bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Triazole Phosphonates. Electrophilic Substitution of 1‐Substituted‐1H‐ 1,2,4‐Triazoles via Lithiated Triazole Intermediates.
Authors: ANDERSON D. K. , SIKORSKI J. A. , REITZ D. B. , PILLA L. T. 
Published: May 2016

AbstractThe 1‐substituted 1,2,4‐triazoles (I) are lithiated and then treated with the electrophiles (II), (IV), or (VI) to yield the 5‐substituted derivatives (III), (V), or (VII).
ChemInform Abstract: Reactions of 2‐Substituted Ethylamines with Hexachlorocyclotriphosphazene.
Authors: ALLEN C. W. , MACKAY J. A. 
Published: May 2016

AbstractDepending on the stoichiometry the reaction of hexachlorocyclotriphosphazene (I) with 2‐haloethylamines leads to the mono‐, gem‐di‐ or tetrasubstituted products (IIa)‐(IIc).
ChemInform Abstract: Hexacoordinate Phosphorus. Part 3. Neutral Fluoro(trifluoromethyl)(N,N‐dimethylcarbamato‐O,O′)phosphorus(V) Derivatives.
Authors: CAVELL R. G. , VANDE GRIEND L. 
Published: May 2016

AbstractReaction of (CF3)5‐nPFn (n: 2, 3 or 4) with Me2NCO2SiMe3 yields the phosphorus complexes (I) or (II) as single isomers or (III) and (IV) as isomeric mixture.
ChemInform Abstract: Reaction of Hexakis(trifluoromethylthio)‐ and Hexakis(trifluoromethylseleno)benzenes with Nucleophilic Agents.
Authors: YAGUPOL'SKII L. M. , KOLOMEITSEV A. A. , KONDRATENKO N. V. , POPOV V. I. , IGNAT'EV N. V. 
Published: May 2016

AbstractHexakis(trifluoromethylseleno)benzene (Ia) and its thio analogue (Ib), on treatment with anhydrous NH3, easily undergo nucleophilic substitution to give the pentakis(trifluoromethylseleno)aniline (IIa) or its thio analogue (IIb).
ChemInform Abstract: Reactions of Dichloroaluminum Acetylacetonate with Lewis Bases. Part 2. Ionic Complexes of Cl2Alacac with Dimethoxyethane and Dimethylformamide.
Authors: LEWINSKI J. , PASYNKIEWICZ S. 
Published: May 2016

AbstractIndependent of the molar ratio the reaction of dichloroaluminum acetylacetonate with dimethoxyethane yields the complex (Ia).
ChemInform Abstract: Synthesis, Characterization, and Photobehavior of Macrocyclic Difluoro Complexes of Chromium(III).
Authors: KANE‐MAGUIRE N. A. P. , WALLACE K. C. , SPEECE D. G. 
Published: May 2016

AbstractThe complexes (I) and (II) are prepared with 85% and 62% yield by refluxing the corresponding macrocycles with trans‐(Cr(Py)4F2)ClO4 in methoxyethanol.
ChemInform Abstract: Synthesis and Characterization of Polynuclear Chromium(III) Alkyls. Crystal Structure of a Paramagnetic μ3‐Methylidyne Complex with Short Nonbonded Cr‐Cr Contacts.
Authors: RICHESON D. S. , HSU S.‐W. , FREDD N. H. , VAN DUYNE G. , THEOPOLD K. H. 
Published: May 2016

AbstractThe dichloroalkyl‐Cr complexes (I) react with Tl cyclopentadienide to give the chloride‐bridged dimers (II).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of Mo2(CO)6(C34H32N10)(C3H7NO)8.
Authors: CARR P. , PIGGOTT B. , WONG S. F. 
Published: May 2016

AbstractThe title complex (II) is prepared as shown and crystallizes as (II)·8 DMF in the space group P1 with Z=2.
ChemInform Abstract: Reactions of the Thiocarbyne (HB(pz)3)(CO)2W(CSMe) and Thiocarbene (HB(pz)3)(CO)2W(η2‐CH(SMe))+ Complexes with Phosphines.
Authors: KIM H. P. , KIM S. , JACOBSON R. A. , ANGELICI R. J. 
Published: May 2016

