bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Reactions of XeF2. Part 7. Synthesis of 6‐Fluorobiotin Methyl Ester.
Authors: HUANG X. , BLACKBURN B. J. , JANZEN A. F. 
Published: May 2016

AbstractFluorination of d‐biotin methyl ester (I) with xenon difluoride results in the formation of the isomeric 6‐fluoro‐d‐biotin esters (II) and (III).
ChemInform Abstract: Evidence in Favor of Lithium‐Halogen Exchange Being Faster Than Lithium‐Acidic Hydrogen (Deuterium) Exchange.
Authors: NARASIMHAN N. S. , SUNDER N. M. , AMMANAMANCHI R. , BONDE B. D. 
Published: May 2016

AbstractReaction of the iodo(deuterio‐oxymethyl)quinoline (I) with BuLi (II) affords the 2‐deuterioquinoline (III) with > 50% yield, confirming earlier reports which are questioned by other workers.
ChemInform Abstract: Potential Cerebral Stimulants: Esters of 2‐Dimethylaminoethanol with Some Lipophilic Carboxylic Acids.
Authors: PROTIVA M. , VALENTA V. , KOPICOVA Z. , LUKAC J. , HOLUBEK J. , KREJCI I. 
Published: May 2016

AbstractThe title compounds (III) are converted to crystalline salts (hydrogen fumarates, hydrogen maleates, hydrochlorides) for pharmacological evaluation.
ChemInform Abstract: (E)‐ and (Z)‐Enols of β‐Ketocarboxylic Acid Amides.
Authors: WENGENROTH H. , MEIER H. 
Published: May 2016

AbstractAddition of the amines (II) or (V) to the ketenes derived from (I) leads to mixtures of the enolized (Z)‐ and (E)‐amides (III) and (IV) or (VI) and (VII).
ChemInform Abstract: A Novel Cyclodimerization of α,β‐Unsaturated Carbonyl Compounds Promoted by Ytterbium Metal.
Authors: TAKAKI K. , BEPPU F. , TANAKA S. , TSUBAKI Y. , JINTOKU T. , FUJIWARA Y. 
Published: May 2016

AbstractTreatment of chalcone (I) with metallic ytterbium and subsequent work‐up with water or deuterium oxide produce a mixture of the benzoyltriphenylcyclopentanols (III) and the ketones (IV).
ChemInform Abstract: Preparation of Sterically Crowded t‐Butylfurans by Direct t‐Butylation and Cyclization of t‐Butyl Substituted 1,4‐Diketones. Selective Dehydrodimerization of Neopentyl Ketones by Lead Dioxide.
Authors: WYNBERG H. , WIERSUM U. E. 
Published: May 2016

AbstractAlkylation of the dialkylfurans (I) and (IV) with tert‐butyl chloride (II) in the presence of aluminum chloride yields the tert‐butylfurans (III) and (V) respectively.
ChemInform Abstract: Unsymmetrical and Highly‐Conjugated Tetrathiafulvalene and Selenatrithiafulvalene Derivatives: Synthesis and Reactions of Novel Heterocyclic Wittig‐Horner Reagents.
Authors: BRYCE M. R. , MOORE A. J. , LORCY D. , DHINDSA A. S. , ROBERT A. 
Published: May 2016

AbstractCoupling reaction of anthrone (I) with the 1,3‐dithiolium tetrafluoroborates (II) yields the semiquinones (III) which are coupled with the phosphonates (IV) or (VI) in the presence of butyllithium to give the anthracenediylidenebisdithioles (V) or the analogous selenatrithiafulvalenes (VII).
ChemInform Abstract: Fluorinated Acetylenes. Part 7. Preparation and Some Reactions of 4,4,4‐Trifluorobut‐2‐ynoic Acid and 1‐Phenyl‐4,4,4‐trifluorobut‐2‐yn‐1‐ol.
Authors: TAJAMMAL S. , TIPPING A. E. 
Published: May 2016

AbstractSome reactions of the lithium salt (I) of 3,3,3‐trifluoropropyne (prepared by bubbling the trifluoropropyne into a solution of n‐butyllithium in hexane and dibutyl ether) with electrophiles such as the chloroformates (II), carbon dioxide (V), and benzaldehyde (VII) are reported.
ChemInform Abstract: Synthesis and Pharmacological Properties of 2‐Nitro‐3‐Substituted‐aminobenzo(b)thiophenes and 1‐Substituted Benzothieno(2,3‐d)imidazoles.
Authors: GUERRERA F. , SALERNO L. , SIRACUSA M. A. , RONSISVALLE G. , CARUSO A. , LEONE M. G. , FELICE A. 
Published: May 2016

