bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Preparation and Reactivity of Tricarbonyl(η5‐cyclopentadienyl)(organothiolato)tungsten Complexes with Potentially Chelating Thiolate Ligands.
Authors: BRANDENBURG K. L. , HEEG M. J. , ABRAHAMSON H. B.
Published: May 2016

Photoinduced (visible irradiation) reactions of the tungsten dimer (I) with organic disulfides (II) form mononuclear W complexes (III) with monodentate thiolate ligands.
ChemInform Abstract: Oxidation and Substitution Kinetics of Re2(CO)8(P(C6H11)3)2.
Authors: POE A. J. , SAMPSON C. N. , SEKHAR C. V.
Published: May 2016

The kinetics of the reactions of the bisaxial title complex with 1‐iodohexadecane, P(OPh)3, and P(OEt)3 in decalin are studied and the reaction mechanisms are discussed.
ChemInform Abstract: N‐H Activation. Part 1. Oxidative Addition of Ammonia to Iridium(I). Isolation, Structural Characterization, and Reactivity of Amidoiridium Hydrides.
Authors: CASALNUOVO A. L. , CALABRESE J. C. , MILSTEIN D.
Published: May 2016

The oxidative addition of NH3 to the complex (I) with labile ethylene ligands yields the hydride complex (II).
ChemInform Abstract: Syntheses in the Isocamphane Series. Part 28. Analogues of δ‐Santalol. Part 2.
Authors: BUCHBAUER G. , DOMINICI S. , ROHNER H. C. , KARNER F.
Published: May 2016

The title compounds (II) and (V) are prepared by analogous routes starting from the ketones (I) and (IV), respectively.
ChemInform Abstract: Steroids and Related Studies. Part 78. 17α‐Pregn‐20‐yno(3,4‐c)‐1′,2′,5′‐oxadiazol‐17‐ols.
Authors: SINGH H. , YADAV M. R. , JINDAL D. P.
Published: May 2016

The diol (I) and the dioxime (V), readily available from testosterone and diosgenin, resp., serve as starting material for two independent syntheses of the 17‐ketones (IV).
ChemInform Abstract: Practical Synthesis of Optically Active α‐Hydrazino Acids from α‐Amino Acids.
Authors: VIRET J. , GABARD J. , COLLET A.
Published: May 2016

Simple amino acids (I) or (IV) can be converted in fair to good yield into hydrazino acids (III) or (VI) of like configuration by using KOCl instead of the previously employed NaOCl to promote the Shestakov rearrangement of the intermediate hydantoic acids (II) or (V).
ChemInform Abstract: Intermediates in the Epimerization of Ritodrine by Acid.
Authors: SILL A. D. , HOUSMYER C. L. , GIBBONEY K.
Published: May 2016

In contrast to l‐epinephrine which undergoes racemization in aqueous HCl, ritodrine hydrochloride (I) is converted to its corresponding enantiomer (IV).
ChemInform Abstract: Prostaglandin Chemistry. Part 32. Nitro‐Olefin Trapping Reaction of Enolates Generated in situ by Conjugate Addition Reaction: Short Syntheses of PGE1, 6‐Oxo‐PGE1, 6‐Oxo‐PGF1α, and PGI2.
Authors: TANAKA T. , HAZATO A. , BANNAI K. , OKAMURA N. , SUGIURA S. , MANABE K. , TORU T. , KUROZUMI S. , SUZUKI M. , KAWAGISHI T. , NOYORI R.
Published: May 2016

The nitro‐olefin trapping of enolates, generated in situ by conjugate addition of organo copper reagents to chiral oxygenated cyclopentenone synthons, is investigated.
ChemInform Abstract: The Crystal Structure of Hexaaquacadmium(II) Perchlorate, (Cd(H2O)6)(ClO4)2
Authors: JOHANSSON G. , SANDSTROEM M. +
Published: May 2016

is shown to be, apart from an apparent disorder or twinning, the same as that of (Hg(H2O)6)(ClO4)2.
ChemInform Abstract: Raman Spectra of the Hexathiohypodiphosphates of NH4, Mg, Ca, Sr, and Ba.
Authors: PAETZMANN U. + , BROCKNER W.
Published: May 2016

Mg2P2S6 (I), Ca2P2S6 (II), Sr2P2S6 (III), and Ba2P2S6 (IV) have been prepared by reaction of the corresponding sulfides with elemental P and S at temp. between 800 and 900 °C. (NH4)4P2S6 (V) precipitates from a Na4P2S6 solution after NH4NO3 addition.
ChemInform Abstract: Structure of In2S3‐Type Vacant Spinels by Moessbauer and X‐Ray Spectroscopy.
Authors: ADENIS C. , OLIVIER‐FOURCADE J. , JUMAS J.‐C. , PHILIPPOT E.
Published: May 2016

