bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Inter‐ and Intramolecular Insertion of Rhenium into Carbon‐Hydrogen Bonds.
Authors: WENZEL T. T. , BERGMAN R. G. 
Published: May 2016

AbstractThe Re(I) compound (II) is prepared by Na/ H reduction of the trichloro‐Re(III) complex (I) as shown. UV irradiation of (II) in benzene, cyclopropane, n‐hexane, or cyclopentane at corresponding temp. liberates PMe3 and gives the respective intermolecular C‐ H insertion products (III).
ChemInform Abstract: Radical Chain Mechanism for Alkyl Rearrangement in Organocobalt Complexes.
Authors: SAMSEL E. G. , KOCHI J. K. 
Published: May 2016

AbstractThe 5‐hexenyl‐Co(III) complexes (II) of various Schiff bases are prepared as shown. Their molecular rearrangement giving the cyclopentylmethyl complexes (III) is demonstrated to proceed via an unusual radical chain process.
ChemInform Abstract: Phenylazo Derivatives of 1,8‐Naphthalimides and of 7H‐Benzimidazo‐ [2,1‐a]benz[d,e]isoquinolin‐7‐ones: Dyes for Synthetic Polymer Fibres.
Authors: PETERS A. T. , BIDE M. J. 
Published: May 2016

AbstractDie beiden stellungsisomeren Amino‐naphthoesäureanhydride (Ia) und (Ib) werden diazotiert und auf (II) gekuppelt.
ChemInform Abstract: Synthesis of (±)‐Ircinianin, a Marine Sponge Sesterterpene.
Authors: TAKEDA K. , SATO M. , YOSHII E. 
Published: May 2016

AbstractThe aldehyde ester (I) is converted to the chloro derivatives (II) and (III), which are intermediates in the synthesis of the sesterterpene (±)‐ircinianin (IV).
ChemInform Abstract: Synthetic Studies on Rabdosia diterpene Lactones. Part 1. The Preparation of a Key Tricyclic Intermediate.
Authors: KENNY M. J. , MANDER L. N. , SETHI S. P. 
Published: May 2016

AbstractThe key step in the Synthesis of the diterpene lactone (IX) is the conversion of the diazoketone (VI) to the tricyclic intermediate (VII) which is transformed into (IX) via (VIII).
ChemInform Abstract: N‐Carboxylate Ion Equivalent. Part 2. Novel Transformations of N‐Benzyloxycarbonyl (Z) Group and N‐Allyloxycarbonyl Group into N‐tert‐Butyldimethylsilyloxycarbonyl Intermediate.
Authors: SAKAITANI M. , KUROKAWA N. , OHFUNE Y. 
Published: May 2016

AbstractThe N‐benzyloxycarbonyl‐ and N‐allyloxycarbonylamino esters (I) are converted to the tert‐butyldimethylsiloxycarbonyl‐protected derivat‐ig ves (IV) by reaction with the silane (II) in the presence of Pd‐acetate (III).
ChemInform Abstract: Synthesis of α‐Amino‐β‐hydroxy Acids Using [N,N‐Bis(trimethylsilyl)amino]ketene bis(trimethylsilyl) Acetal or Its N‐Methyl‐N‐trimethylsilyl Analog.
Authors: HVIDT T. , MARTIN O. R. , SZAREK W. A. 
Published: May 2016

AbstractThe glycine derivatives (I) are silylated to give (III).
ChemInform Abstract: A Stereoselective Synthesis of the Hydronaphthalene Substructure of Kijanolide.
Authors: MARSHALL J. A. , GROTE J. , SHEARER B. 
Published: May 2016

AbstractÜber zahlreiche z.Tl. skizzierte Zwischenstufen werden aus (I) die Hydronaphthalin‐Derivate (IV) erhalten, von denen (IVa) eine Teilstruktur des Antibioticums Kijanimicin in sterisch richtiger Anordnung darstellt.
ChemInform Abstract: A Total Synthesis of Plumericin, Allamcin, and Allamandin. Part 2. A Biomimetic Strategy.
Authors: TROST B. M. , BALKOVEC J. M. , MAO M. K.‐T. 
Published: May 2016

