bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Exo‐ and Endohormones. Part 11. Synthesis of Monounsaturated Sex Pheromones of Lepitoptera via α‐Diketones.
Authors: OPREAN I. , CIUPE H. , GANSCA L. , HODOSAN F. 
Published: May 2016

AbstractThe α‐diketones (V) are prepared starting from the cyanohydrines (I) or from N,N‐diethyl oxamate (VI).
ChemInform Abstract: Improved Charge Separation and Photosensitized H2 Evolution from Water with TiO2 Particles on Colloidal SiO2 Carriers.
Authors: FRANK A. J. , WILLNER I. , GOREN Z. , DEGANI Y. 
Published: May 2016

AbstractThe results of a detailed photolysis study demonstrate that electrostatic effects produce a dramatic improvement in the kinetics for charge separation and H2 production in aqueous systems of TiO2‐modified SiO2 colloids in combination with a zwitterionic electron relay (e.g.
ChemInform Abstract: Photoassisted Catalytic Dissociation of H2O to Produce Hydrogen on Partially Reduced α‐Fe2O3.
Authors: KHADER M. M. , VURENS G. H. , KIM I.‐K. , SALMERON M. , SOMORJAI G. A. 
Published: May 2016

AbstractThe photoproduction of H2 from H2O has been investigated using undoped Fe2O3 powders or polycrystalline pellets which are clearly shown to act as catalyst.
ChemInform Abstract: Bonding of Charge Delocalized Anions to Protic and Dipolar Aprotic Solvent Molecules
Authors: CHOWDHURRY S. , GRIMSRUD E. P. , KEBARLE P. 
Published: May 2016

Abstract(equilibria of anions such as (I) and (II) with the solvent molecules MeOH, MeCN, DMSO, THF in a pulsed electron high‐pressure mass spectrometer.
ChemInform Abstract: Photolysis of Mono‐, Di‐, and Tribenzylamine and the Novel Photocarbylamine Reaction.
Authors: BADR M. Z. A. , ALY M. M. , MAHGOUB S. A. , FAHMY A. M. , ABDEL‐LATIF F. F. 
Published: May 2016

AbstractThe benzylamines (I) ‐ (III) are photochemically cleaved to form benzaldehyde (IV), toluene (V), benzyl isocyanide (VI), benzyl chloride (VII), and (I) and (II) by irradiation in carbon tetrachloride or chloroform.
ChemInform Abstract: A Brief, Convergent, Regioselective Synthesis of Naphthoquinones. A Formal Synthesis of Nanaomycin A and Deoxyfrenolicin.
Authors: DECKER O. H. W. , MOORE H. W. 
Published: May 2016

AbstractRegioselective alkynylation of the dione (I) with the lithium salts (II) yields the adducts (III) as the main products.
ChemInform Abstract: A Route to Conformationally Restricted Antioestrogens by Coupling of a Vinyl Triflate with an Arylzinc Chloride.
Authors: MCCAGUE R. 
Published: May 2016

AbstractMethylbenzosuberone (I) is converted to its enol triflate (II) which reacts with the arylzinc chlorides (III) in the presence of a Pd catalyst, yielding the substitution products (IV), which cannot be obtained otherwise.
ChemInform Abstract: Asymmetric Induction in 1,3‐Dipolar Cycloaddition of Diazofluorene with Menthyl or 8‐Phenylmenthyl Acrylate and Fumarate Derivatives.
Authors: OKADA K. , SAMIZO F. , ODA M. 
Published: May 2016

AbstractThe menthyl acrylates and fumarates (I) undergo 1,3‐dipolar cycloaddition reaction with the diazofluorene (II) to give the spirocyclic menthyl esters (III).
ChemInform Abstract: Oxazoles are Masked Carboxyls that Activate Ortho‐Leaving Groups in Nucleophilic Aromatic Substitution.
Authors: CRAM D. J. , BRYANT J. A. , DOXSEE K. M. 
Published: May 2016

AbstractThe 2‐aryloxazoles (I), (VII), and (XI) are coupled with the Grignard reagents (II) and (V) or the aryllithium compounds (VIII), yielding the polyaryl derivatives (III), (VI), (IX), and (XII).
ChemInform Abstract: New Method for the Synthesis of Podoblastin Derivatives and 3‐Acyltetronic Acids.
Authors: KAWAKAMI H. , HIROKAWA S. , ASAOKA M. , TAKEI H. 
Published: May 2016

