. , KATAEVA O. N. , NAUMOV V. A. 
Published: May 2016

AbstractThe carene oxides (I) and (V) react regio‐ and stereoselectively with the S‐alkylisothiuronium salts (II) to give the stereoisomeric 4‐alkylthio‐3‐caranols (III) and (VI) which are oxidized with H2O2/AcOH, producing the corresponding sulfones (IV) and (VII) respectively.
ChemInform Abstract: Synthesis of Active‐Site Directed Inhibitors of Some β‐Glucan Hydrolases.
Authors: RODRIGUEZ E. B. , STICK R. V. 
Published: May 2016

AbstractSimilarly to the preparation of the epoxyalkyl glucosides (IV) of D‐glucose delineated in the scheme, the analogues (Va) derived from cellobiose or laminaribiose, resp., as well as the analogues (Vb)‐(Ve) from corresponding trisaccharides are synthesized.
ChemInform Abstract: Synthesis and Properties of Calamitic Liquid Crystals from Deoxygenated Carbohydrate Derivatives.
Authors: PUDLO P. , THIEM J. , VILL V. 
Published: May 2016

AbstractThe anomeric nitriles (III) and (IV) are prepared and different hydrogenation results are obtained using Pd‐C or Wilkinson catalysts.
ChemInform Abstract: A Method for Preparing Oligodeoxynucleotides Containing an Apurinic Site.
Authors: GROEBKE K. , LEUMANN C. 
Published: May 2016

Abstract2‐Deoxy‐D‐ribose (I) is converted in three steps into the phosphoramidite building block (IX) bearing a Tbs protecting group at the OH function of the anomeric center of the furanose ring.
ChemInform Abstract: Asymmetric Synthesis of Orsellinic Acid Type Macrolides: The Example of Lasiodiplodin.
Authors: SOLLADIE G. , RUBIO A. , CARRENO M. C. , GARCIA RUANO J. L. 
Published: May 2016

AbstractThe asymmetric synthesis of both enantiomers of methyl lasiodiplodin (cf.
ChemInform Abstract: Superconducting Glass‐Ceramics in the Bi‐Sr‐Ca‐Cu‐O System.
Authors: DE GUIRE M. R. , BANSAL N. P. , KIM C. J. 
Published: May 2016

AbstractThe crystallization behavior during reheating of Bi1.5SrCaCu2Oz (prepared in the glassy state by rapid quenching from the melt) is studied by DTA, XRD, SEM, and resistivity measurements.
ChemInform Abstract: Wide‐Range Tuning of the Titanium Dioxide Flat‐Band Potential by Adsorption of Fluoride and Hydrofluoric Acid.
Authors: WANG C. M. , MALLOUK T. E. 
Published: May 2016

AbstractA study of the adsorption of fluoride, (HF)nF‐ ions, and hydrofluoric acid at the surface of n‐type TiO2‐xFx (x ≈ 0.001) electrodes by using electrochemical methods show that fluoride and (HF)nF‐ species with n = 1, 2 are strongly adsorbed at the (001) surface from MeCN/Et4NF solution.
ChemInform Abstract: Reactions of Silica‐Supported Copper Oxide as a Regenerable Sorbent for Flue Gas Desulfurization.
Authors: VAN DER GRIFT C. J. G. , GEUS J. W. 
Published: May 2016

AbstractThe reactivity of two well characterized (XRD, IR) silica‐supported copper oxide sorbents, exhibiting different copper particle size distribution, towards dynamic gas atmospheres containing mixtures of N2, H2, O2, and SO2 is investigated by means of temp.‐programmed reactions.
ChemInform Abstract: New Syntheses of Xenon Hexafluoride (XeF6) and Xenon Tetrafluoride (XeF4).
Authors: NIELSEN J. B. , KINKEAD S. A. , PURSON J. D. , ELLER P. G. 
Published: May 2016

AbstractXeF6 is prepared in 62% yield by reaction of xenon with excess fluorine in a modified "hot wire" reactor at low pressure (50‐70 torr) and high temp. (700‐800 °C).
ChemInform Abstract: Crystallographic Characterization of the Polyoxotungstate (Eu3(H2O)3(SbW9O33)(W5O18)3)18‐ and Energy Transfer in its Crystalline Lattices.
Authors: YAMASE T. , NARUKE H. , SASAKI Y. 
Published: May 2016

