bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Reactions of Organic Anions. Part 163. Reactions of Nitrobenzophenones with Carbanions Containing Leaving Groups. Vicarious Nucleophilic Substitution of Hydrogen versus Darzens or Wittig‐Horner Reactions.
Authors: MAKOSZA M. , BARAN J. , DZIEWONSKA‐BARAN D. , GOLINSKI J. 
Published: May 2016

AbstractCarbanions containing leaving groups at the carbanion center such as those derived from (II) react with nitrobenzophenones such as (I), (IV) or (VI) by two pathways.
ChemInform Abstract: Synthesis of 2,2‐Dialkyl‐1‐aminocyclopropanecarboxylic Acids from α‐Chloroimines.
Authors: DE KIMPE N. , SULMON P. , BRUNET P. , LAMBEIN F. , SCHAMP N. 
Published: May 2016

AbstractThe α‐chloroimines (I) react with potassium cyanide (II) to give the aminocyclopropanecarbonitriles (III), together with minor amounts of the aziridines (IV).
ChemInform Abstract: Palladium‐Catalyzed Allylic Acetoxylation: An Exploratory Study of the Influence of Added Acids.
Authors: AKERMARK B. , HANSSON S. , REIN T. , VAGBERG J. , HEUMANN A. , BAECKVALL J.‐E. + 
Published: May 2016

AbstractThe acetoxylation of the cycloalkenes (I) with palladium diacetate (II) is performed in the presence of acids, e.g. methanesulfonic acid or trifluoroacetic acid.
ChemInform Abstract: Formation of Ring‐Retaining Products from the OH Radical‐Initiated Reactions of Benzene and Toluene.
Authors: ATKINSON R. , ASCHMANN S. M. , AREY J. , CARTER W. P. L. 
Published: May 2016

AbstractThe formation yields of phenol and nitrobenzene (from benzene) and of the products (III)‐(VII) are determined by means of gas chromatography with flame ionization detection.
ChemInform Abstract: N‐(4‐Cyanophenyl)‐N′‐carboxymethyl Sulfuric Acid Diamide, a Sweet Tasting Compound.
Authors: UNTERHALT B. , HANEWACKER G.‐A. 
Published: May 2016

AbstractReaction of the amino acid ester hydrochlorides (I) with sulfuryl chloride (II) yields the chlorosulfonamides (III) which are coupled with the anilines (IV) and subsequently hydrolyzed to produce the sulfuric acid diamides (V).
ChemInform Abstract: 1,2‐Secopyrethroids: Synthesis of (.+‐.) α‐(RS)‐Cyano‐3‐phenoxybenzyl‐4‐methyl‐3‐phenyl/p‐substituted‐phenylpentan# oates.
Authors: KHER S. M. , KULKARNI G. H. 
Published: May 2016

AbstractThe desired esters (VI) can be synthesized in a simple and elegant manner using the pathway shown in the scheme.
ChemInform Abstract: Diastereoselective Aldol Synthesis Using Acetal Templates.
Authors: ISHIHARA K. , YAMAMOTO H. , HEATHCOCK C. H. 
Published: May 2016

AbstractThe benzaldehyde acetals (II), (V), or (VIII) are coupled with silyl enol ethers such as (I) or (X) in the presence of the Lewis acids titanium tetrachloride, isopropoxytitanium trichloride, or 9‐BBN triflate to form β‐alkoxy ketones.
ChemInform Abstract: o‐Pleiadienequinones. Part 3. Ring Enlargement of o‐Pleiadienequinones with Diazoalkanes.
Authors: IKUINA J. , YOSHIDA K. , TAGATA H. , KUMAKURA S. , TSUNETSUGU J. 
Published: May 2016

AbstractReaction of the o‐pleiadienequinones (I) with CH2N2 (II) in the absence of a catalyst gives the pyrazoline derivatives (III), whereas the ring‐enlarged product (IV) is obtained from (Ia) and the diazomethanes (II) or (V) in the presence of BF3·Et2O as Lewis acid catalyst.
ChemInform Abstract: Aziridination of Cyclohex‐3‐en‐1‐ol.
Authors: ATKINSON R. S. , KELLY B. J. , MCNICOLAS C. 
Published: May 2016

