bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: 3‐Substituted γ‐Butyrolactones from 5‐Trimethylsilyl‐2‐cyclohexenone. Synthesis of (‐)‐Enterolactone.
Authors: ASAOKA M. , FUJII N. , SHIMA K. , TAKEI H. 
Published: May 2016

AbstractThe silylated cyclohexenone (I) reacts with the Grignard compounds (II) in the presence of Cu(I) to form selectively the trans‐substituted cyclohexanones (III).
ChemInform Abstract: Nitrosation in Anhydrous Trifluoroacetic Acid Media: A Modification for Insoluble or Deactivated Amine and Amide Precursors.
Authors: KANAKARAJAN K. , HAIDER K. , CZARNIK A. W. 
Published: May 2016

AbstractAnhydrous trifluoroacetic acid proves to be a favorable solvent for the diazotization of deactivated or insoluble (het)aromatic amides.
ChemInform Abstract: Synthesis and Characterization of the Sodium and Lithium Cryptates of Macrobicyclic Ligands Incorporating Pyridine, Bipyridine, and Biisoquinoline Units.
Authors: ALPHA B. , ANKLAM E. , DESCHENAUX R. , LEHN J.‐M. , PIETRASKIEWICZ M. 
Published: May 2016

AbstractSynthetic procedures are developed for Na and Li cryptates of the macrobicyclic ligands (VI), (IX), (X)‐(XII) as it is exemplified in the scheme for the compounds (VI) and (IX).
ChemInform Abstract: Silicon‐Containing Heterocyclic Compounds. Part 52. Synthesis and Some Transformation of 3,3,7,7‐Tetrachloro‐3,7‐disilabicyclo(3.3.0)oct‐1(5)‐ene.
Authors: CHERNYSHEV E. A. , KOMALENKOVA N. G. , KEL'MAN M. YA. , ELAGINA O. V. , POLIVANOV A. N. , SLYUSARENKO T. F. , NOSOVA V. M. , RUDENKOV A. I. , VORONKOV M. G. 
Published: May 2016

Abstract1,2‐Dimethylenecyclobutane (I) reacts with dichlorosilylene, generated in situ by pyrolysis of hexachlorodisilane (II) or the dichlorosilacyclopentene (IV), to give the tetrachlorodisilabicyclooctene (III).
ChemInform Abstract: Reaction of Bis(dialkoxyphosphoryl and thiophosphoryl) Disulfides with α‐Diazoketones.
Authors: KHASKIN B. A. , SHELUCHENKO O. D. , TORGASHEVA N. A. , ISHMURATOV A. S. 
Published: May 2016

AbstractCopper‐catalyzed reaction of the thiophosphoryl disulfides (I) with diazoacetone (IIa) gives mixtures of the insertion products (IIIa) and (IVa).
ChemInform Abstract: Reaction of Dialkyl Alkynylphosphonites with Bromo‐ and Chloroacetic Acid Esters.
Authors: BURANGULOVA R. N. , TRISHIN YU. G. , KONOVALOVA I. V. , BURNAEVA L. A. , CHISTOKLETOV V. N. , PUDOVIK A. N. 
Published: May 2016

AbstractThe alkynylphosphonites (I) are coupled with the bromoacetate (II) to give the Arbuzov products (III).
ChemInform Abstract: Synthesis and Reactions of 6‐Amino‐4‐(3‐pyridyl)‐3,5‐dicyano‐2(1H)‐pyridineselone.
Authors: SHARANIN YU. A. , DYACHENKO V. D. , TUROV A. V. , LITVINOV V. P. 
Published: May 2016

AbstractThe pyridylmethylenemalononitrile (I) is refluxed with the cyanoselenoacetamide (II) in the presence of equimolar amounts of N‐methylmorpholine (III) to give the pyridineselenolate (IV).
ChemInform Abstract: Oxo‐Bridged Ta(+3) Dimers, (TaCl2L2)2(μ‐O)(μ‐SR2), Revisited. Structural Differences Between Isoelectronic μ‐O and μ‐OH Complexes.
Authors: COTTON F. A. , DIEBOLD M. P. , ROTH W. J. 
Published: May 2016

