bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Na5HfAs3, a New Zintl Compound With Two HfAs4‐Tetrahedra Sharing a Common Edge
Authors: ADAM A. , SCHUSTER H.‐U. 
Published: May 2016

Abstractis obtained directly from the elements (Na:Hf:As = 5:1:3; 1. 650 °C, 2 h; 2. 800 °C, 1 h; 3. 600 °C, 15 h; Ta crucible).
ChemInform Abstract: Metal Catalysts. Part 44. Effect of Titanium in Reforming Catalysts.
Authors: ENGELS S. , LAUSCH H. , SCHWOKOWSKI R. , TURNIER S. , WEHNER U. 
Published: May 2016

AbstractTi‐modified reforming catalysts such as Pt/Al2O3, PtIr/Al2O3, and PtRe/Al2O3 are prepared by a wet impregnation method in the presence of a complexing agent, e.g. citric acid, which is found to improve the dispersion of the Ti component.
ChemInform Abstract: Tetrahalobis(diphosphine)dimolybdenum(II) Compounds: β Isomers with Seven‐Membered Rings.
Authors: COTTON F. A. , FALVELLO L. R. , ROOT D. R. , SMITH T. J. , VIDYASAGAR K. 
Published: May 2016

AbstractThe β‐isomer (I) of the title complexes is now obtained in crystalline form (P1, Z=4) using a slightly modified literature method.
ChemInform Abstract: A Comparison of the Reactions of Some Ethyl N‐Arylcarbamates with Those of the Corresponding Acetanilides. Part 2. Amidomethylation with N‐Hydoxymethylphthalimide.
Authors: ROSEVEAR J. , WILSHIRE J. F. K. 
Published: May 2016

AbstractThe reactions of some acetanilides such as (I) and the corresponding N‐arylcarbamates (V) with N‐hydroxymethylphthalimide (II) in conc.
ChemInform Abstract: Regio‐ and Stereoselective Synthesis of Allyltrimethylsilanes via Krief‐Reich Elimination in β‐Seleno‐γ‐silyl Alcohols.
Authors: SARKAR T. K. , GHOSH S. K. , SATAPATHI T. K. 
Published: May 2016

AbstractThe synthesis of E‐allyltrimethylsilanes such as (IV) by regio‐ and stereocontrolled pathways is descibed based on the preference for Krief‐Reich elimination over silicon‐controlled rearrangement in the β‐seleno‐γ‐silyl alcohols (III), readily available from selenoaldehydes such as (I).
ChemInform Abstract: Stereochemical Studies on the Preparation and Subsequent Reductive Cleavage of 1,2‐Dioxolanes. Application to the Synthesis of (.+‐.)‐Yashabushitriol.
Authors: FELDMAN K. S. , SIMPSON R. E. 
Published: May 2016

AbstractPhotooxygenation of the stereoisomeric cyclopropanes (I) and (IV) in the presence of diphenyl dichalcogenides yields the 1,2‐dioxolanes (II) and (III).
ChemInform Abstract: A Novel Probe for Free Radicals Featuring Epoxide Cleavage.
Authors: DICKINSON J. M. , MURPHY J. A. , PATTERSON C. W. , WOOSTER N. F. 
Published: May 2016

AbstractIt is shown that homolytic cleavage of the C‐Cl or C‐O bond adjacent to the epoxide such as in (I) and (VII) is characterized by the C‐C bond cleavage within the epoxide ring.
ChemInform Abstract: Improved Procedure for the Reduction of N‐Acyloxazolidinones.
Authors: PENNINGS T. D. , DJURIC S. W. , HAACK R. A. , KALISH V. J. , MIYASHIRO J. M. , ROWELL B. W. , YU S. S. 
Published: May 2016

AbstractThe chiral N‐acyloxazidinones (I) and (IV) are reductively cleaved with lithium borohydride to form the alcohols (II) or (V) and the optically active auxiliary (III).
ChemInform Abstract: Directive Effects in Hydroborations of 1‐(Trialkylsilyl)‐1,3‐diynes. Synthesis of Z‐Enynes and α‐Keto Acetylenes.
Authors: STRACKER E. C. , LEONG W. , MILLER J. A. , SHOUP T. M. , ZWEIFEL G. 
Published: May 2016

