bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Reductions of Methyl 2,3‐Di‐O‐benzyl‐4‐deoxy‐β‐L‐threo‐hex‐4‐enodialdopyranoside.
Authors: GIULIANO R. M. , BUZBY J. H. 
Published: May 2016

AbstractShort‐time catalytic hydrogenation of the unsaturated 6‐aldehydo sugar derivative (I) yields the β‐L‐configurated aldehyde (IIa), whereas the more stable α‐D‐isomer (IIb) is formed at longer reduction times.
ChemInform Abstract: Crystal Structures of Acid Hydrates and Oxonium Salts. Part 25. Fluorides and Fluoro Acids. Part 15. The Crystalline Hydrates of Hexafluorosilicic Acid: A Combined Phase‐Analytical and Structural Study.
Authors: MOOTZ D. , OELLERS E.‐J. 
Published: May 2016

AbstractThe H2SiF6‐H2O system is investigated by DTA and XRD and the melting diagram is determined for the range of 80‐100 mol% H2O. In this range, three crystalline hydrates, H2SiF6·nH2O (n: 4, 6, 9.5) (Ia)‐(Ic) exist.
ChemInform Abstract: Simplex Optimization of Electroreduction of Oxygen Mediated by Methyl Viologen Supported on Zeolite‐Modified Carbon Paste Electrode.
Authors: CREASY K. E. , SHAW B. R. 
Published: May 2016

AbstractIncorporation of zeolite Y into a carbon paste electrode is shown to improve the efficiency of mediated electroreduction of oxygen by methyl viologen (MV) cation radical.
ChemInform Abstract: Methyl Trifluoropyruvate in Cycloaddition Reactions.
Authors: GOLUBEV A. S. , KOLOMIETS A. F. , FOKIN A. V. 
Published: May 2016

AbstractMethyl trifluoropyruvate (I) reacts with diazomethane (II), ethyl diazoacetate (VI), triethyl orthoformate (VII), or cyclopentadiene (IX) to give the cycloaddition products (III) and (IV), (V), (VIII), or (X).
ChemInform Abstract: Intra‐ and Intermolecular Hetero‐Diels‐Alder Reactions. Part 17. Intramolecular Hetero‐Diels‐Alder Reaction of Alkylidene‐ and Benzylidenepyrazolones and Benzylideneisoxazolones. Investigations Toward the Conformation of the Transition State.
Authors: TIETZE L. F. , BRUMBY T. , PRETOR M. , REMBERG G. 
Published: May 2016

AbstractThe o‐(allyloxy)benzaldehydes (I) are coupled with the pyrazolones (II) or the isoxazolone (V) to form the allyloxybenzylidene derivatives (III) or (VI) which undergo intramolecular cycloaddition reaction, producing the hetero‐fused benzopyranopyrans (IV) or (VII) with predominance of the corresponding cis‐isomers.
ChemInform Abstract: Synthesis and Properties of Azoles and Their Derivatives. Part 17. Studies on the Ring Opening of 3,4‐Diaryl‐5‐nitroisoxazolines with Nucleophilic Reagents.
Authors: BARANSKI A. , CHOLEWKA E. 
Published: May 2016

AbstractThe isoxazolines (II), when treated with a stoichiometric quantity of sodium methoxide, do not afford the expected ketones (I) but undergo ring opening to give the nitriles (III) and the ester (IV).
ChemInform Abstract: Photochemistry of α,β‐Unsaturated Thiones: Cycloaddition of Thiocoumarin to Electron‐Rich and Electron‐Deficient Olefins from T1.
Authors: DEVANATHAN S. , RAMAMURTHY V. 
Published: May 2016

AbstractThiocoumarin (I), prepared from coumarin by sulfuration with P4S10, is irradiated in the presence of the olefins (II), (IV), or (VII) to yield the thietanes (III), (V) and (VI), or (VIII).
ChemInform Abstract: Structure of the Monoacylation Product of 1,4‐Diamino‐2‐methoxyanthraquinone.
Authors: BILOZOR T. K. , VOLOSHIN G. A. , YARISH M. E. , VASHCHUK S. M. , CHUIKO L. S. 
Published: May 2016

AbstractThe reaction between the 1,4‐diaminoanthraquinone (I) and methacryloyl chloride (II) affords the derivative (III).
ChemInform Abstract: Reactions of Aromatic Nitro Compounds. Part 58. Anionic σ‐Complexes of 9‐Nitroanthracene.
Authors: ATROSHCHENKO YU. M. , GITIS S. S. , KAMINSKII A. YA. 
Published: May 2016

