bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Selective, Zirconium‐Mediated Cross‐Coupling of Alkynes: Synthesis of Isomerically Pure 1,3‐Dienes and 1,4‐Diiodo‐1,3‐dienes.
Authors: BUCHWALD S. L. , NIELSEN R. B. 
Published: May 2016

AbstractThe title reaction allows the one‐pot synthesis of 1,3‐dienes and 1,4‐diiodo‐1,3‐dienes such as (VIII) from alkyne precursors; in most cases, isomeric and chemical purities of > 98% are obtained.
ChemInform Abstract: Polysulfonylamines. Part 15. Synthesis of N,N,N′,N′‐Tetramesyl Dicarboxylic Diamides. Cyclization of N,N,N′,N′‐Tetramesyl Succinic Diamide to γ‐Dimesylamino‐δβ,γ‐butenolide.
Authors: BLASCHETTE A. , LINOH K. , KOCH D. 
Published: May 2016

AbstractThe acid chlorides (I) react with AgN(Mes)2 (II) to give the title diamides (III) while malonyl dichloride is transformed to polymeric material.
ChemInform Abstract: New Cyclopentadienones from Sterically Demanding Inner Acetylenes and Dicobalt‐octacarbonyl.
Authors: DEHMLOW E. V. , WINTERFELDT A. 
Published: May 2016

AbstractIn the presence of Co2(CO)8 the non‐terminal acetylenes (I), bearing one bulky substituent, react with CO (II) to yield the symmetrically substituted cyclopentadienones (III) or mixtures of these and their unsymmetrically substituted isomers (IV).
ChemInform Abstract: Reaction of Perchloro‐5‐methylene‐2‐cyclopentene‐1,4‐dione with Thioneamidic Nucleophiles.
Authors: TALZI V. P. , BEK N. O. , GUDOSHNIKOV S. K. , SAFAROVA V. I. 
Published: May 2016

AbstractThe reactions between the title compound (I) and dimethylthioformamide (II) or its ethylthio derivative (IV) proceed with formation of the salts (III) or (V), which are produced by nucleophilic substitution of the chlorine atoms of the dichloromethylene group of (I).
ChemInform Abstract: Palladium‐Catalyzed Cyclic Acylmetalation of Allylic Electrophiles as a Route to Cyclopentenone Derivatives.
Authors: NEGISHI E. , WU G. , TOUR J. M. 
Published: May 2016

AbstractThe allylic compounds (Ia), (Ib), (V), and (VI) with an additional olefinic bond are converted to the cyclopentenone derivatives (IVa), (IVb), and (VII) as outlined in the reaction scheme.
ChemInform Abstract: A Novel and Efficient Method for the Preparation of Asymmetric Dithioacetals.
Authors: GAUTHIER J. Y. , HENIEN T. , LO L. , THERIEN M. , YOUNG R. N. 
Published: May 2016

AbstractThe benzaldehydes (I) react with thioloacetic acid (II) and the thiols (III) to give the mixed monoacyl dithioacetals (IV) which are deacylated and alkylated under three different reaction conditions, yielding the asymmetric dithioacetals (VI) and (VIII) as outlined in the reaction scheme.
ChemInform Abstract: Glycals in Stereospecific Synthesis. Part 2. Di‐O‐benzyl‐L‐arabinal and Di‐O‐benzoyl‐L‐arabinal in the Synthesis of Saturated and Unsaturated Terminal Epoxides.
Authors: TOLSTIKOV A. G. , KHAKHALINA N. V. , SAVATEEVA E. E. , SPIRIKHIN L. V. , ODINOKOV V. N. , TOLSTIKOV G. A. 
Published: May 2016

AbstractAcidic ring cleavage of the title compounds (IIIa) and (IIIb) affords the corresponding aldehydes, which undergo Wittig reaction with the phosphorane (IV) to yield the ethyl heptadienoates (Va) or (Vb).
ChemInform Abstract: Vinyl Ethers with a Cyclocarbonate Group. Part 2. Reaction with Alcohols and with Phenol.
Authors: NEDOLYA N. A. , TATAROVA T. F. , TROFIMOV B. A. 
Published: May 2016

AbstractIn the presence of perfluorobutyric acid the alcohols (II) add to the vinyloxy compound (I) to afford the mixed acetals (III).
ChemInform Abstract: Synthesis of Stable Nitroxides with Amino Groups and Fluorine Atoms at the α‐Carbon of the Radical Centre.
Authors: GRIGOR'EV I. A. , VOLODARSKY L. B. , STARICHENKO V. F. , KIRILYUK I. A. 
Published: May 2016