AbstractThe cyclohexenol (I) reacts with acetoxyaminoquinazolone (II) under cyclization, forming the fused aziridine (III) which is acetylated to give the acetate (V) as the major product.
ChemInform Abstract: Sterically Crowded Five‐Membered Heterocyclic Systems. Part 3. Unexpected Formation of Stable Flexible Pyrrolidinoxyl Biradicals via Nitrone Aldol Dimers: A Spectroscopic and Mechanistic Study.
Authors: NAZARSKI R. B. , SKOWRONSKI R. 
Published: May 2016

AbstractAddition of nitrones (I) to Grignard reagent (II) yields a mixture of N‐hydroxy compounds and N‐oxyl radicals which is immediately air‐oxidized to the mono‐ and biradicals (III) and (IV), respectively.
ChemInform Abstract: Radical‐Nucleophilic Substitution (SRN1) Reactions. Part 6. N‐Anions of Diazoles in SRN1 and Oxidative Additions.
Authors: ADEBAYO A. T. O. M. , BOWMAN W. R. , SALT W. G. 
Published: May 2016

AbstractThe anions of various diazoles such as imidazole (I) undergo oxidative addition to the anion (II) of 2‐nitropropane to give the derivative (III).
ChemInform Abstract: Direct Insertion of a Nitrogen Atom into the S‐S Bond of a 1,2,3,5‐Dithiadiazole Ring in a Direct Current Nitrogen Glow Discharge, and X‐Ray Crystal Structure of 4‐Methyl‐1,2,3,5‐dithiadiazole.
Authors: BANISTER A. J. , HANSFORD M. I. , HAUPTMAN Z. V. , WAIT S. T. , CLEGG W. 
Published: May 2016

AbstractDimeric aryldithiadiazoles (I) with two S···S interactions between the rings form the corresponding dithiatriazines (II) when treated with atomic nitrogen; the salts (I)+X‐ (X: Br, I, CN, or S3N3) incorporate N atoms as well as to give (II) (no yields given).
ChemInform Abstract: Tetrahydrothiadiazoloisoquinolines: Synthesis and Inhibition of Phenylethanolamine‐N‐methyltransferase.
Authors: GIRARD G. R. , BONDINELL W. E. , HILLEGASS L. M. , HOLDEN K. G. , PENDLETON R. G. , UZINSKAS I. 
Published: May 2016

AbstractVarious 7,8‐fused heterocyclic tetrahydroisoquinolines are prepared as outlined in the reaction scheme.
ChemInform Abstract: Thienylpyrazoloquinolines with High Affinity to Benzodiazepine Receptors: Continuous Shift from Inverse Agonist to Agonist Properties Depending on the Size of the Alkyl Substituent.
Authors: SHINDO H. , TAKADA S. , MURATA S. , EIGYO M. , MATSUSHITA A. 
Published: May 2016

AbstractCoupling of the chloroquinoline (I) with the hydrazinothiophenes (II) gives the compounds (III) which are cyclized and simultaneously hydrolyzed, yielding the acids (IV).
ChemInform Abstract: Synthesis and Reactions of Phthalazine Derivatives. Part 1. Acylation and Condensation of 1(2H)‐Oxo‐4‐phenyl‐phthalazine‐2‐acetic Acid Hydrazide: Synthesis of Heterobicyclics and Heterobicyclylmethanes.
Authors: EL‐GENDY Z. , ABDEL‐RAHMAN R. M. 
Published: May 2016

AbstractReaction of (I) with acetyl chloride, allylisothiocyanate etc. gives derivatives of type (II).
ChemInform Abstract: Synthesis and Investigation of 5a,6‐Dihydro‐12H‐indolo(2,1‐b)(1,3)benzoxazine Derivatives.
Authors: SHACHKUS A. A. , DEGUTIS YU. A. , URBONAVICHYUS A. G. 
Published: May 2016

AbstractThe indolobenzoxazines (III) are prepared by reaction of the 3H‐indoles (I) with 2‐chloromethyl‐4‐nitrophenol (II).
ChemInform Abstract: Functionalized 2‐Azabicyclo(3.3.1)nonanes. Part 10. α,α′‐Anellation of 1‐Benzyl‐2,5‐piperidinedione and Isolation of an Azabicyclic Adduct as Stable Hydrate.
Authors: BONJOCH J. , QUIRANTE J. , SERRET I. , BOSCH J. 
Published: May 2016