AbstractThe alkynols (I) or (VII) react with the nitriloxides derived from the nitro compounds (II), yielding the isoxazoles (III) and (VIII).
ChemInform Abstract: Studies on Asymmetric Synthesis of β‐Hydroxy‐δ‐lactone Inhibitors of HMGCoA Reductase. Part 1. A New Preparation of the Lactone Moiety of Compactin.
Authors: BONADIES F. , DI FABIO R. , GUBBIOTTI A. , MECOZZI S. , BONINI C. 
Published: May 2016

AbstractA new method of preparing chiral β‐hydroxy‐δ‐lactones is described, as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of Benzo(1,2‐b:5,4‐b′)dipyran Derivatives.
Authors: GOHAR A.‐K. M. N. , ABDEL‐LATIF F. F. , EL‐KTATNY M. S. 
Published: May 2016

AbstractThe reaction of the benzopyran derivative (I), obtained from visnagin, with active methylene compounds is investigated.
ChemInform Abstract: Synthesis of Mono‐ and Dibromomethyl Derivatives of Thieno(2,3‐d)pyrimidines.
Authors: KAPLINA N. V. , GRINEV A. N. , BOGDANOVA G. A. , ALEKSEEVA L. M. , PUSHKINA T. V. , FOMINA A. N. , SHVEDOV V. I. 
Published: May 2016

AbstractBromination of the 6‐methylthienopyrimidines (IV) gives the (di)bromomethyl derivatives (V) and (VI) or the 5‐bromo compound (VII) depending on the reaction conditions.
ChemInform Abstract: Reactions of Organic Anions. Part 138. Vicarious Nucleophilic Substitution of Hydrogen versus Bis‐Annulation in the Reaction of Chloromethyl Aryl Sulfone Carbanion with Electrophilic Arenes.
Authors: MAKOSZA M. , GLINKA T. , OSTROWSKI S. , RYKOWSKI A. 
Published: May 2016

AbstractThe 1‐cyanonaphthalenes (I) react with the carbanion derived from chloromethyl p‐tolyl sulfone (II) to yield either the cyclopropano‐fused derivatives (III) ‐ (V) and (VIII) or the substitution products (VI), (VII), and (IX).
ChemInform Abstract: Carbon Monosulfide Chemistry in Solution. Part 4. Studies on the Reactivity of Carbon Monosulfide Toward Amines and Thiols.
Authors: MOLTZEN E. K. , KRAMER M. P. , SENNING A. , KLABUNDE K. J. 
Published: May 2016

AbstractCarbon monosulfide (II) reacts with the amines (I) to give predominantly the expected thioformamides (III).
ChemInform Abstract: Aromatic Derivatives of 2H‐Pyrimido(5,6‐b)‐1,4‐thiazine.
Authors: ORLOV V. D. , TUENI M. , KOLOS N. N. , PAPIASHVILI I. Z. 
Published: May 2016

AbstractReaction of the aminomercaptopyrimidines (I) with the bromoacetophenones (II) leads to the formation of the title compounds (III).
ChemInform Abstract: Diethyl 3,6‐Dihydro‐2,4‐dimethyl‐2,6‐methano‐1,3‐benzothiazocine‐5,11‐ dicarboxylates as Calcium Entry Antagonists: New Conformationally Restrained Analogues of Hantzsch 1,4‐Dihydropyridines Related to Nitrendipine as Probes for Receptor‐Site Conformation.
Authors: BALDWIN J. J. , CLAREMON D. A. , LUMMA P. K. , MCCLURE D. E. , ROSENTHAL S. A. , WINQUIST R. J. , FAISON E. P. , KACZOROWSKI G. J. , TRUMBLE M. J. , SMITH G. M. 
Published: May 2016

AbstractOxidation of the thioether (I) yields the corresponding sulfoxide which undergoes a Pummerer rearrangement with sodium acetate, yielding the masked thiol (II).
ChemInform Abstract: One‐Step Synthesis of Stabilized Phosphonates.
Authors: KANDIL A. A. , PORTER T. M. , SLESSOR K. N. 
Published: May 2016