AbstractThe aminobenzothiophenes mentioned in the title (III) are synthesized from the bromonitrobenzothiophene (I) and the amines (II).
ChemInform Abstract: Synthesis of 2‐(1,2‐Dihydropyrazol‐4‐yl)‐1,3,4‐thiadiazole Derivatives as Potential Antimicrobial Agents.
Authors: AUZZI G. , BRUNI F. , CLAUSER M. , CICIANI G. , COSTANZO A. , PECORI VETTORI L. , DONATO R. 
Published: May 2016

AbstractThe pyrazoledithiocarboxylic acids (I) are converted to the thiohydrazides (III).
ChemInform Abstract: A Convenient Synthesis of 5‐Alkyl‐ and 5‐Aryl‐1,2,3,4‐thiatriazoles.
Authors: IKEDA S. , MURAI T. , ISHIHARA H. , KATO S. 
Published: May 2016

AbstractThirteen piperidinium dithiocarboxylates such as (I) are coupled with the pyridinium iodide (II) to form the thioacylthiopyridinium iodides (III).
ChemInform Abstract: Propargylic Carbonates as an a1,a2‐Synthon in Annulation Reactions. A Convenient Synthesis of 3‐Methylenedihydropyran Derivatives.
Authors: GENG L. , LU X. 
Published: May 2016

AbstractThe propargylic carbonate (I) reacts with the diethyl 2,3‐diacetylsuccinate (II) to give the cyclobutane derivative (III) and/or the dihydropyran derivative (IV), depending on the reaction conditions.
ChemInform Abstract: Synthesis of Coumarin Derivatives as Possible Antifungal and Antibacterial Agents.
Authors: SENGUPTA A. K. , SEN S. , SRIVASTAVA V. 
Published: May 2016

AbstractStarting with the coumarinyl‐substituted hydrazide (I), several heterocyclic derivatives of 7‐hydroxy‐4‐methylcoumarin, e.g. (V), (VII), (IX), and (XIII), are synthesized and tested for their antibacterial and antifungal activities.
ChemInform Abstract: First Isolation of Monocyclic Thiabenzenes.
Authors: SHIMIZU H. , KUDO N. , KATAOKA T. , HORI M. 
Published: May 2016

AbstractThe unstable thioaldehydes (II), generated in situ from the Bunte salts (I), react with the butadienes (III) to give the dihydrothiopyrans (IV).
ChemInform Abstract: A Novel Heterocyclic System from Dicoumarols.
Authors: SENGUPTA P. , SEN M. , DAS S. K. , KARURI P. , WENKERT E. , HALLS T. D. J. 
Published: May 2016

AbstractTreatment of the dicoumarol derivatives (I) with phosphorus oxychloride in pyridine (II) results in the formation of the zwitterionic heterocyclic compounds (III).
ChemInform Abstract: Synthesis, Structure and Cytostatic Activity of a Series of 2‐Substituted Perimidines.
Authors: BRANA M. F. , GARRIDO M. , LOPEZ RODRIGUEZ M. L. , MORCILLO M. J. , ALVAREZ Y. , VALLADARES Y. , KLEBE G. 
Published: May 2016

AbstractThe presence of a basic nitrogen in the side chain of the title compounds, e.g. (IV) and (VI), is important for their in vitro cytotoxic activity.
ChemInform Abstract: Synthetic Biological Response Modifiers. Part 1. Synthesis and Immunomodulatory Properties of Some N2‐(ω‐(Hypoxanthin‐9‐yl)alkoxycarbonyl)‐L‐arginines.
Authors: STRADI R. , ROSSI E. , PEREZZANI L. , MIGLIORATI G. , RICCARDI C. , CORNAGLIA‐FERRARIS P. 
Published: May 2016

AbstractThe pyrimidine (I) reacts with the α,ω‐amino alcohols (II) to form the hydroxyalkylamino derivatives (III).
ChemInform Abstract: A Novel Route to 1,2‐Benzothiazin‐4‐ones Involving S‐Dealkylation of an Aryl Alkyl Sulfide.
Authors: JONES S. , KENNEWELL P. D. , WESTWOOD R. , SAMMES P. G. 
Published: May 2016

