bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthesis of Fluorine Analogues of Vitamin E. Part 2. Synthesis of 2‐(3‐Chloropropyl)‐2,5,7,8‐tetramethyl‐6‐chromanol and Its Application for Stereocontrolled Wittig Reaction with Trifluoromethyl Ketones.
Authors: KOYAMA M. , TAMURA M. , ANDO A. , NAGAI T. , MIKI T. , KUMADAKI I. 
Published: May 2016

AbstractCyclocondensation of 6‐chloro‐3‐methyl‐2‐hexen‐1‐ol (II) with trimethylhydroquinone (I) in the presence of ZnCl2 yields the 6‐chromanol (III) which is methoxymethylated, forming (V).
ChemInform Abstract: A Convenient Synthesis of 3,4′‐Bipyridine.
Authors: SHIAO M.‐J. , SHIEH P. , LAI J.‐S. 
Published: May 2016

AbstractThe known method of preparing the title compound (III) by coupling the pyridinium salt (I) with the bromopyridine (II) and subsequent oxidation with air, proves to produce only moderate yields.
ChemInform Abstract: Pyrimidines. Part 61. Ring Transformation of Pyrimidines to Pyridines. Synthesis of 4‐Alkylaminopyridin‐2‐ones by Alkaline Hydrolysis of 6‐(2‐Dimethylaminovinyl)uracils.
Authors: HIROTA K. , ABE Y. , ASAO T. , ENDA S. , KITADE Y. , MAKI Y. 
Published: May 2016

AbstractThe uracils (I) are converted to their dimethylaminovinyl derivatives (III) which undergo recyclization reaction during alkaline hydrolysis to form the pyridinones (IV) as the main products.
ChemInform Abstract: The Reactions of Triphenylphosphine and Triphenylarsine with Chloramine‐T, Sodium N‐Chlorotoluene‐p‐sulfonamide: Crystal and Molecular Structure of Triphenylphosphine Oxide‐Toluene‐p‐sulfonamide (2/3).
Authors: FERGUSON G. , GLIDEWELL C. 
Published: May 2016

AbstractTwo compounds prepared according to Mann et al. (1922‐1937) do not have the structure and molecular formula once suggested.
ChemInform Abstract: 2‐Substituted 4‐Hydroxymethyltellurophenes from Acetylenic Epichlorohydrins and Sodium Telluride.
Authors: DISCORDIA R. P. , DITTMER D. C. 
Published: May 2016

AbstractThe alkynyl(chloromethyl)oxiranes (I) react with sodium telluride generated in situ to give the tellurophenes (III), together with the hydroxyenynes (IV).
ChemInform Abstract: Exogenous Bridging and Nonbridging in Copper(II) Complexes of a Binucleating 2,6‐Bis((N‐methylpiperazino)methyl)‐4‐chlorophenolate Ligand. Crystal Structures and Magnetic Properties of Bis(μ‐acetato), Dinitrito, and Bis(azido) Complexes. Possible Relevance to the Type 3 Depleted Laccase Active Site.
Authors: BERTONCELLO K. , FALLON G. D. , HODGKIN J. H. , MURRAY K. S. 
Published: May 2016

AbstractThe complex (VII), prepared as described previously, reacts with pyrazole in MeOH to give an analogous pyrazolato‐bridged complex (48% yield).
ChemInform Abstract: Synthesis of Cyclometalated Naphthylpalladium Complexes via Transmetalation Reactions of Naphthylmercury with Palladium Species. Crystal Structure Determination of ((Pd(mxn)(O2CMe))2).
Authors: WEHMAN E. , VAN KOTEN G. , JASTRZEBSKI J. T. B. H. , OSSOR H. , PFEFFER M. 
Published: May 2016

AbstractThe complexes (IV) are obtained from the reaction of (I) with PdCl2(SEt2)2 or PdCl2(PPh3)2.
ChemInform Abstract: Antifertility Agents: A Synthetic Entry to Yuehchukene Analogues. Stereoselective Synthesis of 7,7‐Bis‐nor‐yuehchukene via 9‐Methyl‐6‐oxo‐6aβ‐7,8,10aβ‐tetrahydroindeno(2,1‐b)indole.
Authors: CHENG K.‐F. , CHAN T.‐T. , LAI T.‐F. , KONG Y.‐C. 
Published: May 2016