AbstractReaction of the title carbyne complex (I) with PEt3 gives the η2‐ketenyl derivative (II) which on methylation at the ketenyl O atom yields the unusual acetylene complex (III).
ChemInform Abstract: Reactions of the Thiocarbene Complex (HB(pz)3)(CO)2W(η2‐CH(SMe))+ with Sulfur, Carbon, and Nitrogen Nucleophiles.
Authors: KIM H. P. , ANGELICI R. J. 
Published: May 2016

AbstractNucleophiles such as mercaptides, dimethyl malonate, or 4‐(dimethylamino)pyridine add to the carbene C atom of the title complex (I) to give the air‐stable adducts (II) in which the C and S atoms remain coordinated.
ChemInform Abstract: A Macrocyclic Tetradentate Ligand Containing Tertiary Amine and Pyridine Functional Groups. Electrochemical and X‐Ray Structural Studies on (Co(II)(CR‐Me3)Cl)ClO4 (CR‐Me3: 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. , MAK T. C. W. 
Published: May 2016

AbstractThe desired macrocycle (Ib) is obtained by methylation of (Ia).
ChemInform Abstract: Synthesis and Characterization of Tetra‐N‐alkylated Cyclam Ligands That Contain a Functionalized Nitrogen Substituent.
Authors: BAREFIELD E. K. , FOSTER K. A. , FREEMAN G. M. , HODGES K. D. 
Published: May 2016

AbstractThe monofunctionalized cyclam ligands (Ib)‐(Id) are prepared by derivatization of (Ia).
ChemInform Abstract: Exchange Interaction Through Hydrogen‐Bond Bridges and the Effect of a Single‐Oxygen Bridge. Crystal Structures and Magnetic Susceptibilities of Two Binuclear Copper(II) Complexes of 2‐Amino‐2‐methyl‐1‐propanol.
Authors: MUHONEN H. 
Published: May 2016

AbstractThe 3:1 molar reaction of the title ligand with Cu(II) sulfate in MeOH/EtOH leads to the formation of the complex (I) as a MeOH monosolvate.
ChemInform Abstract: Preparation of Trinuclear Adducts from Quadridentate Schiff Base Copper(II) Complexes with Metal(II,III) Nitrate.
Authors: KASUGA K. , KADOWAKI M. , NAGAHARA T. , YAMAMOTO Y. 
Published: May 2016

AbstractThe Schiff base Cu(II) complex (II) reacts with CuCl2 (molar ratio 1:1) to give the binuclear product (I).
ChemInform Abstract: Copper(II) Complexes of L‐Histidylglycyl‐L‐histidylglycine and L‐Histidyl‐L‐histidylglycylglycine: Coordination Mode of Histidyl Residues.
Authors: UEDA J. , IKOTA N. , HANAKI A. , KOGA K. 
Published: May 2016

AbstractThe complex formations of the title tetrapeptides with Cu(II) ion are studied in a slightly alkaline medium by visible absorption, CD and electron spin resonance spectroscopies.
ChemInform Abstract: New Copper Chemistry. Part 10. Oxidation of Organocuprates with Nitroarenes: “Higher Order” Cyanocuprates Are Different.
Authors: BERTZ S. H. , GIBSON C. P. 
Published: May 2016

AbstractThe oxidation of mixed cuprates prepared from either CuCN or CuI (I) with BuLi and PeLi under varying conditions is studied.
ChemInform Abstract: Competition Between Gold(I) Thiomalate ′Myocrisin′ and Five‐Membered and Six‐Membered Heterocyclic Ligands.
Authors: ISAB A. A. 
Published: May 2016

AbstractThe relative binding strengths of the heterocyclic ligands (II) and (III) with myocrisin (I) in aqueous solution are determined by 13C NMR spectroscopy.
ChemInform Abstract: Synthesis and Antiarthritic Study of a New Orally Active Diferuloyl Methane (Curcumin) Gold Complex.
Authors: SHARMA K. K. , CHANDRA S. , BASU D. K. 
Published: May 2016

AbstractThe brown title complex (I) is synthesized by reaction of curcumin with auric chloride in refluxing ethanol.
ChemInform Abstract: Heterobimetallic Complexes of Rhodium with Platinum, Silver, and Gold Containing Bridging 2‐(Bis(diphenylphosphino)methyl)pyridine (PNP) Ligands.
Authors: MCNAIR R. J. , PIGNOLET L. H. 
Published: May 2016