AbstractThe 1‐hydroxyimidazoline 3‐oxides (I) are treated with excess lead dioxide and ammonia (III) in ethanolic solution, yielding the isomeric nitroxides (IV) and/or (V).
ChemInform Abstract: Diastereoselective Cyclization of a Glycylalanine Azomethine to an Imidazolidinone: Determination of the Product Configuration by X‐Ray Analysis.
Authors: EGLI M. , POLT R. , SEEBACH D. 
Published: May 2016

AbstractThe glycylalanine ester (I) is coupled with the aldehyde (II) to give the azomethine (III) which is cyclized and subsequently treated with the chloroformate (IV), forming the diastereomeric imidazolidines (V) and (VI).
ChemInform Abstract: Intramolecular Electrophilic Cyclization of Doubly Activated Imines Induced by Lewis Acids and Trialkylsilyl Triflates. An Efficient Route to Substituted Piperidines and Annulated Piperidine Lactones.
Authors: TIETZE L. F. , BRATZ M. 
Published: May 2016

AbstractWhen methyl or isopropyl esters instead of the ethyl ester (I) are used for the cyclization, the corresponding piperidine derivatives are formed.
ChemInform Abstract: 3‐Aminopyridazine Derivatives with Atypical Antidepressant, Serotonergic, and Dopaminergic Activities.
Authors: WERMUTH C.‐G. , SCHLEWER G. , BOURGUIGNON J.‐J. , MAGHIOROS G. , BOUCHET M.‐J. , MOIRE C. , KAN J.‐P. , WORMS P. , BIZIERE K. 
Published: May 2016

AbstractAryl alkyl ketones such as (I) are coupled with α‐keto carboxylic acids such as (II) by aldol condensation to yield the α‐hydroxy‐γ‐keto carboxylic acids (III) which are cyclized with hydrazine hydrate (IV), forming the pyridazinones (V).
ChemInform Abstract: Isolation of 1,1‐Dialkoxysilylene‐1,1‐bis(2‐phenylhydrazine); 1‐Alkoxysilylyne‐1,1,1‐tris(2‐phenylhydrazine) and 1,1,1,1‐Tetrakis(2‐phenylhydrazine) Silane as Adducts Through Lewis Acid Aided Disproportionation Reactions.
Authors: NARULA S. P. , KAPUR N. , RANA C. R. , MALHOTRA R. 
Published: May 2016

AbstractThe TiCl4 and SnCl4 adducts (III), (V), (VII), and (IX) of the title compounds are obtained as shown in the scheme by one‐pot Lewis acid assisted disproportionation reactions of the silyl hydrazines (I), (IV), (VI), and (VIII) at low temperature.
ChemInform Abstract: Stabilization of Biochemically Relevant Intermediates by Metal Coordination. Part 2. 5,8‐Bis(trimethylsilyl)‐5,8‐dihydropteridine and Its Deaza Derivatives.
Authors: BESSENBACHER C. , KAIM W. 
Published: May 2016

AbstractReductive trimethylsilylation of the azanaphthalenes (I) yields the disilylated dihydro compounds (III) as the only volatile reaction products.
ChemInform Abstract: Intramolecular Cyclization of o‐Silylbenzyl Alcohols with Elimination of Hydrocarbon via Hypervalent Silicon Intermediates: Effect of Structure on the Selectivity for Elimination.
Authors: YAMAMOTO Y. , TAKEDA Y. , AKIBA K. 
Published: May 2016

AbstractThe bis(trifluoromethyl) carbinols (V), prepared by two alternative methods outlined in the reaction scheme, undergo ring closure upon standing at room temperature to form the cyclic silanes (IX) and/or (VIII) under elimination of hydrocarbons.
ChemInform Abstract: Unusually Robust P‐H Bond in the Novel Cyclic Cation HP(NMeCH2CH2)3N+.
Authors: LENSINK C. , XI S. K. , DANIELS L. M. , VERKADE J. G. 
Published: May 2016