AbstractThe alcohol (I), available from indole‐3‐carbaldehyde, is transformed to the tetracycle (IV) which represents the basic structure of the potent antifertility agent yuehchukene.
ChemInform Abstract: LiSrN ‐ A Three‐Dimensional Structural Arrangement of Corner‐ and Edge‐Sharing Rhombohedral Bipyramids, NLi2/2Sr4/4.
Authors: CORDIER G. , GUDAT A. , KNIEP R. , RABENAU A. 
Published: May 2016

AbstractSingle crystals of the title compound are prepared as shown in the scheme.
ChemInform Abstract: Preparation of the LiNbO2 and NaNbO2 Layer Oxides by Chemical and Electrochemical Ways. Elaboration of the Corresponding Solid Solutions.
Authors: CHANG S.‐H. , PARK H.‐H. , MAAZAZ A. , DELMAS C. 
Published: May 2016

AbstractThe title compounds containing Nb in an unusual trigonal‐prismatic surrounding are obtained by novel preparation methods.
ChemInform Abstract: Synthesis of Uvarovite Garnet.
Authors: CARDA J. , MONROS G. , ESCRIBANO P. , ALARCON J. 
Published: May 2016

AbstractUvarovite (Ca3Cr2Si3O12), a garnet with interesting optical properties, is synthesized using the ceramic method (from CaCO3, Cr2O3, and Quartz) and by means of the preparation of gels from colloidal silica or (EtO)4Si and inorganic soluble salts (CaCl2, CrCl3·6 H2O, Ca(NO3)2·4 H2O, Cr(NO3)3·9 H2O).
ChemInform Abstract: Electron Transfer Induced Photoisomerization, Dimerization, and Oxygenation of trans‐ and cis‐Anethole. The Role of Monomer and Dimer Cation Radicals.
Authors: LEWIS F. D. , KOJIMA M. 
Published: May 2016

AbstractIrradiation of trans‐anethole (I) in the presence of electron acceptors such as 1,4‐dicyanobenzene (DCNB) and in some cases with the cosensitizer phenanthrene (PHE), and of oxygen gives the isomer (II), the dimers (III) and (IV) (and the aldehyde (V)).
ChemInform Abstract: One‐Pot Conversion of Phenols to Arenes.
Authors: CHEN Q.‐Y. , HE Y.‐B. 
Published: May 2016

AbstractThe phenols (Ia) ‐ (Ie) are reduced with triethylammonium formate in the presence of a Pd‐catalyst and fluoroalkanesulfonyl fluorides, giving the arenes (II).
ChemInform Abstract: Outer‐Sphere Electron Transfer Between (NiII(cyclam))2+ and Copper(III) Imine‐Oxime Complexes.
Authors: HUSSEIN A. , SULFAB Y. , NASRELDIN M. 
Published: May 2016

AbstractKinetic studies of the oxidation of (I) by the Cu(III) complexes (II) are reported.
ChemInform Abstract: ortho‐Hydroxylation of Aromatic Aldehydes: A Short Synthesis of 2‐Hydroxypyrene‐1‐carbaldehyde.
Authors: EINHORN J. , LUCHE J.‐L. , DEMERSEMAN P. 
Published: May 2016

AbstractCoupling of N,N,N'‐trimethylethylenediamine (II) with the aromatic aldehydes (I) in the presence of organolithium compounds yields the intermediate α‐amino alkoxides (IV) which are oxidized via the corresponding boronic esters, forming the o‐hydroxy aldehydes (V).
ChemInform Abstract: Highly Regio‐ and Stereoselective Ring‐Opening Reaction of γ‐Alkenyl‐γ‐butyrolactones with Allylsilanes in the Presence of Trimethyloxonium Salt Leading to Methyl 4,8‐Alkadienoates.
Authors: KAWASHIMA M. , FUJISAWA T. 
Published: May 2016

AbstractThe reaction of the title lactones (I) with the allylsilanes (II) or (V) in the presence of the trimethyloxonium salt (III) proceeds regioand stereospecifically with an allylic rearrangement of the substrate to afford the (E)‐esters (IV) or (VI).
ChemInform Abstract: The Series on Polarized Ketene S,S‐, S,N‐, and N,N‐Acetals. Part 73. Cycloaddition of Aroyl/Acylketene S,N‐Acetals with Tosyl Azide: Synthesis of Novel 4‐Aroyl/Acyl‐5‐amino‐1H‐1,2,3‐triazoles and 3,4‐Annulated 1,2,3‐Triazoles.
Authors: CHAKRASALI R. T. , ILA H. , JUNJAPPA H. 
Published: May 2016

