bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Syntheses of Trifluoromethylated Pyridinones and Pyrimidinones.
Authors: LEE L. F. , SING Y. L. 
Published: May 2016

AbstractDibenzyl ketone (I) and cyanoacetamide (IX) are coupled with trifluoroacetonitrile (II) under basic conditions to yield the aminotrifluoroethylidene derivatives (III) and (X) respectively.
ChemInform Abstract: Addition of Nucleophiles to 5‐Deazaflavins. Part 2.
Authors: DUCHSTEIN H.‐J. , FENNER H. , FRANK P. , BAUCH W. 
Published: May 2016

AbstractNucleophilic reaction of the 5‐deazaflavins (I) and the corresponding perchlorate salt (IV) with the Grignard agents (II) or sodium methoxide (V) leads to the formation of the 5‐substituted adducts (III) and (VI).
ChemInform Abstract: Oligomerization of Trimethylsilylacetylene in the Presence of Catalytic Systems Based on Halides of Group III ‐ VI Transition Metals.
Authors: MUDARISOVA R. KH. , MULLAGALIEV I. R. , KARASEVA A. V. , OL'KHOVSKAYA L. I. , MONAKOV YU. B. , TOLSTIKOV G. A. 
Published: May 2016

AbstractOligomerization of trimethylsilylacetylene (I) in the presence of triisobutylaluminum (II) gives the linear products (III) and (IV) and/or the cyclic trimer (V).
ChemInform Abstract: Phosphorus Dienic‐Like Systems.
Authors: CAMINADE A.‐M. , ROQUES C. , DUFOUR N. , COLOMBO D. , GONCE F. , MAJORAL J.‐P. 
Published: May 2016

AbstractTreatment of the chlorophosphaalkene (Ia) or the chlorophosphaimine (Ib) with the N‐silylimines (II) for only a few minutes produces the (di)aza(di)phosphadienes (III).
ChemInform Abstract: Synthesis, Characterization and X‐Ray Molecular and Crystal Structure of Tc(NS)Cl3(Me2PhP)(Me2PhPO) ‐ a First Example of Mixed Phosphine/Phosphine Oxide Coordination.
Authors: KADEN L. , LORENZ B. , KIRMSE R. , STACH J. , BEHM H. , BEURSKENS P. T. , ABRAM U. 
Published: May 2016

AbstractThe Tc(II) title compound (III) (space group P212121, Z=4) is synthesized from the nitrido‐Tc(V) complex (I) as shown and characterized by IR, EPR and mass spectroscopy as well as by X‐ray structure analysis.
ChemInform Abstract: Template Synthesis of the Macrobicyclic Ligand 1,5,8,12,15‐Pentaazabicyclo(10.5.2)nonadecane: Evidence for Imidate and Enamine Intermediates Stabilized by Copper(II).
Authors: FORTIER D. G. , MCAULEY A. 
Published: May 2016

AbstractThe pentadentate macrobicyclic title ligand (VII) is synthesized as shown.
ChemInform Abstract: Alternate Coordination Modes of (CF3)2C(OH)2: Synthesis and Structure of Five‐Coordinate Ni2+ and Cu2+ Complexes Derived from a Chelating gem‐Diol.
Authors: BRADFORD P. , HYNES R. C. , PAYNE N. C. , WILLIS C. J. 
Published: May 2016

AbstractTwo modes of coordination of hexafluoropropane‐2,2‐diol to transition‐metal ions (Ni(II), Cu(II), Mn(II), Co(III), Pd(II), Pt(II)) are found.
ChemInform Abstract: Hydroazulene Derivatives. Part 3. Enantioselective Synthesis of a Highly Functionalized Perhydroazulene.
Authors: SCHAEFER H.‐J. + , BARINGHAUS K.‐H. 
Published: May 2016

AbstractThe synthesis of the enantiomerically pure perhydroazulene (X), which should provide ready access to enantiomerically pure grossheimin, is accomplished using the lactone (I) as starting material.
ChemInform Abstract: The Regiospecific p‐Deiodination of 2,4‐Diiodophenols. A New Synthesis of Aflatoxin B2.
Authors: HORNE S. , WEERATUNGA G. , RODRIGO R. 
Published: May 2016