AbstractAccording to a known procedure anthracene (I), dissolved in the corresponding alcohol (II), is nitrated by HNO3 (III) to give the derivatives (IV).
ChemInform Abstract: Synthesis of Arylsulfonyl Substituted Pyrroles.
Authors: DALLA CROCE P. , GARIBOLDI P. , LA ROSA C. 
Published: May 2016

AbstractThe symmetrically substituted munchnones (II), prepared from the N‐acylamino acids (I), react with the arylsulfonylalkynes (III) to form the arylsulfonylpyrroles (IV).
ChemInform Abstract: Reaction of 2‐Dimethylaminomethylene‐1,3‐diones with Dinucleophiles. Part 6. Synthesis of Ethyl or Methyl 1,5‐Disubstituted 1H‐Pyrazole‐4‐carboxylates.
Authors: MENOZZI G. , MOSTI L. , SCHENONE P. 
Published: May 2016

AbstractThe 2‐dimethylaminomethylene‐3‐keto esters (III), prepared from the carboxylates (I) and dimethylformamide dimethyl acetal (II), react with methylhydrazine (IV) to form the pyrazolecarboxylates (V) and (VI).
ChemInform Abstract: Synthesis and Hydrolysis of Substituted Imidazolinium Salts. Behaviour of the Degradation Products on Varying pH.
Authors: FERNANDEZ B. M. , REVERDITO A. M. , PAOLUCCI G. A. , PERILLO I. A. 
Published: May 2016

AbstractThe imidazolinium salts (III) are cleaved upon basic treatment, forming the amides (IV) which isomerize to give the amides (V).
ChemInform Abstract: Thermal ortho‐Substitution of Phenols by Vinyl Ethers.
Authors: PINHEY J. T. , PHAN THANH XUAN PHAN THANH XUAN 
Published: May 2016

AbstractPyrolysis of a mixture of the phenols (I) and dihydropyran (II) results in formation of the tetrahydropyranyl phenols (III).
ChemInform Abstract: Synthesis and Reaction of 6‐Substituted 3‐Methoxycarbonyl‐4‐methylthio‐2H‐pyran‐2‐one Derivatives.
Authors: TOMINAGA Y. , USHIROGOCHI A. , MATSUDA Y. 
Published: May 2016

AbstractThe title compounds (III) are obtained by cyclocondensation of the (het)aryl methyl ketones (I) with the bis(methylthio)methylenemalonate (II).
ChemInform Abstract: Fused Pyridines. Part 7. Synthesis and Reactions of 6‐Aryl‐3‐cyano‐2(1H)‐pyridinethiones. Crystal Structure of Bis(6‐(2,4‐dimethoxyphenyl)‐3‐cyano‐2‐pyridyl) Disulfide.
Authors: NESTEROV V. N. , RODINOVSKAYA L. A. , LITVINOV V. P. , SHARANIN YU. A. , SHESTOPALOV A. M. , MORTIKOV V. YU. , SHWEDOV V. I. , SHKLOVER V. E. , STRUCHKOV YU. T. 
Published: May 2016

AbstractThe aroylenolates (I) react with cyanothioacetamide (II) to give regioselectively the cyanopyridinethiones (III).
ChemInform Abstract: Synthesis and Biological Characterization of Pyridohomotropanes. Structure‐Activity Relationships of Conformationally Restricted Nicotinoids.
Authors: KANNE D. B. , ABOOD L. G. 
Published: May 2016

AbstractStarting with the cyano compound (I), the pyrido(3,4‐b)homotropanes (VI), (VIII), and (X) are synthesized as outlined in the reaction scheme.
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 16. Boroxazolidones Derived from α‐Amino Acids and Borinic or Boronic Esters. A Simple Procedure for Upgrading Borinates and Boronates to Materials of High Optical Purity.
Authors: BROWN H. C. , GUPTA A. K. 
Published: May 2016

AbstractReaction of the borinic acids (I) or (IV) with the L‐amino acids (II) or (V) gives the crystalline chelates (III) or (VI).
ChemInform Abstract: Basicity and 29Si NMR Spectroscopic Investigations of Ethoxysiloxanes.
Authors: POPOWSKI E. , SCHULZ J. , JANCKE H. , FEIST K. , KELLING H. 
Published: May 2016