AbstractThe 1,3‐diynes (I) react with the dialkylboranes (II) to give the enynes (III).
ChemInform Abstract: Amidrazones. Part 13. A Convenient Method for the Preparation of 1‐Alkyl‐1‐methylhydrazines.
Authors: SMITH R. F. , BROPHY K. A. , RODRIGUEZ G. , DENNIS L. A. , RYAN W. J. 
Published: May 2016

AbstractCoupling of methylhydrazine (I) with acrylonitrile (II) and subsequent ring closure of the intermediate cyanoethylhydrazine generates the 3‐amino‐1‐methylpyrroline (III) which is directly alkylated with the halides (IV).
ChemInform Abstract: Cyclic Sulfates: Useful Substrates for Selective Nucleophilic Substitution.
Authors: BERRIDGE M. S. , FRANCESCHINI M. P. , ROSENFELD E. , TEWSON T. J. 
Published: May 2016

AbstractCyclization of the diols (I) with thionyl chloride (II) and subsequent oxidation affords the cyclic sulfates (IV) which are cleaved with the nucleophiles (V), producing the isomeric phenoxyalkyl or fluoroalkyl sulfates (VI) and (VII).
ChemInform Abstract: Facile Synthesis of β‐Trifluoroacetyl Ketene O,N‐, S,N‐, and N,N‐Acetals.
Authors: HOJO M. , MASUDA R. , OKADA E. , YAMAMOTO H. , MORIMOTO K. , OKADA K. 
Published: May 2016

AbstractThe O,O‐ or S,S‐acetals (II) of trifluoroacetyl ketene react with the amines (I) to form the corresponding O,N‐ and S,N‐derivatives (III).
ChemInform Abstract: Enantioselective Routes to 2,5‐Disubstituted and 4‐Substituted 2‐Cyclohexenones.
Authors: ASAOKA M. , AIDA T. , SONODA S. , TAKEI H. 
Published: May 2016

AbstractThe silylcyclohexenone (±)‐(I) is converted to the 3,6‐disubstituted silyl enol ethers (±)‐(VI) which are directly hydrolyzed and then oxidatively desilylated to form the cyclohexenones (±)‐(VIII).
ChemInform Abstract: Synthesis of Hydroxyquinones and Related Compounds: Semisquaric Acids, (.+‐.)‐Terreic Acid, (.+‐.)‐Perezone, and (.+‐.)‐Isoperezone.
Authors: ENHSEN A. , KARABELAS K. , HEERDING J. M. , MOORE H. W. 
Published: May 2016

AbstractThe cyclobutenedione (I) reacts with the alkyllithium agents (II) to produce the corresponding alkyl derivatives (III).
ChemInform Abstract: Synthesis of 3‐Butylidene‐7‐hydroxyphthalide.
Authors: MALI R. S. , PATIL S. R. 
Published: May 2016

Abstract2‐Formyl‐6‐methoxybenzoic acid (I) is subjected to Wittig olefination with the phosphonium bromide (II), producing an E/Z‐mixture of the pentenylbenzoic acid (III).
ChemInform Abstract: An Efficient One‐Pot Synthesis of Fluorene‐9‐spiro‐3′‐pyrrolidines.
Authors: POPANDOVA‐YAMBOLIEVA K. , IVANOV C. 
Published: May 2016

AbstractUnder phase‐transfer catalysis, the reaction between benzylidenebenzylamine (I) and the arylidenefluorenes (II) proceeds regio‐ and stereospecifically at the exocyclic double bond of the arylidene derivatives (II) to give the title compounds (III) in high yields.
ChemInform Abstract: Synthesis of Benzimidazole Derivatives as Potential Antimicrobial Agents.
Authors: HABIB N. S. , ABDEL‐HAMID S. , EL‐HAWASH M. 
Published: May 2016

AbstractThe carboxylic hydrazides (I) are coupled with the isothiocyanates (II) to prepare the corresponding thiosemicarbazides (III).
ChemInform Abstract: Novel Palladium(II)‐Mediated Reactions of N‐Hydroxy β‐Lactams.
Authors: ZERCHER C. K. , MILLER M. J. 
Published: May 2016

AbstractThe 2‐furylacrylic acid (I) is coupled with the malonate to give the β‐keto ester (III) which is reduced, yielding the hydroxy ester (IV).
ChemInform Abstract: Reduction of o‐Hydroxybenzaldehydes by Aqueous Titanium Trichloride. A New Route to 2‐(Benzofuran‐2‐yl)phenols.
Authors: CLERICI A. , PORTA O. , ARNONE A. 
Published: May 2016