AbstractBased on methods described in the preceding paper and further preliminary synthetic studies, the iridoids plumericin (XVIc), allamcin (XIVa) and allamandin (XVII) are prepared from the ketone (I).
ChemInform Abstract: Microbiological Synthesis of Variously Protected L‐Glyceraldehydes in High Optical Purity.
Authors: GUANTI G. , BANFI L. , NARISANO E. 
Published: May 2016

AbstractThe reaction of the methoxy methylamides (I) with the lithio dithiane (II) yields the acyl derivatives (III), which are reduced to the dithioacetal alcohols (IV) by baker′s yeast.
ChemInform Abstract: Can the Bis(diboranyl) Structure of B4H10 Be Observed?
Authors: MCKEE M. L. 
Published: May 2016

AbstractA theoretical exploration of the potential energy surface connecting the two structures (I) and (II) results in the prediction that it may be possible to use IR spectroscopy to detect (II) as a minor component under pyrolysis conditions that favor B4H10 formation.
ChemInform Abstract: Epitaxy of GaAs by the Close‐Spaced Vapor Transport (CSVT) Technique.
Authors: COTE D. , DODELET J. P. , LOMBOS B. A. , DICKSON J. I. 
Published: May 2016

AbstractThe epitaxial deposition of GaAs is realized by CSVT on GaAs Substrates and confirmed by X‐ray diffraction and SEM.
ChemInform Abstract: Investigation of the Reaction of Sulfur with Sodium Nitrite in DMF, DMSO, and HMPA.
Authors: SEEL F. , SIMON G. , SCHUH J. , WAGNER M. , WOLF B. , RUPPERT I. , WIECKOWSKI A. B. 
Published: May 2016

AbstractThe course of the complex title reaction and the great number of products ( N2O , NO, Na2S2O3 , (SO4)2‐ , Sx‐ , polythionates, NO3‐ ), are explained with the assumption that at first perthionitrates, NaS3NO2, are formed which decompose to give either N2O and S2O32‐ , or react with N02‐ yielding N03‐ and NaS2N0 which dissociates reversibly into NaS3 and N0.
ChemInform Abstract: Photoelectrochemical Cells with n‐Type ZnSe and n‐Type Sb,Se3 Thin Film Semiconductor Electrodes.
Authors: ROY C. B. , NANDI D. K. , MAHAPATRA P. K. 
Published: May 2016

AbstractThe conversion efficiencies of cells based on thin film semiconductor electrodes made of Sb2Se3 and ZnSe in a I‐/I3‐ electrolyte are found to be low (0.13% and 0.03%).
ChemInform Abstract: Carbon‐13 Nuclear Magnetic Resonance Study of Ternary Complexes Involving Zinc(II) and Triethylenetetramine.
Authors: DAGNALL S. P. , HAGUE D. N. , MORETON A. D. 
Published: May 2016

AbstractThe 13C NMR spectra are reported as a function of pH for mixtures of triethylenetetramine and zinc nitrate with additional bidentate ligands.
ChemInform Abstract: One‐Pot Preparation of α‐Cyanovinyl Ethers (2‐Alkoxy‐2‐alkenenitriles) from Vinyl Ethers: Elaboration to 3‐Alkoxy‐2‐oxo‐3‐alkenenitriles and Aluminium Chloride‐ Catalyzed Cycloadditions to Cyclopentadiene.
Authors: HOFFMANN H. M. R. , GIESEL K. , LIES R. , ISMAIL Z. M. 
Published: May 2016

AbstractThe α‐cyanovinyl ethers (III) prepared by 3 different methods are converted to the acyl cyanides (XI) and the cycloadducts (XIII).
ChemInform Abstract: Unimolecular Dissociation of Primary Alkanediazonium Ions. Ab initio and Semiempirical MO Calculations.
Authors: FORD G. P. 
Published: May 2016

AbstractMolecular orbital calculations for the loss of nitrogen from the methane, ethane, and propanediazonium ions are reported with use of semiempirical (MNDO, AM1) and ab initio procedures.
ChemInform Abstract: Comparative Study of the Reactivity of β‐Dicarbonyl Compounds and of Enamino Ketone Analogues Toward Heterocyclic Amines.
Authors: MAQUESTIAU A. , VANDEN EYNDE J.‐J. 
Published: May 2016