AbstractTosylation of the phenol (I) and subsequent oxidative cyclization yield the furobenzofuran derivative (III) which is detosylated to form the phenol (IV).
ChemInform Abstract: Synthesis of 5‐epi‐7‐Deoxykalafungin and 5‐epi‐7‐O‐Methylkalafungin.
Authors: BRIMBLE M. A. , STUART S. J. 
Published: May 2016

AbstractThe syntheses of the title compounds (Va) and (Vb) are completed making use of the transformation of one tricyclic ring system into another.
ChemInform Abstract: Preparation and Crystal Structure of Nd2SeSiO4.
Authors: GRUPE M. , URLAND W. 
Published: May 2016

AbstractViolet rod‐like single crystals of the title selenosilicate, obtained by reaction of Nd, Se, and I2 (1:1:2.5) and subsequent reaction with quartz glass powder at 850 °C, belong to the orthorhombic space group Pbcm with Z=4.
ChemInform Abstract: Quaternary Magnesium Iridium Borides Mg2XIr5B2 with X: Be, Al, Si, P, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As ‐ A Substitution Variant of the Ti3Co5B2 Type of Structure.
Authors: JUNG W. , SCHIFFER J. 
Published: May 2016

AbstractThe isotypic title compounds crystallize in the tetragonal space group P4/mbm with Z=2.
ChemInform Abstract: Participation of Interfacial Hydrous Oxide Species in Some Anodic Reactions at Copper Electrodes in Base.
Authors: BURKE L. D. , RYAN T. G. 
Published: May 2016

AbstractThe anodic reactions of Cu are studied with emphasis on the behavior of Cu in basic solutions (NaOH‐based) at low potentials where a minor Cu‐adatom/Cu(I) hydrous oxide transition seems to occur.
ChemInform Abstract: Preparation and Characterization of BiTa7O19.
Authors: STEMMER W. , GRUEHN R. 
Published: May 2016

AbstractThe title compound is prepared either by solid state reaction of Bi2O3 and Ta2O5 (1:7) at 1000 °C (8 d, sealed quartz tube) or by exchange reactions in a BiCl3‐melt using different starting materials (e.g.
ChemInform Abstract: Crystal Structure and Vibration Spectra of ((n‐C4H9)4N)2(Re2F8)·2(C2H5)2O.
Authors: HENKEL G. , PETERS G. , PREETZ W. , SKOWRONEK J. 
Published: May 2016

AbstractThe title compound (V) crystallizes in the cubic space group Pn3n with Z = 6. The (Re2F8·OEt2)2‐ entity consists of an axially elongated F8‐cubane frame around the Re2 unit, which is coordinated at one side by an ether molecule.
ChemInform Abstract: Preparation, Vibrational Spectra, and Normal Coordinate Analysis of Cs2(RhCl5(H2O)) and trans‐Cs2(RhCl4Br(H2O)).
Authors: KUHR W. , PREETZ W. 
Published: May 2016

AbstractThe title compounds (III) and (VI) are slightly soluble in H2O and insoluble in organic solvents.
ChemInform Abstract: Modeling the Reduction of Nitrobenzene with (Ru3(CO)12) as a Homogeneous Catalyst. X‐Ray Structures of (Ru3H(CO)10(PhNH)) and (N(PPh3)2)(Ru3H(CO)9(PhN)).
Authors: BHADURI S. , KHWAJA H. , SAPRE N. , SHARMA K. , BASU A. , JONES P. G. , CARPENTER G. 
Published: May 2016

AbstractThe ability of Ru3(CO)12 to act as a homogeneous catalyst in the reductive carbonylation of nitrobenzene is reconfirmed.
ChemInform Abstract: Cationic Palladium(II), Platinum(II), and Rhodium(I) Complexes as Acetalization Catalysts.
Authors: GORLA F. , VENANZI L. M. 
Published: May 2016

AbstractAs demonstrated for (I) with methanol, the use of the Pd complex as a catalyst for the acetalization of a variety of aldehydes and ketones and for trans‐acetalization is described (table, 20 examples).
ChemInform Abstract: The Asymmetric Allylboration Reaction: Dependence of Rate and Enantioselectivity on the Chiral Auxiliary.
Authors: ROUSH W. R. , BANFI L. , PARK J. C. , HOONG L. K. 
Published: May 2016