AbstractThe o‐hydroxybenzaldehydes (I) are reductively dimerized upon treatment with TiCl3 to yield the title compounds (II) as the main products.
ChemInform Abstract: Aromatic Annulation with Naphtho(1,8‐de)‐1,3‐dithiin Carbocations.
Authors: GAMAGE S. A. , SMITH R. A. J. 
Published: May 2016

AbstractThe title cations which are generated by the reaction of dithiins, e.g. (IV), with AgO‐SO2‐CF3 are excellent synthons for the creation of six‐membered rings.
ChemInform Abstract: Cyclopropanes from Silyl/Sulfur‐Stabilized Carbanions and Oxiranes. The Interplay of Two Reaction Pathways.
Authors: SCHAUMANN E. , FRIESE C. 
Published: May 2016

AbstractThe α‐silyl α‐sulfenyl carbanion salts (I) react with the oxiranes (II) to give the cyclopropanes (III).
ChemInform Abstract: Studies on Uracil Derivatives and Analogues. Part 12. Synthesis of 2,4‐Dimethoxy‐5‐(3‐oxo‐1‐alkynyl)pyrimidines, 2,4‐Dimethoxy‐5‐(3‐oxoalkyl)pyrimidines, and 5‐(3‐Oxoalkyl)uracils by a Highly Convenient Procedure.
Authors: KUNDU N. G. , DAS B. , MAJUMDAR A. 
Published: May 2016

AbstractThe ethynylpyrimidine (I) is converted via an ethynylboron intermediate to the oxoalkynyl derivatives (III).
ChemInform Abstract: Reactions of Organic Anions. Part 168. Reactions of 2‐(Dialkylamino)arylacetonitriles with Acetylenes Under Basic Conditions. A Simple Synthesis of Substituted Mono and Diketones.
Authors: ZDROJEWSKI T. , JONCZYK A. 
Published: May 2016

AbstractThe phase‐transfer catalyzed addition reaction of the aminoarylacetonitriles (II) with the acetylenes (I) in an equimolar ratio yields the vinylaminonitriles (III).
ChemInform Abstract: Chemistry of Boron. Part 202. Borylation of Amino Acids by an Amino‐imino‐borane.
Authors: GEISBERGER G. , NOETH H. + 
Published: May 2016

AbstractReactions of the amino‐iminoborane (II) with amino acid esters e.g. (I) or N,N‐dimethylamino acids e.g. (IV) lead to N‐borylated products (III) and boryl esters (V), respectively.
ChemInform Abstract: Boron Compounds. Part 93. Organosubstituted 1,6‐Dioxa‐2‐sila‐5‐bora‐3‐cycloalkenes ‐ Preparation and Characterization.
Authors: KOESTER R. + , SEIDEL G. , BOESE R. , WRACKMEYER B. 
Published: May 2016

AbstractThe 1:2 molar reaction of the 1,2,5‐azasilaborole (I) with the monohydroxy compounds (II) gives the cis‐alkenes (III).
ChemInform Abstract: An Example of Cheletropic Reactivity of a Methylene Phosphane.
Authors: GRUETZMACHER H. + , PRITZKOW H. , STEPHAN M. 
Published: May 2016

AbstractIn the reaction of the 2‐phosphonio‐1‐phospha‐1‐alkene (I) with chloro‐orthobenzoquinone (II) the (4 + 1) cycloaddition product (III) (space group P21; Z=2) is obtained.
ChemInform Abstract: A Facile Preparation of O‐Alkyl Selenocarboxylates and Selenoamides via Se‐Alkynyl Selenocarboxylates.
Authors: ISHIHARA H. , YOSHIMI M. , HARA N. , ANDO H. , KATO S. 
Published: May 2016

AbstractThe Se‐alkynyl selenocarboxylates (I), readily obtained from the reaction of lithium alkyneselenolates with acetyl chloride, react with alcohols and amines such as (II) or (IV) to give the title compounds (III) or (V).
ChemInform Abstract: Complexes Containing a C2 Bridge Between an Electron‐Rich Metal and an Electron‐Deficient Metal. An Agostic Interaction in a RuCH2CH2Zr Moiety.
Authors: BULLOCK R. M. , LEMKE F. R. , SZALDA D. J. 
Published: May 2016