AbstractThe piperidinedione (I) is converted to the enamine (III) and then treated with acrolein (IV), yielding the diastereomeric adducts (V).
ChemInform Abstract: Evidence for the Donor Capacity of Nitrogen in Acyclic Aminophosphines: A Multinuclear NMR Study.
Authors: KANJOLIA R. K. , SRIVASTAVA D. K. , WATKINS C. L. , KRANNICH L. K. 
Published: May 2016

AbstractThe reactions of the aminophosphines (I)‐(III) with varying mole ratios of BH3·THF are studied by using multinuclear NMR spectroscopy.
ChemInform Abstract: Synthesis and Properties of the Valence Tautomer of cis‐Iodosocyclopropanecarboxylic Acid: 4,5‐Methano‐1‐hydroxyiodoxol‐3(1H)‐one.
Authors: MOSS R. A. , WILK B. , KROGH‐JESPERSEN K. , WESTBROOK J. D. 
Published: May 2016

AbstractStarting from propiolic acid (I), the title compound (VII) is synthesized via the key intermediate (VI) by both direct oxidation and by chlorination/hydrolysis.
ChemInform Abstract: Synthetic, Spectroscopic, and X‐Ray Studies on Methylmercury(II) and Dimethylthallium(III) Complexes with Cyclopentanone Thiosemicarbazone.
Authors: MACIAS A. , RODRIGUEZ‐ARGUEELLES M. C. + , SUAREZ M. I. , SANCHEZ A. , CASAS J. S. , SORDO J. , ENGLERT U. 
Published: May 2016

AbstractIn order to compare the properties of the coordination modes of cyclopentanone thiosemicarbazone in complexes with soft cations, the compounds (III) and (V) are prepared (no yield given).
ChemInform Abstract: Novel Synthesis and Properties of N‐Bis(trifluoromethyl)nitroxygermaimine, (CF3)2NON=GeH2.
Authors: ANG H. G. , LEE F. K. 
Published: May 2016

AbstractGermane (II) reacts with the nitrosobis(trifluoromethyl)hydroxylamine (I) to generate the title compound (III).
ChemInform Abstract: Lewis‐Base Adducts of Group 11 Metal(I) Compounds. Part 58. Syntheses, X‐Ray Structures, and Far IR Spectra of the Novel (CuX2(bidentate ligand))‐ (X: Cl or Br) Anion Salts of the (Cu(dpa)2)+ Cation and the Dimeric Iodide ((dpa)CuI2Cu(dpa)) (dpa: di(2‐pyridyl)amine).
Authors: BOWMAKER G. A. , HEALY P. C. , KEPERT D. L. , KILDEA J. D. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractReactions of Cu(I) halides in acetonitrile with di(2‐pyridyl)amine yield the ionic 1:2 adduct (I) (space group P21/c, Z=4), the ionic 1:1.5 adducts (II) (for both P21/n, Z=4), and the iodo‐bridged dimer (III) (Pcab, Z = 8) in dependence on molar ratios and the halide.
ChemInform Abstract: Metal Complexes with Macrocyclic Ligands. Part 30. Synthesis and Structure of Halocuprates of Tetraprotonated 1,4,8,11‐Tetraazacyclotetradecane and Its Cu2+ Complex.
Authors: STUDER M. , RIESEN A. , KADEN T. A. 
Published: May 2016

AbstractMixing acidic solutions of 1,4,8,11‐tetraazacyclotetradecane with CuX2 (X: Cl, Br) leads either to hexahalocuprates of the tetraprotonated form of the macrocycle, to (I) (space group P1, Z=1) and its tetrabromocuprate(II) dibromide (yield 62/54%), or to the tetrahalocuprates of the Cu(II) macrocycle (34/71%).
ChemInform Abstract: Ruthenium(II) Complexes of 3,6‐Bis(2‐pyridyl)pyridazine: Synthesis, Characterization, and Effect of the Nonchromophoric Ligands on the Photophysical and Photochemical Properties.
Authors: DENTI G. , SABATINO L. , DE ROSA G. , BARTOLOTTA A. , DI MARCO G. , RICEVUTO V. , CAMPAGNA S. 
Published: May 2016