AbstractHeating of the oxime tosylate (II), generated from 2‐methylthiobenzoic acid (I), in the presence of an acid results in cyclization, producing ethyl 4‐oxo‐1,2‐benzothiazine‐3‐carboxylate (III).
ChemInform Abstract: Synthesis and Characterization of a Series of Functionalized Macrocycles Containing Oxygen and Nitrogen Heteroatoms and Their Metal Complexes.
Authors: XU J. , NI S. , CUI K. , XU Z. , LIN Y. 
Published: May 2016

AbstractNeutralization of the alkylating reagent (II) and alkylation of the corresponding amines e.g. (I) in the presence of K2CO3 lead to the N‐functionalized macrocyclic ligands (III), (IV) (yield 65%), and (V) (65%).
ChemInform Abstract: Synthesis, Properties, and Characterization of Diphenylantimony(III) O,O′‐Alkylene (and Diphenyl) Dithiophosphates.
Authors: PANDEY S. K. , SRIVASTAVA G. , MEHROTRA R. C. 
Published: May 2016

AbstractReaction of the O,O'‐alkylene dithiophosphates (I) with diphenylantimony(III) chloride (II) produces the complexes (III) mentioned in the title.
ChemInform Abstract: Reactions of TeF5OCl with Fluorocarbon Iodides and Synthesis of CF3OTeF5.
Authors: SCHACK C. J. , CHRISTE K. O. 
Published: May 2016

AbstractReaction of hypochlorite (II) mentioned in the title with the perfluoroalkyl iodides (I) yields the adducts (III) which decompose upon heating or irradiation to form the corresponding perfluoroalkoxypentafluorotellurium compounds (IV).
ChemInform Abstract: Preparation, Characterization and Properties of Some Lanthanoid Oxides.
Authors: GUERRIERO P. , SITRAN S. , VIGATO P. A. , MAREGA C. , MARIGO A. , ZANNETTI R. 
Published: May 2016

AbstractThermal decompositions of homo‐ and heteronuclear lanthanoid complexes of the type (I) lead to formation of homonuclear or mixed lanthanoid oxides such as (II).
ChemInform Abstract: Intramolecular Amine Coordination versus NMe C‐H Activation: The Stereoselective Synthesis of a Tantala(V)azacyclopropane Complex.
Authors: ABBENHUIS H. C. L. , GROVE D. M. , VAN MIER G. P. M. , SPEK A. L. , VAN KOTEN G. 
Published: May 2016

AbstractA stereoselective C‐H activation reaction of a NMe group of the Ta(V) compound (I) affords toluene and the new pentagonal pyramidal Ta(V) THF adduct (III) (space group P1, Z=4).
ChemInform Abstract: An Organometallic Route for the Preparation of Ring‐Substituted 2‐Arylpropanoic and ‐butanoic Acids.
Authors: GRUSELLE M. , MALEZIEUX B. , JAOUEN G. , TROITSKAYA L. L. , SOKOLOV V. I. 
Published: May 2016

AbstractThe ester (I) reacts with chromium hexacarbonyl (II) to form the arenechromium carbonyl complex (III), which is deprotonated and then alkylated with (IV), producing the 2‐arylbutanoate complex (V).
ChemInform Abstract: Photochemical Reactions of Tricarbonyl(hydrotris(1‐pyrazolyl)borato)rhenium(I) in the Presence of Neutral Donor Ligands. X‐Ray Crystal Structures of the Substitution Derivatives (Re(HB(pz)3)(CO)2L), with L: C4H8O or PPh3.
Authors: ANGARONI M. , ARDIZZOIA G. A. , D'ALFONSO G. , LA MONICA G. , MASCIOCCHI N. , MORET M. 
Published: May 2016

AbstractThe photochemically obtained THF‐complex (Va) (space group P21/n, Z=4) serves as starting material in the synthesis of a series (5 examples) of substitution derivatives such as (Vb) (C2/c, Z = 8).
ChemInform Abstract: Synthesis of Chiral Atropoisomeric Square‐Planar Nickel(II) and Copper(II) Complexes Formed by Macrocyclic Ligands Containing Pendant Polyether Groups and a Quaternary Ammonium Group.
Authors: BELOKON' YU. N. , PRITULA L. K. , TARAROV V. I. , BAKHMUTOV V. I. , STRUCHKOV YU. T. , TIMOFEEVA T. V. , BELIKOV V. M. 
Published: May 2016