AbstractThe compounds (III) and (V) (space group P21/n, Z=4), which contain CH=CH and CH2CH2 bridges between an electron‐rich Ru fragment and an electron‐deficient Zr moiety, show unusual structural features.
ChemInform Abstract: An Alternative Synthesis of N5‐Acetyl‐N5‐hydroxy‐L‐ornithine from L‐Ornithine.
Authors: MILEWSKA M. J. , CHIMIAK A. 
Published: May 2016

AbstractOxidation of the N2‐protected L‐ornithine tert‐butylester (I) with dibenzoyl peroxide (II) and subsequent acetylation yield the N5‐acetyl‐N5‐oxybenzoyl derivative (IV).
ChemInform Abstract: A New and Efficient Synthesis of Enamido Dienes and Dienamido Olefins for Intramolecular Diels‐Alder Additions Leading to Hydroquinolones and Alkaloids.
Authors: CHOCKALINGAM K. , HARIRCHIAN B. , BAULD N. L. 
Published: May 2016

AbstractN‐Methyl‐N‐vinylacetamide (I) is deprotonated and then substituted with the alkyl (IIa), (IIb), allyl (IIc), or dienyl halides (V) to yield the amides (III) or (VI) of higher carboxylic acids.
ChemInform Abstract: Synthesis of Bridged Dinucleosides.
Authors: AGATHOCLEOUS D. C. , PAGE P. C. B. , COSSTICK R. , GALPIN I. J. , MCLENNAN A. G. , PRESCOTT M. 
Published: May 2016

AbstractThe longer chain dinucleosides of type (III) are effective inhibitors of adenosine kinase.
ChemInform Abstract: Selective Chemically Assisted Ion Beam Etching of Si, Polysilicon, and SiO2 Using Ni‐Cr Masks and Cl2.
Authors: XIAO Z. , NILSSON B. , SVEDBERG P. 
Published: May 2016

AbstractA chemically assisted ion beam etching process with Cl2 as the reactive gas is described and etch rates are measured for Si, polysilicon, SiO2, and Ni‐Cr etching as a function of ion beam current density, ion beam energy, and Cl2 flow rates.
ChemInform Abstract: Comparison of the Electronic Structures of Osmium‐Thionitrosyl and Osmium‐Nitrosyl Complexes
Authors: PANDEY K. K. , SHARMA R. B. , PANDIT P. K. 
Published: May 2016

Abstract((Os(NX)Cl5)2‐ with X: S, O and (Os(NS)Cl4(H2O))‐) on the basis of CNDO/2 molecular orbital calculations shows that the Os‐NS bond strength is greater than that of the Os‐NO bond.
ChemInform Abstract: Copper(III) in the Complex Oxides MBa2Cu3O7‐y.
Authors: SHAPLYGIN I. S. , MISYAVICHUS A. K. , KONOVALOVA I. A. , LAZAREV V. B. 
Published: May 2016

AbstractThe title compounds MBa2Cu3O7‐y (M: Y, Nd, Eu, Gd, Ho; 0.15 ≦ y ≦ 0.43) are superconductors.
ChemInform Abstract: Stabilization of Trivalent Nickel in Tetragonal NiS4N2 and NiN6 Environments: Synthesis, Structures, Redox Potentials, and Observations Related to (NiFe)‐Hydrogenases.
Authors: KRUEGER H.‐J. + , HOLM R. H. 
Published: May 2016

AbstractThe influence of ligand structure on Ni(III)/Ni(II) redox potentials is examined in order to elucidate those factors which lead to unusually low values for this couple, such as are found in (NiFe)‐hydrogenases.
ChemInform Abstract: Activation of 1‐Alkynes at Tripodal (Polyphosphine)rhodium Systems. Regioselective Synthesis of Enol Esters from 1‐Alkynes and Carboxylic Acids Catalyzed by Rhodium(I) Monohydrides.
Authors: BIANCHINI C. , MELI A. , PERUZZINI M. , ZANOBINI F. , BRUNEAU C. , DIXNEUF P. H. 
Published: May 2016

AbstractRegioselective formation of 2‐(benzoyloxy)propene (III) results from the addition of benzoic acid (I) to propyne (II) in the presence of the trigonal‐bipyramidal Rh(I) monohydrides LRhH (L: E(CH2CH2PPh2)3, E: P, N).
ChemInform Abstract: Epimerization and Kinetic Protonation as Factors Determining the Stereochemistry of the Michael Reaction.
Authors: GOSPODOVA T. S. , STEFANOVSKY Y. N. 
Published: May 2016