AbstractTriallylborane (II) reacts with the chiral 1,2‐diol auxiliaries (I) to give the cyclic allylboronates (III) which are submitted to transallylation reaction with the cyclohexanecarboxaldehyde (IV), forming enantioselectively the homoallylic alcohol (S)‐(V).
ChemInform Abstract: Synthesis of Polycyclic Lactams via Intramolecular Dipolar Cycloadditions of Stabilized Azomethine Ylides.
Authors: MARTIN S. F. , CHEAVENS T. H. 
Published: May 2016

Abstract2‐Allyloxybenzaldehyde (I), the propenyl (VII), or the allylmethyl analogue (X) react with the aminoacetonitrile (IIa) or the aminomethylphosphonates (IIb), (IIc) to generate the azomethine ylides (III), (VIII), or (XI) which undergo intramolecular cycloaddition reaction, forming the cycloadducts (IV) ‐ (VI), (IX), or (XII).
ChemInform Abstract: Reaction of N‐(Vinylimino)phosphoranes. Part 13. Reaction of N‐((3‐Oxo‐2‐cyclohexenyl)imino)triphenylphosphorane with α‐Bromo Ketones and α,β‐Unsaturated Ketones.
Authors: NITTA M. , SOEDA H. , IINO Y. 
Published: May 2016

AbstractFor the first time, a reaction of N‐triphenylphosphorane (I) with α‐bromo ketones such as (II) and α,β‐unsaturated ketones such as (IV) is investigated.
ChemInform Abstract: A Multi‐Step Photoreaction of 5‐Formyl‐1,3‐dimethyluracil with Indole in the Solid State.
Authors: MENG J. , FU D. , GAO Z. , WANG R. , WANG H. , SAITO I. , KASATANI R. , MATSUURA T. 
Published: May 2016

AbstractMixed crystals, prepared by resolidifying the melt of a mixture of (I) and (II), are irradiated to give the product (III) (space group P21/n with Z=4) via a two‐step photoreaction.
ChemInform Abstract: The Reduction of Azides with Borohydride Supported on an Ion Exchange Resin.
Authors: KABALKA G. W. , WADGAONKAR P. P. , CHATLA N. 
Published: May 2016

AbstractAryl and benzyl azides are reduced with borohydride supported on an anionic exchange resin (Amberlite IRA‐400) in methanol to form the corresponding amines, e.g. (IIb) and (IIc).
ChemInform Abstract: Halogenation Using Quaternary Ammonium Polyhalides. Part 24. Chlorination of Acetanilides with Benzyltrimethylammonium Tetrachloroiodate.
Authors: KAJIGAESHI S. , SHINMASU Y. , FUJISAKI S. , KAKINAMI T. 
Published: May 2016

AbstractThe reactions of 11 acetanilides such as (I), (III) or (V) with calculated amounts of the title reagent give, selectively, the desired chloro‐substituted acetanilides (II), (IV) or (VI) in good yields.
ChemInform Abstract: Radical α‐Allylation of Alkyl‐Substituted α‐(Phenylseleno)cycloalkanones.
Authors: TORU T. , OKUMURA T. , UENO Y. 
Published: May 2016

AbstractPhotochemically or thermally induced reaction of the phenylselenocycloalkenones (I) with allyltributylstannane (II) produces the trans‐ and cis‐allylated cycloalkanones (III) and (IV) in a similar ratio, independently of the stereochemistry of the educts (I).
ChemInform Abstract: Enzymatic Resolution of Methyl 2‐Alkyl‐2‐arylacetates.
Authors: AHMAR M. , GIRARD C. , BLOCH R. 
Published: May 2016

AbstractEnzymatic ester hydrolysis of the racemic arylacetates (±)‐(I) gives the acids (R)‐(II) and the less reactive enantiomers (S)‐(I).
ChemInform Abstract: Preparation of (1R,2S)‐(‐)‐1‐Phenylpropane‐1,2‐diol by Fermenting Bakers′ Yeast Reduction of 1‐Phenyl‐1,2‐propanedione.
Authors: SOUSA BRENELLI E. C. , SAMENTO MORAN P. J. , RODRIGUES J. A. R. 
Published: May 2016