AbstractThe 1:1 molar reaction of the tetramine (I) with the P(III) chloride (II) in the presence of NEt3 results in the formation of the title cation isolated as its chloride (IIIa) and its tetrafluoroborate (IIIb).
ChemInform Abstract: Synthesis and Properties of Substituted Bis(cyclopentadienyl)calcium Compounds: Crystal Structure of Monomeric Bis(1,3‐bis(trimethylsilyl)cyclopentadienyl)(tetrahydrofuran)calcium.
Authors: JUTZI P. , LEFFERS W. , MUELLER G. + , HUBER B. 
Published: May 2016

AbstractThe air‐sensitive calcocenes (IV), (V) and (VII) contain THF molecules coordinated to the metal.
ChemInform Abstract: The Reactivity of M2(μ‐Cl)2(μ‐SMe2)Cl4(SMe2)2: Formation of Ta2(μ‐SEt)2(μ‐Cl)Cl4(SMe2)2 and NbCl3(S2CNEt2)2.
Authors: CANICH J. A. M. , COTTON F. A. 
Published: May 2016

AbstractThe reaction of (I) with the disulfide (II) produces a mixed‐valence Ta(III)/Ta(IV) complex (III), crystallizing in P21/n with Z=4.
ChemInform Abstract: Bismuth(III) Thiocyanate Adducts with Tridentate Nitrogen Donors.
Authors: BERTAZZI N. , ALONZO G. , CONSIGLIO M. 
Published: May 2016

AbstractThe title compounds (I) are obtained quantitatively on reaction of the heterocyclic ligands with Bi(III) nitrate in methanolic NH4CNS solutions.
ChemInform Abstract: NMR Spectroscopy of Paramagnetic Complexes. Part 35. Dialkyl(η5‐cyclopentadienyl)chromium Derivatives with Extreme Values of 1(2)H‐NMR Parameters.
Authors: GROHMANN A. , KOEHLER F. H. + , MUELLER G. + , ZEH H. 
Published: May 2016

AbstractThe antiferromagnetic complex (I) is cleaved to the half‐sandwich compound (III), which on treatment with an alkyl‐metal compound yields the product (V).
ChemInform Abstract: Electrical and Spectroscopic Properties of Bis(dmit)oxomolybdenum(2‐) (dmit: 4,5‐dimercapto‐1,3‐dithiole‐2‐thionate) Anion Complexes and the Oxidized Analogues.
Authors: NOJO T. , MATSUBAYASHI G.‐E. , TANAKA T. 
Published: May 2016

Abstract(I), obtained according to the literature, reacts with N‐methylacridinium perchlorate to give (II).
ChemInform Abstract: Reactivity of the Macrocyclic Complex (Ni(C22H22N4)) Toward Cyanogen.
Authors: BASATO M. , CORAIN B. , FAVERO G. , VALLE G. , EILMES J. 
Published: May 2016

AbstractThe macrocyclic complex (I) reacts with cyanogen to give (III) and (IV) in reversible reactions.
ChemInform Abstract: Copper(I) Bromide Complexes with Heterocyclic Thiones and Triphenylphosphine as Ligands. The X‐Ray Crystal Structure of Copper(I) Pyrimidine‐2‐thione‐bis(triphenylphosphine) Bromide (Cu(PPh3)2(PymtH)Br).
Authors: LECOMTE C. , SKOULIKA ST. , ASLANIDIS P. , KARAGIANNIDIS P. , PAPASTEFANOU ST. 
Published: May 2016

AbstractThe title complexes such as (IV) are prepared with 10 thione ligands and characterized by IR, electronic and 1H NMR spectral data.
ChemInform Abstract: Preparation, Electronic Properties and Crystal Structure of Imidazolebis(1,10‐phenanthroline)copper(II) Bis(hexafluorophosphate).
Authors: MIKURIYA M. , KUSHIDA K. , OKAWA H. , OSHIO H. 
Published: May 2016

AbstractThe title complex (I) is obtained by treating Cu(II) acetate monohydrate in methanol with 1,10‐phenanthroline, NH4PF6, and imidazole at 60 °C. Its structure (space group P2/c, Z=4) is determined by X‐ray analysis.
ChemInform Abstract: (CO)(PEt3)ClIr(μ‐PCy2)2IrCl(PEt3)(CO), a Phosphido‐Bridged Bimetallic Iridium(II) Complex.
Authors: JENKINS H. A. , LOEB S. J. , MCMANUS N. T. 
Published: May 2016