AbstractThe new mixed polytungstate (IV) crystallizes in the monoclinic system, space group C2/m, Z=4.
ChemInform Abstract: Linear Coordinative Bonding at Oxygen: A Spectroscopic and Structural Study of Phosphine Oxide‐Group 13 Lewis Acid Adducts.
Authors: BURFORD N. , ROYAN B. W. , VON H. SPENCE R. E. , CAMERON T. S. , LINDEN A. , ROGERS R. D. 
Published: May 2016

AbstractAdducts such as (I) are studied by multinuclear NMR spectroscopy in CH2Cl2 solution and by X‐ray crystallography of the three compounds (I) (for all space group R3, Z = 6).
ChemInform Abstract: Tellurapyrylium Dyes as Catalysts for the Conversion of Singlet Oxygen and Water to Hydrogen Peroxide.
Authors: DETTY M. R. , GIBSON S. L. 
Published: May 2016

AbstractNovel catalytic reactions of tellurapyrylium dye (I) that utilize the Te(IV) species (II) as an intermediate are studied, kinetic data are determined.
ChemInform Abstract: Chromium and Tungsten Pentacarbonyl Groups as Reactivity Auxiliaries in the Diels‐Alder Reactions of Alkenyl Carbene Complexes with 1,3‐Dienes.
Authors: WULFF W. D. , BAUTA W. E. , KAESLER R. W. , LANKFORD P. J. , MILLER R. A. , MURRAY C. K. , YANG D. C. 
Published: May 2016

AbstractThe Diels‐Alder reactions of Fischer carbene complexes are studied for 10 complexes with 11 different 1,3‐dienes.
ChemInform Abstract: Intramolecular Arene Hydrogenation at Niobium Metal Centres: Stereochemical Consequences.
Authors: STEFFEY B. D. , ROTHWELL I. P. 
Published: May 2016

AbstractHydrogenation of the niobium complex (I) in toluene followed by hydrolysis yields a mixture of the dicyclohexylphenol (II), the cyclohexylphenylphenol (III), and 2,6‐diphenylphenol (IV).
ChemInform Abstract: Diastereoselective Synthesis of 2,6‐Disubstituted 3‐Hydroxypiperidine, 2‐(α‐Hydroxyalkyl)‐3‐hydroxypiperidine, and 2‐(α‐Hydroxyalkyl)‐3‐hydroxypyrrolidine Derivatives.
Authors: KANO S. , YUASA Y. , MOCHIZUKI N. , SHIBUYA S. 
Published: May 2016

AbstractReduction of the oxazolopyridinones (I) with sodium borohydride or K‐Selectride takes place stereoselectively to produce the alcohols (II) or (III), depending on the reaction conditions.
ChemInform Abstract: Homolytic Alkylation of Heteroaromatic Bases: The Problem of Monoalkylation.
Authors: FONTANA F. , MINISCI F. , NOGUEIRA BARBOSA M. C. , VISMARA E. 
Published: May 2016

AbstractThe silver‐catalyzed decarboxylation of carboxylic acids such as (II) by persulfate leads to alkyl radicals, which are utilized for the selective alkylation of bases such as (I).
ChemInform Abstract: Synthesis of a New Chiral Phase‐Transfer Catalyst: Chemical Activity in Alkylation Reactions.
Authors: VALLI V. L. K. , SARMA G. V. M. , CHOUDARY B. M. 
Published: May 2016

AbstractThe catalyst (III), available starting from D‐(+)‐tartaric acid via the known intermediate (I) is found to be more active than the conventional tetraalkylammonium salts in alkylation reactions of active methylene compounds under usual solid‐liquid phase‐transfer conditions.
ChemInform Abstract: New Catalytic System for the Activation of Carbon Dioxide and Alkynes Based on Electrogenerated Nickel Complexes.
Authors: DUNACH E. , PERICHON J. 
Published: May 2016

AbstractCarboxylation of the alkynes (I) with carbon dioxide (II) is achieved by electrolysis in the presence of a Ni(0) catalyst between a magnesium anode and a carbon fibre cathode, yielding the acrylic acids (III) as the main products.
ChemInform Abstract: Mechanism of Wittig Reaction: Evidence Against Betaine Intermediates.
Authors: VEDEJS E. , MARTH C. F. 
Published: May 2016