AbstractThe two title complexes (III) and (VI) are prepared according to the scheme and characterized by X‐ray structure analysis ((III): space group P21/c, Z=4; (VI): P21/a, Z=4).
ChemInform Abstract: A Samarium(II) Iodide Promoted Tandem Radical Cyclization. The Total Synthesis of (.+‐.)‐Hypnophilin and the Formal Synthesis of (.+‐.)‐Coriolin.
Authors: FEVIG T. L. , ELLIOTT R. L. , CURRAN D. P. 
Published: May 2016

AbstractThe key step in the synthesis of racemic hypnophilin (VII) is the tandem radical cyclization of the ketal (IV) in the presence of SmI2.
ChemInform Abstract: Preparative UV‐VIS Laser Photochemistry: Photocycloadditions of Methylenelactones with Benzophenone and p‐Benzoquinone. Oxygen Trapping of Paterno‐Buechi Triplet 1,4‐Diradicals as Model Reactions for Qinghaosu‐Type 1,2,4‐Trioxanes.
Authors: ADAM W. , KLIEM U. , LUCCHINI V. 
Published: May 2016

AbstractUV‐VIS laser irradiation of the pentenolide (I) with the carbonyl compounds (II) under argon atmosphere yields the acetal‐type oxetanes (IV) and/or (V).
ChemInform Abstract: Synthesis and Antineoplastic Activity of 5‐Aryl‐2,3‐dihydropyrrolo‐(2,1‐b)thiazole‐6,7‐dimethanol 6,7‐Bis(isopropylcarbamates).
Authors: LALEZARI I. , SCHWARTZ E. L. 
Published: May 2016

AbstractThe thiazolidinecarboxylic acid (I) is acylated with acetic anhydride (IIa) or the acid chlorides (IIb) to form the amides (III) which are transformed into the pyrrolothiazoles (V) by reaction with dimethyl acetylenedicarboxylate (IV).
ChemInform Abstract: Useful Route to Partially Saturated Isocoumarins. Biomimetic Syntheses of Mellein, Ramulosin, and Epiramulosin.
Authors: PIETRUSIEWICZ K. M. , SALAMONCZYK I. 
Published: May 2016

AbstractWittig reaction of the ylide (I) with the aldehydes (II) gives the cyclohexenones (III).
ChemInform Abstract: An Unusually Facile Formation of Substituted 1,2‐Dihydropyridine Derivatives: The Reversible Condensation of Pyridines with Reactive Carbonyl Groups.
Authors: KING J. A. JUN. 
Published: May 2016

AbstractTemp.‐variable spectroscopic examination (1H, 13C NMR, IR) of the reaction of pyridine (I) with acid halides such as (II) and anhydrides ((CX3‐CO)2O; X: ‐Cl, ‐F) indicates the reversible and regiospecific formation of species (III).
ChemInform Abstract: Iron‐Rhodium and Iron‐Iridium Complexes Containing One Bridging Ph2PCH2PPh2 (dppm) Ligand: Crystal Structure Determination of ((η5‐C5H5)Fe(μ‐CO)2(μ‐dppm)RhMe0.4Cl1.6).
Authors: SHAW B. L. , SMITH M. J. , STRETTON G. N. , THORNTON‐PETT M. 
Published: May 2016

AbstractTreatment of the acetyl‐Fe complex (I) with the Rh(I) dimer (II) or the Ir(I) complex (III) leads to the heterobinuclear diphosphine‐ and CO‐bridged acetyl complexes (IV) which decarbonylate in solution to give a mixture of the (methyl)chloro and dichloro derivative (Va + c) and the (methyl)chloro derivative (Vb).
ChemInform Abstract: Oxoferryl Complexes of the Halogenated (Porphinato)iron Catalyst: (Tetrakis(2,6‐dichlorophenyl)porphinato)iron.
Authors: GOLD A. , JAYARAJ K. , DOPPELT P. , WEISS R. , CHOTTARD G. , BILL E. , DING X. , TRAUTWEIN A. X. 
Published: May 2016

AbstractOxidation of (I) by MCPBA in THF or DMF yields the adducts (IIa) of the oxoferryl complex.
ChemInform Abstract: Electrochemical Studies of Nickel(II) and Cobalt(II) Complexes of Tetraazamacrocycles Bearing a Pyridine Functional Group and X‐Ray Structures of (Ni(II)(L3)Cl)ClO4 and (Ni(II)(L3)) (ClO4)2·H2O (L3: meso‐2,3,7,11,12‐Pentamethyl‐3,7,11,17‐tetraazabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene).
Authors: CHE C.‐M. , MAK S.‐T. , LEE W.‐O. , FUNG K.‐W. , MAK T. C. W. 
Published: May 2016