AbstractThe enzymatic reduction of 1‐phenyl‐1,2‐propanedione (I) with fermenting bakers' yeast is compared to other literature methods.
ChemInform Abstract: An Efficient Asymmetric Spiroannulation Process.
Authors: D'ANGELO J. , FERROUD C. , RICHE C. , CHIARONI A. 
Published: May 2016

AbstractThe keto ester (I) reacts with the chiral amine (R)‐(II) to give a mixture of diastereomers (III) which undergoes asymmetric spiroannulation, forming stereoselectively the imine (IV).
ChemInform Abstract: A New Preparation of 3‐Substituted 2‐(p‐Toluenesulfonyl) 1,3‐Dienes.
Authors: BACK T. G. , LAI E. K. Y. , MURALIDHARAN K. R. 
Published: May 2016

Abstract1,4‐Dichloro‐2‐butyne (I) is transformed into the allene (V) in a three‐step reaction sequence, i.e. by selenosulfonation, reductive elimination of chlorine, subsequent oxidation with MCPBA, and rearrangement of the selenoxide formed.
ChemInform Abstract: An Asymmetric Route to Fused Carbocyclic Systems via Diels‐Alder Reactions on Chiral α,β‐Unsaturated Bicyclic Lactams.
Authors: MEYERS A. I. , BUSACCA C. A. 
Published: May 2016

AbstractCycloaddition reaction of the unsaturated γ‐lactam (I) with the 1,3‐dienes (II) in the presence of zinc dichloride yields predominantly the tricyclic esters (III).
ChemInform Abstract: A Practical Synthesis of a (.+‐.)‐Sarkomycin Precursor.
Authors: LIU Z.‐Y. , SHI W. , ZHANG L. 
Published: May 2016

AbstractThe key step of the procedure consists in a thermal retro‐Diels‐Alder reaction of the tetracyclic hydroxymethyl compound (V), yielding the desired precursor (VII) of sarkomycin (VIII).
ChemInform Abstract: Dihydroindol‐7(6H)‐ones and 6,7‐Dihydropyrrolo(2,3‐c)azepine‐4,8(1H,5H)‐dione.
Authors: KASUM B. , PRAGER R. H. , TSOPELAS C. 
Published: May 2016

AbstractThe title compounds (V) are available from the epoxides (I) as shown.
ChemInform Abstract: Chemistry of Oxaziridines. Part 13. Synthesis, Reactions, and Properties of 3‐Substituted 1,2‐Benzisothiazole 1,1‐Dioxide Oxides.
Authors: DAVIS F. A. , TOWSON J. C. , VASHI D. B. , REDDY R. T. , MCCAULEY J. P. JUN. , HARAKAL M. E. , GOSCINIAK D. J. 
Published: May 2016

AbstractSaccharin (I) is substituted with the lithium reagents (II) and simultaneously dehydrated to give the 3‐substituted benzisothiazole dioxides (III) which are converted into the fused oxaziridines (IV) by oxidation with MCPBA.
ChemInform Abstract: (R)‐ and (S)‐4‐Methylaminomethyl‐2,3,4,9‐tetrahydrothiopyrano(2,3‐b)indole: Synthesis, Absolute Configuration, Conformation, and Analgesic Activity.
Authors: ISHIZUKA N. , SHIRO M. , MAKISUMI Y. 
Published: May 2016

AbstractThe enantiomers of the title compound (XIII) are synthesized starting from (II) which can be obtained from (S)‐malic acid.
ChemInform Abstract: Synthesis of 1,2,4‐Triazolo(3,4‐f)‐1,2,4‐triazino(4,5‐a)indoles.
Authors: HIREMATH S. P. , SEKHAR K. R. , SONAR V. N. , PUROHIT M. G. 
Published: May 2016

AbstractThe compounds (VI) are successfully synthesized from the hydrazides (I) according to the scheme.
ChemInform Abstract: Synthetic Ionophores. Part 4. Phase‐Transfer Catalysed Synthesis of Pyridine‐Containing Macrocycles and Their Ionophore Character.
Authors: SINGH H. , KUMAR S. , JAIN A. , SINGH P. 
Published: May 2016

AbstractPhase transfer catalysed reactions of pyridine derivatives such as (I) and (VII) with oligo(ethylene glycols) such as (II), (IV) or (VIII) provide macrocycles such as (III), (V) or (VI) in high yields.
ChemInform Abstract: π‐Bonding in Four‐Coordinate Aluminum Aryloxide Compounds.
Authors: HEALY M. D. , ZILLER J. W. , BARRON A. R. 
Published: May 2016