AbstractThe reaction of the Rh(I) complex (I) with the Pt(0) complex (II) leads to cleavage of a P‐C bond of one PNP ligand coordinated to Rh and to formation of the heterobimetallic complex (III) bridged by one PPh2 group and one PNP ligand.
ChemInform Abstract: Protonation and Dimerization Reactions of Cyclopentadienylrhodiumcarbonylphosphine and Phosphite Derivatives.
Authors: BITTERWOLF T. E. 
Published: May 2016

AbstractThe phosphine‐ and phosphite‐Rh complexes (II) and (III) are prepared from its CO analogues by substitution reactions and characterized by IR, 1H, and 31P NMR spectra.
ChemInform Abstract: New AuPt2 A‐Frame Cluster Complexes.
Authors: ARSENAULT G. J. , MANOJLOVIC‐MUIR L. , MUIR K. W. , PUDDEPHATT R. J. , TREURNICHT I. 
Published: May 2016

AbstractAddition of corresponding gold fragments to the Pt‐Pt bond of the complex (I) leads to the formation of the cationic complex (IIa) or the neutral complex (IIIa).
ChemInform Abstract: Platinum(II) Complexes of Methyl‐Substituted Xanthines: Crystal Structures of K(Pt(theobromine)Cl3)·H2O, trans‐(Pt(isocaffeine)2Cl2)·H2O and K(isocaffeinium)(PtCl4)·H2O.
Authors: CROWSTON E. H. , GOODGAME D. M. L. , HAYMAN P. B. , SLAWIN A. M. Z. , WILLIAMS D. J. 
Published: May 2016

AbstractThe Pt complexes (I)‐(IV) containing theophylline L1 (R1: Me, R2: H), isocaffeine L2 or theobromine L1 (R1: H, R2: Me) are prepared by previously reported methods.
ChemInform Abstract: Aminomalonato(1,2‐diaminocyclohexane)platinum(II): A Competitive Antitumor Compound Within a New Class of Neutral, Chemically Stable, Water Soluble, Functionalized Platinum(II) Complexes.
Authors: GANDOLFI O. , APFELBAUM H. C. , BLUM J. 
Published: May 2016

AbstractThe aminomalonatobis(amine)Pt complexes (III) are prepared as shown and characterized by elemental analysis and IR spectra.
ChemInform Abstract: Synthesis and Spectral Characterization of Blue Azo Dyes of the Benzene Series.
Authors: THIEL W. , MAYER R. , JAUER E.‐A. , MODROW H. , DOST H. 
Published: May 2016

AbstractA great variety of donor‐acceptor substituted azo dyes of the benzene series (III), (IV), (VII)‐(X) are synthesized.
ChemInform Abstract: Total Synthesis of the Insect Antifeedant Ajugarin I and Degradation Studies of Related Clerodane Diterpenes.
Authors: JONES P. S. , LEY S. V. , SIMPKINS N. S. , WHITTLE A. J. 
Published: May 2016

AbstractThe title compound (XII), an antifeedant from Ajuga remota(Labiatae), is synthesized according to the reaction sequence shown in the scheme.
ChemInform Abstract: Potential Bile Acid Metabolites. Part 12. Synthesis of Stereoisomeric 3,7,12‐Trihydroxy‐5α‐cholanic Acids and Related Compounds.
Authors: IIDA T. , SHINOHARA T. , MOMOSE T. , TAMURA T. , MATSUMOTO T. , NAMBARA T. , CHANG F. C. 
Published: May 2016

AbstractThe stereoisomeric 3,7,12‐trihydroxy‐5α‐cholanic acid esters (IV), (VII), (X), and (XII) are prepared from the 3,7‐dihydroxy‐12‐oxo‐5α‐ esters by reduction with sodium borohydride/palladium dichloride or with tert‐butylamine borane complex.
ChemInform Abstract: Synthetic Studies in Carbohydrates. Part 44. A Synthesis of Methyl 3‐O‐α‐D‐Mannopyranosyl‐α‐D‐mannopyranoside and Related Disaccharides.
Authors: CHOWDHARY M. S. , JAIN R. K. , RANA S. S. , MATTA K. L. 
Published: May 2016