AbstractThe absorption spectra, luminescence spectra, luminescence decay, and photochemical reactivity of the complexes (III), (VI), (VII) and (VIII), containing the same chromophoric bipyridine‐like ligand and different nonchromophoric ligands, are reported.
ChemInform Abstract: Organic Chemistry of Dinuclear Metal Centers. Part 12. Synthesis, X‐Ray Crystal Structure, and Reactivity of the Di‐μ‐alkylidene Complex (Ru2(CO)2(μ‐CHMe)(μ‐CMe2)(η‐C5H5)2): Alkylidene Linking.
Authors: COLBORN R. E. , DAVIES D. L. , DYKE A. F. , KNOX S. A. R. , MEAD K. A. , ORPEN A. G. , GUERCHAIS J. E. , ROUE J. 
Published: May 2016

AbstractOn treatment with LiMe (II) followed by HBF4 the CO bridge of the μ‐alkylidene complex (I) is converted into μ‐ethylidyne giving the cationic complex (III).
ChemInform Abstract: Reactions of Coordinated Ligands. Part 46. Formation of (Os3(μ‐H)(μ‐CCH2CHMe2)(CO)10) and (Os3(μ‐H)(μ‐CCH=CMe2)(CO)10) by Carbon‐Carbon σ‐Bond and Carbon‐Hydrogen Activation of 3,3‐Dimethylcyclopropene; Crystal and Molecular Structure of (Os3(μ‐H)(μ‐CCH2CHMe2)(CO)10) and Evidence for Its Facile Rearrangement to (Os3(μ‐H)(μ‐CH=CHCHMe2)(CO)10).
Authors: GREEN M. , ORPEN A. G. , SCHAVERIEN C. J. 
Published: May 2016

AbstractThe formation of the title complexes (III) (P1, Z=2) and (IV) under mild conditions is unusual in that both C‐C σ bond and alkene C‐H bond cleavage occurs.
ChemInform Abstract: Synthesis of Cholesterol and Its Analogs with Fluorinated Side‐Chains.
Authors: HUANG W.‐Y. , HU L.‐Q. , GE W.‐Z. 
Published: May 2016

AbstractRadical‐induced addition of polyfluoroalkyl iodides (II) to the olefinic double bond of the side‐chain of the cholesterol precursor (I) and subsequent reductive deiodination give the compound (IV) which is transformed into the cholesterol analogs (V) with fluorinated side‐chains using conventional methods.
ChemInform Abstract: Cis/Trans Isomers in Cyclic Peptides Without N‐Substituted Amides.
Authors: MIERKE D. F. , YAMAZAKI T. , SAID‐NEJAD O. E. , FELDER E. R. , GOODMAN M. 
Published: May 2016

AbstractAs part of a program to study structure‐activity relationships in the field of peptide opiates, a variety of 14‐membered cyclic derivatives of the parent enkephalin analogue (I) are prepared.
ChemInform Abstract: The Total Synthesis of myo‐Inositol Phosphates via myo‐Inositol Orthoformate.
Authors: BILLINGTON D. C. , BAKER R. , KULAGOWSKI J. J. , MAWER I. M. , VACCA J. P. , DESOLMS S. J. , HUFF J. R. 
Published: May 2016

AbstractInositol phosphates play an important role in cellular signal transduction.
ChemInform Abstract: Stereochemistry of Thionuphlutine and Neothiobinupharidine Methiodides and Their Products of Hofmann Degradation.
Authors: WROBEL J. T. , SCHOLL‐ALEKSANDROWICZ A. , CYBULSKI J. , WOJTASIEWICZ K. 
Published: May 2016

AbstractThe pale yellow methiodides (III) and (IV) are obtained from their isomer parent alkaloids such as (I) by methylation.
ChemInform Abstract: Synthesis of Mono‐ and Sesquiterpenoids. Part 16. Synthesis of (‐)‐Pereniporins A and B, Sesquiterpene Antibiotics from a Basidiomycete.
Authors: MORI K. , TAKAISHI H. 
Published: May 2016

AbstractPereniporin A (IX) and B (IV) show cytotoxicity against Friend leukemia cells.
ChemInform Abstract: Synthesis and Antitumor Activity of 5‐Deaza‐5,6,7,8‐tetrahydrofolic Acid and Its N10‐Substituted Analogues.
Authors: TAYLOR E. C. , HAMBY J. M. , SHIH C. , GRINDEY G. B. , RINZEL S. M. , BEARDSLEY G. P. , MORAN R. G. 
Published: May 2016