AbstractThe title complex (I) is obtained on attempted recrystallization of (OC)3(Et3P)Fe(μ‐P(C6H11)2)Ir(PEt3)(CO)2 in CH2Cl2 over a five week period as a decomposition product additional to Fe(PEt3)(CO)4.
ChemInform Abstract: Mechanism of the Metal Mediated Vinylic Cross Coupling Reactions. Part 2. Reductive Elimination: Preparation, Molecular Structure, and Thermal Chemistry of (σ‐Alkynyl)(σ‐vinyl)platinum(II) Complexes.
Authors: STANG P. J. , KOWALSKI M. H. 
Published: May 2016

AbstractThe reaction of lithium acetylides with vinyl Pt(II) complexes results in the formation of trans and cis title complexes such as (III) and (IV).
ChemInform Abstract: Use of 5‐Deoxy‐ribo‐hexofuranose Derivatives for the Preparation of 5′‐Nucleotide Phosphonates and Homoribonucleosides.
Authors: MIKHAILOV S. N. , PADYAKOVA N. SH. , KARPEISKII M. YA. , KOLOBUSHKINA L. I. , BEIGEL'MAN L. N. 
Published: May 2016

AbstractPhosphonates of type (IX) are synthesized starting from the D‐glucose derivative (I) via bromination and Arbuzov reaction of the intermediate (III).
ChemInform Abstract: Stereo‐Controlled Synthesis of Aromatic Analogues of Retinal and Retinoic Acid.
Authors: MAKIN S. M. , MIKERIN I. E. , SHAVRYGINA O. A. , LANINA T. I. 
Published: May 2016

AbstractStarting from the 5‐arylpentadienals (I) and methyl ethyl β‐methylglutaconate (II) the 2Z,4E,6E,8E‐configurated nonatetraenoic acids (IV) and their all‐E isomers (V) are prepared via stereo‐controlled steps.
ChemInform Abstract: Crystal Structure of Phases of the Yb‐Ga System in the Range 20‐32 at.% Yb.
Authors: CIRAFICI S. , FORNASINI M. L. 
Published: May 2016

AbstractThe reinvestigation of the title system by XRD and metallographic methods reveals the presence of two new phases, Yb3Ga8 (I) and YbGa3‐x (II) with 0 ≦ x ≦ 0.36.
ChemInform Abstract: Role of Sulfide Additives on the Performance of Alkaline Iron Electrodes.
Authors: VIJAYAMOHANAN K. , SHUKLA A. K. , SATHYANARAYANA S. 
Published: May 2016

AbstractThe mechanism of depassivation of porous iron electrodes by addition of sulfide is discussed on the basis of experimental results of steady state, galvanostatic, and potentiostatic polarization studies.
ChemInform Abstract: On the Reactivity of Halo‐1,3‐azoles and Related Compounds Toward Aromatic SN2 Substitution.
Authors: YAMANAKA H. , OHBA S. , SAKAMOTO T. 
Published: May 2016

AbstractCoupling of the activated methylene compounds (II) with the heterocyclic methyl sulfones (I) and (IV) or the halides (VI) and (VIII) is accompanied by elimination to yield the substituted azoles (III), (V), (VII), or (IX).
ChemInform Abstract: Ethynyl Carbocations. Part 3. Diene Synthesis in the 4‐Phenylethynylpyrylium Salt Series.
Authors: KOBLIK A. V. , MURAD'YAN L. A. , DUBONOSOV A. D. , ZOLOTOVSKOVA G. P. 
Published: May 2016

AbstractDiels‐Alder reaction of the phenylethynylpyrylium salts (I) with the cyclopentadienes (II) produces the norbornadienylpyrylium salts (III) of which (IIIc) and (IIIe) are transformed into the corresponding pyridinium salts (Vc) and (Ve) upon treatment with ammonium acetate (IV).
ChemInform Abstract: Oxidation of 2‐Methylnaphthalene to 2‐Methyl‐1,4‐naphthoquinone with Ammonium Dichromate Catalyzed by RuCl3.
Authors: CHOCRON S. , MICHMAN M. 
Published: May 2016

Abstract2‐Methylnaphthalene (I) is oxidized in acetonitrile/water solution to give 2‐methyl‐1,4‐naphthoquinone (IV) either by bis(tetrabutylammonium) dichromate or ammonium dichromate at slightly elevated temperatures.
ChemInform Abstract: An Efficient Enantioselective Preparation of 2‐Substituted 3‐Hydroxypropionic Acids via Chemoenzymatic Reaction.
Authors: ATSUUMI S. , NAKANO M. , KOIKE Y. , TANAKA S. , OHKUBO M. , YONEZAWA T. , FUNABASHI H. , HASHIMOTO J. , MORISHIMA H. 
Published: May 2016