A study of the solid solution range with In2S3 vacant spinel structure in the SnS‐In2S3‐SnS2 pseudo‐ternary system has revealed the existence of three compounds which are identified by chemical analysis, 119Sn Mößbauer spectroscopy and single‐crystal XRD (space group Fd3m) to be the compounds (I)‐(III).
ChemInform Abstract: Electrocatalytic Reduction of Nitrate and Nitrite to Hydroxylamine and Ammonia Using Metal Cyclams.
Authors: TANIGUCHI I. , NAKASHIMA N. , MATSUSHITA K. , YASUKOUCHI K.
Published: May 2016

It is demonstrated (cyclic voltammetry, controlled‐potential electrolysis (CPE)) that Co(III)‐cyclam (cyclam: 1,4,8,11‐tetraaza‐cyclotetradecane) acts as an excellent catalyst for the reduction of NO3‐ and NO2‐ to produce NH2OH and NH3, depending on the cathode material.
ChemInform Abstract: Chemical Oscillations and Instabilities. Part 78. The Bromate‐Sulfide System. A Particularly Simple Chemical Oscillator.
Authors: SIMOYI R. H. , NOYES R. M.
Published: May 2016

In a batch system, Br2 rapidly oxidizes HS‐ to elemental sulfur (reaction A) and not to SO42‐.
ChemInform Abstract: Negative Ion Chemistry of Triflic Anhydride in the Gas Phase and the Electron Affinity of CF3SO3.
Authors: VIGGIANO A. A. , PAULSON J. F. , DALE F. , HENCHMAN M.
Published: May 2016

(CF3SO2)2O (I) has been reacted with a series of negative ions in the gas phase at 353 K. CF3SO3‐ is rapidly formed by reaction of (I) with O2‐, NO2‐, NO3‐, PO3‐, and HSO4‐, whereas (I) reacts slowly with NO3‐(HNO3) and not at all with WF6‐.
ChemInform Abstract: Rare Earth Oxide Catalyzed Oxidation of Rhenium to ReO‐ 4 and ReO‐ 3 as Observed by Negative Surface Ionization Mass Spectrometry.
Authors: DELMORE J. E.
Published: May 2016

The formation of ReO4‐ and ReO3‐ gas‐phase ions resulting from the Ln2O3 catalyzed reaction of H2O with metallic Re has been observed in situ by the title method.
ChemInform Abstract: New Results on Nitrogen Containing Apatites. Part 1. The Ln10Si6N2O24‐type Based on Cerium.
Authors: GAUDE J.
Published: May 2016

Synthesis of Ce‐based nitrogen apatites using CeO2, Si3N4, SiO2 and Si leads to various apatite phases of general formula Ce(III)10‐zCe(IV)z(SiO4‐xNx)6Oy.
ChemInform Abstract: Derivatographic Investigations of the Systems BaO‐GeO2 and BaO‐Nb2O5.
Authors: JASIM F. , JAMEEL I.
Published: May 2016

TG, DTG, and DTA curves obtained indicate that molten BaO reacts with solid GeO2 and Nb2O5 in all molar ratios yielding the mixed oxides: BaGe4O9, BaGe3O7, BaGeO3, Ba2GeO4, BaGe3O5, Ba4Nb2O9, and Ba5Nb4O15.
ChemInform Abstract: Conformational Behavior of Co‐tn Chelate Rings in Complex Compounds (tn: 1,3‐Propanediamine) and Their IR Spectra.
Authors: URUSHIYAMA A. , ITOH M. , SAITO H. , DEGEN J. , KUPKA H.
Published: May 2016

A normal‐coordinate analysis of the IR spectra of various Co(III) complexes containing equatorially oriented Co‐tn chelate rings and axial cyano, chloro, and nitrato ligands is used for a conformational analysis of the chelate rings.
ChemInform Abstract: The Strength of Sulfur‐Carbon Multiple Bonds.
Authors: GRELBIG T. , POETTER B. + , SEPPELT K.
Published: May 2016

Alkylidenesulfur tetrafluorides R2C=SF4 exhibit a strong sulfur‐carbon bond that can be described as a double bond.
ChemInform Abstract: Electrically Controlled Release of Fe(CN)4‐ 6 from Polypyrrole.
Authors: MILLER L. L. , ZINGER B. , ZHOU Q.‐X.
Published: May 2016