AbstractThe pyridopyrimidinecarboxaldehyde (I) is coupled with the aniline (II) and subsequently reduced to give the N‐substituted aniline (III) which is acylated, yielding the N‐acyl derivatives (V).
ChemInform Abstract: Crystal Structure of YbPS4.
Authors: PALKINA K. K. , KUVSHINOVA T. B. , MAKSIMOVA S. I. , CHIBISKOVA N. T. , TRIPOL'SKAYA T. A. 
Published: May 2016

AbstractThe novel title compound is prepared by solid‐phase reaction at 800 °C in evacuated quartz ampoules (1.33 Pa) starting from Yb(PO3)3 and Yb2S3.
ChemInform Abstract: Crystal Chemistry of cyclo‐Hexaphosphates. Part 1. Structure of Anhydrous Potassium cyclo‐Hexaphosphate.
Authors: AVERBUCH‐POUCHOT M. T. 
Published: May 2016

AbstractA new alkali‐metal cyclo‐hexaphosphate, K6P6O18, is prepared using the known lithium cyclo‐hexaphosphate (I) as a starting material.
ChemInform Abstract: A Moessbauer Spectroscopy Study of Eu0.1(NH3)0.3TiS2 and Eu0.1TiS2
Authors: COLOMBET P. , GLAUNSINGER W. S. , DANOT M. , ROUXEL J. 
Published: May 2016

Abstract, two intercalation compounds of TiS2 synthesized from liq.
ChemInform Abstract: Re‐Examination of the Ca‐Ga System and Crystal Structure of CaGa4, a Monoclinic Distortion of the BaAl4 Type.
Authors: BRUZZONE G. , FORNASINI M. L. , MERLO F. 
Published: May 2016

AbstractIn the course of a re‐examination of the Ga‐rich region from CaGa2 to CaGa4 a new phase Ca3Ga8 is identified and found to be isotypic with Eu3Ga8 (Immm, binary variant of the U3Ni4Si4 type).
ChemInform Abstract: Deposition and Reoxidation of Lithium on Gold in the Underpotential Range from Acetonitrile Solutions with Small Amounts of Water.
Authors: WAGNER D. , GERISCHER H. 
Published: May 2016

AbstractVoltammetric and coulometric studies confirm that Li can be underpotentially deposited on Au at a potential of ‐1.5 V. The deposited Li is unstable in the presence of even small amounts of water in MeCN and a LiOH layer is formed.
ChemInform Abstract: Chemistry of Copper Overlayers on Zinc Oxide Single‐Crystal Surfaces: Model Active Sites for Cu/ZnO Methanol Synthesis Catalysts.
Authors: DIDZIULIS S. V. , BUTCHER K. D. , COHEN S. L. , SOLOMON E. I. 
Published: May 2016

AbstractThe formation of Cu overlayers by evaporation of copper onto chemically different single‐crystal surfaces ((0001), (0001), and (1010)) of ZnO in UHV to model Cu/ZnO methanol synthesis catalysts is followed with core‐level XPS, valence band PES with resonance discharge sources and synchrotron radiation, and low‐energy electron diffraction.
ChemInform Abstract: Double‐Bond Geometry of Norbornene (I): Neutron Diffraction Measurement of a Derivative (II) at 15 K.
Authors: ERMER O. , BELL P. , MASON S. A. 
Published: May 2016

AbstractThe strong preference for exo attack in norbornene (I) is explained by many authors to result from an endo‐pyramidalization, i.e. a sym. out‐of‐plane bending of the double bond (with χ calculated to be in the range 1.7°‐4.9°).
ChemInform Abstract: Asymmetric Oligomerization of Propene (Ia) and 1‐Butene (Ib) with a Zirconocene/Alumoxane Catalyst.
Authors: KAMINSKY W. , AHLERS A. , MOELLER‐LINDENHOF N. + 
Published: May 2016

AbstractApproximately 80% stereoselectivity in the creation of the second chiral center in (III) is observed during olefin oligomerization when the catalytic system shown in the scheme is used.
ChemInform Abstract: γ‐Silicon Stabilization of Carbonium Ions in Solvolysis. Part 3. Solvolysis of 4‐(Trimethylsilyl)‐3‐methyl‐2‐butyl p‐Bromobenzenesulfonates.
Authors: SHINER V. J. JUN. , ENSINGER M. W. , HUFFMAN J. C. 
Published: May 2016