AbstractThe phosphonates (III) are obtained from the nitriles, nitroalkanes, and esters (I) on treatment with bases and subsequent phosphonylation with diethyl chlorophosphonate (II).
ChemInform Abstract: Catalytic Oxygenation of Pyrocatechols by O2 in the Presence of Vanadium. Synthesis, Characterization, Electronic Structure and Reactivity of the Vanadium(IV)/Tetrachloro‐o‐quinone System.
Authors: GALEFFI B. , POSTEL M. , GRAND A. , REY P. 
Published: May 2016

AbstractThe diamagnetic, dark blue complex (III) (IR, 17O NMR, EHT calculations) catalyzes the oxygenation of the hydroquinone (IV).
ChemInform Abstract: First Examples of Complexes Containing η1‐Bonded Phosphaalkynes Synthesis and Crystal and Molecular Structure of trans‐(Mo(Ad‐CP)2(Et2P‐(CH2)2‐PEt2)2) (Ad: Adamantyl).
Authors: HITCHCOCK P. B. , MAAH M. J. , NIXON J. F. , ZORA J. A. , LEIGH G. J. , ABU BAKAR M. 
Published: May 2016

AbstractThe title complexes (I) and (II) are prepared from the corresponding N2‐complexes via substitution of N2.
ChemInform Abstract: Mononuclear Oxo‐ and Sulfidomolybdenum(IV) Complexes: Syntheses and Crystal Structures of (HB(Me2C3N2H)3)MoE(S2CNEt2) (E: O, S) and Related Complexes.
Authors: YOUNG C. G. , ROBERTS S. A. , ORTEGA R. B. , ENEMARK J. H. 
Published: May 2016

AbstractThe green, diamagnetic, air‐stable complexes (IVa)‐(IVc) are prepared by the reaction of the complexes (I) with the salt (II) in refluxing toluene.
ChemInform Abstract: Synthesis and Evaluation of Novel Activated Mixed Carbonate Reagents for the Introduction of the 2‐(Trimethylsilyl)ethoxycarbonyl(Teoc)‐Protecting Group.
Authors: SHUTE R. E. , RICH D. H. 
Published: May 2016

Abstract2‐Trimethylsilylethanol (I) is converted to the chloroformate (II) and then coupled with the N‐hydroxy derivatives (III) to produce the carbonates (IV).
ChemInform Abstract: A General Synthesis of cis Perhydro‐3,6‐isoquinolinediones Related to the Alloyohimbane Alkaloids.
Authors: STORK G. , LIVINGSTON D. A. 
Published: May 2016

AbstractThe benzylamines (I) undergo Birch reduction and subsequent acylation to give the ester amides (III) which are cyclized to form the bicyclic systems (IV).
ChemInform Abstract: Kinetics of the Formation and Hydrolysis Reactions of Some Thiomolybdate(VI) Anions in Aqueous Solution.
Authors: CLARKE N. J. , LAURIE S. H. , BLANDAMER M. J. , BURGESS J. , HAKIN A. 
Published: May 2016

AbstractThe kinetics of the formation of the anions (II) and (III) have been determined spectroscopically (UV/VIS) by addition of excess sulfide to (I) in buffered (pH 6‐8) aqueous solution.
ChemInform Abstract: Temperature‐programmed Reduction and Catalytic Activity of Ni/Al2O3.
Authors: HOANG DANG LANH HOANG DANG LANH , HO SI THOANG HO SI THOANG , NGUYEN KHOAI NGUYEN KHOAI , VOELTER J. + 
Published: May 2016

AbstractNi/γ‐Al2O3 catalysts containing 5‐30 wt.% Ni have been prepared and calcined at various temp. (400‐600 °C, 4 h, air).
ChemInform Abstract: Direct Observation by Controlled Atmosphere Electron Microscopy of the Changes in Morphology of Molybdenum Oxide and Sulfide Supported on Alumina and Graphite.
Authors: HAYDEN T. F. , DUMESIC J. A. , SHERWOOD R. D. , BAKER R. T. K. 
Published: May 2016

AbstractThe use of controlled atmosphere electron microscopy in O2 and H2S/H2 gas mixtures allows to observe dynamically the changes in particle morphology and to determine the temp. at which such phenomena occur.
ChemInform Abstract: Synthesis of Crystalline Metal Silicate Hydrates of Layered Structure.
Authors: SCHWIEGER W. , HEYER W. , WOLF F. , BERGK K.‐H. 
Published: May 2016