AbstractThe 5‐tosylamino‐1,2,3‐triazoles (III) are obtained by cycloaddition reaction of the ketene S,N‐acetals (II) with the azide (I).
ChemInform Abstract: Synthesis of 1,2,3‐Triazolines and 8‐Azapurines Bearing Ring‐Opened Sugar.
Authors: YOKOYAMA M. , WATANABE S. , SEKI T. 
Published: May 2016

AbstractChloroalkylation of the alcohols (I) followed by displacement of chlorine for azide yields the azides (V) which react with cyanoacetamide (VI) in the presence of a base, forming the triazoline derivatives (VII).
ChemInform Abstract: Zinc(II), Cadmium(II), and Mercury(II) Halide Coordination Compounds with 1,8‐Bis(2‐pyridyl)‐3,6‐dithiaoctane. The Crystal and Molecular Structure of Hg2(C16H20N2S2)Br4.
Authors: CASTINEIRAS A. , DIAZ G. , FLORENCIO F. , GARCIA‐BLANCO S. , MARTINEZ‐CARRERA S. 
Published: May 2016

AbstractThe reaction of the ligand with equimolar amounts of the metal halides in EtOH yields the complexes (I) or (II).
ChemInform Abstract: Carbonylation Chemistry of the Tantalum Silyl (η5‐C5Me5)Cl3TaSiMe3. Synthesis, Characterization, and Reaction Chemistry of (η5‐C5Me5)Cl3Ta(η2‐COSiMe3) and Derivatives.
Authors: ARNOLD J. , TILLEY T. D. , RHEINGOLD A. L. , GEIB S. J. , ARIF A. M. 
Published: May 2016

AbstractThe Ta compound (I) is converted to the thermally unstable η2‐silaacyl complex (III), whose electrophilic behavior is demonstrated in its reactions with Lewis bases such as pyridines or phosphines leading to (V) or (VII), which are labile in solution.
ChemInform Abstract: Magnetic and Spectroscopic Characterization of the High‐Spin (6A1) ⇌ Low‐Spin (2T2) Transition in an Iron(III) Complex of Pyridoxal Thiosemicarbazone.
Authors: MOHAN M. , MADHURANATH P. H. , KUMAR A. , KUMAR M. , JHA N. K. 
Published: May 2016

AbstractThe new discontinuous spin‐cross‐over title complex (I) is obtained by reaction of the ligand and FeCl3 in EtOH under reflux, if the reaction is carried out in water (I) as a dihydrate in low‐spin form is isolated (yields not given).
ChemInform Abstract: Higher‐Carbon Sugars. Part 12. The Synthesis of New Octitols from D‐Glucose and D‐Mannose via the Osmylation of Unsaturated Precursors.
Authors: BARNES J. C. , BRIMACOMBE J. S. , KABIR A. K. M. S. , WEAKLEY T. J. R. 
Published: May 2016

AbstractCatalytic osmylation of the octenopyranosides (I) yields mixtures of the β‐L‐threo‐ and α‐D‐threo‐octopyranosides (II) and (III), the main components (IIa) and (IIb) of which are isolated as their acetates (IV) and (VII) (X‐ray analysis: both space group P212121, Z=4).
ChemInform Abstract: Direct Writing of Copper Film Patterns by Laser‐Induced Decomposition of Copper Acetate.
Authors: HARISH C. M. , KUMAR V. , PRABHAKAR A. 
Published: May 2016

AbstractIt is demonstrated that Cu deposition on alumina substrates (both single line and large area deposition is possible) via decomposition of (AcO)2Cu by a Nd: YAG laser, known for its reliability and low costs, offers an attractive and economical alternative for the fabrication of thin film microcircuits.
ChemInform Abstract: LaPt2Ge2, a Monoclinic Variant of the Tetragonal CaBe2Ge2‐Type Structure.
Authors: VENTURINI G. , MALAMAN B. , ROQUES B. 
Published: May 2016