The anodic polymerization of pyrrole onto glassy carbon in the presence of aqueous K4Fe(CN)6 gives a polypyrrole which incorporates Fe(CN)63‐.
ChemInform Abstract: Intermediates for the Degenerate and Productive Metathesis of Propene Elucidated by the Metathesis Reaction of (Z)‐Propene‐1‐d1.
Authors: TANAKA KATSUMI , TANAKA KEN‐ICHI , TAKEO H. , MATSUMURA C.
Published: May 2016

The participation of alkylidene intermediates in the degenerate metathesis reaction of propene and the preferred configuration of metallacyclobutanes with methyl substituents are proved by measuring stereospecificity in the metathesis reaction of (Z)‐propene‐1‐d1, propene‐d6, and cis‐ and trans‐2‐butenes on MoO3/TiO2‐SnMe4 and MoO3‐x/TiO2‐SnMe4.
ChemInform Abstract: The Unexpected Regioselectivity in the Singlet Oxygen Cycloadditions to Electron‐Rich 1,3‐Butadienes.
Authors: CLENNAN E. L. , LEWIS K. K.
Published: May 2016

The reactions of the (E)‐ and (Z)‐dienes (I) and (V) with singlet oxygen are compared to the reactions of these dienes with diphenylketene (VII) and tetracyanoethylene (IX).
ChemInform Abstract: α,β‐Unsaturated Nitriles in Organic Synthesis: A Novel Synthesis of Biaryls and Azabiaryls.
Authors: ABDEL GALIL F. M. , ELNAGDI M. H.
Published: May 2016

The reactions of the dinitrile (II) with the cinnamonitrile derivatives (I), malononitrile (VIII) and trichloroacetonitrile (IX) are investigated giving rise to formation of the biaryls (III) and the azobiaryls (VII) and (X).
ChemInform Abstract: Application of Force Field Calculations. Part 7. Synthesis and Thermolysis of 1,1′‐Disubstituted trans‐Azoneopentanes. ‐ Steric and Resonance Effects of the Substituents on the Thermal Stability of Secondary Azoalkanes.
Authors: PEYMAN A. , HICKL E. , BECKHAUS H.‐D.
Published: May 2016

The ketazines (I), prepared according to literature procedures, are converted to the title compounds (II) and (III) by partial hydrogenation, as exemplified in the scheme by the syntheses of (IIa), (IIc) and (IIIa).
ChemInform Abstract: Deamination Reactions. Part 46. Decomposition of 1‐Alkenylcyclopropanediazonium Ions.
Authors: KIRMSE W. , RODE K.
Published: May 2016

The nitrosocarbamates (VI) are prepared from the acid (I) as shown in the scheme.
ChemInform Abstract: Rearrangement of Diacylamines Containing N‐Protected Amino Acids.
Authors: GRUSZECKI W. , GRUSZECKA M. , BRADACZEK H.
Published: May 2016

Contrary to the results published by Zioudrou and Fruton (1966), the reaction of Z‐glycine (Ia) and Boc‐glycine (Ib) with N‐phenylbenzimidoylchloride (II) leads not to the compounds (IV) as claimed previously but to the N‐benzoyl‐N‐acyl‐glycinanilides (Va) (no yield given) and (Vb) by way of a further (and new) rearrangement.
ChemInform Abstract: Syntheses with Cyclobutadienes. Part 18. Dewar Benzenes from Tri‐tert‐butylcyclobutadienecarboxylates and Monoacceptor‐Substituted Acetylenes ‐ Thermal and Photochemical Secondary Reactions.
Authors: WINGERT H. , IRNGARTINGER H. , KALLFASS D. , REGITZ M.
Published: May 2016

Diels‐Alder reaction between the cyclobutadienes (I) and the acetylenes (II) affords the Dewar benzenes (III); in the case of (IIIa) the regioisomer (IVa) is formed additionally.
ChemInform Abstract: Photochemically Induced Charge Separation at the Molecular Level. A Chromophore Quencher Complex Containing Both an Electron Transfer Donor and an Acceptor.
Authors: DANIELSON E. , ELLIOTT C. M. , MERKERT J. W. , MEYER T. J.
Published: May 2016

It is reported that metal‐to‐ligand charge transfer based excitation of the complex (Ru(I)2+(II)2)4+(PF6)4‐ is followed by a sequence of intramolecular events which lead with relatively high efficiency to a charge‐separated state based on the (II) and (I)2+ redox sites for which the transiently stored free energy ΔG°' is ca. 1.29 eV (transient absorbance experiments, cyclic voltammetry).
ChemInform Abstract: Polarized ESR Spectra of the Triplet Enols Generated from o‐Methylacetophenone and Related Compounds.
Authors: AKIYAMA K. , IKEGAMI Y. , TERO‐KUBOTA S.
Published: May 2016