AbstractThe interaction of AlMe3 with the substituted phenols ArOH in hexane or pentane in the presence of pyridine or 3,5‐lutidine leads to the formation of the mono, bis, and tris aryloxide compounds (I) with good yields depending on the stoichiometry.
ChemInform Abstract: Face Selectivity During the Cycloaddition Reaction of Nitrile Oxides with Iron Complexed Trienes.
Authors: LE GALL T. , LELLOUCHE J. P. , TOUPET L. , BEAUCOURT J. P. 
Published: May 2016

AbstractThe iron complexed diene aldehydes (I) are converted to the corresponding complexed trienes (IV) via the silanol complexes (III).
ChemInform Abstract: Synthesis, X‐Ray Crystal Structure, and Metal Ion Extraction from a Nitrogen‐Sulfur “Pendant Arm” Encapsulated Complex of Cobalt(III).
Authors: GAHAN L. R. , DONLEVY T. M. , HAMBLEY T. W. 
Published: May 2016

AbstractThe ligand (I), prepared from 2‐aminoethanethiol hydrochloride and tetrabromopentaerythritol, reacts to give (III), isolated as the perchlorate salt, which is transformed in an encapsulation reaction into (VIa) (P1, Z=4), containing a macrobicyclic ligand.
ChemInform Abstract: Synthesis, Structure, and 2D‐NMR Studies of Novel Chiral (η3‐Allyl)palladium(II) Complexes Containing the Bidentate Ligand Sparteine.
Authors: TOGNI A. , RIHS G. , PREGOSIN P. S. , AMMANN C. 
Published: May 2016

AbstractAs part of a program on chiral transition‐metal complexes and their use in asym.
ChemInform Abstract: Total Synthesis of (.+‐.)‐Nimbidiol Dimethyl Ether and (.+‐.)‐Nimbiol Methyl Ether.
Authors: KARPHA T. K. , GHOSAL M. , MUKHERJEE D. 
Published: May 2016

AbstractRacemic nimbidiol dimethyl ether (VIII) is prepared in a stereocontrolled manner starting from the tetralone (I).
ChemInform Abstract: A Total Synthesis of Racemic and Optically Active Terrein (trans‐4,5‐Dihydroxy‐3‐((E)‐1‐propenyl)‐2‐cyclopenten‐1‐one).
Authors: KOLB H. C. , HOFFMANN H. M. R. 
Published: May 2016

AbstractThe racemic mould metabolite terrein (X) is prepared starting from 2‐furanmethanol (I) employing a novel ring contraction of the dihydropyranone (V) and a new method for cleavage of the Tmse protecting group in the base and acid sensitive dienone (IX).
ChemInform Abstract: The Total Synthesis of (.+‐.)‐cis‐ and trans‐Trikentrin A.
Authors: MACLEOD J. K. , MONAHAN L. C. 
Published: May 2016

AbstractThe key steps in the synthesis of the title compounds (XII) and (XIII) which are novel cyclopent(g)indoles isolated from a marine sponge Trikentrion flabelliforme, are an aryl radical cyclization to yield (II) and (III) and a 1,5‐electrocyclic reaction of a nitrene intermediate to give (XI).
ChemInform Abstract: High‐Resolution IR Spectrum and Structure of Dinitrogen Sulfide, N2S.
Authors: BROWN R. D. , ELMES P. S. , MCNAUGHTON D. 
Published: May 2016

AbstractN2S is generated by pyrolysis of 5‐phenyl‐1,2,3,4‐thiatriazole and the IR spectrum of its ν3 band is recorded at a resolution of 0.005 cm‐1.
ChemInform Abstract: Crystal Structure of Silica‐ZSM‐12 by the Combined Use of High‐Resolution Solid‐State MAS NMR Spectroscopy and Synchrotron X‐Ray Powder Diffraction.
Authors: FYFE C. A. , GIES H. , KOKOTAILO G. T. , MARLER B. , COX D. E. 
Published: May 2016