AbstractThe complexes (IVb) ( P21/n, Z=4) and (IVc) (P21/c, Z=4) are characterized by X‐ray diffraction studies.
ChemInform Abstract: Derivatives of (Rh6(CO)13C)2‐: Solution Structure of (Rh6H(CO)13C)‐ from NMR Measurements and the X‐Ray Crystal Structure of (Rh6(CO)11C(μ‐Ph2PCH2CH2PPh2))2‐.
Authors: BORDONI S. , HEATON B. T. , SEREGNI C. , STRONA L. , GOODFELLOW R. J. , HURSTHOUSE M. B. , THORNTON‐PETT M. , MARTINENGO S. 
Published: May 2016

AbstractMultielement NMR measurements (1H, 1H(103Rh), 13C, 13C(103Rh), and 103Rh) show that protonation of (Rh6(CO)13C)2‐ at low temp. gives (Rh6H(CO)13C)‐.
ChemInform Abstract: Convenient Synthesis of N‐Protected Amino Acid Amides.
Authors: NOZAKI S. , MURAMATSU I. 
Published: May 2016

AbstractBoc‐ or Z‐amino acids (I) are conveniently amidated at room temp. by a one‐pot procedure employing NH4+HCO3‐ (II) and N‐ethoxycarbonyl‐2‐ethoxy‐1,2‐dihydroquinoline.
ChemInform Abstract: “Armed” and “Disarmed” n‐Pentenyl Glycosides in Saccharide Couplings Leading to Oligosaccharides.
Authors: MOOTOO D. R. , KONRADSSON P. , UDODONG U. , FRASER‐REID B. 
Published: May 2016

AbstractThe benzyl protecting group of the C‐2 oxygen in the carbohydrate (Ia) effects a relatively easy hydrolytic cleavability of the pentenyl group of (Ia); i.e. the pentenyl group is "disarmed" by the 2‐O‐benzyl group.
ChemInform Abstract: Pheromone Synthesis. Part 110. Synthesis of (4S,5R)‐5‐Hydroxy‐4‐methyl‐3‐heptanone (Sitophilure), the Aggregation Pheromone of Sitophilus oryzae and S. zeamais.
Authors: MORI K. , YOSHIMURA T. , SUGAI T. 
Published: May 2016

AbstractThe racemate (±)‐(V) can be successfully resolved with (‐)‐ω‐camphanyl chloride.
ChemInform Abstract: Influence of Stoichiometry on the Electrical and Mechanical Behavior of Yttrium Oxide Ceramics.
Authors: JOLLET F. , MAIRE P. , GAUTIER M. , DURAUD J.‐P. , LE GRESSUS C. 
Published: May 2016

AbstractDepending on the O2 partial pressure, defects are created in Y2O3 ceramics which are oxygen vacancies under reduction conditions or oxygen interstitials under oxidation conditions.
ChemInform Abstract: The Adsorption of Oxygen on a Pt0.4Re0.6 Alloy Under Stationary Conditions.
Authors: MESBOUA N. , WEBER B. , CASSUTO A. 
Published: May 2016

AbstractIn the course of annealing (700‐1350 K) a Re substrate coated with 2 to 100 layers of Pt a Pt‐Re surface "alloy" is obtained.
ChemInform Abstract: Formation of ZnAl2O4 in the Presence of Cl2.
Authors: TSUCHIDA T. 
Published: May 2016

AbstractDifferences in the formation behavior of ZnAl2O4 (spinel) in diffusion couples of Al2O3 and ZnO in air and in air containing 4.8 vol% Cl2 is investigated between 1000 and 1390 °C (XRD, EPMA, SEM).
ChemInform Abstract: Aquanonadecatungstodiphosphate(14‐) Polyanion, (P2W19O69(OH2))14‐: X‐Ray Crystallographic Structure of its Potassium Salt, Chemical Relationships in the Tungstophosphate System, and Conversion into the Diaquaicosatungstodiphosphate (P2W20O70(OH2)2)10‐.
Authors: TOURNE C. M. , TOURNE G. F. 
Published: May 2016