Using a time‐resolved ESR technique, the photochemistry of o‐methylacetophenone (I) and the related compounds (II) and (III) is studied in glassy matrix.
ChemInform Abstract: The Emission Thermophotometry (ETP) of Some Amino Acids.
Authors: WENDLANDT W. W.
Published: May 2016

The emission thermophotometry curves of ten amino acids are determined in a flowing oxygen atmosphere.
ChemInform Abstract: Chemical and Enzymatic Triggering of 1,2‐Dioxetanes. Part 2. Fluoride‐ Induced Chemiluminescence from tert‐Butyldimethylsilyloxy‐Substituted Dioxetanes.
Authors: SCHAAP A. P. , CHEN T.‐S. , HANDLEY R. S. , DESILVA R. , GIRI B. P.
Published: May 2016

Photooxygenation of the adamantylidene derivatives (I) produces the 1,2‐dioxetanes (II).
ChemInform Abstract: Rapid, Low Activation Energy, Selective, Direct Reactions of Cation Radicals with Nucleophiles. An Experimental Test of Theory.
Authors: PARKER V. D. , TILSET M.
Published: May 2016

The kinetic and activation parameters for the reaction of 9‐phenylanthracene cation radicals (I) with some nucleophiles (II) are studied by derivative linear sweep voltammetry.
ChemInform Abstract: Flash Pyrolysis of 1,4‐Bis(5‐tetrazolyl)benzene. Entry to the C8H6 Energy Surface.
Authors: BAUM M. W. , FONT J. L. , MEISLICH M. E. , WENTRUP C. , JONES M. JUN.
Published: May 2016

p‐Di(cyano‐13C)benzene is converted to the title compound (I) using a modification of the method of Finnegan et al. (no details given).
ChemInform Abstract: Direct Measurement of the Rates of Reketonization of Dienolates Produced by Photochemical Enolization of β‐Alkyl α,β‐Unsaturated Ketones in Aqueous Basic Solution.
Authors: DUHAIME R. M. , WEEDON A. C.
Published: May 2016

Excitation with a UV flash of 20 μs duration of aqueous basic solutions of ketones (I)‐(IV) results in the production of the corresponding dienolates.
ChemInform Abstract: Selective Oxidations with Ceric Methanesulfonate and Ceric Trifluoromethanesulfonate.
Authors: KREH R. P. , SPOTNITZ R. M. , LUNDQUIST J. T.
Published: May 2016

Oxidation of the toluenes (I) with the Ce(IV) sulfonates (II) gives the benzaldehydes (III); ethylbenzene (IV) is oxidized to yield acetophenone (V).
ChemInform Abstract: Stereoselectivity of the Wittig Reaction. Application of a Phosphine with a Nucleophilic Group.
Authors: DANIEL H. , LE CORRE M.
Published: May 2016

The phosphonium salts (I) undergo Wittig reaction with the aldehydes (II), yielding the olefins (III).
ChemInform Abstract: Reactions of Sultones with Hydrazine Derivatives.
Authors: ZEID I. , ISMAIL I. , ABD EL‐BARY H. , ABDEL‐AZIEM F.
Published: May 2016

Propane‐1,3‐sultone (I) reacts with the hydrazides (IIa)‐(IIc) to sulfonic acids (IIIa)‐(IIIc) and with phenylhydrazine to the corresponding sulfonic acid (IV).
ChemInform Abstract: Chiral Induction in the Construction of Vicinally Substituted Cyclopentanones via the Intramolecular Conjugate Addition of Chiral β‐Keto Esters.
Authors: STORK G. , SACCOMANO N. A.
Published: May 2016

The unsaturated chiral β‐keto esters (I) are cyclized in the presence of a catalytic amount of sodium hydride to yield the vicinally substituted diastereomeric trans‐cyclopentanones (II) and (III).
ChemInform Abstract: Kinetic Studies of Chloro‐p‐nitrophenylcarbene with Acetone and Diethyl Fumarate.
Authors: LIU M. T. H. , SOUNDARARAJAN N. , ANAND S. M. , IBATA T.
Published: May 2016

Chloro‐p‐nitrophenylcarbene (II), obtained by photolysis of the diazirine (I), reacts with diethyl fumarate (III) in the presence of acetone (IV) to give the cyclopropane (V) and the dihydrofuran (VI).
ChemInform Abstract: Preparation of Both Enantiomers of a Chiral Lactone Through Combined Microbiological Reduction and Oxidation: An Application of an Enantioselective Biological Baeyer‐Villiger Reaction.
Authors: OUAZZANI‐CHAHDI J. , BUISSON D. , AZERAD R.
Published: May 2016