AbstractThe novel Ni(II) and Cu(II) complexes (IVa) and (IVb) (yield 82/60%) and a Ni analogue of (IVb) containing the polyether group O(CH2CH2O)3Me are synthesized as shown for the example (IVa).
ChemInform Abstract: Synthesis, Characterization, Crystal Structures and Magnetic Exchange in Dinuclear Copper Complexes with 3‐Amino‐1‐propanol as Terminal and Bridging Ligand.
Authors: LINDGREN T. , SILLANPAEAE R. + , RISSANEN K. , THOMPSON L. K. , O'CONNOR C. J. , VAN ALBADA G. A. , REEDIJK J. 
Published: May 2016

AbstractSynthesis, spectroscopic and magnetic properties, and X‐ray structures are described for the two types (III) (space group P21/c, Z=4) and (V) of dinuclear Cu(II) compounds of the title ligand (I).
ChemInform Abstract: Mixed Ligand Complexes of Ruthenium(III)edta with Pyrimidines.
Authors: KHAN B. T. , ANNAPOORNA K. 
Published: May 2016

AbstractMixed ligand complexes of Ru(III)edta of the type (III), (IV), and (V) are synthesized by reaction of the Ru(III)edta complex (I) with cytosine (II), uracil, or 5‐aminouracil as shown for the example (III).
ChemInform Abstract: Synthesis, Spectroscopic, and Electrochemical Properties of Bis(2,2′‐bipyridyl)(3,3′‐dimethyl‐5,5′‐bis‐1,2,4‐triazole)ruthenium(II) Hexafluorophosphate.
Authors: FENNEMA B. D. J. R. , HAGE R. , HAASNOOT J. G. , REEDIJK J. , VOS J. G. 
Published: May 2016

AbstractThe new title complex (I) is obtained by reaction of dichlorobis(bipyridine)ruthenium with the triazole ligand in ethanol under reflux (40% yield).
ChemInform Abstract: Synthesis and Crystal Structures of the Dimetal Compounds (CoRh(CO)2(PPh3)(η4‐C4Me4)(η5‐C2B9H11)), (Rh2(CO)2(PPh3)2(η5‐C2B9H11)), and (RhIrH(.mu±sigma.:η5‐C2B9H10)(CO)3(PPh3)2).
Authors: FERNANDEZ J. R. , HELM G. F. , HOWARD J. A. K. , PILOTTI M. U. , STONE F. G. A. 
Published: May 2016

AbstractThe complex (V) is also obtained in an unusual reaction involving addition of BH3·THF to (III).
ChemInform Abstract: Metallacyclic Complexes. Part 4. Synthesis of Platinathietane‐3‐oxide Complexes, and the Single‐Crystal X‐Ray Structure of Cyclic (Pt(CH(COPh)S(O)CH(COPh))(PPh3)2)·2 CH2Cl2.
Authors: HENDERSON W. , KEMMITT R. D. W. , PROUSE L. J. S. , RUSSELL D. R. 
Published: May 2016

AbstractThe structure of the platinathietane‐3‐oxide complexes (IV), prepared as shown, is confirmed by the X‐ray analysis of the title complex (IVa) (space group P1, Z=2).
ChemInform Abstract: 1,4‐Bis(arylamino)‐5‐nitro‐(and 5‐amino‐)‐8‐hydroxyanthraquinones: Bluish‐Green Dyes for Synthetic Polymer Fibres.
Authors: PETERS A. T. , CHAO Y. C. 
Published: May 2016

AbstractThe 4‐anilino‐1,8‐dihydroxyanthraquinones (I) and (VII) are coupled with the anilines (II) in the presence of boric acid to give the title compounds (III) and (VIII).
ChemInform Abstract: Azo Disperse Dyes Derived from 3‐Amino‐7‐nitro‐2H‐1,2‐benzothiazine 1,1‐Dioxide.
Authors: RAJAGOPAL R. , SESHADRI S. 
Published: May 2016

AbstractThe sulfonamide (I) undergoes cyclocondensation with urea (II) to produce the benzothiazine (III) mentioned in the title.
ChemInform Abstract: Tritylation, Methoxymethylation, and Silylation of Allylic Hydroperoxides via Stannyl Peroxide Intermediates. Allylic Rearrangement of a Stannyl Peroxide.
Authors: HAYNES R. K. , VONWILLER S. C. 
Published: May 2016