AbstractThe high‐silica zeolite ZSM‐12 crystallizes in space group C2/c. The zeolite host structure is built up by corner‐sharing SiO4 tetrahedra and contains one‐dimensional channels that do not intersect.
ChemInform Abstract: Influence of Long Annealings on the Ferroelectric Properties of Phases A2BX5O15 and AA′BX5O15 (X: Nb or Ta) with “Tetragonal Tungsten Bronze” Structure: Comparative Study.
Authors: THORET J. , MERCIER D. 
Published: May 2016

AbstractThe influence of long thermal treatments (750 and 910 °C, 3 months) of ABaCaTa5O15 and ABaSrTa5O15 (A: Tl, K) on their Curie temp. and dielectric properties are studied and discussed in comparison with the corresponding niobates previously studied.
ChemInform Abstract: Thermodynamic and Kinetic Study of the Electrochemical System Sn(II)/Sn in the LiCl‐KCl Eutectic Melt at 723 K.
Authors: PASQUIER P. , FERRY D. , PICARD G. 
Published: May 2016

AbstractThe results of potentiometry, cyclic voltammetry, chronoamperometry and chronopotentiometry (tungsten working electrode) show that the title system is quasi‐reversible in the LiCl‐KCl melt.
ChemInform Abstract: A Tunnel Structure Containing Bi3+ Ions in One‐Sided Coordination: Ba3BiO3Cl3.
Authors: LENZ A. , MUELLER‐BUSCHBAUM HK. + 
Published: May 2016

AbstractSingle crystals of the new title compound are obtained from a melt of Bi2O3, BaCO3, and BaCl2 (1:2:8; corundum crucible, air).
ChemInform Abstract: A Contribution About Oxometallates Containing Trigonal Planar BO3‐Polyhedra Ni2MBO5 (M: Ga, Fe, Al, Cr).
Authors: BLUHM K. , MUELLER‐BUSCHBAUM HK. + 
Published: May 2016

AbstractSingle crystals of Ni2MBO5 (M: Ga, Fe, Al) are prepared by reaction of NiO and M2O3 in a B2O3 flux at 1100‐1300 °C. The compounds crystallize in the orthorhombic space group Pbam with Z=4 and are isotypic with Ni2CrBO5.
ChemInform Abstract: Magnetic Circular Dichroism of Cyclic π‐Electron Systems. Part 29. Bicyclic Phospholium and Arsolium Cations with P‐S, As‐S, P‐N, and As‐N pπ‐Bonding.
Authors: ROYAN B. W. , BURFORD N. , WALUK J. , MICHL J. 
Published: May 2016

AbstractThe magnetic circular dichroism and absorption spectra of the cations (I)‐(III) are interpreted.
ChemInform Abstract: Synthesis, X‐Ray Structures, and Spectroscopic and Magnetic Properties of a Series of Isomeric Binuclear Molybdenum(III) Complexes of General Formula Mo2Cl6L3 (L: Thioether): Large Structural Influence of Bridging Ligands in Confacial Bioctahedral Complexes.
Authors: MOYNIHAN K. J. , GAO X. , BOORMAN P. M. , FAIT J. F. , FREEMAN G. K. W. , THORNTON P. , IRONMONGER D. J. 
Published: May 2016

AbstractStarting with MoCl3(THT)3 (THT: tetrahydrothiophene) in toluene, distinguished cooling procedures allow the separation of the isomers (I) ( P21/n, Z=4) and (II) (P1, Z=2), whose structures are compared to those of the corresponding Me2S complexes.
ChemInform Abstract: 4,5‐Dihydro‐4,5‐dihydroxyimidazoles as Products of the Reduction of 2‐Nitroimidazoles. HPLC Assay and Demonstration of Equilibrium Transfer of Glyoxal to Guanine.
Authors: PANICUCCI R. , MCCLELLAND R. A. 
Published: May 2016

AbstractThe electrochemical reduction of (I) leads in a linear reaction to the cyclic guanidinium ions (II) and (III) via the corresponding hydroxyaminoimidazole.
ChemInform Abstract: Simple Chiral Crown Ethers Complexed with Potassium tert‐Butoxide as Efficient Catalysts for Asymmetric Michael Additions.
Authors: AOKI S. , SASAKI S. , KOGA K. 
Published: May 2016