AbstractModel compounds such as (I), in which the only possibility for isomerization is epimerization, are synthesized and subjected to isomerization under the conditions widely used in the Michael addition.
ChemInform Abstract: Reactivity of 3,6‐Dimethoxy‐3,6‐dimethylcyclohexa‐1,4‐diene: Nuclear versus Benzylic Nucleophilic Substitution.
Authors: ALONSO F. , BARBA I. , YUS M. 
Published: May 2016

AbstractThe lithiation of the title compound (II) with lithium powder or lithium naphthalenide fails.
ChemInform Abstract: Reaction of Pyridine Derivatives with Butyl Glycidyl Ether as a Model System for Glycidyl Ether Modified Agarose: Structural Assignment by Selective INEPT Spectra.
Authors: GOGOLL A. , OSCARSSON S. 
Published: May 2016

AbstractThe reaction of the glycidyl ether (III) with the pyridine (II) leads to either (I) or (IV); compounds (V) and (VI) are formed analogously.
ChemInform Abstract: Asymmetric Diels‐Alder Reaction Catalyzed by Some Chiral Lewis Acids.
Authors: REBIERE F. , RIANT O. , KAGAN H. B. 
Published: May 2016

AbstractVarious chiral aluminum alcoholates are tested as catalysts in the Diels‐Alder reaction between cyclopentadiene (II) and dienophiles such as (III).
ChemInform Abstract: Facile Isomerization of Oxiranes to Allyl Alcohols by Mixed Metal Bases.
Authors: MORDINI A. , BEN RAYANA E. , MARGOT C. , SCHLOSSER M. 
Published: May 2016

AbstractThe mixture of LDA and KOtBu ("LIDAKOR reagent") promotes smooth ring opening of oxiranes such as (I), (III) or (V) to afford the allyl alcohols (II), (IV) and (VI)/(VII).
ChemInform Abstract: Mixed Metal Bases as Promoters of 1,4‐Eliminations.
Authors: MARGOT C. , MATSUDA H. , SCHLOSSER M. 
Published: May 2016

AbstractWhen treated with a LDA/KOtBu mixture ("LIDAKOR reagent"), allyl type ethers such as (I) or (III) readily undergo 1,4‐elimination to give the conjugated dienes (II), (IV) or (V).
ChemInform Abstract: Hydrocarbonylating Cyclization of Dienes. Part 7. Cyclization of 1,4‐Dienes Containing Functionalized Side Chains at C‐3.
Authors: EILBRACHT P. , HUETTMANN G.‐E. + 
Published: May 2016

AbstractIt is shown that many functional groups in the C‐3 side chain of dienes such as (I) or (V) do not hamper the catalyzed hydrocarbonylative cyclization to cyclopentanones such as (III)/(IV) or (VI)/(VII), respectively.
ChemInform Abstract: Transition Metal Catalyzed Intramolecular Cyclizations of (Trichloromethyl)alkenes.
Authors: LEE G. M. , WEINREB S. M. 
Published: May 2016

AbstractThe alkenyl iodides (I) and the aldehydes (VII) are coupled with chloroform (II) to produce the trichloromethylalkenes (III) or the trichloromethyl ketones (VIII) (after Jones oxidation).
ChemInform Abstract: Reactions of 2‐Phenylethyl and 3‐Phenylpropyl Carbinols with Fluorosulfuric Acid.
Authors: BRIGHT S. T. , COXON J. M. , STEEL P. J. 
Published: May 2016

AbstractThe phenethyl carbinols (I), (V), (VII), and the phenylpropyl carbinols (VIII), (X), and (XIV) mentioned in the title are treated with fluorosulfuric acid in methylene chloride at ‐78°C to undergo cyclization as outlined in the reaction scheme, forming fused benzenes.
ChemInform Abstract: Facile Preparation of 2‐Iminotetrahydrofurans, Pyrans, and Oxepans.
Authors: ALANINE A. I. D. , FISHWICK C. W. G. , SZANTAY C. JUN. 
Published: May 2016

AbstractThe ω‐bromoalkyl amides (I) react with silver tetrafluoroborate (II) to give the cyclic iminium salts (III) which are neutralized with triethylamine to form the 2‐iminotetrahydrofurans, ‐pyrans, and ‐oxepans (IV).
ChemInform Abstract: Silicon‐Based Nucleophile‐Mediated One‐Carbon Ring Expansion Reaction of 1‐(Trimethylsilylmethyl)cycloalkanecarbaldehydes.
Authors: TANINO K. , SATO K. , KUWAJIMA I. 
Published: May 2016