AbstractRefluxing the diketones (II) with the amines (I) in MeCN or Ac‐ OH gives the Compounds (III) or (IV).
ChemInform Abstract: Cyclobutarenes. Part 2. Azaquinomethanes as Reactive Intermediates: Synthesis of Cyclobuta[b]pyridine and Cyclobuta[b]pyrazine Derivatives.
Authors: SHEPHERD M. K. 
Published: May 2016

AbstractThe tetrabromide (II) reacts via a quinomethane intermediate (VII) to the cyclobutarene (VIII).
ChemInform Abstract: o‐Quinonoid Compounds. Part 19. Relative Migratory Aptitudes for Doubly and Triply Bonded Groups in 1,3‐Dimethyldibenz[e,g]indenes.
Authors: COLLETT M. J. , JONES D. W. , RENYARD S. J. 
Published: May 2016

AbstractThe 1,5‐sigmatropic shift of the unsaturated groups R is ca. 100‐times faster in the title compounds (I) [prepared by various methods] than in the corresponding 1‐substituted simple 1,3‐dimethylindenes.
ChemInform Abstract: Solvent‐ and Reagent‐induced Change of Rate‐limiting Step in Acid‐catalysed α‐Halogenation of Amidines with Tetrahalogenomethanes.
Authors: LOEFAS S. + , AHLBERG P. 
Published: May 2016

AbstractIn DMF the acid‐catalysed halogenation of the amidine (I) with CCl4 proves to be first‐order in Substrate, close to zero‐order in CCl4, and close to first‐order in acid, indicating rate‐limiting formation of the aminal tautomer (II).
ChemInform Abstract: Electrochemical Fluorination of Aminoalkyl Ethers.
Authors: MOORE G. G. J. , HANSEN J. C. , BARRETT T. M. , WADDELL J. E. , JEWELL K. M. , KESTNER T. A. , PAYFER R. M. 
Published: May 2016

AbstractThe electrochemical fluorination of the symmetrical and unsymmetrical aminoalkyl ethers (I) and the diamino diethylethers (II) is studied.
ChemInform Abstract: Terminal Olefin Oxidation: A Simple Synthesis of Dihydrojasmone.
Authors: CHATTOPADHYAY A. , MAMDAPUR V. R. 
Published: May 2016

Abstract2‐Methyll‐octen (III), das aus 3‐Chlor‐2‐methylpropen‐(1) (I) und Pentylmagnesiumbromid (II) in Gegenwart katalytischer Mengen Dilithiumtetrachlorocuprat dargestellt werden kann, wird mit Essigsäure in Gegenwart von Mangan(III)‐acetat bei 140‐150°C vorwiegend in 4‐Methyl‐4‐n‐ hexyl‐y‐butyrolacton (IV) umgewandelt.
ChemInform Abstract: Thermotropic Liquid Crystals Containing the Dispiro[5.1.5.1]tetradecane Unit.
Authors: CALAMINUS W. , VOEGTLE F. + , EIDENSCHINK R. 
Published: May 2016

AbstractThermal [π2σ + π2a] cycloaddition of the acid chlorides (I) produces the title compounds (II); the cis/trans isomers (III)/(IV) formed (in the cases R ≠ H) can be separated by chromatography or by crystallization.
ChemInform Abstract: An Improved Method for the Conversion of Certain Aromatic Carboxylic Acids into Benzylic Chlorides.
Authors: COSTELLO A. T. , MILNER D. J. 
Published: May 2016

AbstractDie Benzoesäuren (I) werden gemäß Schema in einer Eintopfreaktion in die Benzylchloride (II) übergeführt.
ChemInform Abstract: Synthesis of 2‐Acetoxy‐2‐methoxy‐4‐acetoxymethyl‐3,5‐cyclohexadien‐1‐one by Lead Tetraacetate Oxidation of Homovanillic Acid.
Authors: HUNTER N. R. , PLOURDE G. 
Published: May 2016

AbstractOxidation von Homovanillinsäure (II) mit Blei(IV)‐acetat liefert nicht das erwartete Lacton (III), sondern die im Titel genannte zweifach acetylierte Verbindung (I).
ChemInform Abstract: Conversion of Anthraquinone to 2‐Aminoanthraquinone.
Authors: LEVENTAL' YU. K. , STUDZINSKII O. P. , PONOMAREVA R. P. 
Published: May 2016