AbstractStannylation of the hydroperoxide (I) with tributyltin methoxide (II) in diethyl ether gives the stannyl peroxide (III) which reacts with the chlorides (IVa) ‐ (IVc) or the silyl triflate (IVd) to produce the peroxides (V).
ChemInform Abstract: Novel Preparation of Vinylphosphonates, Vinylphosphinates, and Vinylphosphine Oxides via β‐Elimination of Nitrous Acid.
Authors: YAMASHITA M. , TAMADA Y. , IIDA A. , OSHIKAWA T. 
Published: May 2016

AbstractVinylphosphonates such as (IIa), (IIc) and vinylphosphine oxides such as (IIb) are prepared from the nitroethane derivatives (I) by base‐induced β‐elimination of nitrous acid.
ChemInform Abstract: Metabolic Products of Microorganisms. Part 256. Pyrrolams, New Pyrrolizidinones Produced by Streptomyces olivaceus.
Authors: GROTE R. , ZEECK A. , STUEMPFEL J. + , ZAEHNER H. + 
Published: May 2016

AbstractThe pyrrolams A to D (I)‐(III), biosynthetically produced by Streptomyces olivaceus, are discovered by chemical screening.
ChemInform Abstract: Synthetic Approaches Toward Mitomycins: Synthesis of the Decarbamoyloxymitomycin Derivative.
Authors: NAKAJIMA S. , YOSHIDA K. , MORI M. , BAN Y. , SHIBASAKI M. 
Published: May 2016

AbstractThe allylic carbamate (II), prepared from the benzazocinone derivative (I), undergoes intramolecular ring closure upon treatment with iodine to give the iodooxazolidinone (III).
ChemInform Abstract: Flexibility of the Zeolite RHO Framework. In situ X‐Ray and Neutron Powder Structural Characterization of Divalent Cation‐Exchanged Zeolite RHO.
Authors: CORBIN D. R. , ABRAMS L. , JONES G. A. , EDDY M. M. , HARRISON W. T. A. , STUCKY G. D. , COX D. E. 
Published: May 2016

AbstractThe influence of cation exchange in zeolite RHO on its structure is studied for various cations (Cd, Na, Tl, ND4, Rb, Li, Ag, Ba, Sr, Ca).
ChemInform Abstract: 17O, 31P and 183W NMR Spectra of Paramagnetic Complexes with the Heteropolytungstate Anion (Ln(PW11O39)2)11‐ and Their Constitution in Aqueous Solution (Ln: Rare Earth Element).
Authors: FEDOTOV M. A. , PERTSIKOV B. Z. , DANOVICH D. K. 
Published: May 2016

AbstractThe 31P NMR results obtained for complexes of Ln3+ (Ln: La, Ce‐Yb) with (PW11O39)7‐ ligands confirm the 1:2 composition corresponding to (Ln(PW11O39)2)11‐. The contact and dipolar contributions to the lanthanoid induced shift of ligand nuclei are estimated.
ChemInform Abstract: Fluorogermanate(IV) Equilibria in Acid Media.
Authors: CIAVATTA L. , IULIANO M. , PORTO R. , VASCA E. 
Published: May 2016

AbstractPotentiometric measurements with a fluoride ion‐sensitive electrode performed in acidic perchlorate solutions containing Ge(IV) and LiF or NaF show the presence of GeF4, Ge(OH)F4‐, GeF62‐, HGeF6‐, and a minor complex (probably Ge(OH)F2+).
ChemInform Abstract: Electrochemical Behavior of High Transition Temperature Superconducting Oxides.
Authors: OHKAWA K. , ITOH K. , FUJISHIMA A. 
Published: May 2016

AbstractThe stability of typical high‐Tc superconducting oxides such as (La0.98Sr0.02)2CuO4‐δ, YBa2Cu3O7‐δ, and Bi2Sr2CaCu2O8, is examined from chemical and electrochemical point of view.
ChemInform Abstract: Synthesis and Ion Exchange Properties of Sodium Stannosilicate: A Silver Selective Inorganic Ion Exchanger.
Authors: RAWAT J. P. , ANSARI A. A. 
Published: May 2016