AbstractThe ethoxysiloxanes of the types (I)‐(V) are prepared from corresponding chlorosiloxanes by treatment with ethanol in the presence of pyridine with 40‐75% yields.
ChemInform Abstract: Formation and Reactivity of Trimethylsilylmethylcyclopentenones.
Authors: BILLINGTON D. C. , KERR W. J. , PAUSON P. L. 
Published: May 2016

AbstractThe cobalt complex (III), prepared from the silylpropyne (I) and octacarbonyldicobalt (II), reacts with the olefins (IV) to yield the 2‐(silylmethyl)cyclopentenones (V).
ChemInform Abstract: Hexa‐tert‐butyldigermane and Hexa‐tert‐butylcyclotrigermane Molecules with the Hitherto Longest Ge‐Ge and Ge‐C Bonds.
Authors: WEIDENBRUCH M. , GRIMM F.‐T. , HERRNDORF M. , SCHAEFER A. + , PETERS K. , VON SCHNERING H. G. 
Published: May 2016

AbstractReductive dehalogenation of the poly(tert‐butyl)chlorogermanes (I) or (V) with lithium naphthalenide gives the corresponding alkylgermanes (II) and (VI) mentioned in the title.
ChemInform Abstract: A Model for the Unsaturated Intermediate in Dissociative Electron‐Transfer‐Catalyzed Substitution Reactions of Organometallic Compounds.
Authors: DONOVAN B. T. , GEIGER W. E. 
Published: May 2016

AbstractThe cobaltafluorenyl complex (I) is reduced electrochemically to give the mononuclear 17e‐ anion (II) which undergoes ETC substitution reactions.
ChemInform Abstract: Cu(II) and Cu(I) Coordination Chemistry of a Novel O,O,Cl‐Chelate Ligand; Formation of a Stable Carbonylcopper Complex.
Authors: KLAEUI W. + , BUCHHOLZ E. 
Published: May 2016

AbstractThe tridentate chloro(dimethylphosphoryl)(dimethylphosphite)‐Ru(II) complex (III) prepared as shown reacts with Cu(II) acetate (IV) to give the bis(ligand)‐Cu(II) complex (V).
ChemInform Abstract: Synthesis and Structure of (CpRu(PPh3)2(SC2H4))OSO2CF3. A Transition‐Metal Analogue of an Episulfonium Salt.
Authors: AMARASEKERA J. , RAUCHFUSS T. B. , WILSON S. R. 
Published: May 2016

AbstractThe triflate Ru complex (I) prepared from its chloro‐analogue reacts with thiirane (II) to yield the stable title complex (III).
ChemInform Abstract: The Selective Monobenzylidenation of Some Monosaccharides and Their Derivatives with α,α‐Dimethoxytoluene.
Authors: PATRONI J. J. , STICK R. V. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractTreatment of the mannopyranoside (I) with the dimethoxytoluene (II) in DMF in the presence of an acid catalyst leads to a selective benzylidenation giving mainly the 4,6‐benzylidene derivative (III) together with the other mono‐((IVa),(IVb)) and bis‐benzylidene derivatives (Va),(Vb).
ChemInform Abstract: Quaternary System ZnSe‐Cr2Se3‐In2Se3.
Authors: OKONSKA‐KOZLOWSKA I. , KUSKE P. , LUTZ H. D. 
Published: May 2016

AbstractThe sections Zn1‐xIn0.667xCr2Se4 and ZnCr2‐yInySe4 as well as some samples of compositions outside these sections are investigated by XRD.
ChemInform Abstract: Thermal Decomposition of K2Ti(O2)F4·H2O at High Pressure. High Pressure Synthesis of K2TiOF4·H2O and K2TiOF4.
Authors: SCHABERT M. , PAUSEWANG G. 
Published: May 2016

AbstractThe title compounds (II) and (III), obtained by high‐pressure thermal decomposition of (I), are found to be not identical with the compounds of the same formulae obtained under normal pressure.
ChemInform Abstract: Solvolysis of the ReO‐ 4 Anion in the HSO3Cl Solvent System; Synthesis and Characterization of an Oxobridged Binuclear Re(VII) Chlorosulfate.
Authors: ZAIDI S. A. A. , LUTFULLAH LUTFULLAH , SIDDIQI Z. A. 
Published: May 2016