AbstractIn konzentrierter Salpetersäure gelöstes Anthrachinon (I) wird zu wäßrig alkoholischer Natriumdithionitlösung gegeben, wobei 2‐Aminoanthrachinon (II) neben wenig 1‐Aminoanthrachinon entsteht.
ChemInform Abstract: Synthesis of Both Enantiomers of Optically Pure Saturated and α,β‐Unsaturated γ‐Substituted γ‐Lactones from Chiral Sulphoxides. X‐Ray Molecular Structure of (3R,4S)‐4‐Methyl‐4‐t‐butyl‐3‐(p‐tolylthio)butanolide and of (3R,4R)‐4‐(Cyclohex‐1‐enyl)‐4‐methyl‐3‐(p‐tolylthio)butanolide.
Authors: ALBINATI A. , BRAVO P. , GANAZZOLI F. , RESNATI G. , VIANI F. 
Published: May 2016

AbstractThe acids (III) are prepared from the sulphoxides (I); dimetallation produces a chiral homoenolate dianion equivalent which adds to the carbonyl compounds (IV) to give the sulphinyl hydroxy acids (V).
ChemInform Abstract: Reaction of 1‐Methyl‐2,3‐dinitropyrrole with Methoxide Ion.
Authors: DI LORENZO A. , MENCARELLI P. , STEGEL F. 
Published: May 2016

AbstractDie Umsetzung des Dinitropyrrols (I) mit Nucleophilen erfolgt unter Substitution in 2‐Stellung zu (II).
ChemInform Abstract: A Simple Synthesis of 3‐Substituted 1‐Amino‐2‐thioxo‐4‐imidazolidinones (1‐Aminothiohydantoine).
Authors: JACOBSEN N. , TOELBERG J. 
Published: May 2016

AbstractThe alkyl or aryl isothiocyanates (I) react with ethyl hydrazinoacetate (II) in presence of triethylamine yielding the title compounds (IV).
ChemInform Abstract: Ethyl‐p‐nitrophenyl Esters of Halogenoalkanephosphonic Acids.
Authors: BLINOVA G. G. , BUROVA O. N. , LAVRENT'EV A. N. , MEL'NIKOVA L. N. 
Published: May 2016

AbstractDie Phosphonsäureesterchloride (I) reagieren mit Natrium‐p‐nitrophenolat (II) in Acetonitril zu den gemischten Phosphonsäureestern (III).
ChemInform Abstract: Amidoesters of Thiophosphoric Acids. Part 8. Reaction of Thiophosphoric Acid Chlorides with Aminophenoles.
Authors: GUPALO A. P. , KHMILEVSKAYA M. I. , TURKEVICH V. V. , VAS'KIV A. P. 
Published: May 2016

AbstractDie Thiophosphorsäurechloride (I) und (V) reagieren mit den Aminophenolen (I I) zu den Thioestern (III) und (VI) bzw. den Esteramiden (IV).
ChemInform Abstract: Reaction of a Halogenophosphenium Ion with Cyclo‐octa‐1,5‐diene.
Authors: WEISSMAN S. A. , BAXTER S. G. , ARIF A. M. , COWLEY A. H. 
Published: May 2016

AbstractThe halophosphenium ion (I) is coupled with cycloocta‐1,5‐diene (II) yielding (III).
ChemInform Abstract: Chemistry of Di‐ and Tri‐metal Complexes with Bridging Carbene or Carbyne Ligands. Part 44. Formation of Unsaturated Dimetal Compounds with Elimination of Alkylidyne Groups; X‐Ray Crystal Structures of [FeW(μ‐PPh2)(CO)5{HB(pz)3}][HB(pz)3 = Tris(pyrazol‐1‐yl)borate] and [RhW(μ‐CO)2(CO)(PPh3)2(η‐C5H5)].
Authors: HOSKINS S. V. , JAMES A. P. , JEFFERY J. C. , STONE F. G. A. 
Published: May 2016

AbstractTreatment of the methylidyne‐bridged Fe‐W complexes (I) with diphenylphosphine gives the derivatives (II) with phosphine coordination on Fe centre.
ChemInform Abstract: Preparation of cis‐Folded Macrocyclic Nickel(II) Complexes and the Kinetics of Their Base‐Catalysed Conversion to Planar Species.
Authors: HAY R. W. , PUJARI M. P. 
Published: May 2016