AbstractThe 1,3‐diols (I) are enantioselectively monoesterified in the presence of lipase P from Pseudomonas fluorescens to yields the chiral acetates (+)‐(III).
ChemInform Abstract: Herbicidal Activity of Some 4′‐Substituted 2‐(4‐Benzoylphenoxy)alkanoic Acids.
Authors: MASSOLINI G. , CARMELLINO M. L. , BORGNA P. 
Published: May 2016

AbstractThe title compounds, e.g. (I), are synthesized from the corresponding phenols according to known procedures.
ChemInform Abstract: N‐Substituted 2,6‐Dialkylanilides.
Authors: KRUTOSIKOVA A. , DANDAROVA M. , KONECNY V. , KOVAC J. 
Published: May 2016

AbstractAddition reaction of 2,6‐dialkylanilines (I) with carboxylic acid chlorides such as (II) gives the corresponding amides (III).
ChemInform Abstract: Preparation, Characterization, and Antimicrobial Properties of Some 1,3,5‐Substituted 2‐Pyrazolines.
Authors: KOOS M. , REPAS M. , STEINER B. , MLYNARCIK D. 
Published: May 2016

AbstractThe trisubstituted pyrazolines (III) are obtained by condensation reaction of the chalcones (I) with phenylhydrazine (II).
ChemInform Abstract: Antiparasitic Agents. Part 15. Synthesis of 4‐Phenyl‐1‐(2‐substituted‐ethyl)imidazolidin‐2‐ones as Structural Analogs of Levamisole Metabolite and Potential Leishmanicidal Agents.
Authors: BATRA S. , SHARMA S. 
Published: May 2016

AbstractThe title compounds (VII) as well as the related imidazolidinones (VIII), (X) and (XI) are prepared as analogues of the metabolite (XII) of the effective leishmanicide (XIII).
ChemInform Abstract: Geminal Azo‐ and Heteroelement Functions. Part 9. Triazolium Salts. Part 3. 1‐(1,1‐Dimethylethyl)‐4,5‐dihydro‐3,3‐dimethyl‐5‐oxo‐3H‐1,2,4‐triazolium Chloride.
Authors: SCHANTL J. G. , LANZNASTER N. , GSTACH H. 
Published: May 2016

AbstractThe hydrazine hydrochloride (III) reacts with potassium cyanate (IV) under ring‐closure to yield 2‐tert‐butyl‐5,5‐methyl‐1,2,4‐triazolidin‐3‐one (V) which is oxidatively cleaved upon treatment with potassium permanganate, producing the isocyanate (VI).
ChemInform Abstract: Synthesis of Novel 1,3‐Thiazolidines and 1,3,4‐Thiadiazolines from Thiocarbohydrazides.
Authors: KABASHIMA S. , OKAWARA T. , YAMASAKI T. , FURUKAWA M. 
Published: May 2016

AbstractThiocarbohydrazide (I) reacts with α‐bromo‐γ‐butyrolactone (II) in ethanol to produce the azine (III).
ChemInform Abstract: Agents Acting on Central Nervous System. Part 30. Synthesis of 2‐Hydroxymethyl‐3‐phenylpiperidine and Related Compounds.
Authors: PILLAI K. M. R. , KAPIL R. S. , NAND N. 
Published: May 2016

AbstractThe title compound (IV) and the analogues (VI) are tested for their CNS activity.
ChemInform Abstract: Synthesis of Substituted 6‐(3′,5′‐Dimethyl‐1H‐pyrazol‐1′‐yl)quinolines and Evaluation of Their Biological Activities.
Authors: PATEL H. V. , VYAS K. A. , FERNANDES P. S. 
Published: May 2016

AbstractAll products obtained starting from (I) are screened for their antibacterial activity.
ChemInform Abstract: Nucleophilic Substitution Reactions in Benzo(c)(1,8)naphthyridines. Part 2.
Authors: CHERUBIM P. , DEADY L. W. 
Published: May 2016