AbstractThe title ion exchanger, synthesized by refluxing an 1:1 mixture of 0.1 M Na2SnO3·3 H2O solution and 0.1 M Na2SiO3·5 H2O solution for 24 h, may be described by the formula Nax(SnO2)y(SiO2)y·zH2O. The material, obtained as hard granules, is very stable at high temperatures.
ChemInform Abstract: Migration of Barium into Zeolite Channels from the Outer Surfaces of Zeolite Crystals
Authors: SANO T. , OKADO H. , SHOJI H. , IKAI S. , TAKAYA H. 
Published: May 2016

Abstractis observed, when mixtures of ZSM‐5 zeolite and BaCO3 are heated at 600 °C in the absence or presence of steam.
ChemInform Abstract: Spontaneous Oxidation of Xenon to Xe(II) by Cationic Ag(II) in Anhydrous Hydrogen Fluoride Solutions.
Authors: ZEMVA B. , HAGIWARA R. , CASTEEL W. J. JUN. , LUTAR K. , JESIH A. , BARTLETT N. 
Published: May 2016

AbstractBlue solutions prepared by dissolving AgF2 in anhydrous HF with AsF5 or BF3 oxidize Xe at ∼20 °C to produce the colorless solids (IV) and (VII) (for the reaction with AsF5 an overall yield is given in gram).
ChemInform Abstract: Addition Reactions of Diarylcarbenium Ions to 2‐Methyl‐1‐pentene: Kinetic Method and Reaction Mechanism.
Authors: MAYR H. , SCHNEIDER R. , SCHADE C. , BARTL J. , BEDERKE R. 
Published: May 2016

AbstractLinear correlation is observed for the second‐order rate constants and the concentration of (II) and the carbenium ions derived from (I).
ChemInform Abstract: Kinetics of the Reactions of the p‐Methoxy‐Substituted Benzhydryl Cation with Various Alkenes and 1,3‐Dienes.
Authors: MAYR H. , SCHNEIDER R. , IRRGANG B. , SCHADE C. 
Published: May 2016

AbstractThe addition reaction shown in the preceding report is used to study the reactivity of the title ion toward a series of 20 alkenes and 10 dienes such as (I)‐(II) and (III), respectively.
ChemInform Abstract: Inverse‐Electron‐Demand Diels‐Alder Reactions of Fischer Carbene Complexes: A New and Efficient Dihydrobenzene Synthesis via a Retrocycloaddition of Chromium Hexacarbonyl.
Authors: WANG S. L. B. , WULFF W. D. 
Published: May 2016

AbstractPyranylidene complexes of the type (III), for instance, are found to undergo facile inverse‐electron‐demand Diels‐Alder reactions with electron‐rich olefins such as (IV), (VI), (VIII) to give dihydrobenzenes such as (V), (VII), (IX).
ChemInform Abstract: Effective (4 + 2)Cycloaddition Procedure Under Adsorption on Chromatographic Sorbents.
Authors: VESELOVSKII V. V. , GYBIN A. S. , LOZANOVA A. V. , MOISEENKOV A. M. , SMIT V. A. 
Published: May 2016

AbstractThe dienes (I) and (VI) are coupled with the dienophiles (II) or (IV) in the presence of silica to give the cycloadducts (III), (V), and (VII) respectively.
ChemInform Abstract: Reactions of Oximes with Thianthrene Cation Radical in Nitrile Solvents. Cycloaddition to Form Oxadiazoles and Deoxygenation to Form Nitriles.
Authors: CHIOU S. , HOQUE A. K. M. M. , SHINE H. J. 
Published: May 2016

AbstractReaction of the aldoximes (I) with the thianthrene radical cation perchlorate (II) yields the parent aldehydes (IV), the corresponding nitriles (V), and in some case the oxadiazoles (VI) and (VII), formed by oxidative cycloaddition.
ChemInform Abstract: Base‐Promoted Ring‐Opening and Elimination of 4‐Chloro‐ and 4‐(Methylthio)azetidinones.
Authors: RAO S. N. , O'FERRALL R. A. M. 
Published: May 2016

AbstractBase‐catalyzed ring cleavage of the azetidinones (I) and (IV) mentioned in the title leads to the formation of the enamino esters (III) in the case of the 4‐chloro derivatives (I), while the 4‐methylthio derivatives (IV) yield an additional product due to elimination of azide or tosylate and rearrangement.
ChemInform Abstract: Stereoselectivity of Sigmatropic Homodienyl (1,5)‐Hydrogen Migrations.
Authors: PEGG G. G. , MEEHAN G. V. 
Published: May 2016