AbstractThe key intermediates (IVa) and (IVb) are synthesized from the protected mannosides (I) as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of Methyl 3‐Acetamido‐4‐O‐benzoyl‐2,3,6‐trideoxy‐2‐fluoro‐β‐ L‐mannopyranoside: A Protected 2‐Fluoro Analogue of Acosamine.
Authors: BAPTISTELLA L. H. B. , MARSAIOLI A. J. , IMAMURA P. M. , CASTILLON S. , OLESKER A. , LUKACS G. 
Published: May 2016

AbstractReaction of the 2‐triflate (Ib), derived from the known azidoalcohol (Ia), with tetrabutylammonium fluoride yields the fluoro derivative (II).
ChemInform Abstract: The Knoevenagel‐Doebner Reaction on 2,3‐O‐Isopropylidene Derivatives of D‐Ribo‐ and D‐Manno‐furanose.
Authors: LOPEZ HERRERA F. J. , SOLEDAD PINO GONZALEZ M. 
Published: May 2016

AbstractKnoevenagel‐Doebner reaction of the mannofuranoside (I) with the ester (II) results in epimerization at C‐2, yielding the gluco product (IIIa) which is hydrolyzed to give (IIIb).
ChemInform Abstract: Synthetic Studies in Carbohydrates. Part 45. Synthesis of Methyl 2‐Oand 3‐O‐α‐D‐Talopyranosyl‐α‐D‐mannopyranoside.
Authors: RANA S. S. , MATTA K. L. 
Published: May 2016

AbstractTreatment of the disaccharide (Ia) with tert‐butylchlorodiphenylsilane gives exclusively the compound (Ib).
ChemInform Abstract: Synthesis of Diazomethyl β‐D‐Galactopyranosyl and β‐D‐Glucopyranosyl Ketones. Potential Affinity‐Labeling Reagents for Carbohydrate‐Binding Proteins.
Authors: MYERS R. W. , LEE Y.‐C. 
Published: May 2016

AbstractThe carboxylic acids (III) are prepared from the heptononitriles (I) by two routes.
ChemInform Abstract: Synthesis of the Tetradeoxynucleotide d(pGpApTpC) by a Combined Method. Use of a Methyl Group for the Protection of the Internucleotidic Phosphate Moiety.
Authors: KONSTANTINOV V. V. , MISHARIN A. YU. 
Published: May 2016

AbstractThe preparation of the title compound (VI) is described.
ChemInform Abstract: Total Synthesis of Antibiotic A23187 (Calcimycin) from D‐Glucose.
Authors: NAKAHARA Y. , FUJITA A. , BEPPU K. , OGAWA T. 
Published: May 2016

AbstractThe pyranoside (III) serves as a common intermediate for the preparation of the synthons (IV) and (V) (syntheses described).
ChemInform Abstract: A Biomimetic Approach to Sporidesmins. Synthesis of an α,β‐Epoxytryptophan Derivative.
Authors: PLATE R. , THEUNISSE A. W. G. , NIVARD R. J. F. , OTTENHEIJM H. C. J. 
Published: May 2016

AbstractTo investigate the probable biosynthetic pathway to sporidesmins like (III) via the epoxides (I) and (II) the model compound (VI) is synthesized starting from the tryptophan derivative (IV).
ChemInform Abstract: Acetone Dimethyl Hydrazone: Useful Synthon for the Synthesis of Pheromones with Keto and Spiroketal Functions.
Authors: REDDY G. B. , MITRA R. B. 
Published: May 2016

AbstractThe key step in the syntheses of the pheromones (III) and (IX) is the regioselective bisalkylation of acetonedimethylhydrazone (I) either with the protected bromoalcohol (II) or with n‐nonyl bromide (VIII) and Z‐3‐nonenyl bromide (VII).
ChemInform Abstract: A Glass Formation Study of Aqueous Rare Earth Electrolyte Solutions.
Authors: KANNO H. , AKAMA Y. 
Published: May 2016

AbstractGlass transition temp. have been measured for aqueous solutions of LnCl3, Ln(NO3)3, Ln(ClO4)3, and Ln(CF3COO)3 (Ln: La‐Lu).
ChemInform Abstract: A New Series of Compounds of Compositions U2La2n‐2O2nSn+1 with 2 ≤ n ≤ 6. Structural Approach.
Authors: VO VAN TIEN VO VAN TIEN , CHILOUET A. , ECREPONT C. , GUITTARD M. , FLAHAUT J. 
Published: May 2016