AbstractThe violet folded cis‐complexes (I) are prepared by treatment of macrocyclic Complexes [NiL](ClO4)2 with ethylenediamine in water (no yields given).
ChemInform Abstract: Synthesis of Poly‐Schiff Bases and Some Copper(II) and Manganese(II) Polychelates.
Authors: PATEL M. N. , PATEL M. M. , CASSIDY P. E. , FITCH J. W. 
Published: May 2016

AbstractThe poly‐Schiff bases (III) and, analogously, (IV) are synthesized by a condensation reaction of hydroxyketones with aromatic diamines.
ChemInform Abstract: Metal Complexes of 2,6‐Diacetylpyridine Bis(thiosemicarbazone): Their Preparation, Characterization and Antitumour Activity.
Authors: MOHAN M. , SHARMA P. , KUMAR M. , JHA N. K. 
Published: May 2016

AbstractThe l :l molar reactions of corresponding metal(II) salts in MeOH or of K2PtCl4 in H2O with the title ligand HzL, prepared from thiosemicarbazide and 2,6‐diacetylpyridine in 90% yield, lead to Complexes (I), (II), and (III) in 60‐90% yield.
ChemInform Abstract: Studies on the Synthesis of Aphidicolin. Preparation of Aromatic Precursors for Spirocyclic Dienone Formation.
Authors: BELL V. L. , GIDDINGS P. J. , HOLMES A. B. , MOCK G. A. , RAPHAEL R. A. 
Published: May 2016

AbstractThe alkenediones (V) and their epoxides (VI) are obtained from the esters (I) as shown in the scheme.
ChemInform Abstract: Iodocyclofunctionalization of (Z)‐1‐Trichloroacetimidoyloxyalk‐2‐enes and 3‐Trichloroacetimidoyloxyalk‐1‐enes. Synthesis of (±)‐erythro‐Sphinganine Triacetate and (±)‐threo‐Sphinganine Triacetate.
Authors: BONGINI A. , CARDILLO G. , ORENA M. , SANDRI S. , TOMASINI C. 
Published: May 2016

AbstractThe trichloroacetimidate (V) ‐ obtained from the protected propynol (I) ‐ undergoes iodocyclization to give the dihydrooxazole (VI).
ChemInform Abstract: Iodocyclofunctionalization of (E)‐1‐Trichloroacetimidoalk‐2‐enes. Synthesis of (±)‐erythro‐Sphinganine Triacetate.
Authors: BONGINI A. , CARDILLO G. , ORENA M. , SANDRI S. , TOMASINI C. 
Published: May 2016

AbstractIodocyclization of the trichloroacetimido‐ octadecene (III) ‐ obtained from the propyne (I) ‐ unexpectedly yields the oxazino (IV), which is converted to the cis‐dihydrooxazole (VI).
ChemInform Abstract: New Fluorides with Trivalent Rhodium: LiM"Rh6 with M" = Mg, Co, Cu or Mn, as well as Ca and Cd.
Authors: GROSSE L. , HOPPE R. 
Published: May 2016

AbstractThe rhodium fluorides (IV) are prepared by tempering mixtures of the fluorides (I)‐(III).
ChemInform Abstract: Equilibrium and Electrochemical Studies on the Complexes Formed by the Interaction of K[Ru(EDTA‐H)Cl].2H2O with Oxygen and Hydrogen Peroxide.
Authors: KHAN M. M. T. , HUSSAIN A. , RAMACHANDRAIAH G. , MOIZ M. A. 
Published: May 2016

AbstractThe interaction of O2 and H2O2 with the title complex (I) in aqueous solution is studied by potentiometry, spectrophotometry, and electrochemical and gas absorption techniques at 25°C. Acid dissociation and hydrolysis constants of the aquation product (II) of (I) calculated under N2 are reported.
ChemInform Abstract: The Nickel Promoted 1,3‐Migration of an sp2 Center: Ring Expansion of a Vinylcyclobutene.
Authors: DIFRANCESCO D. , PINHAS A. R. 
Published: May 2016

AbstractDas aus (I) und (II) in literaturbekannter Weise zugängliche Vinylcyclobutan‐Derivat (III) wird durch Nickeltetracarbonyl (IV) über die isolierbare Zwischenstufe (V) in das Cyclohexadien (VI) übergeführt.
ChemInform Abstract: α‐Carbonyl Carbocations. Part 4. NMR Detection and Reactivities of Diaryl α‐Carbonyl Cations.
Authors: DAO L. H. , MALEKI M. , HOPKINSON A. C. , LEE‐RUFF E. 
Published: May 2016