AbstractThe ratio of oxaphosphetane pseudorotamers (III) and (IV) obtained from the Wittig reaction of ylide (I) and the aldehyde (II) is determined at conditions where the interconversion of isomers by pseudorotation is slow (in the range of 2.7‐6.5:1).
ChemInform Abstract: A Versatile Method for the N,N‐Dialkylation of Aromatic Amines via Grignard Reactions on N,N‐Bis(benzotriazolylmethyl)arylamines.
Authors: KATRITZKY A. R. , RACHWAL S. , WU J. 
Published: May 2016

AbstractGrignard reactions of N,N‐bis(benzotriazolylmethyl)arylamines such as (I) afford the N,N‐dialkylarylamines (IV) in high yields.
ChemInform Abstract: Reinvestigation of a Reported Synthesis of a Series of Tetracarbonylmethanes.
Authors: LEE‐RUFF E. , KWONG P. , KOPKINSON A. C. 
Published: May 2016

AbstractThe aroyl chlorides (I) react with diethyl bromomalonate (II) in the presence of tributylarsine to produce the benzoyloxybenzylidenemalonates (III).
ChemInform Abstract: Preorganized Bis‐ethynes: Molecular π‐Tweezers?
Authors: VOEGTLE F. + , PAPKALLA T. , KOCH H. , NIEGER M. 
Published: May 2016

AbstractThe naphthalenes (V) and (VI) (X‐ray analysis for (VIb): space group P1; Z=2) are synthesized for the first time.
ChemInform Abstract: Alkoxide‐Mediated Oxidative Ring Expansion of Benzocyclobutenes. A New Route to 3,4‐Dihydroisocoumarins.
Authors: SHISHIDO K. , HIROYA K. , YAMASHITA A. , TOKUNAGA Y. , FUKUMOTO K. 
Published: May 2016

AbstractThe dianion of the methoxybenzocyclobutenecarboxylic acid (I) reacts with the methyl esters (II) to produce enolates via decarboxylation.
ChemInform Abstract: Structurally Simple α,β‐Butenolides. Part 8. 5‐Haloalkyl‐ and 3‐Bromo‐5‐hydroxyalkyl‐2(5H)‐furanones.
Authors: FONT J. , SANCHEZ‐FERRANDO F. , SEGURA C. , PINIELLA J. F. , JEFFREY G. A. , RUBLE J. R. 
Published: May 2016

AbstractBromine or NBS react with sorbic acid (I) under the conditions shown in the scheme to give the separable isomers (IIa + b) (X‐ray analysis of (IIa): space group P42/n; Z = 8) and the bromohydrin (III).
ChemInform Abstract: A Convenient Method for the Stereoselective Preparation of trans‐2‐Hydroxymethyltetrahydrofurans by the Oxidative Cyclization of 5‐Hydroxy‐1‐alkenes with Molecular Oxygen Catalyzed by a Cobalt(II) Complex.
Authors: INOKI S. , MUKAIYAMA T. 
Published: May 2016

AbstractThe hydroxy‐1‐alkenes (I) or (IV) undergo oxidative cyclization with molecular oxygen in the presence of Co(II) complexes to form the corresponding 2‐hydroxymethyltetrahydrofurans (II) or (V).
ChemInform Abstract: Preparation of Novel 4‐Substituted 6‐Methoxy‐, 6,7‐Dimethoxy‐, and 6,7‐(Methylenedioxy)isochroman‐3‐ones. Part 2.
Authors: KHANAPURE S. P. , BIEHL E. R. 
Published: May 2016

AbstractThe bromo(methoxymethyl)benzenes (III) and (VII), prepared by conventional methods, are coupled with the acetonitriles (VIII) in the presence of lithium or sodium amides to form the o‐(methoxymethyl)phenylacetonitriles (IX) or (XII) via aryne intermediates.
ChemInform Abstract: Stereochemistry Associated with the Addition of 2‐(Trimethylsilyl)thiazole to Differentially Protected α‐Amino Aldehydes. Applications Toward the Synthesis of Amino Sugars and Sphingosines.
Authors: DONDONI A. , FANTIN G. , FOGAGNOLO M. , PEDRINI P. 
Published: May 2016