AbstractThe title compounds have been prepared by direct reaction of stoichiometric amounts of UOS and La2O2S (1400 °C, argon, yields not given).
ChemInform Abstract: Fluorides and Fluoro Acids. Part 11. Poly(hydrogen fluorides) with the Tetramethylammonium Cation: Preparation, Stability Ranges, Crystal Structures, (HnFn+1)‐ Anion Homology, Hydrogen Bonding F‐H···F.
Authors: MOOTZ D. , BOENIGK D. 
Published: May 2016

AbstractThe melting diagram of the Me4NF‐HF system has been investigated between 50 and 100 mol% HF in the temp. range ‐185 to 162 °C. The following intermediary stable compounds are observed in this quasi‐binary system: Me4NF·2 HF (I) (m.p. 110 °C), Me4NF·3 HF (II) (20 °C, decomposition), Me4NF·5 HF (III) (‐76 °C, decomposition), and Me4NF·7 HF (IV) (‐110 °C, decomposition).
ChemInform Abstract: Mechanism of Oxygen Reactions at Porous Oxide Electrodes. Part 1. Oxygen Evolution at RuO2 and RuxSn1‐xO2 Electrodes in Alkaline Solution Under Vigorous Electrolysis Conditions.
Authors: LYONS M. E. G. , BURKE L. D. 
Published: May 2016

AbstractOn the basis of experimental results (long‐term stability tests, anode deterioration measurements, cyclic voltammetry) as well as of earlier mechanistic analysis novel O2‐evolution and oxide‐dissolution mechanisms are proposed involving reactive oxyruthenium surface groups.
ChemInform Abstract: Size Quantization Effects in the Photocatalytic Activity for Small TiO2 Particles Prepared by Precipitation Method.
Authors: ANPO M. , SHIMA T. 
Published: May 2016

AbstractA drastic increase in the quantum yield for the photocatalytic hydrogenation of MeCCH is observed when the particle size of the TiO2 catalyst (both rutile and anatase type) is decreased to less than 100 Å.
ChemInform Abstract: Incorporation and Stability of Iron in Molecular‐Sieve Structures. Ferrisilicate Analogues of Zeolite ZSM‐5.
Authors: SZOSTAK R. , NAIR V. , THOMAS T. L. 
Published: May 2016

AbstractFerrisilicates with the zeolite ZSM‐5 structure have been prepared from ferrisilicate gels containing low‐molecular‐weight silica species (preparation: addition of silica in H2O to a acidified aqueous solution of Fe(NO3)3, subsequent addition of tetrapropylammonium bromide, heating at 170 °C, 3 d, autogeneous pressure).
ChemInform Abstract: Experimental and Theoretical Dipole Moments of Purines in Their Ground and Lowest Excited Singlet States.
Authors: AARON J.‐J. , GAYE M. D. , PARKANYI C. , CHOU N. S. , VON SZENTPALY L. 
Published: May 2016

AbstractGround‐state dipole moments of the purines (I)‐(III) are determined at 25 °C in acetic acid (with the exception of purine (I) (R: ‐H)) and in part in ethyl acetate.
ChemInform Abstract: Length of the Ethane Bond in Hexaphenylethane and Its Derivatives.
Authors: KAHR B. , VAN ENGEN D. , MISLOW K. 
Published: May 2016

AbstractCrystals of the hexaphenylethane (IIa), grown by allowing cyclohexane solutions of the monomer (Ia) to stand for 2 months at room temp., belong to the space group Pm3n with Z=2.
ChemInform Abstract: Bisamides of Squaric Acid: The Structures of 3,4‐Dipyrrolidino‐3‐cyclobuten‐1,2‐dione, 2,4‐Dipyrrolidino‐3‐oxocyclobutenylium‐1‐olate (Dipyrrolidinosquaraine), and 2,4‐Dipyrrolidino‐3‐oxocyclobutenylium‐1‐thiolate (Dipyrrolidinothiosquaraine).
Authors: MATTES R. , JOHANN G. , PIEPER C. 
Published: May 2016