AbstractThe solvolysis behavior of the individual threo‐ and erythro‐stereoisomers (I) and (II) of the title compound is investigated in order to characterize the nature of the γ‐silyl interaction and conformational dependence in solvolysis.
ChemInform Abstract: Small Rings. Part 68. Unusual Geometry of a Sterically Congested Analogue of (CH)+ 5.
Authors: MAIER G. , RANG H. , KALINOWSKI H.‐O. 
Published: May 2016

AbstractBoth the tricyclopentanol (I) (rearranging to (III) in aprotic solvents) and its isomer (III) generate the same cationic species when treated according to A) or with SbF5/CH2Cl2.
ChemInform Abstract: Photochemically Induced Hydrogen Abstraction by Carbon Radicals in an Adamantane Matrix: Generation and Photochemical Cleavage of 2‐Adamantyl Radicals.
Authors: KORTH H.‐G. , LANGE F. , LUEBBE F. + , MUELLER W. + , SEIDEL M. , SUSTMANN R. 
Published: May 2016

AbstractThe 2‐adamantyl radical and its D15 isotopomer are generated by carbon radicals derived from e.g. bicyclo(3.1.0)hex‐2‐ene.
ChemInform Abstract: Copper(I) Salt Catalyzed Reaction of 1,1,1‐Trichloro‐2,2,2‐trifluoroethane with Trimethylsilyl Enol Ethers. A Convenient Synthesis of β‐Chloro‐β‐(trifluoromethyl) α,β‐Unsaturated Carbonyl Compounds.
Authors: OKANO T. , UEKAWA T. , EGUCHI S. 
Published: May 2016

AbstractThe title reaction allows the introduction of the β‐chloro‐β‐(trifluoromethyl)methylene unity into various silyl enol ethers such as (I); aromatic enol ethers give moderate to good yields but aliphatic enol ethers give only lower yields.
ChemInform Abstract: Alkylation of Active Methylene Compounds by Allylic Alcohols Using Tetrakis(triphenylphosphine)palladium(0) Catalysts.
Authors: BERGBREITER D. E. , WEATHERFORD D. A. 
Published: May 2016

AbstractThe palladium‐catalyzed direct allylation of the activated esters (I) with allyl alcohol (II) yields the homoallylic esters (III).
ChemInform Abstract: Light‐Induced Halogenative Decarboxylation of Thiohydroxamic Esters.
Authors: DAUBEN W. G. , KOWALCZYK B. A. , BRIDON D. P. 
Published: May 2016

AbstractThe thiohydroxamic esters (I) are irradiated in the presence of the halotrichloromethanes (II) to give the halides (III), together with the pyridyl thioethers (IV) and carbon dioxide (V).
ChemInform Abstract: Cryptophane Radical Cations as Components of Three‐Dimensional Charge‐Transfer Salts.
Authors: RENAULT A. , TALHAM D. , CANCEILL J. , BATAIL P. , COLLET A. , LAJZEROWICZ J. 
Published: May 2016

AbstractA delocalized quasi‐free π electron is present in the radical cation of (I) (see preceding paper), according to ESR and measurements with a SQUID magnetometer.
ChemInform Abstract: Reaction of Trimethyliodosilane with Nitromethane.
Authors: VORONKOV M. G. , DUBINSKAYA E. I. , SILAGOV M. V. , VITKOVSKII V. YU. 
Published: May 2016

AbstractReaction of nitromethane (I) with trimethyliodosilane and triethylsilane gives methylamine hydroiodide (II).
ChemInform Abstract: Guanidinium Trinitromethanide.
Authors: KRISHNAN A. M. , SJOEBERG P. , POLITZER P. , BOYER J. H. 
Published: May 2016

AbstractSCF‐MO calculations of the optimized structures of the salt (III), its covalent form (IV), and the analogue (V) indicate the contributions of the ionic structure.
ChemInform Abstract: Asymmetric α‐Alkylation of Cyclohexanone by Mediation of a Chiral Ligand and the Leaving Group Effect of Electrophiles on Enantioselectivity.
Authors: TOMIOKA K. , SHINDO M. , KOGA K. 
Published: May 2016

AbstractThe imine (I), derived from cyclohexanone and cyclohexylamine, is subjected to asymmetric benzylation via formation of a lithiated enamine in the presence of a chiral ligand.
ChemInform Abstract: Copper‐Catalyzed Reductive Metalation of a Propargylic Epoxide to an Allenyllithium Reagent.
Authors: ALEXAKIS A. , MAREK I. , MANGENEY P. , NORMANT J. F. 
Published: May 2016