AbstractThe germanides MPt2Ge2 (M: Ca, Y, La‐Dy) are prepared by annealing stoichiometric mixtures of the elements (1273 K, 5 d, argon atmosphere).
ChemInform Abstract: Synthesis of Perfluoro Ethers by Liquid Phase Fluorination.
Authors: MODENA S. , CALINI P. , GREGORIO G. , MOGGI G. 
Published: May 2016

AbstractLiquid phase fluorination of the ethers (I), (III), and (V) with F2 diluted with N2 yields the corresponding perfluorinated products (II), (IV), and (VI) as outlined in the reaction scheme.
ChemInform Abstract: Studies on Organic Fluorine Compounds. Part 53. Preparation of Functionalized Trifluoromethylated Compounds Using 1‐Phenylsulfonyl‐3,3,3‐trifluoropropene.
Authors: TAGUCHI T. , TOMIZAWA G. , KAWARA A. , NAKAJIMA M. , KOBAYASHI Y. 
Published: May 2016

AbstractThe sulfone (I) reacts with the ketones or esters (II) to give the addition products (III).
ChemInform Abstract: Vanillin as Starting Material for the Synthesis of Isomeric Phthalides.
Authors: COSTA P. R. R. , LOPES C. C. , LOPES R. S. C. , MARINHO M. F. G. , CASTRO R. N. 
Published: May 2016

AbstractThe dimethoxybenzaldehyde dimethyl acetal (I), derived from vanillin, is selectively lithiated in 2‐position and then cyclized with the aldehydes (II), producing the methoxydihydrobenzoisofurans (III).
ChemInform Abstract: Stereochemically Controlled Synthesis of Spirocyclic Lactones and Ethers from N‐Methyl‐4‐piperidone and 3‐Quinuclidinone by Phenylthio Migration.
Authors: COLDHAM I. , COLLINGTON E. W. , HALLETT P. , WARREN S. 
Published: May 2016

AbstractThe N‐methyl‐4‐phenylthiopiperidone‐4‐carbaldehyde (IV) is coupled with the propionate (V) to produce the β‐hydroxy‐γ‐phenylthio ester (VI) which undergoes acid‐induced ring closure, forming the spirocyclic lactone (VII).
ChemInform Abstract: Reactions of 5‐Azido‐2‐furaldehyde with 2‐Substituted Anilines.
Authors: PAVAZANEC F. , KOVAC J. , HESEK D. 
Published: May 2016

AbstractReaction of 5‐azido‐2‐furaldehyde (I) with 2‐aminothiophenol (II) leads to the formation of 5‐amino‐2‐furaldehyde (III) and the disulfide (IV).
ChemInform Abstract: Halogenation of Benzyl‐ and (Heteroaromatic methyl)cobaloximes: Direct Competition Between Ring Halogenation and Cobalt‐Carbon Bond Cleavage.
Authors: GUPTA B. D. , KUMAR M. , ROY S. 
Published: May 2016

AbstractThe acetamidobenzyl‐cobaloxime (I) reacts with 1 equiv. Br2 to give (II) and (IV) (ratio 44:56) and with 2 equiv. Br2 to give (II)‐(IV).
ChemInform Abstract: Synthesis and NMR Characterization of Cationic Rhodium(I) Complexes Containing Phosphorus‐Sulfur Bidentate Ligands.
Authors: BONUZZI C. , BRESSAN M. , MORANDINI F. , MORVILLO A. 
Published: May 2016

AbstractThe reaction of (I) with bidentate ligands Ph2P‐(CH2)n‐SR in CH2Cl2 (following a known procedure) gives the complexes (II) or (III) depending on the stoichiometric ratio (yields 70‐90%).
ChemInform Abstract: Synthesis of 3,3‐Difluoro‐2‐azetidinones and 2,3‐Dideoxy 2,2‐Difluoro 3‐Amino Sugars Through the Reformatskii Reaction of Difluoroacetate with Imine.
Authors: TAGUCHI T. , KITAGAWA O. , SUDA Y. , OHKAWA S. , HASHIMOTO A. , IITAKA Y. , KOBAYASHI Y. 
Published: May 2016

AbstractThe imines (I) are subjected to Reformatskii reaction with the organozinc compounds, derived from ethyl bromodifluoroacetate (II) or its iodo analogue (IV), forming the difluoroazetidinones (III).
ChemInform Abstract: Polycyclic Aromatic Alkaloids. Part 1. Synthesis of Cleistopholine and Sampangine.
Authors: BRACHER F. 
Published: May 2016