AbstractK14(P2W19O69(OH2))·24 H2O (I) crystallizes in the orthorhombic space group Fddd with Z=16.
ChemInform Abstract: Isolation and X‐Ray Crystal Structure of the Lithiated Phosphoranide (Li(THF)cyclenP)x and the X‐Ray Crystal and Electron Diffraction Structures of cyclenPH.
Authors: LATTMAN M. , OLMSTEAD M. M. , POWER P. P. , RANKIN D. W. H. , ROBERTSON H. E. 
Published: May 2016

AbstractThe structure of the polymeric title compound (III) (space group C2, Z=18) which is prepared as shown and this of cyclenphosphorane (I) (P42/mnm, Z=2) are determined by X‐ray analysis and discussed.
ChemInform Abstract: Coupling Reactions of 4‐tert‐Butyl‐o‐benzoquinone with Olefinic Compounds.
Authors: TAKADA M. , OSHIMA R. , YAMAUCHI Y. , KUMANOTANI J. , SENO M. 
Published: May 2016

AbstractThe o‐benzoquinone (I) mentioned in the title is combined with various dienes such as 1,4‐pentadiene (II), methyl sorbate (VII), or methyl linoleate (IX).
ChemInform Abstract: Synthesis and Acid‐Catalyzed Ring Opening of 1‐Alkenyl Cyclopropyl Ketones.
Authors: TSUGE O. , KANEMASA S. , OTSUKA T. , SUZUKI T. 
Published: May 2016

Abstract1‐Alkenyl cyclopropyl ketones such as (I) or (V) activated with appropriate substituents undergo PPA‐catalyzed ring enlargement reactions to give cyclopentanone and cyclohexane derivatives such as (II)‐(IV) or (VI), (VII).
ChemInform Abstract: N‐Alkylation of 4‐Chloro‐5‐cyano‐1,2,3‐triazole with Orthoformic Acid Derivatives.
Authors: BULYCHEV YU. N. , PREOBRAZHENSKAYA M. N. , CHERNYSHEV A. I. , ESIPOV S. E. 
Published: May 2016

AbstractAlkylation of the triazole (I) with trimethyl orthoformate or DMF dimethyl acetal (II) yields mixtures of the N‐methyl derivatives (III) ‐(V).
ChemInform Abstract: The Reaction of Nitrobenzenes with Sodium Borohydride: A Novel Reductive Coupling to Diphenylamine Derivatives.
Authors: DALE J. , VIKERSVEEN L. 
Published: May 2016

AbstractIn contrast to the formation of azobenzene and azoxybenzene derivatives such as (III) (derived from 1,4‐dinitrobenzene) or (VI), diphenylamine derivatives occur when nitro compounds such as (V) and (VIII) are present in excess.
ChemInform Abstract: Preparation of 2,3‐Dihetero‐Substituted 1,3‐Dienes from Brominated 2‐Sulfolenes.
Authors: CHOU T. , LEE S.‐J. , PENG M.‐L. , SUN D.‐J. , CHOU S.‐S. P. 
Published: May 2016

AbstractThe 4‐bromosulfolenes (II), prepared by bromination of the sulfolenes (I) or (III), are treated with the nucleophiles (V) to yield a mixture of the isomeric substitution products (VI) and (VII).
ChemInform Abstract: Asymmetric Induction Reactions. Part 3. Palladium‐Catalyzed Asymmetric Sulfonylation of Allylic Sulfinates and Acetates with Chiral Phosphine Ligands.
Authors: HIROI K. , MAKINO K. 
Published: May 2016

AbstractThe allyl p‐toluenesulfinates (I) are rearranged in the presence of palladium complexes and a chiral phosphine ligand to give the optically active allylic sulfones (II), together with the sulfones (III).
ChemInform Abstract: A New Synthesis of Pentasubstituted Benzenes by Tandem Dimerization Ring Opening of 3‐Halo‐2,5‐dialkylthiophene 1,1‐Dioxides.
Authors: GRONOWITZ S. , NIKITIDIS G. , HALLBERG A. , SERVIN R. 
Published: May 2016

AbstractHeating the thiophene 1,1‐dioxides (I) in tert‐butanol for 120 to 240 hours results in the formation of the alkynylbenzenes (II).
ChemInform Abstract: Reaction of Phenol with Diacetyl in the Presence of Aluminum Phenolate.
Authors: KOZLIKOVSKII YA. B. , CHERNYAEV B. V. , MYSHKO YU. V. 
Published: May 2016