Microbiological reduction of the 1,4‐cyclohexanedione (I) gives the alcohol (II) stereoselectively.
ChemInform Abstract: Nucleophilic Substitution Reactions of Thienyl Neopentyl Substrates.
Authors: MCLURE F. I. , NORRIS R. K. , WILSON K.
Published: May 2016

The reactions of the title compounds (I) with some nucleophiles are studied.
ChemInform Abstract: Novel Ring‐Closing Reactions in Thermolyses of 2‐Methylene‐1,3,4‐thiadiazoline Derivatives.
Authors: FURUHATA T. , ANDO W.
Published: May 2016

The thermolysis reactions of the oxadiazoline (Ia) or the thiadiazolines (Ib) ‐ (Id) are investigated.
ChemInform Abstract: One‐Pot Synthesis of N‐Alkylpyrrolidines by 1,3‐Dipolar Cycloaddition.
Authors: IMAI N. , ACHIWA K.
Published: May 2016

The N‐(benzylidene)trimethylsilylmethylamine (I) undergoes ring closure with the unsaturated esters (II), (VI), and (VIII) in the presence of the alkyl halides (III) to give the N‐alkylpyrrolidines (IV), (V), (VII), and (IX) via N‐alkylazomethine ylides.
ChemInform Abstract: Stereochemistry of the 1,2‐Wittig Rearrangement: A Synthesis of syn‐1,3‐Diol Monoethers.
Authors: SCHREIBER S. L. , GOULET M. T.
Published: May 2016

1,2‐Wittig rearrangement of the β‐alkoxyalkyl allyl ethers (I) and (III) with butyllithium yields the syn‐1,3‐diol derivatives (II) and (IV) stereospecifically.
ChemInform Abstract: Synthesis and Antifungal Activity of 4‐Thiazol‐2‐yl‐5‐aminopyrazoles and 4‐Aminopyrazolo(3,4‐c)isothiazoles.
Authors: VICENTINI C. B. , POLI T. , MANFRINI M. , GUARNERI M. , GIORI P. , BRANDOLINI V.
Published: May 2016

Reaction of the 4‐thiocarbamoyl‐5‐aminopyrazoles (I) with phenacyl bromide (II) yields the 4‐thiazolyl derivatives (III).
ChemInform Abstract: Synthesis of Hydroxy‐Substituted 4‐Phenyl‐1,2,4‐triazoline‐3,5‐diones.
Authors: BURGERT J. , STADLER R.
Published: May 2016

The title compounds (IXa) (unstable; yield not given) and (IXb) are prepared from (I) by the sequence shown in the scheme.
ChemInform Abstract: Synthesis and Properties of the Piperidine Salts of 6‐Hydroxy‐4,6‐diaryl‐5‐ethoxycarbonyl‐3‐cyanopiperidine‐2‐thione.
Authors: KRAUZE A. A. , LIEPIN'SH E. E. , PELCHER YU. E. , KALME Z. A. , DUBUR G. YA.
Published: May 2016

The benzoylacetic acid ester (I) is cyclized with the benzaldehydes (II) and cyanothioacetamide (III) in the presence of piperidine (IV) to give the 3‐cyanopiperidine‐2‐thione salts (V).
ChemInform Abstract: A New Method for the Synthesis of 4H‐1,3‐Dioxinones via the Carboxylation of Ketone Enolates with Anisyl Cyanoformate.
Authors: HENEGAR K. E. , WINKLER J. D.
Published: May 2016

The ketones (I), (V), and (VIIIa) are coupled with anisyl cyanoformate (II), producing the β‐keto esters (III), (VI), and (VIIIb).
ChemInform Abstract: Intramolecular Oxidative‐Cycloaddition of Dihydropyrazolones.
Authors: MEDINA J. C. , CADILLA R. , KYLER K. S.
Published: May 2016

The dihydropyrazolones (I) react with lead tetraacetate, yielding the tricyclic compounds (III) by intramolecular Diels‐Alder reaction of the intermediates (II).
ChemInform Abstract: Synthesis of 1‐(3‐Halotetrahydrofuryl‐2) Derivatives of Uracil, 5‐Substituted Uracils, and Cytosine.
Authors: KAULINYA L. T. , LIDAK M. YU.
Published: May 2016

Reaction of the bis(trimethylsilyl)‐substituted uracil and cytosine derivatives (I) with the 2,3‐dihalotetrahydrofurans (II) gives the nucleoside analogues (III) ‐ (V).
ChemInform Abstract: Anomalous Reaction of Adenine and 4‐(Hydroxymethyl) Benzenediazonium Ion.
Authors: GANNETT P. M. , LAWSON T. , TOTH B.
Published: May 2016