AbstractCleistopholine (III), an alkaloid from Cleistopholis patens, is prepared in a one‐pot synthesis as shown thus proving that dimethylhydrazones of type (II) can be used as azadienes.
ChemInform Abstract: Structure and Optical Properties of CdS Superclusters in Zeolite Host.
Authors: HERRON N. , WANG Y. , EDDY M. M. , STUCKY G. D. , COX D. E. , MOLLER K. , BEIN T. 
Published: May 2016

Abstractare studied by XRD, EXAFS analysis, and optical absorption spectroscopy.
ChemInform Abstract: The Crystal Structure and Ionic Conductivity Properties of K2ZnGe2O6.
Authors: GRINS J. , WERNER P.‐E. 
Published: May 2016

AbstractThe title compound is prepared by solid‐state reaction of K2CO3, ZnO, and GeO2 at 1025 K. K2ZnGe2O6 crystallizes in the space group C2221 with Z=4.
ChemInform Abstract: Regioselective Carbon‐Oxygen Bond Cleavage Reactions of Aromatic Ethers and Esters with Potassium Metal/18‐Crown‐6/THF as the Electron‐Transfer Reagent.
Authors: FISH R. H. , DUPON J. W. 
Published: May 2016

AbstractTreatment of the aromatic esters (I) and (II) or the phenyl ethers (III) and (IV) with potassium metal/18‐crown‐6 in tetrahydrofuran results in cleavage of the carbonyl‐oxygen bond or benzyl‐oxygen bond.
ChemInform Abstract: Deamination Reactions. Part 51. Decomposition of Bicyclo(3.1.0)hexane‐exo‐6‐diazonium Ions.
Authors: KIRMSE W. , HELLWIG G. 
Published: May 2016

AbstractThe diazonium ion is generated either from the parent amine/HNO2 under different conditions, in MeOH from its nitrosourea (Ia) by Cu(II)‐induced cleavage or thermolytically from its nitrosoamide (Ib).
ChemInform Abstract: Nucleophilic Substitutions with Bischloronitroso Compounds. Part 4. Sulfonylaminooximes as Extracting Agents for Copper(II).
Authors: BEGER J. , NEUMANN R. , GLOE K. , MUEHL P. + 
Published: May 2016

AbstractNew sulfonylaminooximes such as (III) (or the analogues (V)) are synthesized in accordance with the scheme.
ChemInform Abstract: Cycloaddition Reactions of 3‐Methyloxazolium‐5‐olates to 4‐Arylidene‐5(4H)‐isoxazolones.
Authors: CLERICI F. , ERBA E. , MORNATTI P. , TRIMARCO P. 
Published: May 2016

AbstractThe 1,3‐dipolar cycloaddition between the oxazolium‐5‐olates (I) and the 4‐arylidenisoxazolones (II) affords unstable adducts, which eliminate CO2 to yield 2‐oxa‐3,7‐diazaspiro(4,4)nonanes.
ChemInform Abstract: Conversion of 3,4‐Dihydro‐2H‐pyrrole 1‐Oxide to 2H‐Pyrrole Using Chlorosulfonyl Isocyanate.
Authors: JOSEPH S. P. , DHAR D. N. 
Published: May 2016

AbstractThe pyrrole 1‐oxides (I) mentioned in the title are treated with chlorosulfonyl isocyanate to form the 2H‐pyrroles (II).
ChemInform Abstract: Regiospecific Preparation of 2‐Oxazolines Promoted by Silicon Tetrafluoride.
Authors: SHIMIZU M. , YOSHIOKA H. 
Published: May 2016

AbstractVarious epoxides (I) undergo addition reaction with nitriles such as acetonitrile (II) under the atmosphere of silicon tetrafluoride to give the 4‐substituted 2‐oxazolines (III).
ChemInform Abstract: Synthesis of 2‐Aryl‐1H‐s‐triazolo(1,5‐a)benzimidazoles.
Authors: RAO P. J. , REDDY K. K. 
Published: May 2016

AbstractThe 2‐aminobenzimidazoles (I) are N‐acylated with the aroyl chlorides (II) to give the amides (III).
ChemInform Abstract: Phosphorus Pentoxide in Organic Synthesis. Part 38. Synthesis of N‐Aryl‐7H‐pyrrolo(2,3‐d)pyrimidin‐4‐amines and 7‐Aryl‐7H‐pyrrolo(2,3‐d)pyrimidin‐4‐amines from 3,7‐Dihydro‐2,5‐dimethyl‐4H‐pyrrolo(2,3‐d)pyrimidin‐4‐one.
Authors: JOERGENSEN A. , FINLANDER P. , PEDERSEN E. B. 
Published: May 2016