AbstractThe chiral α‐amino aldehydes (I) are coupled with 2‐(trimethylsilyl)thiazole (II) to give the vicinal amino alcohols (III) and (IV) after O‐desilylation.
ChemInform Abstract: Enolate Ions. Part 2. Convenient Synthesis of 3,4‐Dihydro‐2,4‐dioxo‐2H‐pyrans and 2‐Pyrones. ‐ Enolate Ions as Synthetic Equivalents of 1,3‐Dianions. ‐ Crystal‐ and Molecular Structure of Ethyl 6‐Ethoxy‐3,4‐dihydro‐3,3‐dimethyl‐2,4‐dioxo‐2H‐pyran‐5‐carboxylate.
Authors: SAALFRANK R. W. , GUENDEL J. + , ROSSMANN G. , HANEK M. , ROST W. , PETERS K. , VON SCHNERING H. G. 
Published: May 2016

AbstractWhereas the dioxopyran (IVb) isomerizes by heating with AlCl3 to give the pyrone (V), no such isomerization is observed from the compounds (IVa) and (IVc).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structures of Isonipecotinamide Derivatives as Reverse Amide Analogues of Fentanyl.
Authors: BORNE R. F. , GATCHELL C. L. , KLEIN C. L. , HARRIS J. , ELLIS P. 
Published: May 2016

AbstractThe isonipecotinamide derivatives (II), (VIII) and (IX) (obtained similarly to (VIII)), which represent reverse amide derivatives of the potent analgetic fentanyl (III), are evaluated for analgetic activity.
ChemInform Abstract: Conjugate Addition of 2‐Lithio‐2‐(2,2‐dimethoxyethyl)‐1,3‐dithiane to Enones.
Authors: REDDY C. L. , REDDY M. P. , NAGARAJAN M. 
Published: May 2016

AbstractThe title compound (III) is obtained by an improved and economical synthesis.
ChemInform Abstract: Pyrano(3,2‐c)azepine, a New Heterocyclic System. A New Approach to Pyrido(3,2‐c)azepines.
Authors: KOCEVAR M. , POLANC S. , TISLER M. , VERCEK B. 
Published: May 2016

AbstractSchmidt reaction of the oxotetrahydrocoumarin (I) produces the tetrahydropyranoazepinediones (III).
ChemInform Abstract: Bridging of Macrodithionolactones to Bicyclic Systems. Synthesis and Modeling of Oxapolycyclic Frameworks.
Authors: NICOLAOU K. C. , HWANG C.‐K. , MARRON B. E. , DEFREES S. A. , COULADOUROS E. A. , ABE Y. , CARROLL P. J. , SNYDER J. P. 
Published: May 2016

AbstractThe title reaction leads to stable bicyclic systems, e.g. (II), (VI) and (IX), as major products.
ChemInform Abstract: S,S‐Dialkyl O‐Trimethylsilyl Dithiophosphites in Reactions with Alkyl Halides, Carboxylic Acid Halides, and Dialkyl Halophosphites.
Authors: AL'FONSOV V. A. , NIZAMOV I. S. , TRUSENEV A. G. , BATYEVA E. S. , PUDOVIK A. N. 
Published: May 2016

AbstractThe S,S‐dialkyl O‐trimethylsilyl phosphites (I) are coupled with the alkyl(acyl)halides (II), (IV), and (VI) to give the dithiophosphonates (III), (V), and (VII).
ChemInform Abstract: Synthesis of Dialkoxy(thio)phosphoryliminothiazolidin‐4‐ones.
Authors: KAMALOV R. M. , KHAILOVA N. A. , PUDOVIK M. A. , PUDOVIK A. N. 
Published: May 2016

AbstractThe (thio)phosphorylureas (I) are coupled with chloroacetic acid derivatives such as the methyl ester (II) to give the (thio)phosphoryliminothiazolidinones (III).
ChemInform Abstract: Synthesis and Structural Characterization of the Cyclic Species (GeN(2,6‐i‐Pr2C6H3))3: The First “Germanazene”.
Authors: BARTLETT R. A. , POWER P. P. 
Published: May 2016

AbstractThe synthesized title compound (III) (space group P1, Z=2) is characterized by X‐ray structure analysis.
ChemInform Abstract: Synthesis of Molybdenum Imido Alkylidene Complexes and Some Reactions Involving Acyclic Olefins.
Authors: SCHROCK R. R. , MURDZEK J. S. , BAZAN G. C. , ROBBINS J. , DIMARE M. , O'REGAN M. 
Published: May 2016

AbstractThe imido neopentylidene‐Mo complex (IV) is obtained as shown and converted into the olate derivatives (VI).
ChemInform Abstract: Conjugate Addition of a Chiral Manganese Acetylide Complex to Epoxides, Vinyl Ketones, and Heterocumulenes.
Authors: LUGAN N. , KELLEY C. , TERRY M. R. , GEOFFROY G. L. , RHEINGOLD A. L. 
Published: May 2016