Adenine (II) reacts with the diazonium chlorides (I) to give the triazenes (III).
ChemInform Abstract: Synthesis of 2‐Piperazino Substituted 1,4‐Naphthoquinones.
Authors: BEREZHNAYA V. N. , SHISHKINA R. P. , FOKIN E. P.
Published: May 2016

1,4‐Naphthoquinone (Ia) and its 2‐phenyl derivative (Ib), on reaction with piperazine (IIa) or its derivatives (IIb) and (IIc), afford the title compounds (III) in fair to good yields.
ChemInform Abstract: Asymmetric Syntheses via Heterocyclic Intermediates. Part 33. Asymmetric Synthesis of (Diastereomerically and Enantiomerically Virtually Pure) Methyl (2R,3S)‐threo‐2‐Amino‐3‐hydroxy‐4‐alkenoates by the Bislactim Ether Method.
Authors: SCHOELLKOPF U. + , BARDENHAGEN J.
Published: May 2016

The titanium derivative (III) of the bislactim ether (I) from cyclo(Val‐Gly) reacts with unsaturated aldehydes (IV) exclusively by 1,2‐addition in a highly diastereoselective mode to give the products (V).
ChemInform Abstract: Synthesis and Pharmacology of Some 2‐(3‐(4‐Aryl‐1‐piperazinyl)propyl)‐ 1H‐benz(de)isoquinoline‐1,3(2H)‐diones/2,5‐pyrrolidinediones.
Authors: KHADILKAR B. M. , SAMANT S. D.
Published: May 2016

The pyrrolidinediones (III) are prepared by treatment of succinic anhydride (I) with the appropriate amines (II).
ChemInform Abstract: Facile Synthesis of 2,3‐Dihydroimidazo Pyridines and Pyrimidines.
Authors: MUNAVALLI S. , HSU F.‐L. , POZIOMEK E. J.
Published: May 2016

2‐Aminopyridine (I) reacts with diiodomethane (II) to give N,N'‐methyleno‐2,2'‐azapyridocyanine (III).
ChemInform Abstract: Isolation and X‐Ray Crystal Structure of the Boron Methylidenide Ion (Mes2BCH2)‐ (Mes: 2,4,6‐Me3C6H2): A Boron‐Carbon Double Bonded Alkene Analogue.
Authors: OLMSTEAD M. M. , POWER P. P. , WEESE K. J. , DOEDENS R. J.
Published: May 2016

The title anion can be crystallized when the crown ether is added to the THF solution of its Li salt, generated by in situ deprotonation of (I).
ChemInform Abstract: Chemistry of Boron. Part 183. Synthesis and Structure of Methyleneboranes: Amino(9‐fluorenylidene)boranes.
Authors: GLASER B. , HANECKER E. , NOETH H. + , WAGNER H.
Published: May 2016

Metastable amino(9‐fluorenylidene)boranes can be obtained by dehydrohalogenation of corresponding aminohaloboranes with bulky amino groups as is shown for the examples (II), (Va) and (Vb).
ChemInform Abstract: Chemistry of Boron. Part 184. Pentacarbonylmetal Complexes of (tert‐Butylimino)(2,2,6,6‐tetramethylpiperidino)borane.
Authors: NOETH H. + , RATTAY W. , WIETELMANN U.
Published: May 2016

Photolysis of the aminoiminoborane (I) in the presence of the metal carbonyls (II) yields the title compounds (III).
ChemInform Abstract: Chemistry of Boron. Part 185. Reactions of Metal Carbene Complexes with (tert.‐Butylimino)(2,2,6,6‐tetramethylpiperidino)borane.
Authors: NOETH H. + , WIETELMANN U.
Published: May 2016

Reaction of the aminoiminoborane (I) with dimethyltitanocene (II) in hot toluene yields the deep‐blue compound (III) in excellent yield.
ChemInform Abstract: Hydrosilylation of Heterocyclic Aldehydes.
Authors: IOVEL' I. G. , GOL'DBERG YU. SH. , SHIMANSKAYA M. V. , LUKEVITS E.
Published: May 2016

The hydrosilylation of the heterocyclic aldehydes (III) and (VI) with triethylsilane (V) in the presence of various organometallic catalysts is investigated.
ChemInform Abstract: 4‐Hydroxy‐1,3λ3‐azaphospholes.
Authors: MAERKL G. + , DORFMEISTER G.
Published: May 2016