AbstractThe reaction of the pyrrolopyrimidinone (I) with the anilines (II) under the conditions shown affords after 4 h the title compounds (III) together with their rearrangement products (IV), hitherto unknown substances of potential biological interest.
ChemInform Abstract: Synthesis and Reactions of 2,3‐Dihydro‐5‐aryl‐5H,6H‐thiazolo(3,2‐b)‐2,4‐diazafluorene‐3,6‐diones of Potential Biological Activities.
Authors: ALI M. I. , EL‐FOTOOH A. , HAMMAN G. , MOHAMED S. F. 
Published: May 2016

AbstractThe benzylideneindandione (I) reacts with the ureas (II) to form the tricyclic heterocycles (III).
ChemInform Abstract: Reaction of 1,3,2‐Oxazaborinanes with Aldehydes.
Authors: KALYUSKII A. R. , KUZNETSOV V. V. , GREN' A. I. 
Published: May 2016

AbstractThe 1,3,2‐oxazaborinanes (I) react with the aliphatic aldehydes (II) to give the tetrahydro‐1,3‐oxazines (III).
ChemInform Abstract: Gas‐Phase Reactions. Part 70. Methylboron Oxide, CH3‐BO.
Authors: BOCK H. , CEDERBAUM L. S. , VON NIESSEN W. , PAETZOLD P. , ROSMUS P. , SOLOUKI B. 
Published: May 2016

AbstractBy pyrolysis of (I) at 1100 K under CO and CO2 elimination the title compound (II) is generated as shown by the He(I)‐PE spectrum.
ChemInform Abstract: Acetylenic Selenides and Tellurides from 1‐Bromo‐2‐phenylethyne.
Authors: DABDOUB M. J. , COMASSETO J. V. , BRAGA A. L. 
Published: May 2016

AbstractThe lithium selenides (Ia) ‐ (Ic) and tellurides (Id) and (Ie), which are generated by insertion of the chalcogenes into the corresponding organolithium compounds, are coupled with the 1‐bromo‐2‐phenylacetylene (II) in tetrahydrofuran, producing the phenylethynyl selenides and tellurides (III).
ChemInform Abstract: Structural Features in Electron‐Deficient (η‐Pentamethylcyclopentadienyl)titanium‐Diene Complexes and Their Catalysis in the Selective Oligomerization of Conjugated Dienes.
Authors: YAMAMOTO H. , YASUDA H. , TATSUMI K. , LEE K. , NAKAMURA A. , CHEN J. , KAI Y. , KASAI N. 
Published: May 2016

AbstractA series of Ti‐diene complexes of the type (III) and (VI) are synthesized by the stoichiometric reaction of the Ti trihalides (I) with the different substituted, polymeric (2‐butene‐1,4‐diyl)‐Mg derivatives (II) and (V), or by reaction of (I) with RMgX (R: iPr, tBu, Et; X: Cl, Br, I) in the presence of a conjugated diene e.g. (IV).
ChemInform Abstract: Synthetic Approaches to the Chiral, Pyramidal, Transition‐Metal Lewis Acid ((η5‐C5H5)Re(NO)(PPh3))+X‐. Generation, Characterization, and Reactions of a Dichloromethane Adduct.
Authors: FERNANDEZ J. M. , GLADYSZ J. A. 
Published: May 2016

AbstractThe reaction of the methyl‐Re complex (I) with HBF4·OEt2 or HPF6·OEt2 gives the reactive intermediates (III) that are functional equivalents of the chiral, pyramidal, 16‐valence‐electron, transition‐metal title Lewis acid.
ChemInform Abstract: Ethynologues of Triphenylmethane Dyes. Part 5. Diphenylmethane and Triphenylmethane Dye Ethynovinylogues with Absorption Bands in the Near‐Infrared.
Authors: AKIYAMA S. , NAKATSUJI S. , NAKASHIMA K. , YAMASAKI S. 
Published: May 2016