AbstractThe synthesis of metal silicate hydrates by hydrothermal crystallization from the ternary systems M2/nO‐SiO2‐H2O (M: Li, Na, K, Ca, Mg) has been investigated systematically using three different starting gels.
ChemInform Abstract: Preparation and Structure of LaTa3O9. X‐Ray Diffraction and Electronmicroscopic Investigations.
Authors: LANGENBACH‐KUTTERT B. , STURM J. , GRUEHN R. 
Published: May 2016

AbstractThe title compound has been prepared from a mixture of La2O3 and Ta2O5 (molar ratio 1:3) by chemical transport using Cl2 as transportation agent (1100 → 1040 °C. 9 d).
ChemInform Abstract: High‐Tc Superconductors: Selective Preparation and Characterization of Tetragonal and Orthorhombic (93 K Superconductor) Phases of YBa2Cu3O7‐x.
Authors: KINI A. M. , GEISER U. , KAO H.‐C. I. , CARLSON K. D. , WANG H. H. , MONAGHAN M. R. , WILLIAMS J. M. 
Published: May 2016

AbstractFor the preparation of YBa2Cu3O7‐x (x ≅ 0.1) the "pH‐adjusted carbonate route" is chosen.
ChemInform Abstract: Biomimetic Oxidation of Antergan with Iodylbenzene.
Authors: BARRET R. , PAUTET F. , DAUDON M. 
Published: May 2016

AbstractThe oxidation of (I) with iodylbenzene is studied as a biomimetic model of the oxidation of the antihistaminic drug Antergan by the enzyme cytochrome P‐450.
ChemInform Abstract: Organic Syntheses with Transition‐Metal Complexes. Part 24. Nitrogen Heterocycles from Carbene Complexes and Alkenyl Isocyanides.
Authors: AUMANN R. , KUCKERT E. , KRUEGER C. + , ANGERMUND K. 
Published: May 2016

AbstractReaction between the carbene complex (I) and the isocyanides (II) yields the products (III), (IV) and (V).
ChemInform Abstract: 1,4‐Diastereoselectivity in the Addition of Allylstannanes to 1‐Alkyl‐ 2‐oxocyclohex‐3‐eneacetic Acid Methyl Esters.
Authors: MOBILIO D. , DE LANGE B. 
Published: May 2016

AbstractThe cyclohexanones (I) are substituted and dehydrogenated to give the cyclohexenoneacetates (II).
ChemInform Abstract: An Unusual Reaction of 2,5‐Dimethylfuran.
Authors: PEVZNER L. M. , IGNAT'EV V. M. 
Published: May 2016

AbstractThe title compound (I) reacts with paraformaldehyde (II) to yield a mixture of the monoalcohol (III) and the diol (IV), which can be separated by vacuum distillation.
ChemInform Abstract: 1,2,3,9a‐Tetrahydro‐9H‐imidazo(1,2‐a)indoles.
Authors: DEGUTIS YU. A. , SHACHKUS A. A. 
Published: May 2016

AbstractThe title compounds (II), prepared from the tetrahydroimidazoindolones (I) or the methyleneindoline (IIIa), are cleaved on treatment with hydrogen chloride or benzoyl chloride, forming the indolinium salts (IV) and the indoline (V) respectively.
ChemInform Abstract: Synthesis of Mebendazole and Enviroxime. Acylation of 2‐Amino‐5‐benzoylbenzimidazole.
Authors: RAVINDRANATHAN T. , WAKHARKAR R. D. , LANDGE A. B. 
Published: May 2016

AbstractThe benzimidazole (I) mentioned in the title reacts with methyl chloroformate (II) under various conditions, yielding either the diacylated derivatives (III) or (VI) or the monoacyl compound (V).
ChemInform Abstract: Formamide in the Synthesis of 1,2,4‐Triazolo(1,5‐a)benzimidazoles.
Authors: KUZ'MENKO V. V. , KUZ'MENKO T. A. , SIMONOV A. M. 
Published: May 2016

AbstractReaction of the 1,2‐diaminobenzimidazoles (I) and (V) or the quaternary salts (IV) with formamide (II) leads to the formation of the title compounds (III) and (VI).
ChemInform Abstract: Thieno Compounds. Part 7. The Synthesis of 2‐Arylvinyl‐3,4‐dihydro‐4oxothieno(2,3‐d)pyrimidines.
Authors: PECH R. , BOEHM R. + 
Published: May 2016