The mesoionic heterocycles (I) and (IV) react with tris(trimethylsilyl)phosphine (II) to give the azaphospholes (III) or the thiaphospholes (V).
ChemInform Abstract: 1,3λ3‐Azaphosphinines by Reaction of 3‐Azapyrylium Salts with Tris(trimethylsilyl)phosphane.
Authors: MAERKL G. + , DORFMEISTER G.
Published: May 2016

The 3‐azapyrylium tetrafluoroborates (I) react with tris(trimethylsilyl)phosphine (II) to produce the azaphosphinines (III).
ChemInform Abstract: Four‐ and Five‐Membered Phosphorus Heterocycles. Part 72. Selective Metallation at 5‐Position of 1‐Methyl‐1,2,4‐diazaphospholes.
Authors: KERSCHL S. , WRACKMEYER B. , WILLHALM A. , SCHMIDPETER A.
Published: May 2016

The compound (I) mentioned in the title reacts with butyllithium (II) to yield the 5‐lithio derivative (III) which can be converted into 5‐alkyl and 5‐stannyl derivatives (Va) and (Vb).
ChemInform Abstract: Synthesis and Characterization of Aryldihalo(dialkyl dithiophosphato)tellurium(IV) and Diarylbis(dialkyl dithiophosphato)tellurium(IV). Crystal Structures of p‐MeOC6H4TeBr2(S2P(OMe)2) and Ph2Te(S2P(OMe)2)2.
Authors: CHADHA R. K. , DRAKE J. E. , MCMANUS N. T. , QUINLAN B. A. , SARKAR A. B.
Published: May 2016

The title compounds (I) and (II) are synthesized from the ammonium and sodium salts of the O,O'‐dialkyldithiophosphoric acids and the appropriate aryltellurium trihalides or diaryltellurium dichlorides in CS2 and characterized by elemental analysis, 1H NMR, IR, and Raman spectroscopy.
ChemInform Abstract: Interactions of a Diarylmagnesium Compound with Cryptands and Crown Ethers: Formation of Ar3Mg‐, ArMg(cryptand)+, and Threaded Ar2Mg(crown ether).
Authors: RICHEY H. G. JUN. , KUSHLAN D. M.
Published: May 2016

On reaction of a 2:1 mixture of solid Mg(tol)2 (tol: p‐tolyl) and 221‐cryptand the 1H NMR spectrum indicates the presence of a complex (Mg(tol)(221‐cryptand))+ and (Mg(tol)3)‐, a type of ion not having been observed previously.
ChemInform Abstract: Diastereoselective Deoxymercuration in an Acyclic System. A Remarkable Assistance by the Neighboring Carbonate Group.
Authors: LILITKARNTAKUL S. , HIRAMA M. , ITO S.
Published: May 2016

The derivatives (I) of homoallylic alcohols are converted to the 1,3‐diols (II) by an oxymercuration/deoxymercuration sequence.
ChemInform Abstract: The Synthesis, Reactions, and Molecular Structure of Zirconocene‐Alkyne Complexes.
Authors: BUCHWALD S. L. , WATSON B. T. , HUFFMAN J. C.
Published: May 2016

A general route to zirconocene complexes of both terminal and internal acyclic alkynes is developed.
ChemInform Abstract: Oxalamide and Dithiooxalamide Metal Complexes. Part 5. Synthesis and Crystal Structure Determinations of Tetrabromo(N,N′‐di‐tert‐butyloxalamide‐OO′)tin(IV)‐tetrahydrofuran (1/1) and Tetrabromo(N,N′‐dimethylsuccinamide‐OO′)tin(IV)‐tetrahydrofuran (1/1).
Authors: CLAIRE P. P. K. , WILLEY G. R. , DREW M. G. B.
Published: May 2016

The title compounds (I) and (II) are obtained by the addition of SnBr4 to the amide ligands in CH2Cl2 and recrystallization from THF (no yield given for (II)).
ChemInform Abstract: Multiple Bonds Between Transition Metals and Main Group Elements. Part 37. “Naked” Lead in a Planar Environment.
Authors: KNEUPER H.‐J. , HERDTWECK E. , HERRMANN W. A.
Published: May 2016

Treatment of the heterocumulene‐type MnPbMn precursor (I) with (II) yields a mixture from which the novel Mn3Pb complex (III) can be isolated.
ChemInform Abstract: α‐Metallated Vinyl Carbanionoids. Part 3. Reactions of α‐Triorganostannylvinyllithiums with Group IVB Organometallic Halides: Formation of α‐Trimethylplumbylvinyllithiums.
Authors: MITCHELL T. N. , REIMANN W.
Published: May 2016