AbstractThe asymmetric Michael addition reaction of the substituted phenyl acetals (II) with methyl acrylate (III) is mediated by potassium tert‐butoxide complexed with the chiral crown ethers (I) to give the adducts (S)‐(IV).
ChemInform Abstract: Organic Synthesis Using Haloboration Reaction. Part 18. A Stereoselective Synthesis of β‐Mono‐ and β,β‐Disubstituted α,β‐Unsaturated Esters.
Authors: YAMASHINA N. , HYUGA S. , HARA S. , SUZUKI A. 
Published: May 2016

AbstractThe β‐bromovinylboronate (I) reacts with the organozinc chlorides (II) in the presence of a Pd catalyst to give the substitution products (III) which undergo methoxycarbonylation reaction, forming the carboxylic acid esters (VI).
ChemInform Abstract: The Synthesis of Nitrogen Heterocycles via the Intramolecular Khand Reaction: Formation of Tetra‐ and Hexahydrocyclopenta(c)pyrrol‐5(1H)‐ones and Hexahydro‐6H‐2‐pyrindin‐6‐ones.
Authors: BROWN S. W. , PAUSON P. L. 
Published: May 2016

AbstractThe target compounds (IV) and (VI) are obtained from the Co complexes of (III) and (V) under various conditions (photochemical, ultrasonic and thermal).
ChemInform Abstract: Lewis Acid‐Induced Regio‐ and Stereoselective Cyclization of Epoxyallylic Stannanes.
Authors: YOSHITAKE M. , YAMAMOTO M. , KOHMOTO S. , YAMADA K. 
Published: May 2016

AbstractLewis acid‐induced cyclizations of epoxyallyl stannanes such as (I) to give the carbocyclic alcohols (II)‐(IV) are studied.
ChemInform Abstract: Influence of the β‐Substitution on the Photochemistry of α,2‐Diacetoxystyrenes. Irradiation of Phenyl, Vinyl and Benzyl Derivatives.
Authors: ALVARO M. , BALDOVI V. , GARCIA H. , MIRANDA M. A. , PRIMO J. 
Published: May 2016

Abstractβ‐Substitution shows a pronounced influence on the photochemisty of α,2‐diacetoxy styrenes such as (I), (V) or (IX).
ChemInform Abstract: Substituted Dialkylaminomethylphenols in the Exchange Reaction with Carboxylic Acid Anhydrides.
Authors: NIKIFOROV G. A. , BANNIKOV G. F. , ROMERO MALDONADO I. K. A. , MALYSHEVA R. D. , ERSHOV V. V. 
Published: May 2016

AbstractThe tert‐butylbenzylamines (I) are coupled with the carboxylic anhydrides (II) to give the benzyl carboxylates (III) or (IV) depending on the molar ratio.
ChemInform Abstract: Regiospecific Intramolecular (2π + 2σ)Cycloadditions of Methylenecyclopropanes.
Authors: BAPUJI S. A. , MOTHERWELL W. B. , SHIPMAN M. 
Published: May 2016

AbstractThe homoallylic tetrahydropyranyl ethers (I) are cyclopropanated with methyl(chloro)carbene, subsequently dehydrochlorinated, and O‐deprotected to produce the hydroxyethyl(methylene)cyclopropanes (III).
ChemInform Abstract: Highly Efficient Epoxidation of Olefins with Pyridine N‐Oxides Catalyzed by Ruthenium Porphyrins.
Authors: HIGUCHI T. , OHTAKE H. , HIROBE M. 
Published: May 2016

AbstractAromatic olefins such as styrene (II) or the stilbenes (V) and (VII) react with the pyridine N‐oxides (I) to give the corresponding epoxides (IV), (VI), or (VIII) and the pyridines (III).
ChemInform Abstract: On the Multiplicity of Carbenes Conjugated with Pyrrole and Furan Moieties: Molecular Orbital Calculation and Reaction of 2‐(1‐Methyl)pyrrolylmethylene and 2‐Furylmethylene with cis‐ and trans‐Stilbenes.
Authors: SAITO K. , USHIDA T. , FUSHIHARA H. , YAMASHITA Y. , TANAKA S. , TAKAHASHI K. 
Published: May 2016

AbstractThe sodium salt of the tosylhydrazone (I) reacts with trans‐ (II) or cis‐stilbene (VII) in diglyme to produce stereospecifically the cyclopropanes (III) or (VIII) and (IX).