AbstractIn the presence of Al(OPh)3 the condensation of phenol (I) with diacetyl (II) yields the chromene (III) as the main product, along with the isomeric chromene (IV) and small quantities of the dibenzofuro(2,3‐b)furan (V).
ChemInform Abstract: Formation of 1‐Phenyl‐2,3‐dioxabicyclo(2.2.1)heptane in the Reaction of 1,3‐Dibromo‐4‐phenylcyclopentane with Hydrogen Peroxide in the Presence of Silver Trifluoroacetate.
Authors: TAKAHASHI K. , SHIRO M. , KISHI M. 
Published: May 2016

AbstractThe 1,3‐dibromo‐4‐phenylcyclopentanes (III) are prepared from the 4‐hydroxycyclopent‐2‐en‐1‐one (I) by known methods.
ChemInform Abstract: The Use of Organosilicon Esters for the Synthesis of Alkyl Phosphonofluoridates.
Authors: MULLER A. J. 
Published: May 2016

AbstractMethylphosphonic difluoride (I) undergoes an exothermic reaction with the tetralkoxysilanes (II), yielding the alkyl methylphosphonofluoridates (III), together with the dialkyl methylphosphonate (IVa) and silicon tetrafluoride (V).
ChemInform Abstract: The Reaction of n‐Butyllithium with Diphenylacetylene: Structure Elucidation of the Mono‐ and Dilithio Product by One‐ and Two‐Dimensional NMR Spectroscopy, X‐Ray Analysis, and MNDO Calculations. Agostic Activation by Lithium.
Authors: BAUER W. , FEIGEL M. , MUELLER G. + , VON RAGUE SCHLEYER P. 
Published: May 2016

AbstractThe mono‐lithio trans compound (III) is obtained exclusively from the title reaction in THF.
ChemInform Abstract: An Unusually Lower Barrier to Reductive Elimination of an 18‐Electron η3‐Allyl(organo)nickel(II) Complex Than Those of a 16‐Electron η3‐Allyl Counterpart and a 16‐Electron η1‐Allyl Isomer.
Authors: KUROSAWA H. , OHNISHI H. , EMOTO M. , KAWASAKI Y. , MURAI S. 
Published: May 2016

AbstractEffects of both structure and reactivity of (η3‐allyl)arylphosphine complexes e.g. (I) on the reductive elimination of allylbenzene derivatives such as (II) are studied.
ChemInform Abstract: Method of Frabricating Ceria‐Stabilized Tetragonal Zirconia Polycrystals(TZP).
Authors: BHADURI S. B. , CHAKRABORTY A. , RAO R. M. 
Published: May 2016

AbstractFabrication of toughened Ce‐TZPs by conventional low‐cost processing (ball‐milling and cold‐pressing followed by sintering) affords materials with properties which are quite comparable to other toughened zirconia related systems processed by special techniques.
ChemInform Abstract: Reaction of Protons and Molybdenum Dimers in an Ambient‐Temperature Molten Salt.
Authors: CARLIN R. T. , OSTERYOUNG R. A. 
Published: May 2016

AbstractIn the acidic AlCl3‐1‐ethyl‐3‐methylimidazolium chloride (ImCl) molten salt the Mo2Cl84‐ dimer and the Mo(III) bridging‐hydrido dimer Mo2Cl8H3‐ are shown to be interconvertible by reaction with ImHCl2 as a proton source and EtAlCl2 as a proton‐removing reagent.
ChemInform Abstract: Luminescence and UV Photoinduced Electron Transfer in Chlorocuprate(I) Complexes in Aqueous Solution at Room Temperature.
Authors: STEVENSON K. L. , BRAUN J. L. , DAVIS D. D. , KURTZ K. S. , SPARKS R. I. 
Published: May 2016

AbstractIrradiation of CuCl2‐ and CuCl32‐ in the UV region corresponding to the charge‐transfer‐to‐solvent (CTTS) at 274 nm, in neutral aqueous solutions 5 M Cl‐ ion at room temp., results in luminescence emission centered at 470‐480 nm.
ChemInform Abstract: Redox Properties and Ligand Loss Chemistry in Aqua/Hydroxo/Oxo Complexes Derived from cis‐ and trans‐((bpy)2Ru(II)(OH2)2)2+.
Authors: DOBSON J. C. , MEYER T. J. 
Published: May 2016

AbstractIn order to explore the possible role of monomeric complexes as catalytic or stoichiometric reagents for the oxidation of water, the redox and stability properties of the complexes (I) and (II) are studied.
ChemInform Abstract: Baeyer‐Villiger Reaction in the Solid State.
Authors: TODA F. , YAGI M. , KIYOSHIGE K. 
Published: May 2016