AbstractThe pyrimidines (III) are prepared by melting the fused 2‐methylpyrimidones (I) together with the benzaldehydes (II).
ChemInform Abstract: Formation of peri‐Fused Heterocycles by Intramolecular Displacement of Halide.
Authors: HERBERT J. M. , WOODGATE P. D. , DENNY W. A. 
Published: May 2016

Abstract1,8‐Dibromonaphthalene (II) is aminated to give 1‐amino‐8‐bromonaphthalene (III) which undergoes cyclization reaction with potassium phthalimide (I) to produce phthaloperin‐12‐one (IV).
ChemInform Abstract: Relative Reactivities of the Small Closo Carboranes 1,6‐C2B4H6 and 2,4‐C2B5H7 and of closo‐1,10‐C2B8H10 Toward “Electrophilic” Reagents.
Authors: NAM W. , ONAK T. 
Published: May 2016

AbstractThe relative reactivities of the title carboranes (I)‐(III) and some of their derivatives toward electrophilic reagents of the type RX/AlCl3 (RX: MeCl, EtCl, Cl2, Br2) are reported from competition studies.
ChemInform Abstract: α‐Silylated (RO)2P(O)CR1R2SiR3R4R5 and α,α‐Disilylated (RO)2P(O)CR1(Si(CH3)3)2 Phosphonates. Preparation and Properties.
Authors: SAVIGNAC P. , TEULADE M.‐P. , COLLIGNON N. 
Published: May 2016

AbstractThe alkylphosphonates (I) are lithiated with LDA to form the lithiophosphonates (II) which are silylated by the chlorotrialkylsilanes (III), yielding the lithiated α‐silylphosphonates (IV).
ChemInform Abstract: 1,3λ3‐Azaphospholo(1,2‐α)pyridine, 1,2,4λ3‐Diazaphospholo(1,5‐α)pyridine, 1,3λ3‐Azaarsolo(1,5‐α)pyridine, and 1,2,4λ3‐Diazaarsolo(1,5‐α)pyridine.
Authors: MAERKL G. + , PFLAUM S. 
Published: May 2016

AbstractThe 1,3‐oxazolo(3,2‐a)pyridinium cations (I) which equilibrate with (II) and the 1,3,4‐oxadiazolo(3,2‐a)pyridinium cations (VI) react with tris(trimethylsilyl)phosphine (III) or the Li derivative (IV) to give the azaphospholes (V) or (VII).
ChemInform Abstract: Metal Complexes of Tetrapyrrole Ligands. Part 43. Nickel(II) 5,15‐Dialkyl‐5,15‐dihydro‐2,3,7,8,12,13,17,18‐octaethylporphyrins (Decaalkylporphodimethenes): Isolation of a New Stereoisomer and 1H NMR Spectroscopy.
Authors: BOTULINSKI A. , BUCHLER J. W. , WICHOLAS M. 
Published: May 2016

AbstractThe novel complexes (I) wherein the 5,15‐substituents assume the syn‐axial conformation are prepared from the free ligand and Ni acetate in boiling buffered glacial acetic acid.
ChemInform Abstract: Highly Stabilized Copper(III) Complexes.
Authors: ANSON F. C. , COLLINS T. J. , RICHMOND T. G. , SANTARSIERO B. D. , TOTH J. E. , TRECO B. G. R. T. 
Published: May 2016

AbstractThe reaction of strongly donating polyanionic chelating ligands with copper acetate hydrate in ethanol yields the Cu(III) complexes (I)‐(III), which are isolated as salts of noncoordinating cations.
ChemInform Abstract: Steric Control of Aggregation in Neutral Silver(I) Thiolates, (AgSR)n. Crystal and Molecular Structures of (AgSCH(SiMe3)2)8, a Discrete Molecular Biscycle of Weakly Interacting (AgSCH(SiMe3)2)4 Units, and of (AgSC(SiPhMe2)3)3 and (AgSC(SiMe3)3)4, Discrete Molecular Monocycles Containing Linearly Coordinated Silver(I) and Doubly Bridging Mercapto Sulfur Donors from Novel Sterically Hindered Thiolate Ligands. A Comparison with the Nonmolecular Structure of (Ag4(SCH2(SiMe3))3)n(OMe)n.
Authors: TANG K. , ASLAM M. , BLOCK E. , NICHOLSON T. , ZUBIETA J. 
Published: May 2016