AbstractThe preparation of the title acetylide (III) and its reaction with epoxides, vinyl ketones and heterocumulenes such as (IV), (VII) and (IX) to give the products (V), (VIII) or (X) are described.
ChemInform Abstract: Synthesis and Reactions of Coordinatively Unsaturated μ3‐Alkylidyne Clusters; X‐Ray Crystal Structures of the Phosphido Bridged Complexes (WFe2(μ3‐CR)(μ‐H)(μ‐PPh2)(CO)6(η‐C5H5)) and (WFe2(μ3‐CR)(μ‐C(O)C(Me)CHMe)(μ‐PEt2)(CO)5(η‐C5H5)) (R: C6H4Me‐4).
Authors: JEFFERY J. C. , LAWRENCE‐SMITH J. G. 
Published: May 2016

AbstractThe thermal decarbonylation of complexes (I) and of the mixture (VI)/(VII) gives the coordinatively unsaturated derivatives (II) (space group P1, Z=2) and (VIII), respectively, which readily react with CO to regenerate their saturated precursors.
ChemInform Abstract: Reactivity of Bis(diphenylphosphino)methane in Cationic Octahedral Iron(II) Derivatives. X‐Ray Structure of mer‐(FeCl((Ph2P)2C(AuPPh3)2)(CNPh)3)PF6.
Authors: RIERA V. , RUIZ J. , SOLANS X. , TAULER E. 
Published: May 2016

AbstractDeprotonation of the cationic complexes (I) yields the octahedral iron(II) bis(diphenylphosphino)methanide derivatives of type (II).
ChemInform Abstract: Interception of Copper Polysulfide Clusters in the Reaction of Copper and Sulfur in Donor Solvents: Polysulfide Complexes as the Link Between Molecular and Nonmolecular Metal Sulfides.
Authors: RAMLI E. , RAUCHFUSS T. B. , STERN C. L. 
Published: May 2016

AbstractIf the reaction, which leads to CuS (covellite) at reflux temp., is carried out at 25 °C a crystalline solid is obtained, which is identified as (IV) ( P21/n, Z=4).
ChemInform Abstract: Preparative, Structural, and Magnetic Studies of 2‐Hydroxypyridinate Complexes of Diruthenium(II).
Authors: COTTON F. A. , REN T. , EGLIN J. L. 
Published: May 2016

Abstract(IIIb) is prepared by the method described for (V) using molten bromopyridinol (yield 70%).
ChemInform Abstract: Synthesis and Structural Study of Neutral Mononuclear and Anionic Binuclear 2,4,6‐Trifluorophenyl Derivatives of Palladium(II). Crystal Structure of (P(CH2Ph)Ph3)2((C6F3H2)2Pd(μ‐SCN)(μ‐NCS)Pd(C6F3H2)2).
Authors: LOPEZ G. , GARCIA G. , SANTANA M. D. , SANCHEZ G. , RUIZ J. , HERMOSO J. A. , VEGAS A. , MARTINEZ‐RIPOLL M. 
Published: May 2016

AbstractThe synthesized diaryldibenzonitrile‐Pd(II) (IV) is used as a precursor to prepare neutral derivatives with tert. phosphines, arsine, or phosphites such as (V) and the anionic binuclear chloro‐bridged complex (VIII).
ChemInform Abstract: Enantioselective Syntheses of Isotopically Labeled α‐Amino Acids. Preparation of (ε‐13C)‐L‐α‐Aminoadipic Acid and Five Isotopomers of L‐Lysine with 13C, 15N and 2H in the δ‐ and ε‐Positions.
Authors: RAAP J. , VAN DER WIELEN C. M. , LUGTENBURG J. 
Published: May 2016

AbstractThe asymmetric synthesis of (ε‐13C)‐L‐α‐aminoadipic acid (VI) and various isotopomers (VII) and (VIIIa)‐(VIIId) of L‐lysine is described as shown for (VI) and (VII).
ChemInform Abstract: Chemoenzymatic Synthesis and Characterization of L‐Tryptophans Selectively 13C‐Enriched or Hydroxylated in the Six‐Membered Ring Using Transformed Escherichia coli Cells.
Authors: VAN DEN BERG E. M. M. , JANSEN F. J. H. M. , DE GOEDE A. T. J. W. , BALDEW A. U. , LUGTENBURG J. 
Published: May 2016