AbstractThe dioxobridged compound (III) is isolated from solution of the perrhenates (I) in chlorosulfuric acid and is characterized by elemental analysis, magnetic measurements, and IR spectroscopy.
ChemInform Abstract: Correlation and Prediction of Gas‐Liquid Partition Coefficients in Hexadecane and Olive Oil.
Authors: ABRAHAM M. H. , FUCHS R. 
Published: May 2016

AbstractA cavity theory of solution is used to derive an equation for the correlation and prediction of Ostwald solubility coefficients (as log L values) of solutes in hexadecane and olive oil: log L = a +bV + c(MR) + dμ2.
ChemInform Abstract: Novel Approach to Seven‐Membered Rings by the Intramolecular Tandem Cyclopropanation/Cope Rearrangement Sequence.
Authors: DAVIES H. M. L. , OLDENBURG C. E. M. , MCAFEE M. J. , NORDAHL J. G. , HENRETTA J. P. , ROMINES K. R. 
Published: May 2016

AbstractMethyl styrylacetate (I) is converted to the α‐diazo ester (III) which reacts with cyclopentadiene (IV) in the presence of rhodium(II) acetate to yield the endo (3 + 4)cycloadduct (V).
ChemInform Abstract: Iodovinylidenelactone Synthesis. Free Radical Cyclization of Iodo Acetylenic Esters.
Authors: HAAIMA G. , WEAVERS R. T. 
Published: May 2016

AbstractThe cycloalkenes (I) react with N‐iodosuccinimide and the acetylenic acids (II) to give the iodocycloalkylacetylenecarboxylates (III).
ChemInform Abstract: X=Y‐ZH Systems as Potential 1,3‐Dipoles. Part 10. The Decarboxylative Route to Azomethine Ylides. Background and Relevance to Pyridoxal Decarboxylases.
Authors: ALY M. F. , GRIGG R. , THIANPATANAGUL S. , SRIDHARAN V. 
Published: May 2016

AbstractThe reaction of pyridoxal (I) with α‐amino acids such as (II) in the presence of N‐phenylmaleimide (III) gives rise to two series of cycloadducts.
ChemInform Abstract: Photoarylmethylation of 1,4‐Dicyanonaphthalene by Use of Group 14 Organometallic Compounds.
Authors: MIZUNO K. , TERASAKA K. , YASUEDA M. , OTSUJI Y. 
Published: May 2016

AbstractIrradiation of 1,4‐dicyanonaphthalene (I) and the benzylic silanes, germanes, or stannanes (II) in the presence of sodium methoxide gives the 4‐benzyl‐1‐cyanonaphthalenes (III), together with the 3‐benzylated analogues (IV).
ChemInform Abstract: A New Method for the Synthesis of Cyclopropane with Three Electron‐Withdrawing Groups.
Authors: CHEN C. , HUANG Y.‐Z. , SHEN Y. 
Published: May 2016

AbstractThe olefins (I) react with the dibromomalonic acid derivatives (II) in the presence of tributylstibine (III) to give the cyclopropanes (IV).
ChemInform Abstract: Deconjugation‐Alkylation of Ethyl 3‐(Trimethylstannyl)‐2‐alkenoates. Stereocontrolled Synthesis of Ethyl 2‐Alkylidene‐3‐methylenecyclobutanecarboxylates.
Authors: PIERS E. , LU Y.‐F. 
Published: May 2016

AbstractThe α,β‐acetylenic carboxylates (I) react with the stannylcuprates (II), (VII), or (IX) to form the E‐stannylacrylates (III) or the Z‐isomers (VIII).
ChemInform Abstract: A Short and Efficient Synthesis of (3S,4S)‐4‐((tert‐Butyloxycarbonyl)amino)‐5‐cyclohexyl‐3‐hydroxypentanoic Acid Ethyl Ester.
Authors: SCHUDA P. F. , GREENLEE W. J. , CHAKRAVARTY P. K. , ESKOLA P. 
Published: May 2016

AbstractThe phenylalanine (I) is hydrogenated and then N‐protected to yield the cyclohexylalanine derivative (IV) which is coupled with the Mg enolate of the malonic acid half ester (V), producing the β‐keto ester (VI).
ChemInform Abstract: A New Synthetic Method of (2.2)Cyclophanes.
Authors: TAKEMURA H. , SHINMYOZU T. , INAZU T. 
Published: May 2016