AbstractThe 3‐chloro‐1‐methyl‐substituted title compound (III) is prepared and its chemistry is compared with that of the 1‐chloro‐3‐methyl isomer (IV).
ChemInform Abstract: Synthesis and Pharmacological Properties of 1‐R‐3‐(3‐R′‐Amino‐2‐hydroxypropyl)‐1,2,3,4‐tetrahydro‐β‐carboline Dihydrochlorides.
Authors: SOLOMINA L. P. , SARKISYAN A. B. , PIRDZHANOV L. SH. , ARZANUNTS E. M. , SARKISYAN I. S. , MARKARYAN K. ZH. , POGOSYAN A. V. , MARKARYAN E. A. 
Published: May 2016

AbstractThe carbolines (I) react with epichlorohydrin (II) to form the 2‐glycidylcarbolines (III) which are treated with the primary amines (IV), producing the title compounds (V).
ChemInform Abstract: Synthesis and Some Reactions of Pyrimidine‐2‐thione Derivatives.
Authors: MAHMOUD M. R. , SOLIMAN A. Y. , BAKEER H. M. 
Published: May 2016

AbstractThe title compounds (III) and their reaction products are prepared with the view to obtaining new heterocycle containing a pyrimidyl (and a thiazoloyl) moiety for pharmacological studies.
ChemInform Abstract: Restricted Rotation of the Pyrimidine Ring in Symmetrical 10‐S‐3 Sulfuranes: Evaluation of Hypervalent N‐S‐N Bond Energy.
Authors: OHKATA K. , OHSUGI M. , KUWAKI T. , YAMAMOTO K. , AKIBA K. 
Published: May 2016

AbstractThe 2,2'‐bispyrimidinylthiourea (I) reacts with sulfuryl chloride to form the tetracyclic sulfuranes (II).
ChemInform Abstract: Synthesis of 5‐Hetarylpyrazolo(3,4‐b)pyrazines and Their Use as Disperse Dyes for Polyester Fibres.
Authors: RANGNEKAR D. W. , DHAMNASKAR S. V. 
Published: May 2016

AbstractCyclocondensation of the aminonitrosopyrazole (I) with the keto esters (II) or the malonic acid derivatives (V) or (VII) gives the pyrazolopyrazines (III) and (IV), (VI), or (VIII).
ChemInform Abstract: Conjugate Addition of Allylsilanes with Subsequent Sila‐Wagner‐Meerwein Rearrangement: A Novel Methodology for Stereoselective Trimethylsilylcyclopentane Annulation.
Authors: KNOELKER H.‐J. + , JONES P. G. , PANNEK J.‐B. 
Published: May 2016

AbstractReaction of the acetylcycloalkenes (I) with allyltrimethylsilane (II) in the presence of titanium tetrachloride yields a mixture of the acetylallylcycloalkane (III) and the acetyltrimethylsilylbicycloalkanes (IV).
ChemInform Abstract: A New System Exhibiting a High Barrier to Rotation About the P‐N Bond. Syntheses and Spectral Studies of 1,3,2‐Diazaphosphetidin‐4‐one Derivatives.
Authors: MA X.‐B. , ZHANG J.‐L. 
Published: May 2016

AbstractThe 1H HMR signals of the title compounds (III) (9 examples) at ambient temp. display a broad doublet which eventually coalesces before becoming sharp upon warming, and the 13C NMR spectra show that the α‐ and β‐carbons of the dialkylamino group are non‐equivalent.
ChemInform Abstract: Electrophilic and Nucleophilic Reactions of Complexes Formed from 2,5‐Dithiahex‐3‐yne (MeSCCSMe) and Tungsten Carbonyls.
Authors: MILLER D. C. , ANGELICI R. J. 
Published: May 2016

AbstractThe alkyne (II) reacts with the W(II) carbonyl complexes (I) and (VI) to give the π‐alkyne products (III), (VII), and (VIII) (from (VI) and (II) in refluxing toluene; yield 35/31%).
ChemInform Abstract: Synthesis of Multibridged Ferrocenophanes Containing an Azatetramethylene Bridging Chain.
Authors: HISATOME M. , KAWAJIRI Y. , YAMAKAWA K. 
Published: May 2016

AbstractThe oxoferrocenophanes (I) are converted to the E‐ (III) and Z‐oximes (IV) which are separated by means of chromatography and then subjected to Beckmann rearrangement, forming the amides (V) or (VII).
ChemInform Abstract: Reactivity of (3‐Chloro‐2‐methylenecycloalkyl)palladium Chloride Dimers: Coupling with Phenyl Nucleophiles.
Authors: DONALDSON W. A. , WANG J. 
Published: May 2016