AbstractThe 1‐trimethylsilylmethylcycloalkanecarbaldehydes (Ia), (Ib), and (Id) as well as the analogous ketones (Xa) and (Xc) react with the silyl thioether (II) in the presence of trimethylsilyl triflate or tin tetrachloride to give ring enlargement products as outlined in the reaction scheme.
ChemInform Abstract: A New Synthetic Approach to (+)‐Galantinic Acid, Degradation Product from the Peptide Antibiotic Galantin I, via 4‐Amino‐3‐hydroxypyranose.
Authors: KANO S. , YOKOMATSU T. , SHIBUYA S. 
Published: May 2016

AbstractPhoto‐induced allylation of the protected (phenylthio)oxazolidone (I) yields the allyl derivative (III) which is converted into N‐Boc galantinic acid methyl ester (IV).
ChemInform Abstract: Direct Polynitroaliphatic Alcohol Addition to Alkenes. Part 1. Synthesis of New 2‐Fluoro‐2,2‐dinitroethyl Acetals and Ethers.
Authors: COCHOY R. E. , MCGUIRE R. R. , SHACKELFORD S. A. 
Published: May 2016

AbstractThe reaction of the fluorodinitroethanol (II) with vinylic ethers such as (I) is catalyzed by mercury(I) or mercury(II) sulfate to give the acetals (III).
ChemInform Abstract: Dicobalt Hexacarbonyl Complexes of Conjugated Enynes as Equivalents of Tetradentate Synthons in the Preparation of Bicyclo(3.3.0)octane Derivatives.
Authors: GYBIN A. S. , SMIT V. A. , BERETENOV A. L. , SIMONYAN S. O. , SHASHKOV A. S. , STRUCHKOV YU. T. , KUZ'MINA L. G. , KEIPL R. 
Published: May 2016

AbstractThe dicobalt hexacarbonyl complexes (I) of conjugated enynes are coupled with alkenoyl tetrafluoroborates, generated in situ from the alkenoyl fluorides (II) and boron trifluoride, to give the alkenynone complexes (IV).
ChemInform Abstract: A Directed Metalation of N‐tert‐Butyl‐N‐methyl‐2‐methoxybenzamide. Short Syntheses of 2‐Methoxy‐6‐methylbenzoic Acid and Lunularic Acid.
Authors: REITZ D. B. , MASSEY S. M. 
Published: May 2016

AbstractOrtho‐lithiation of the benzamide (I) mentioned in the title followed by reaction with the alkyl halides (II) yields the alkylation products (III).
ChemInform Abstract: Synthesis and Antifungal Activity of Bisphenolic Derivatives.
Authors: SUBRAMANIAM G. , SAVITHRI R. , THAMBIPILLAI S. 
Published: May 2016

AbstractThe bisphenols (I) are coupled with the carboxylic chlorides (II), chloroacetic acid (IV), and dimethyl sulfate (VI) respectively to synthesize the corresponding esters (III) or ethers (V) and (VII).
ChemInform Abstract: The Synthesis of Two Rigid Bichromophoric Systems in Which the Chromophores are Separated by Relays of Nine and Thirteen σ‐Bonds: Two Useful Models for Further Exploring the Distance Dependence of Long‐Range Intramolecular Electron Transfer.
Authors: OLIVER A. M. , PADDON‐ROW M. N. 
Published: May 2016

AbstractThe synthesis of the new members (III) of a series of rigid bichromophoric systems by successive coupling of 1,4‐naphthoquinone (I) with quadricyclane (II) units is described.
ChemInform Abstract: Synthesis of All Four Homochiral Stereoisomers of Methyl 3‐Phenyl‐1H‐aziridine‐2‐carboxylate.
Authors: THIJS L. , PORSKAMP J. J. M. , VAN LOON A. A. W. M. , DERKS M. P. W. , FEENSTRA R. W. , LEGTERS J. , ZWANENBURG B. 
Published: May 2016

AbstractThe title aziridines (VIII) and (XII) are interesting compounds due to their structural relationship to α‐ or β‐amino acids and their high reactivity.
ChemInform Abstract: Direct Preparation of Lanthanoid Ester Homoenolates from 3‐Halo Esters and Lanthanoid Metals: Their Homo‐Reformatsky‐Type Reaction with Carbonyl Compounds.
Authors: FUKUZAWA S. , SUMITOMO N. , FUJINAMI T. , SAKAI S. 
Published: May 2016