AbstractThe macrocyclic diamines (I) are nitrosated to form the bis‐N‐nitrosodiamines (III) which are reductively cleaved with dithionite, yielding the (2.2)cyclophanes (IV).
ChemInform Abstract: Reaction of Adducts of Phosphorus Pentachloride and Isoprene with Arsenic Trifluoride.
Authors: FRIDLAND S. V. , MIFTAKHOV M. N. 
Published: May 2016

AbstractTreatment of isoprene (I) with phosphorus pentachloride (II) gives adducts with undetermined structure which are coupled in situ with arsenic trifluoride, producing the dimethylindan (III).
ChemInform Abstract: Bromination of 1,3,5‐Trimethyl‐4‐chloropyrazole.
Authors: PEREVALOV V. P. , KARIM A. K. KH. , KHRAPOV A. V. , BARYSHNENKOVA L. I. , STEPANOV B. I. 
Published: May 2016

AbstractBromination of the trimethyl‐4‐chloropyrazole (I) with 1 mol NBS gives mainly the 5‐bromomethyl derivative (II).
ChemInform Abstract: Reaction of Isoxazoles and Isoxazolium Salts with Organometallic Reagents. Synthesis of Dihydroisoxazoles.
Authors: ALBERTOLA A. , ANTOLIN L. F. , GONZALEZ A. , LAGUNA M. A. , PULIDO F. J. 
Published: May 2016

AbstractGrignard reaction of the nitroisoxazoles (I) yields the 4,5‐dihydroisoxazoles (III), whereas alkylation of the cyanoisoxazole (VI) leads either to the 2,5‐dihydro derivative (IV) or to the acyl derivative (VII).
ChemInform Abstract: Photochemistry of Pyrimidin‐2(1H)‐ones: Intermolecular Hydrogen Abstraction by an Imino Group Nitrogen.
Authors: NISHIO T. , OMOTE Y. 
Published: May 2016

AbstractIrradiation of the pyrimidinones (I) in the presence of hydrogen donors, e.g. (II), affords the C‐C bonded 1:1 adducts (III) via intramolecular hydrogen atom abstraction by the excited imino nitrogen of (I).
ChemInform Abstract: Quaternary Phosphonium Salts in the Vinyl Phosphate Series.
Authors: GOLOLOBOV YU. G. , OGANESYAN A. S. , PETROVSKII P. V. 
Published: May 2016

AbstractReaction of the vinyl phosphate (I) with the phosphines (II) gives the phosphonium salts (III), the first representatives of phosphacholine esters.
ChemInform Abstract: Bis‐ and Tris(diazomethyl)phosphanes. New Building Blocks for the Synthesis of Phosphorus Heterocycles.
Authors: KELLER H. , REGITZ M. 
Published: May 2016

AbstractTrimethylsilyldiazomethane (I) is lithiated and then coupled with the dichlorophosphines (II) to form the bisdiazomethylphosphanes (III) which cyclize under release of nitrogen to produce the phosphorus heterocycle (IV).
ChemInform Abstract: The Synthesis, Using Hexamethyldialuminum, and Reactivity of New (1‐5‐η‐Cyclopentadienyl)methyl(nitrosyl)molybdenum Complexes. Crystal Structure of Bromo(η5‐cyclopentadienyl)methyl(nitrosyl)(triphenylphosphine)molybdenum.
Authors: ALEGRE B. , DE JESUS E. , VAZQUEZ DE MIGUEL A. , ROYO P. , MANOTTI LANFREDI A. M. , TIRIPICCHIO A. 
Published: May 2016

AbstractThe selective methylation of (I) is possible with Al2Me6 yielding the new (probably dimeric) complexes (III).
ChemInform Abstract: Synthesis and Characterization of Technetium(III) Complexes with Schiff‐Base and Phosphine Ligands. Molecular Structure of (Diethylphenylphosphine)(N‐(2‐oxidophenyl)salicylideneiminato‐NOO′)(quinolin‐8‐olato‐NO)technetium(III).
Authors: MAZZI U. , REFOSCO F. , TISATO F. , BANDOLI G. , NICOLINI M. 
Published: May 2016