AbstractThe oxidation of the ketones (I) and (III) with m‐chloroperbenzoic acid, yielding the carboxylates (II) or (IV) and (V), is investigated in the solid state or in solution.
ChemInform Abstract: Asymmetric Synthesis of β‐Hydroxy‐α‐alkylamino Acids by Asymmetric Aldol Reaction of α‐Isocyanocarboxylates Catalyzed by Chiral Ferrocenylphosphine‐Gold(I) Complexes.
Authors: ITO Y. , SAWAMURA M. , SHIRAKAWA E. , HAYASHIZAKI K. , HAYASHI T. 
Published: May 2016

AbstractAldol reaction of isocyanocarboxylates such as (III) with aldehydes such as (IV) in the presence of an Au complex catalyst, which is prepared in situ by mixing one of the ferrocene species (I) with the Au(I) salt (II), gives optically active trans‐ and cis‐4,5‐dialkyloxazolines as it is exemplified in the scheme for (V) + (VI).
ChemInform Abstract: Reactivity of the Biheterocyclic Betaine with the para‐Substituted Phenacyl Bromides for the Ring Transformation Reaction.
Authors: YOO K. H. , KIM D. J. , KIM Y. , PARK S. W. 
Published: May 2016

AbstractThe phenacyl bromides (II) and (IV) with electron‐donating and electron‐withdrawing substituents, resp., behave differently in the reaction with the title betaine (I).
ChemInform Abstract: Generation and Cyclotrimerization of 1,4‐Dioxacyclohexyne (p‐Dioxyne).
Authors: PERICAS M. A. , RIERA A. , ROSSELL O. , SERRATOSA F. , SECO M. 
Published: May 2016

AbstractThe dibromodioxacyclohexene (I) reacts with the Pt‐complex (II) and sodium amalgam to give the organo‐platinum compound (III).
ChemInform Abstract: Sterically Congested Molecules: Synthesis, Characterization, and Unique Spectral Characteristics of Hexa‐tert.‐butyl‐Substituted Biaryl Bis(1,3,2‐oxazaphospholidines).
Authors: PASTOR S. D. , HYUN J. L. , ODORISIO P. A. , RODEBAUGH R. K. 
Published: May 2016

AbstractReaction of the alkanolamine (I) with PCl3 (II) yields the cyclic chloridite (III), which reacts with the sterically hindered phenols (IV) to give the aryloxyphospholidines (V).
ChemInform Abstract: H‐C Bond Cleavage by (η5‐Cyclopentadienyl)bis(triorganylphosphine)ruthenium Organyl Complexes.
Authors: LEHMKUHL H. , BELLENBAUM M. , GRUNDKE J. , MAUERMANN H. , KRUEGER C. + 
Published: May 2016

AbstractThe attempted preparation of (IIIa) results in isolation of the product (IVa).
ChemInform Abstract: Synthesis of Aromatic Steroids by Palladium(0) Coupling and Electrocyclic Ring Closure.
Authors: GILCHRIST T. L. , SUMMERSELL R. J. 
Published: May 2016

AbstractThe naphthylcyclopentenol (III), which is available via Pd‐catalyzed cross coupling of the bromonaphthalene (I) with the organozinc bromide derived from (II), undergoes thermal cyclization to give the estrapentaenols (IV) and (V) together with the hydrocarbon (VI).
ChemInform Abstract: Temperature Dependence of Partial and Integral Enthalpies of Mixing of Liquid Rare‐Earth‐Sn Alloys
Authors: SOMMER F. , SCHOTT J. , KRULL H.‐G. 
Published: May 2016

Abstract(La, Gd, Dy, Er in liquid Sn at infinite dilution, and a La‐rich La‐Sn alloy) is studied by solution calorimetry in the temp. range 1095‐1478 K. The experimentally obtained different temp. dependences can be explained by the association model.
ChemInform Abstract: Two Triplets Mediating Intramolecular Photochemical Abstraction of Hydrogen by Nitrogen in 4‐Acyl‐6‐alkylpyrimidines.
Authors: BRUMFIELD M. A. , AGOSTA W. C. 
Published: May 2016