AbstractThe reaction of the sterically hindered thiolate ligands with AgNO3 in the presence of triethylamine as base in acetonitrile affords the title complexes.
ChemInform Abstract: Isolation and Structure of the Novel Dirhodium(II) Compound Rh2(dmpm)2((C6H5)2P(C6H4))2Cl2 with Bridging Bis(dimethylphosphino)methane and Ortho‐Metalated Triphenylphosphine Ligands.
Authors: COTTON F. A. , DUNBAR K. R. 
Published: May 2016

AbstractThe acetate ligands in Rh2(O‐Ac)2(PPh2C6H4)2 (or Rh2(O‐Ac)4) can be labilized by Me3SiCl.
ChemInform Abstract: Synthesis, Molecular Structure, and Physicochemical Properties of M2(form)4 (M: Ni, Pd; form: N,N′‐Di‐p‐tolylformamidinato). Attempts to Generate a Palladium(III) Dimer.
Authors: COTTON F. A. , MATUSZ M. , POLI R. 
Published: May 2016

AbstractThe reaction of the in situ prepared Li salt of the ligand with NiBr2 and Pd3(OAc)6 yields the isostructural complexes (Ia) and (Ib), respectively.
ChemInform Abstract: An Improved Synthesis of γ‐L‐Glutamyltaurine.
Authors: GULYAS J. , SEBESTYEN F. , HERCSEL‐SZEPESPATAKY J. , FURKA A. 
Published: May 2016

AbstractPhthaloyl‐L‐glutamic acid (I) is converted to the anhydride (II) which is coupled with the aminosulfonic acid (III) in the presence of tetramethylguanidine (IV).
ChemInform Abstract: Amphiphilic Carbohydrate‐Based Mesogens. Part 2. Aldose Di‐n‐alkyl Dithioacetals: Novel Double‐Tailed Thermotropic Liquid Crystals.
Authors: DAHLHOFF W. V. 
Published: May 2016

AbstractMercaptolysis of (I) under standard conditions or in the presence of ZnCl2/CaCl2 affords the mesogenic dithioacetals (III).
ChemInform Abstract: Inelastic Neutron Scattering from Tetramethylammonium Cations Occluded within Zeolites.
Authors: BRUN T. O. , CURTISS L. A. , ITON L. E. , KLEB R. , NEWSAM J. M. , BEYERLEIN R. A. , VAUGHAN D. E. W. 
Published: May 2016

AbstractInelastic neutron scattering has been used to measure tetramethylammonium (TMA) template torsional vibrations, vibrations that prove to be sensitive to the strength of the interaction between the template cation and the enclosing zeolite cage.
ChemInform Abstract: Interstitial Hydrogen in the Early‐Transition‐Metal Halides.
Authors: BURDETT J. K. , MILLER G. J. 
Published: May 2016

AbstractIn the past, the ZrCl and ZrBr structure types are believed to be adopted by the Group 3 and many lanthanoid metal halides, but a more careful analysis of the diffraction data indicate the presence of significant amounts of interstitial species such as hydrogen or oxygen in these layered halides.
ChemInform Abstract: The Hot Corrosion of Ni‐Based Ternary Alloys and Superalloys for Application in Gas Turbines Employing Residual Fuels
Authors: SIDKY P. S. , HOCKING M. G. 
Published: May 2016

Abstracthas been studied in melts of Na2SO4, NaVO3 and mixtures thereof at temp. ranging from 680 to 900 °C by potentiodynamic polarization and cyclic polarization measurements.
ChemInform Abstract: A Mechanistic Investigation on the Formation of Molybdophosphate Complexes in Aqueous Solution by the Use of Laser Raman Spectroscopy.
Authors: MURATA K. , IKEDA S. 
Published: May 2016

AbstractTwo distinct reaction rates are observed for the formation of (PMo12O40)3‐ (I) depending on the formation procedure: mixing an acidic molybdate solution with an acidic phosphate solution exhibits a very slow reaction rate (formation of (I) is completed after ∼ 10 min), whereas acidification of the mixed molybdate‐phosphate solution rapidly produces 80% of (I) (30 s).
ChemInform Abstract: Syntheses with Cyclobutadienes. Part 19. Ring‐Opening of Bi‐ and Tricyclic Adducts of Carbonyl Compounds onto a Kinetically Stabilized Cyclobutadiene.
Authors: FINK J. , GUEMBEL H. + , EISENBARTH P. , REGITZ M. 
Published: May 2016