AbstractThe benzylidene ketones (III), prepared from p‐dimethylaminobenzaldehyde (I) and the ketones (II), undergo condensation reaction with the phenylacetylides (IV), forming the alcohols (V) which are converted to the ethynyl vinyl carbenium salts (VI) upon treatment with perchloric acid.
ChemInform Abstract: Oxygen Reduction on Platinum in Borate‐Buffered Saline Solutions.
Authors: KASKA S. M. , SARANGAPANI S. , GINER J. 
Published: May 2016

AbstractFrom RRDE and cyclic voltammetric studies the following conclusions concerning Cl‐ anion adsorption on Pt and its influence on oxygen reduction kinetics can be reached: Cl‐ adsorption on Pt is weaker in neutral and alkaline solutions than in acid.
ChemInform Abstract: Intramolecular Diels‐Alder Reactions of Vinylsulfonic Acid Esters.
Authors: BOVENSCHULTE E. , METZ P. , HENKEL G. 
Published: May 2016

AbstractThe hydroxyalkylfurans (III), which are obtained from the compounds (I) and (II) by a known procedure, are esterified with the sulfonyl chloride (IV); the esters (V) formed undergo even at room temp. a highly diastereoselective Diels‐Alder reaction to yield the sultones (VI).
ChemInform Abstract: Carbonium Ion Rearrangements Controlled by the Presence of a Silyl Group.
Authors: FLEMING I. , PATEL S. K. , URCH C. J. 
Published: May 2016

AbstractTertiary γ‐silylated alcohols such as (I) rearrange in protic acid with 1,2‐shift of R1 (= hydride, phenyl or alkyl) and loss of the silyl group to give the alkenes (II).
ChemInform Abstract: erythro‐Directive Reduction of α‐Substituted Alkanones by Means of Hydrosilanes in Acidic Media.
Authors: FUJITA M. , HIYAMA T. 
Published: May 2016

AbstractReduction of α‐amino and α‐oxy ketones and of β‐keto acid derivatives, e.g. the compounds (I), with dimethylphenylsilane in TFA proceeds stereoselectively to give the corresponding erythro‐alcohols, e.g. (II).
ChemInform Abstract: Carbocycles from Carbohydrates: A Simple Route to an Enantiomerically Pure Prostaglandin Intermediate.
Authors: BELANGER P. , PRASIT P. 
Published: May 2016

AbstractThe dihydroxy(hydroxymethyl)lactone (I) is converted to the methylenelactone (V) which is reductively rearranged and then dehydrated, yielding the cyclopentenone (VII).
ChemInform Abstract: Synthesis and Properties of Amidoalkenes Involving Azidoalkenoates and 1‐Phenylalkan‐1‐ols.
Authors: LIE KEN JIE M. S. F. , LAM W. L. K. , LAO H. B. 
Published: May 2016

AbstractIn order to study the physical and biological properties of natural peptido‐lipids, the synthesis of long‐chain alkenoic acids containing an amide group attached to a specific carbon atom is required.
ChemInform Abstract: Metal‐Promoted Cyclization. Part 21. Palladium‐Catalyzed Procedures for (3 + 2)Annulation via Intramolecular Alkenylpalladation and Arylpalladation.
Authors: ZHANG Y. , O'CONNOR B. , NEGISHI E. 
Published: May 2016

AbstractLithiation of the cyclohexene derivatives (II), (V), and (XI) with LDA forms the corresponding enolates which react with the electrophiles (I) or (VIII) to give the adducts (III), (VI), (IX), and (XII).
ChemInform Abstract: Photoadditions of Ethers, Thioethers, and Amines to 9,10‐Dicyanoanthracene by Electron Transfer Pathways.
Authors: HASEGAWA E. , BRUMFIELD M. A. , MARIANO P. S. , YOON U.‐C. 
Published: May 2016

AbstractPhoto‐induced coupling of the α‐silyl ethers (II) with 9,10‐dicyanoanthracene (I) gives the adducts (III) which produce the anthrones (IV) upon dehydrocyanation and oxidation.
ChemInform Abstract: Reactions of Triethyl(1‐(N‐tert‐butylimidoyl)‐2‐pyrrolinyl)borate with Electrophiles.
Authors: ISHIKURA M. , TERASHIMA M. 
Published: May 2016

AbstractLithiation of the dihydropyrrole (I) with butyllithium (II) and subsequent addition of triethylborane (III) yield the lithium borate (IV) which is alkylated with the halides (V), producing the boranes (VI).