Abstract1‐Phenylethynylcyclohexene oxide (I) forms the intermediate dilithiated allene derivative (III) which is treated with the electrophiles water, methyl iodide (V), dimethyl disulfide (VII), benzaldehyde (IX), or carbon dioxide (XI) to yield the anti‐adducts (IV), (VI), (VIII), (X), or (XII).
ChemInform Abstract: 3,3′:4,4′‐Bis(thieno(2,3‐b)thiophene): A Novel Fused Heteroarene.
Authors: KONO Y. , MIYAMOTO H. , ASO Y. , OTSUBO T. , OGURA F. , TANAKA T. , SAWADA M. 
Published: May 2016

AbstractThe planar, centrosym.
ChemInform Abstract: A General Approach to the Synthesis of 5,6‐Dihydro‐2(2H)‐pyranones. Simple Synthesis of α‐Pyrone, (.+‐.)‐Argentilactone, and (.+‐.)‐Goniothalamin.
Authors: CHIDAMBARAM N. , SATYANARAYANA K. , CHANDRASEKARAN S. 
Published: May 2016

AbstractTreatment of the dihydropyrans (I), (V), and (VII) with tert‐butyl hydroperoxide (II) and pyridinium dichromate results in the formation of the dihydropyranones (III), (VI), and (VIII) mentioned in the title.
ChemInform Abstract: Reactions of 1,5‐Diketones. Part 50. Synthesis of Derivatives of 2,6‐Diphenyl‐3‐ and 3,5‐Dipyridylacetic Acids from α‐Methylene‐1,5‐diketones.
Authors: PAVEL' G. V. , OSTROGORSKAYA T. A. , TILICHENKO M. N. 
Published: May 2016

AbstractThe title compounds (VII), (X) and (XV) are synthesized for the first time.
ChemInform Abstract: Synthesis of a Fluorosecophenanthroindolizidine Analogue.
Authors: VENKATACHALAM S. R. , BADHEKA L. P. , MULCHANDANI N. B. 
Published: May 2016

AbstractThe key step is the intramolecular ring closure of the N‐allyl‐2‐(hydroxymethyl)pyrrolidine (VII).
ChemInform Abstract: The Diels‐Alder Reaction of 1‐Azadienes. The Effect of an α‐Cyano Substituent.
Authors: TENG M. , FOWLER F. W. 
Published: May 2016

AbstractThe unsaturated oxime silyl ether (I) forms the N‐acylated and α‐cyanated product (V) which undergoes desilylation and intramolecular cycloaddition, forming the cis‐fused tetrahydropyridine (VI).
ChemInform Abstract: Intramolecular Cyclization of 1‐(3‐Bromopropyl)uracils.
Authors: DEZOR‐MAZUR M. , KORANIAK H. , LANGER J. J. , GOLANKIEWICZ K. 
Published: May 2016

AbstractUnder basic conditions the anion derived from (I) undergoes cyclization to give the ether (II).
ChemInform Abstract: One‐Pot Synthesis of New Fluorinated 4H‐1,4‐Benzothiazines as Possible Anticancer Agents.
Authors: GUPTA R. R. , THOMAS A. , GAUTAM R. K. , GUPTA V. 
Published: May 2016

AbstractCyclocondensation of the substituted 2‐aminobenzenethiols (IV) with 4‐fluorobenzoylacetone (III) gives the title compounds (V).
ChemInform Abstract: A New Class of DNA‐Cleaving Molecules: pH‐Dependent DNA Cleavage by Propargylic and Allenic Sulfones.
Authors: NICOLAOU K. C. , SKOKOTAS G. , MALIGRES P. , ZUCCARELLO G. , SCHWEIGER E. J. , TOSHIMA K. , WENDEBORN S. 
Published: May 2016

AbstractA variety of 11 cyclic and acyclic unsaturated sulfones such as (VII)‐(X) are prepared as shown for (VII) or by common methods.
ChemInform Abstract: Organolanthanoids. Part 14. Preparation and Structure of Bis(η5‐cyclopentadienyl)bis(triphenylphosphine oxide)ytterbium(II) ‐ The First X‐Ray Crystal Structure of a Phosphine Oxide‐Organolanthanoid(II) Complex.
Authors: DEACON G. B. , GATEHOUSE B. M. , WHITE P. A. 
Published: May 2016

AbstractThe title complex (III) crystallizes in the space group P21/c with Z=4.