AbstractLifetimes of several hours are measured for the carbocations (I), generated from the corresponding alcoholic precursors at ‐ 80°C. At 20°C 6π‐electrocyclization occurs, leading to fluorenes (II) and (III) or benzofurans (V), the particular transformation depending on the nature of the carbonyl substituent.
ChemInform Abstract: Addition of 1,2‐Dibromo‐1‐chlorotrifluoroethane to Chlorotrifluoroethylene Induced by UV‐Radiation.
Authors: DEDEK V. , CHVATAL Z. 
Published: May 2016

AbstractDie photochemisch induzierte, radikalische Addition von 1,2‐Dibrom‐1‐chlortrifluorethan (II) an Chlortrifluorethylen (I) liefert die Addukte (IIIa)‐(IIIc), die zu den ungesättigten Derivaten (IV), (V) und (VI) sowie (VII) dehalogeniert werden.
ChemInform Abstract: Polyfluoroalkanes. Part 19. Some Reactions and Compounds from 1,2‐Bis‐(trifluoromethyl)octafluorocyclohexene.
Authors: COLLINS D. , STEPHENS R. , TATLOW J. C. 
Published: May 2016

AbstractSome reactions of the title compound (II) are studied: e.g. chlorination produces the adduct (I); hydrogenation yields a mixture of (IV) and (V), (V) being the major component.
ChemInform Abstract: Alkyl 1‐Chloroalkyl Carbonates: Reagents for the Synthesis of Carbamates and Protection of Amino Groups.
Authors: BARCELO G. , SENET J.‐P. , SENNYEY G. , BENSOAM J. , LOFFET A. 
Published: May 2016

AbstractThe l‐chloroalkyl carbonates (II) which are easily obtained from (I), react with various amines (III) to yield the carbamates (IV).
ChemInform Abstract: Synthesis of 2‐Alkyloyl‐1,4,3,6‐dianhydrosorbitol‐5‐sulfates and Evaluation of the Surface Active Properties.
Authors: SAHEKI Y. , NEGORO K. , SASAKI T. 
Published: May 2016

AbstractSorbit (I) läßt sich säurekatalysiert zu dem Dianhydrosorbit (II) cyclisieren, der über die Monoester (IV) mit SO3 in die Schwefelsäurehalbester (V) umgewandelt wird.
ChemInform Abstract: Azoles. Part 16. Reaction of 6‐Chloro‐1‐ and 6‐Chloro‐2‐nitroindazole with Cyclic Amines.
Authors: WRZECIONO U. , MAJEWSKA K. , DUDZINSKA‐USAREWICZ J. , BERNAS M. 
Published: May 2016

AbstractChlorindazol (III) liefert mit Acetanhydrid (II) das Acetylchlorindazol (I); mit HNO3 in Acetanhydrid (II) entsteht ein Gemisch der Chlornitroindazole (IV)‐(VI).
ChemInform Abstract: Oxabenzomorphanes: Synthesis of 4‐Phenyltetrahydropyran‐2‐carboxylic Acid.
Authors: EIDEN F. , WINKLER W. 
Published: May 2016

AbstractDie Enamine (I) werden mit den Benzylidenbrenztraubensäureestern (II) zu den Dihydropyran‐Derivaten (III) kondensiert.
ChemInform Abstract: Asymmetric Synthesis of Cyclic Imino Acids via Chiral Schiff Bases.
Authors: BAJGROWICZ J. , EL ACHQUAR A. , ROUMESTANT M.‐L. , PIGIERE C. , VIALLEFONT P. 
Published: May 2016

AbstractDie aus Aminosäureestern und (+)‐ bzw. (‐)‐2‐Hydroxypinan‐3‐on hergestellten Azomethine (I) werden mit den am‐Dihalogenalkanen (II) diastereoselektiv zu den Derivaten (III) alkyliert.
ChemInform Abstract: Photochemical Reactions. Part 148. Photochemistry of Acylsilanes: Preparation, Photolyses, and Thermolyses of α,β‐Unsaturated Silyl Ketones.
Authors: SCHELLER M. E. , IWASAKI G. , FREI B. 
Published: May 2016