AbstractThe β‐halopropionates (I) are treated with the lanthanoid metals (II) to generate the reactive intermediates (III).
ChemInform Abstract: Synthesis of Methyl 4‐(2,2‐Dimethoxyethyl)‐6‐hydroxy‐7‐methoxyindole‐2‐carboxylate: A Potential Intermediate for the Synthesis of the Central and Right Parts of the Anticancer Antibiotic CC‐1065.
Authors: CASTEDO L. , MARCOS C. F. , RUIZ M. , TOJO G. 
Published: May 2016

AbstractThe bromobenzaldehyde (I), available from isovanillin, reacts with the phosphonium salt (II) in tetrahydrofuran to give the isomeric bromostyryl ethers (III) which are formylated, yielding the benzaldehydes (V).
ChemInform Abstract: A New Route to 1,2‐Dithiole‐3‐thiones (Trithiones) by the Reaction of Enaminones with Carbon Disulfide.
Authors: TOMINAGA Y. , NORISUE H. , KAMIO C. , MASUNARI T. , MIYASHIRO Y. , HOSOMI A. 
Published: May 2016

AbstractReaction of the cyclic enaminones (I), (VI), and (XI) with carbon disulfide (II) in the presence of a base results in cyclization to produce the fused dithiolethiones (III), (VII), and (XII).
ChemInform Abstract: Synthesis and Antimicrobial Activity of Some New Bis(2‐pyrazolin‐3‐yl)benzenes.
Authors: REDDY D. B. , SEENAIAH B. , ESWARAIAH S. , SESHAMMA T. , REDDY M. V. R. 
Published: May 2016

AbstractCondensation of 1,3‐diacetylbenzene (I) with the benzaldehydes (II) produces the 1,3‐cinnamoylbenzenes (III) which react with hydrazine hydrate (IV) to form the 3,3'‐m‐phenylenebis(5‐aryl‐2‐pyrazolines) (V).
ChemInform Abstract: Fluorinated Analogues of the Imidazole Insect Growth Regulator KK‐42.
Authors: ARBONES C. , SANCHEZ F. J. , MARCO M.‐P. , CAMPS F. , MESSEGUER A. 
Published: May 2016

AbstractReaction of the aldehydes (I) with benzylamine (II) yields the isomeric imines (III) and (IV) which are cyclized with tosylmethyl isocyanide (V) to produce the imidazoles (VI) and (VII).
ChemInform Abstract: Synthesis of 3‐(4‐(4‐Oxothiazolidin‐2‐ylideneamino)phenyl)‐5,6‐dihydro‐5‐oxothiazolo(2,3‐c)‐1,2,4‐triazole and Its Dibenzylidene Derivatives.
Authors: GARNAIK B. K. , SAHU M. , BEHERA R. K. , NAYAK A. 
Published: May 2016

AbstractTreatment of the hydrazide (I) with potassium thiocyanate (II) and subsequent base‐induced cyclization produce the triazole (III) which reacts with chloroacetic acid (IV) to give (V) containing two thiazole moieties.
ChemInform Abstract: A New Route to Spiroacetals and the Construction of a Model for the Synthesis of Phyllanthocin.
Authors: BIGGS K. R. , PARSONS P. J. , TAPOLZCAY D. J. , UNDERWOOD J. M. 
Published: May 2016

AbstractThe δ‐lactone (I) reacts with lithium acetylide (II) to give the keto alcohol (III) which is coupled with allyl alcohol (IV) to give the acetal (V).
ChemInform Abstract: X=Y‐ZH Systems as Potential 1,3‐Dipoles. Part 27. Intramolecular Cycloaddition Reactions of Imines of Cyclic Secondary α‐Amino Esters. Dipole and Cycloaddition Stereochemistry.
Authors: GRIGG R. , DUFFY L. M. , DORRITY M. J. R. , MALONE J. F. , RAJVIROONGIT S. , THORNTON‐PETT M. 
Published: May 2016

AbstractThe condensation of α‐amino esters, e.g. (II), (VII) and (X), with the aldehydes (I) and (IV) leads to the formation of azomethine ylides which undergo intramolecular 1,3‐dipolar cycloadditions to give the products shown in the scheme.