AbstractThe Tc(III) complexes (III) are prepared by 1:2 molar reaction of the oxo‐Tc(V) compounds with the phosphines (II); the second phosphine molecule is converted into the corresponding phosphine oxide.
ChemInform Abstract: Synthesis, Characterization, and X‐Ray Crystal Structures of Mononuclear Copper(II) Complexes with Unsymmetrical Quadridentate Ligands Involving an Imidazole Moiety and Discrete Imidazolate‐Bridged Binuclear Copper(II) Complexes with Non‐Identical Coordination Geometries in the Binuclear Unit.
Authors: MATSUMOTO N. , AKUI T. , MURAKAMI H. , KANESAKA J. , OHYOSHI A. , OKAWA H. 
Published: May 2016

AbstractThe complex (IVa) ( P21/n, Z=4) is prepared as shown in the scheme and (IVb) (P1, Z=2) analogously using the condensation product from acetylacetone and 1,3‐propanediamine instead of (I).
ChemInform Abstract: Pendant Arm Macrocyclic Ligands. Part 6. Synthesis of Two Pentaaza Macrocyclic Ligands Containing Single Pendant Coordinating 2‐Pyridylmethyl and 1‐Pyrazolylmethyl Arms, and Characterization of Their Nickel(II), Copper(II), Cobalt(II), and Zinc(II) Complexes. Crystal Structure of (3,11‐Dibenzyl‐7‐(2′‐pyridylmethyl)‐3,7,11,17‐tetraazabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene)zinc(II) Perchlorate.
Authors: ALCOCK N. W. , BALAKRISHNAN K. P. , BERRY A. , MOORE P. , READER C. J. 
Published: May 2016

AbstractThe macrocyclic N5 ligands (Ib) and (Ic) are prepared from the N4 macrocycle (Ia) according to the scheme shown.
ChemInform Abstract: Hydridoclusters Derived by Protonation, Hydrogenation, or Photolytic Decarbonylation of the Chelating Diphosphine Compounds 1,1‐(Os3(CO)10(diphosphine)) Where Diphosphine is Ph2PCH2CH2PPh2 or Ph2PCH2CH2CH2PPh2, and Crystal Structure of (OsH2(Ph2P(CH2)3PC6H4)(CO)8)·0.5 CH2Cl2.
Authors: DEEMING A. J. , HARDCASTLE K. I. , KABIR S. E. 
Published: May 2016

AbstractThe protonation of the title clusters (I) yields the hydrides (II), whereas the reactions with H2 do not lead to the simple dihydrides as found for the corresponding 1,2 isomers.
ChemInform Abstract: Trifluoromethanesulfonato‐O Complexes of Platinum(II) and Palladium(II).
Authors: DIVER C. , LAWRANCE G. A. 
Published: May 2016

AbstractReactions of the corresponding chloro‐Pt(II) and chloro‐Pd(II) complexes containing amine, pyridine, or phosphine ligands at or above room temp. with anhydrous CF3SO3H lead to the formation of the trifluoromethanesulfonato complexes (I)‐(IV) which are characterized spectroscopically.
ChemInform Abstract: Synthesis of Two Linear Octapeptide Fragments of Cyclosporin by Stepwise and Fragment Condensation Strategies.
Authors: GALPIN I. J. , MOHAMMED A. K. A. , PATEL A. , PRIESTLEY G. 
Published: May 2016

AbstractThe octapeptide (I), which represents the linear sequence 4‐11 of cyclosporin A, is prepared by stepwise elongation starting from Mva‐O‐tBu.
ChemInform Abstract: Isolation and Structure Elucidation of Polivione, a Polyketide Cometabolite of Citromycetin in Penicillium frequentans.
Authors: DEMETRIADOU A. K. , LAUE E. D. , LEEPER F. J. , STAUNTON J. 
Published: May 2016

AbstractChemical and physical investigations show that polivione exists as a mixture of the two slowly interconverting tautomers (I) and (II).
ChemInform Abstract: The Structure of Leudrin, and the Nucleophilic Substitution of Its Primary Hydroxy Group by Bromine.
Authors: PEROLD G. W. , CARLTON L. , HOWARD A. S. , MICHAEL J. P. 
Published: May 2016

AbstractLeudrin (II), a constituent of the genera Leucadendron, Mimetes, Sorocephalus and Spatella, is identified as its crystalline dimethyl ether (I).
ChemInform Abstract: Chemistry of Biotin: Access to 2,3‐ and 5,6‐Didehydrobiotin Derivatives.
Authors: BAXTER R. L. , COUTTS A. 
Published: May 2016