AbstractThe title compounds (I), (IIa) and (IIb) crystallize in the space groups I2/c (Z=4), P21/c (Z=2), and Pbcn (Z=4), respectively.
ChemInform Abstract: Importance of Intermolecular Hydrogen···Hydrogen and Hydrogen···Anion Contacts for the Lattice Softness, the Electron‐Phonon Coupling, and the Superconducting Transition Temperatures, Tc, of Organic Conducting Salts β‐(ET)2X (X‐: IBr‐ 2, AuI‐ 2, I‐ 3).
Authors: WHANGBO M.‐H. , WILLIAMS J. M. , SCHULTZ A. J. , EMGE T. J. , BENO M. A. 
Published: May 2016

AbstractOn the basis of the crystal structures of the title compounds, determined at low temp. (9 K) under ambient and applied pressure, the structural factors responsible for the occurrence of the structural modulation in β‐(ET)2I3 under ambient pressure are examined.
ChemInform Abstract: Matrix Isolation IR Studies of Nucleic Acid Constituents. Part 4. Guanine and 9‐Methylguanine Monomers and Their Keto‐Enol Tautomerism.
Authors: SZCZEPANIAK K. , SZCZESNIAK M. 
Published: May 2016

AbstractIR absorption spectra provide evidence for the existence of enol‐amino and keto‐amino tautomers of (Ia) and its methyl derivative (Ib).
ChemInform Abstract: Organolithium Addition to Aldehyde Dimethylhydrazones: A Highly Diastereocontrolled Synthesis of Threo 2‐Amino Alcohols and (1R,2R)‐(‐)‐Norpseudoephedrine.
Authors: CLAREMON D. A. , LUMMA P. K. , PHILLIPS B. T. 
Published: May 2016

AbstractTreatment of dimethylhydrazones (I), (V) or (IX) with organolithium reagents generally results in the stereoselective formation of threo adducts (III), (VII) or, with subsequent hydrolysis, (XI).
ChemInform Abstract: Organoboron Compounds in Organic Synthesis. Part 4. Asymmetric Aldol Reactions.
Authors: MASAMUNE S. , SATO T. , KIM B. , WOLLMANN T. A. 
Published: May 2016

AbstractThe chiral boron enolate reagents (III) are employed in aldol reactions with aldehydes (IV) to afford the products (V) and (VII).
ChemInform Abstract: Reaction of β‐Nitro Enamines with Isocyanates, Isothiocyanates and Dimethyl Acetylenedicarboxylate.
Authors: TOKUMITSU T. 
Published: May 2016

AbstractReaction of the nitro enamines (Ia)‐(Ic) with phenyl isocyanate (II) yields the carbamoyl derivatives (III) as main products.
ChemInform Abstract: Oxidative (3 + 2) Cycloaddition of 1,3‐Diketone and Olefin Using Electroorganic Chemistry.
Authors: YOSHIDA J. , SAKAGUCHI K. , ISOE S. 
Published: May 2016

AbstractThe 1,3‐cyclohexanediones (I) are electrochemically coupled with the olefins (II) to produce the adducts (III).
ChemInform Abstract: Direct β‐Lithiation of 2‐Alkoxy Dienes: Use in an Asymmetric Diels‐ Alder Reaction.
Authors: McDOUGAL P. G. , RICO J. G. , VANDERVEER D. 
Published: May 2016

AbstractThe 2‐alkoxydienes (I) are lithiated and then coupled with the aldehydes (II), yielding the dienes (III).
ChemInform Abstract: Condensation Reaction of Polyfluorinated Aldehydes with Polyfluorinated β‐Diketones.
Authors: PASHKEVICH K. I. , LATYPOV R. R. , FILYAKOVA V. I. 
Published: May 2016

AbstractThe title reaction of the β‐diketones (I) with the aldehydes (II) yields the fluorinated vinyl ketones (III) by elimination of the fluorocarboxylic acids (IV).
ChemInform Abstract: Tandem Michael‐Carbene Insertion Reactions of Alkynyliodonium Salts. Extremely Efficient Cyclopentene Annulations.
Authors: OCHIAI M. , KUNISHIMA M. , NAGAO Y. , FUJI K. , SHIRO M. , FUJITA E. 
Published: May 2016