AbstractDirect irradiation (> 340 nm) of (VII) and (Va) or their triplet sensitization leads to an nπ* triplet (ET ca. 70‐71 kcal/mol) whereby (VII) isomerizes (to (VIII)) but (Va) does not react.
ChemInform Abstract: Oligomethylenation of Bicyclopropylidene by Diazomethane in the Presence of Palladium(II) Acetate.
Authors: LUKIN K. A. , KUZNETSOVA T. S. , KOZHUSHKOV S. I. , PIVEN' V. A. , ZEFIROV N. S. 
Published: May 2016

AbstractIn the presence of Pd(OAc)2 the reaction between bicyclopropylidene (I) and diazomethane (II) yields the expected dispiroheptane (III) as the main product along with the hydrocarbons (IV)‐(XIII), which are the products of oligomethylenation, a novel type of reaction.
ChemInform Abstract: New Syntheses of α‐Amino Acids Based on N‐Acylimino Acetates.
Authors: BRETSCHNEIDER T. , MILTZ W. , MUENSTER P. + , STEGLICH W. 
Published: May 2016

AbstractThe reaction of N‐acylaminobromoacetates such as (I) or (IV) (via N‐acylamino acetate intermediates) with higher (or mixed) cuprates, e.g. (II), trimethylsilyl enol ethers, e.g. (V), or β‐dicarbonyl compounds, e.g. (VII), leads to a variety of amino acid derivatives such as (III), (VI), (VIII).
ChemInform Abstract: Anion‐Catalyzed Reactions of Silyl Ester Polyenolates with Electrophiles.
Authors: HERTLER W. R. , REDDY G. S. , SOGAH D. Y. 
Published: May 2016

AbstractStereochemical assignment of the trimethylsilyl ester enolates (III), synthesized from the esters (I), shows predominance of the Z‐isomers.
ChemInform Abstract: Applications of Intramolecular Amidomercuration. Part 6. Selectivity in the Amination of Allylic Alcohols via Intramolecular Amidomercuration.
Authors: HARDING K. E. , HOLLINGSWORTH D. R. 
Published: May 2016

AbstractThe allyloxymethyl carbamate (I) and its cis‐isomer (VIII) undergo Hg(II)‐promoted cyclization, followed by reductive work‐up, forming the oxazolidine (II) and the 1,3‐oxazine (III).
ChemInform Abstract: A Donor Cage with Bent Tetrathiafulvalene Moiety.
Authors: ROEHRICH J. + , WOLF P. , ENKELMANN V. , MUELLEN K. + 
Published: May 2016

AbstractChemical and electronic properties (UV, 13C NMR, cyclovoltammetry) of tetrathiafulvalene (TTF) change appreciably when the molecule is bent (see (V)) as compared to the linear structure of (VIII).
ChemInform Abstract: Lewis‐Base Adducts of Group 11 Metal(I) Compounds. Part 37. A Novel Isomerism in the Heterobimetallic 1:1 Adducts of Copper(I) Halides with Tris(dithiocarbamato)cobalt(III).
Authors: ENGELHARDT L. M. , HEALY P. C. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractBoth adducts (III) are prepared by slow interdiffusion of dilute solutions of the tris(dithiocarbamato)‐Co(III) complexes (I) and CuI (II) in acetonitrile and characterized by single‐crystal X‐ray structure determination ((IIIa): space group P21/c, Z=4; (IIIb): Ccca, Z = 8).
ChemInform Abstract: (Au2Ag4L4)2‐, (Au2Cu4L4)2‐, (Au3Cu3L4)2‐, (Cu4L3)2‐, and (Ag9L6)3‐ (L: Ethane‐1,2‐dithiolate) ‐ Novel Homoleptic Complexes of the Coinage Metals Including the First Heteronuclear Metal Thiolates.
Authors: HENKEL G. , KREBS B. , BETZ P. , FIETZ H. , SAATKAMP K. 
Published: May 2016

AbstractThe heteronuclear Au2Ag4 cluster (V) is prepared according to the scheme.
ChemInform Abstract: New Approaches to the Asymmetric Synthesis of Non‐Proteinogenic α‐Amino Acids and Dipeptides Through Chiral β‐Lactam Intermediates.
Authors: OJIMA I. , CHEN H.‐J. C. , QIU X. 
Published: May 2016

AbstractAsym. (2 + 2) cycloaddition between the ketenes (II) and the imines (III) yields the β‐lactams (IV) with high diastereomeric excess; the chiral centers in (III) have no significant influence on the asym.