AbstractStarting from D‐biotin (I) the (S)‐ and (R)‐sulfoxides (V) and (VI) are prepared.
ChemInform Abstract: Electrochemical Preparation of the Spinels: MgV2O4, ZnV2O4, and CdV2O4
Authors: CHAMBERLAND B. L. , WU J. F. 
Published: May 2016

Abstractis achieved by using the fused‐salt electrolytic method (ZnO/V2O5 and CdO/V2O5 in 50 NaF: 50 NaCl fused salts; Mg2V2O7 in 44 KCl: 56 NaCl; conditions given in a table).
ChemInform Abstract: Methylaluminum Bis(2,6‐di‐tert‐butyl‐4‐methylphenoxide) as a Protecting Group for Multifunctional Molecules: Synthetic Utility in Selective Carbonyl Reductions.
Authors: MARUOKA K. , ARAKI Y. , YAMAMOTO H. 
Published: May 2016

AbstractThe selective reduction of 14 pairs of 10 different ketones (e.g.
ChemInform Abstract: In situ Cuprate Formation via Transmetalation Between Vinylstannanes and Higher Order Cyanocuprates.
Authors: BEHLING J. R. , BABIAK K. A. , NG J. S. , CAMPBELL A. L. , MORETTI R. , KOERNER M. , LIPSHUTZ B. H. 
Published: May 2016

AbstractThe title reaction represents a novel route to higher order mixed vinyl cyanocuprates such as (III) and (VIII).
ChemInform Abstract: Synthesis of Deoxytabtoxinine‐β‐lactam.
Authors: SNIDER B. B. , JOHNSTON M. I. 
Published: May 2016

AbstractThe N‐protected vinyl‐β‐lactam (Ia) and (Ic) are subjected to hydroboration, followed by work‐up in the presence of iodide and coupling with the glycinate (IV) to produce the amino acid derivatives (Va) and (Vc).
ChemInform Abstract: Studies on 1,3,4‐Oxadiazoles. Part 7. Preparation and Antimicrobial Activity of 2‐Benzalamino‐5‐(2′‐isopropyl‐5′‐methylphenoxymethyl)‐1,3,4‐oxadiazoles.
Authors: RODA K. P. , VANSDADIA R. N. , PAREKH H. 
Published: May 2016

AbstractThe acid (I) is converted into its hydrazide (III) which is cyclized with cyanogen bromide (IV) to form the oxadiazole (V).
ChemInform Abstract: Indoles. Part 5. 4,5‐Dihydro‐1‐methylimino‐3H‐pyrano(3,4‐b)indoles from 4,9‐Dihydropyrano(3,4‐b)indol‐1(3H)‐ones.
Authors: LEHMANN J. , POHL U. 
Published: May 2016

AbstractThe indolo‐fused lactones (I) are cleaved with methylamine (II) to give the hydroxyethylindolecarboxylic amides (III) which are cyclized with SOCl2, yielding the iminium salts (IV).
ChemInform Abstract: Synthesis and Photochromism of Indolinespirochromenes Containing Fused Fragments in the Indoline Part of the Molecule.
Authors: MANAKOVA I. V. , GAL'BERSHTAM M. A. , BOBYLEVA G. K. , PRZHIYALGOVSKAYA N. M. , KURKOVSKAYA L. N. 
Published: May 2016

AbstractStarting with 2‐aminofluorene (I), the spirocyclic compounds (X) and (XI) are prepared via the hydrazine (III), the hydrazone (V), and the anellated indolium salts (VII) and (VIII).
ChemInform Abstract: Preparation and Properties of Quaternary N‐Alkylheteroammonium Salts.
Authors: IVANOV G. E. , TUROV A. V. , KORNILOV M. YU. 
Published: May 2016

AbstractReaction of xanthylium perchlorate (I) with γ‐picoline (II) or trityl chloride (IV) with pyridine (V) gives the pyridinium salts (III) and (VI) respectively.
ChemInform Abstract: Diene‐Dienophile‐Functionalized Carbene Ligands: Synthons for the Intramolecular Diels‐Alder Reaction.
Authors: DOETZ K. H. + , NOACK R. , MUELLER G. + 
Published: May 2016

AbstractThe tungsten carbene complex (I) reacts with the furfuryl nucleophiles (II) and (VI) to give the substitution products (III) and (IV) or the adducts (VII).