AbstractReactions of compounds of the title type such as (I), (V), and (VI) with NaBPh4 are studied.
ChemInform Abstract: Desilylation and Cyclometallation Reactions of Diphenyl(tris(trimethylsilyl)methyl)phosphine with Platinum(II) Compounds. Crystal Structure of Cyclic trans‐(PtClPPh2C(SiMe3)2SiMe2CH2(PPh2CH(SiMe3)2)).
Authors: AL‐JUAID S. S. , EABORN C. , HITCHCOCK P. B. , SMITH J. D. , ZANOTTO L. , KAPOOR P. N. 
Published: May 2016

AbstractThe disilylmethylphosphane (II) reacts in the usual way with the trans Pt(II) complex (I) to give the trans‐bis‐(phosphane) analogue (III) (yield not given).
ChemInform Abstract: Synthesis and Electronic Spectra of Some Bisheterocyclic Methine Cyanine Dyes.
Authors: KORAIEM A. I. M. , HASSAN K. M. , ABD EL ALL R. M. 
Published: May 2016

AbstractThe pyrazolopyrazoles (Ia), (Ib), and the pyrazoloxazole (Ic) react with ethyl iodide (II) to produce the pyrazolium salts (III).
ChemInform Abstract: Reactions with α,β‐Unsaturated Nitrile Oxides. Synthetic Studies in the Terpene Field. Synthesis of Tagetones, Ocimenones, Deodarone and Atlantone.
Authors: ISAGER P. , THOMSEN I. , TORSSELL K. B. G. 
Published: May 2016

AbstractThe generation of α,β‐unsaturated nitrile oxides is achieved by halogenation of oximes (III).
ChemInform Abstract: Acid‐Catalyzed Addition of Isobutylene to Hemiacetal Hydroxyl Groups. Synthesis of t‐Butyl Glycosides.
Authors: LACOMBE J.‐M. , RAKOTOMANOMANA N. , PAVIA A. A. 
Published: May 2016

AbstractReaction of the acetylated reducing sugars (I), (IV), and (VI), obtained from the corresponding peracetylated derivatives by selective deprotection, with isobutylene (II) gives the t‐butyl glycosides (III), (V), and (VII).
ChemInform Abstract: Synthesis of N,N′‐(Bis(adenosin‐8‐yl))diaminoalkanes and ‐piperazine.
Authors: MAURINSH Y. A. , SUJINO K. , TOGO H. , YOKOYAMA M. 
Published: May 2016

Abstract8‐Bromoadenosine (I) reacts with the diamines (II) in 95% aqueous ethanol to give monosubstituted diamines which are converted into the N,N'‐bis(adenosinyl)diamines (III).
ChemInform Abstract: Improved Synthesis of N1‐Pyridylthiamine Pyrophosphate, a Coenzymatically Active Analog of Thiamine Pyrophosphate.
Authors: NEEF H. , GOLBIK R. , FAHLBUSCH B. , SCHELLENBERGER A. 
Published: May 2016

AbstractThe known multi‐step synthesis of the title compound (VIII) is modified for the transformation of the acetylpyridine (II) into the nicotinate (VII).
ChemInform Abstract: Synthesis of 3‐Isoxazolidinylcephalosporin and Its Analogues via 1,3‐Dipolar Cycloaddition of 3‐Vinylcephem.
Authors: HUANG S.‐P. , IKEDA D. , KOYAMA Y. , KONDO S. 
Published: May 2016

AbstractThe protected 7‐amino‐3‐vinyl‐3‐cephem‐4‐carboxylate (I) reacts with the nitrone, prepared in situ from formaldehyde (38% formalin) (II) and N‐methylhydroxylamine hydrochloride (III), to produce the diastereomeric methylisoxazolidines (IV) and (V).
ChemInform Abstract: A Facile Synthesis of 3‐Formyl‐3‐cephem Dimethyl Acetal: Reaction of 3‐Chloromethyl‐3‐cephem with Sodium Iodide.
Authors: KOYAMA Y. , HUANG S.‐P. , IKEDA D. , KONDO S. 
Published: May 2016

AbstractTreatment of the 3‐chloromethyl‐3‐cephem (I) with methanol (II) and sodium iodide under air yields a mixture of the dimethyl acetal (III) and the methyl ether (IV).