AbstractBenzophenone (II) adds photochemically onto the cyclobutadiene (I) to give the oxabicyclohexene (III) which is in equilibrium with the oxatricyclohexane (V) in acidic medium.
ChemInform Abstract: Reaction of a Chlorovinylcarbene with Ketene Alkyl Silyl Acetals. Synthesis of New α‐ and β‐Allenic Carboxylates.
Authors: SLOUGUI N. , ROUSSEAU G. 
Published: May 2016

AbstractReaction of the ketene alkyl silyl acetals (I) with the trichlorocyclopropane (II) in the presence of methyllithium leads to the formation of the vinylcyclopropanes (III).
ChemInform Abstract: Propentdyopents (5‐(2‐Oxo‐2H‐pyrrol‐5‐ylmethylene)pyrrol‐2(5H)‐ones) and Related Compounds. Part 2. The Z ⇄ E Photoisomerization of Pyrromethenone Systems.
Authors: BONNETT R. , HAMZETASH D. , VALLES M. A. 
Published: May 2016

AbstractPhotoisomerization of Z‐(I) or (III) is shown to take place by NOE measurements.
ChemInform Abstract: Kinetic Solvent Isotope Effect and Proton Inventory Study of the Carbon Protonation of Amine Adducts of Benzylidene Meldrum′s Acid and Other Meldrum′s Acid Derivatives. Evidence for Concerted Intramolecular Proton Transfer.
Authors: BERNASCONI C. F. , FAIRCHILD D. E. , MURRAY C. J. 
Published: May 2016

AbstractThe kinetic isotope effects for the carbon protonation in (I) and (V) differ by three orders of magnitude.
ChemInform Abstract: Conjugate Reduction of α,β‐Acetylenic Ketones and Esters by Diisobutylaluminum Hydride‐Hexamethylphosphoric Triamide.
Authors: TSUDA T. , YOSHIDA T. , KAWAMOTO T. , SAEGUSA T. 
Published: May 2016

AbstractReduction of the title α,β‐acetylenic ketones or esters (I) with diisobutylaluminum hydride/HMPA gives the enones (II) after protic work‐up.
ChemInform Abstract: Novel Desulfurization of Thiocarbonyl Compounds into Their Carbonyl Compounds with Tertiary Butyl Thionitrate.
Authors: KIM H. J. , KIM Y. H. 
Published: May 2016

Abstracttert‐Butyl thionitrate (I) exists in three isomeric forms (Ia) ‐ (Ic).
ChemInform Abstract: Radical Chain Decarboxylation of Formic Acid Esters.
Authors: NURBERDIEV R. , ROL'NIK L. Z. , KHEKIMOV YU. K. , ZLOTSKII S. S. , RAKHMANKULOV D. L. 
Published: May 2016

AbstractThe peroxide‐initiated decarboxylation of the formic acid esters (I) gives the corresponding alkanes (II).
ChemInform Abstract: Synthesis and Reactivity of N‐Substituted‐1‐Amino‐2‐(methylsulfonyl)‐3‐ phenyl‐2‐propenes.
Authors: DOOMES E. , OVERTON B. M. 
Published: May 2016

AbstractReaction of methanesulfonyl chloride (II) with the styrene (I) gives the adduct (III), subsequent elimination of HCl produces (IV).
ChemInform Abstract: Acid‐Mediated Trans‐Cis Isomerization of Substituted Tetrathiafulvalenes. Selective Precipitation of the Trans Isomer.
Authors: SOUIZI A. , ROBERT A. , BATAIL P. , OUAHAB L. 
Published: May 2016

AbstractDissolving the tetrathiafulvalene (I) in commercial CDCl3 results in an acid catalyzed equilibrium with the cis‐isomer (II).
ChemInform Abstract: Palladium‐Catalyzed Denitro‐Sulfonylation and Amination of β,γ‐Epoxy Nitro Compounds.
Authors: TAMURA R. , KATO M. , SAEGUSA K. , ODA D. , EGAWA T. , YAMAMOTO T. 
Published: May 2016

AbstractBase‐catalzyed ring opening of the fused oxiranes (I) followed by isomerization of the resulting double bond gives the hydroxynitromethylcycloalkenes (II).