AbstractThe title silanes(V) and (VII) are synthesized via the dithiane route, the starting materials being either (I) or, following degradation of (VIa), the aldehyde (VIII) [(VIIb) is prepared analogously from (VIb)].
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Reactions of Transition‐Metal Carbene Complexes and the Formal [3 + 2 + 1] Pyridinannulation of the Cycloadducts.
Authors: CHAN K. S. , WULFF W. D. 
Published: May 2016

AbstractThe first examples of 1,3‐dipolar cycloadditions of α,β‐unsaturated carbene complexes are described. The reaction of alkynylcarbene complexes of type (II) with diazomethane gives a mixture of two products, e.g. (IVa) and (V) from (IIa).
ChemInform Abstract: Organotin Intercalation Compounds of FeOCl: Synthesis, 57Fe and 119mSn Mößbauer and IR Spectroscopy, and Powder X‐Ray Diffraction Studies.
Authors: PHILLIPS J. E. , HERBER R. H. 
Published: May 2016

AbstractThe new intercalates(I) are synthesized from FeOCl and neat organotin Compounds, and studied by IR and variable‐temp. 57Fe and 119mSn Mößbauer spectroscopies and by X‐ray powder diffraction, and compared to the organic intercalation compound (II).
ChemInform Abstract: Mechanisms of Ligand‐to‐Metal Intramolecular Electron Transfer in Cobalt(III) ‐ Amine Complexes Containing a Coordinated Radical.
Authors: WHITBURN K. D. , HOFFMAN M. Z. , BREZNIAK N. V. , SIMIC M. G. 
Published: May 2016

AbstractThe one‐electron reduction of the Co(III) complexes (I) and (II) containing nitrophenyl ligands and differing lead‐in (Y) and bridging (X) groups by radiolytically generated ′CO2‐ and ′C(CH3)2OH radicals in neutral and acidic aqueous solutions results in the formation of coordinated nitrophenyl ligand radicals.
ChemInform Abstract: Synthetic, Structural and Molecular Mechanics Investigation of Some Mono‐ and Dinuclear Copper(I) and Copper(II) Complexes of Macrocyclic and Related Acyclic Ligands.
Authors: DREW M. G. B. , YATES P. C. , MURPHY B. P. , NELSON J. , NELSON S. M. 
Published: May 2016

AbstractReaction of 2,5‐diformylfuran with 3‐oxapentane‐1,5‐diamine in the presence of the perchlorate salts of Ca, Sr, or Ba leads to the isolation of the macrocyclic complexes (I) or (II) (detailed structures unknown) depending on the metal ion and the choice of solvent (MeCN or EtOH).
ChemInform Abstract: Syntheses and Structures of [HB(pz)3](CO)2(CS)W ‐ Au(PR3). First Examples of a Semibridging CS Ligand.
Authors: KIM H. P. , KIM S. , JACOBSON R. A. , ANGELICI R. J. 
Published: May 2016

AbstractReactions of (I) with the Au Compounds (II) yield the air‐sensitive title complexes (III) by adding the Au(PR3) moiety to the W. The complexes have a semibridging CO and a semibridging CS, the first examples of CS in this bonding mode.
ChemInform Abstract: Mechanisms for the Removal of Benzyl Protecting Groups in Synthetic Peptides by Trifluoromethanesulfonic Acid ‐ Trifluoroacetic Acid ‐ Dimethyl Sulfide.
Authors: TAM J. P. , HEATH W. F. , MERRIFIELD R. B. 
Published: May 2016

AbstractTo understand the relationships of both mechanisms and the acidity of the reaction, the SN1 and SN2 deprotection mechanisms for synthetic peptides with O‐benzyl protecting groups were studied in a ternary mixture of trifluoromethanesulfonic acid (TFMSA) ‐ trifluoroacetic acid (TFA) ‐ dimethyl sulfide (DMS).
ChemInform Abstract: Synthesis of (Methylthio)penam Derivatives via Ketene Addition onto 4,5‐Dihydro‐ 5‐(methylthio)‐1,3‐thiazoles.
Authors: JENNY C. , PREWO R. , BIERI J. H. , HEIMGARTNER H. 
Published: May 2016

AbstractThe title reaction, i.e. treatment of (I) with (II) or(V) followed by addition of Et3 N, affords the acid‐sensitive target compounds (III)and (VI) [crystal structure of (VIb): space group PI with Z=2].