AbstractThe 3a‐ and 6‐13C‐labeled tryptophans (XIa) and (XIb) are prepared as shown for (XIa) from simple labeled precursors such as (II).
ChemInform Abstract: A New Synthesis of 1‐Amino‐2,2‐dialkylcyclopropanecarboxylic Acids from β‐Chloroimines.
Authors: DE KIMPE N. , SULMON P. 
Published: May 2016

AbstractThe β‐chloroaldehyde (I) is converted into the α‐amino nitrile (V) which is N‐chlorinated with tert‐butyl hypochlorite, forming the N‐chloro amine (VI).
ChemInform Abstract: Intramolecular N‐(Acyloxy)iminium Ion‐Alkyne Cycloadditions. A New Route to Bicyclic α‐Amino Ketones.
Authors: FISHER M. J. , OVERMAN L. E. 
Published: May 2016

AbstractVarious cyclic α‐ethoxy carbamates bearing an unsaturated side chain, e.g. (VII), are prepared and subjected to intramolecular Diels‐Alder reaction induced by tin tetrachloride to yield tricyclic 1,3‐oxazinone derivatives, e.g. (IX), (X), or (XI) and minor amounts of (XII).
ChemInform Abstract: Synthesis of Covalently Linked Double‐Helical Cross Sections Representative of Purine‐Pyrimidine, Purine‐Purine, and Pyrimidine‐Pyrimidine Duplexes.
Authors: DEVADAS B. , LEONARD N. J. 
Published: May 2016

AbstractThe classical Watson‐Crick double‐helical model of DNA/RNA possesses well‐defined hydrogen bonds that hold the two strands in complementarity.
ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 15. Cycloadditions in Syntheses. Part 44. Dimethyl rel‐(1S,2S,3R,4R)‐2‐(2,3‐Epoxy‐4‐hydroxymethylcyclopent‐1‐yl)malonate as a Novel Building Block for Carbocyclic Arabinosyl Nucleosides.
Authors: KATAGIRI N. , NOMURA M. , KANEKO C. 
Published: May 2016

AbstractTi(IV)‐catalyzed cycloaddition reaction of cyclopentadiene (I) with the acetoxymethylenemalonate (II) yields a mixture of the acetoxynorbornenedicarboxylates (III) which are oxidized with a peracid, forming the epoxides (IV).
ChemInform Abstract: Acid‐Stable 2′‐Fluoro Purine Dideoxynucleosides as Active Agents Against HIV.
Authors: MARQUEZ V. E. , TSENG C. K.‐H. , MITSUYA H. , AOKI S. , KELLEY J. A. , FORD H. JUN. , ROTH J. S. , BRODER S. , JOHNS D. G. , DRISCOLL J. S. 
Published: May 2016

AbstractThe preparation of the title compounds (I) as acid‐stable analogues of the anti‐HIV 2 drugs (II) is described in the original paper.
ChemInform Abstract: Plasma Nitriding of Titanium Particles in a Fluidized Bed Reactor at a Reduced Pressure.
Authors: OKUBO T. , KAWAMURA H. , KUSAKABE K. , MOROOKA S. 
Published: May 2016

AbstractTitanium particles of 46‐74 μm diameter are successfully fluidized by a N2 gas flow at a pressure of ∼100 Pa and a nitride layer is formed with the assistance of a radio‐frequency plasma discharge.
ChemInform Abstract: Mechanical and Optical Properties of TiN CVD Film on Ceramic.
Authors: NAKAMURA S. , YOSHIOKA S. , HIRANO T. , YAMAMOTO Y. , SUZAKI Y. , SHIKAMA T. , SUITA Y. 
Published: May 2016

AbstractTiN films of 0.5‐0.8 μm thickness are grown on a 3 Al2O3·2 SiO2 ceramic support by CVD using NH3 and TiCl4 as precursors.
ChemInform Abstract: Ba2EuIrO6 ‐ Single Crystal Investigation on a 6L Stacking Variant of Perovskite.
Authors: LANG CH. , MUELLER‐BUSCHBAUM HK. + 
Published: May 2016

AbstractSingle crystals of the title compound, prepared by solid state reaction in a BaCl2 flux (BaCO3:Eu2O3:BaCl2 = 1:1:20, presence of Ir, O2 atmosphere, 1000 °C), belong to the hexagonal space group P63/mmc with Z=3.