AbstractThe reaction of a title salt (IV) with 1,3‐dicarbonyl compounds (I) under basic conditions probably proceeds by Michael‐type addition of the anion of (I) and subsequent formation of a carbene intermediate (II), undergoing intramolecular 1,5‐C‐H insertion to give the cyclopentenes (III) ("(5 + 0) annulation").
ChemInform Abstract: EtAlCl2‐Catalyzed Reactions of Alkenes with Electrophilic Cyclopropanes. A New Cyclopentane Annelation Reaction.
Authors: BEAL R. B. , DOMBROSKI M. A. , SNIDER B. B. 
Published: May 2016

AbstractThe olefins (II), (V), and (VII) react with diethyl cyclopropanedicarboxylate (Ia) in the presence of two equivalents of ethyl aluminum dichloride (III) to form the cyclopentane derivatives (IV), (VI), and (VIII) respectively.
ChemInform Abstract: The Synthetic Potential of the Isocyanide‐Cyanide Rearrangement.
Authors: MEIER M. , RUECHARDT C. + 
Published: May 2016

AbstractExcellent chemical and optical yields (> 96% retention) of the cyanides (II) are achieved by vacuum flash thermolysis (VFT) or short contact flow thermolysis (SCFT) of the isocyanides (I).
ChemInform Abstract: New Mechanistic Proposal for Some Heptamolybdate‐Ion‐Catalyzed Isomerizations.
Authors: KLAIC B. , RAZA Z. , SANKOVIC M. , SUNJIC V. 
Published: May 2016

AbstractRate measurements for the heptamolybdate‐ion (HM) catalyzed C(2) epimerization of glucose (I) and the racemization of (II) indicate comparable free energies of activation for the two processes (107 or 119 kJ/mol).
ChemInform Abstract: The Chemistry of Heavy Carbene Analogs R2M (M = Si, Ge, Sn). Part 10. 7‐Silanorbornadiene: Reactions with Halogenes and Thermolysis in the Presence of Organometallic or Organic Halides.
Authors: APPLER H. , NEUMANN W. P. 
Published: May 2016

AbstractThe 7‐silanorbornadienes (Ia) ‐ (Id) react with halogens in diethyl ether to give the silicon‐free derivatives (IIa) ‐ (IId), whereas with bromine in CCl4 the 2‐bromosilylated naphthalene (IV) is obtained.
ChemInform Abstract: Novel Oxidizing Properties of p‐Methoxybenzenetellurinic Acid Anhydride.
Authors: HU N. X. , ASO Y. , OTSUBO T. , OGURA F. 
Published: May 2016

AbstractThe tellurinic acid anhydride (III) is prepared via the intermediate (II) by treatment of anisole (I) with tellurium tetrachloride and subsequent hydrolysis.
ChemInform Abstract: The Clemmensen Reduction of α,β‐Unsaturated Ketones.
Authors: BANERJEE A. K. , ALVAREZ G. J. , SANTANA M. , CARRASCO M. C. 
Published: May 2016

AbstractThe title reduction of the ketones (I), (V), (IX) or (XII) yields the compounds (II), (VI), (XI) or (XIII) as major products.
ChemInform Abstract: Asymmetric Reduction of Prochiral Arylketones with Chiral 2,2′‐Dihydroxy‐1,1′‐binaphthyl‐Borane Complexes.
Authors: HE M. , SCHLOEGL K. + , WIDHALM M. 
Published: May 2016

AbstractThe reduction of the aryl ketones (I) and (IV) with borane complexes containing the chiral auxiliary A yields (with one exception) (R)‐alcohols (IIa), (IIb), (IId), (IIe), (V).
ChemInform Abstract: Structural Effects in the Reactions of Diazoalkanes with 2,3‐Dichloro‐5,6‐dicyanobenzoquinone.
Authors: OSHIMA T. , NAGAI T. 
Published: May 2016

AbstractReaction of DDQ (I) with the diazo compounds (II) yields stereoisomers of the bicyclic diones (III), which are converted into the cycloheptatrienes (V).
ChemInform Abstract: Reaction of Chlorocarbonyl Fluorosulfate with Tetrafluoroethylene.
Authors: FOKIN A. V. , PAPKIN A. I. , MATVEENKO V. I. , STUDNEV YU. N. 
Published: May 2016

AbstractThe insertion product (III) is obtained on passing tetrafluoroethylene (II) through a mixture of chlorocarbonyl fluorosulfate (I) in fluorosulfonic acid in the presence of antimony pentafluoride.