AbstractThe stereoselectivity of the title process observed for (I) and (IVa) is best rationalized by a chair cyclohexane‐like transition state model.
ChemInform Abstract: Solvent and Structure Effects in the Photobromination of Benzyltrimethylsilanes. A Mechanistic Changeover from Hydrogen‐Atom Transfer to Electron Transfer.
Authors: BACIOCCHI E. , CRESCENZI M. 
Published: May 2016

AbstractWhereas the photobromination of (I) in CCl4 or AcOH yields exclusively (II) (via H‐transfer), the same reaction in TFA/AcOH leads to benzyl bromide (III) as the main product (via electron transfer from (II) to Br·).
ChemInform Abstract: Palladium‐Catalyzed Cross‐Coupling Reaction of Aryl or Vinylic Triflates with Organoboron Compounds.
Authors: OH‐E T. , MIYAURA N. , SUZUKI A. 
Published: May 2016

AbstractThe triflates (I) and the 9‐substituted 9‐borabicyclo(3.3.1)nonanes (II) undergo cross‐coupling reaction in the presence of a Pd(II) catalyst to produce the alkene (IIIa) and the methyl carboxylates (IIIb).
ChemInform Abstract: Reaction of N‐Sulfonylimines with Methylenediamines.
Authors: ANIKIN O. V. , CHLENOV I. E. , TARTAKOVSKII V. A. 
Published: May 2016

AbstractThe N‐alkylsulfonylimines (II), generated in situ from the sulfamoyl chlorides (I), react with the diaminomethanes (III) to give the asymmetric sulfamides (IV) and/or (V) depending on the substituents.
ChemInform Abstract: Synthesis of Cyclobutanones by the Photolytic Reaction of Chromium Carbene Complexes with Olefins: Inter‐ and Intramolecular Reactions.
Authors: SOEDERBERG B. C. + , HEGEDUS L. S. , SIERRA M. A. 
Published: May 2016

AbstractPhotolytic reactions between a variety of chromium alkoxycarbene complexes such as (I) or (VII) and olefins such as (II) or cyclic conjugated dienes such as (V) in the presence of CO (III) give rise to cyclobutanones such as (IV), (VI), or (VIII) as strongly prevailing isomers.
ChemInform Abstract: BF3 Etherate‐Catalyzed Electrophilic Cyclization of Regular α‐Monoterpenols.
Authors: DRAGAN V. A. , VESELOVSKII V. V. , MOISEENKOV A. M. 
Published: May 2016

AbstractTreatment of the terpene alcohols (I) with BF3 etherate results in the formation of the vinylcyclohexenes (II) and (III) and the fluorobicyclo(3.2.1)octane (IV).
ChemInform Abstract: Reactions of Polyfluoroalkanesulfenyl Chlorides with γ,δ‐Unsaturated Acids and Their Derivatives.
Authors: SIZOV A. YU. , LINEV V. V. , KONDRASHOV N. V. , KOLOMIETS A. F. , FOKIN A. V. 
Published: May 2016

AbstractThe norbornenecarboxylic acids (I) are coupled with the polyfluoroalkanesulfenyl chlorides (II) to give the lactones (III).
ChemInform Abstract: Synthesis of Unsaturated Tertiary Amines and α‐Allyl‐Substituted Ketones from Azomethines Using Metal Complex Catalysts.
Authors: IBRAGIMOV A. G. , MINSKER D. L. , MOROZOV A. B. , GALKIN E. M. , DZHEMILEV U. M. , TOLSTIKOV G. A. 
Published: May 2016

AbstractThe benzaldimine (I) reacts with ethylmagnesium bromide (II) to form the amide (III) which is coupled in situ with the bromides (IV) or the octadienyl ether (VI) to give the amines (V) and (VII).
ChemInform Abstract: Cleavage of Aldehyde Hydrazonium Iodides Under Mild Conditions. A Convenient Route to Chiral Nitriles of High Enantiomeric Purity.
Authors: MOORE J. S. , STUPP S. I. 
Published: May 2016

AbstractUpon treatment of hydrazones such as the diastereomerically enriched (I) with excess methyl iodide followed by DBU‐promoted elimination reaction, the corresponding chiral nitriles such as (II) are obtained.