The bisstannylalkenes (I) react with methyllithium and the organometallic chlorides (II) to give the substituted stannylalkenes (III).
ChemInform Abstract: In(III), Tl(III), and V(IV) Tris‐chelates of the Heterocyclic Dithiolene and Diselenolene Ligands 1,3‐Dithiole‐2‐thione‐4,5‐dithiolate (dmit), 1,2‐Dithiole‐3‐thione‐4,5‐dithiolate (dmt), and 1,3‐Diselenole‐2‐selone‐4,5‐diselenolate (dsis). Crystal and Molecular Structure of (Bu4N)2(V(dmt)3).
Authors: OLK R.‐M. , DIETZSCH W. , KIRMSE R. , STACH J. , HOYER E. , GOLIC L.
Published: May 2016

The title complexes (I)‐(III) are prepared starting with alkali salts of the ligands either isolated before or in situ solution obtained by saponification of the dibenzoyl compounds (using methanolic sodium (or potassium) methanolate) and MCl3 (M: In, V) or (TlCl4)‐ and isolated as their AsPh4‐ or NBu4‐ salts.
ChemInform Abstract: The Coordination of Small Molecules by Manganese(II) Phosphine Complexes. Part 13. The Synthesis and Characterization of Some Novel Manganese(II) Complexes of Tertiary Butylisocyanide, MnX2(CNtBu) (X: Cl, Br, I, NCS), and Their Reaction with Tri(n‐butyl)phosphine and Molecular Oxygen.
Authors: BENSON C. G. , MCAULIFFE C. A. , MACKIE A. G. , TANNER S. P.
Published: May 2016

The novel title complexes are prepared by a direct one‐process reaction of the corresponding manganese(II) salts with butylisocyanide under anhydrous conditions.
ChemInform Abstract: Conversion of an Electron‐Rich Triple Bond to a Double Bond by Oxidative Addition of Diphenyl Diselenide to Re2Cl4(μ‐dppm)2. Preparation and Characterization of Re2Cl4(μ‐SePh)2(μ‐dppm)2 (dppm: Bis(diphenylphosphino)methane).
Authors: COTTON F. A. , DUNBAR K. R.
Published: May 2016

The dirhenium(II) complex (I) with a σ2π4δ2δ*2 triple bond undergoes a reaction with the diselenide (II) to produce the air‐stable title complex (III).
ChemInform Abstract: Perhalogenated Tetraphenylhemins: Stable Catalysts of High Turnover Catalytic Hydroxylations.
Authors: TRAYLOR T. G. , TSUCHIYA S.
Published: May 2016

The known Zn complex (I) undergoes a simple bromination (NBS, CCl4, reflux) to give the Zn complex (71% yield) of its octabromo derivative.
ChemInform Abstract: Subsite‐Specific Functionalization of the (4 Fe‐4 S)2+ Analogue of Iron‐Sulfur Protein Clusters.
Authors: STACK T. D. P. , HOLM R. H.
Published: May 2016

The semi‐rigid tridentate ligand (IIIc) is prepared from the benzene (I) in three steps.
ChemInform Abstract: Chiral Metal Complexes. Part 25. Cobalt(III) Complexes of Some Linear Mesomeric Tetramine Ligands.
Authors: FENTON R. R. , VAGG R. S. , JONES P. , WILLIAMS P. A.
Published: May 2016

The complex (III) (as a mixture (1.0:0.3) with its Δ,β‐isomer) and its congeners (IV) and (V), as well as (VI) and (VII) are prepared from CoCl2 and the appropriate tetramine ligands.
ChemInform Abstract: An Open‐Mode Nickel Dimer Based on a Binucleating Hexaphosphine Ligand System. Solid‐State and Solution Conformations.
Authors: LANEMAN S. A. , STANLEY G. G.
Published: May 2016

The reaction of 2 equiv. of NiCl2·6 H2O with the known hexakis(tert. phosphine) ligand in EtOH yields the diamagnetic binuclear complex (Ia) quantitatively.
ChemInform Abstract: FTIR Matrix Isolation Studies of the Reactions of Atomic and Diatomic Nickel with Acetylene in Solid Argon. The Photosynthesis of Nickel Vinylidene.
Authors: KLINE E. S. , KAFAFI Z. H. , HAUGE R. H. , MARGRAVE J. L.
Published: May 2016

The reactions between atomic nickel and acetylene are investigated in argon matrices at 12 K with Fourier‐transform IR spectroscopy.
ChemInform Abstract: Models for Met‐Hemocyanin Derivatives: Structural and Spectroscopic Comparisons of Analogous Phenolate and X (X: OH‐, OMe‐, N‐ 3, Cl‐, OAc‐, OBz‐) Doubly Bridged Dinuclear Copper(II) Complexes.
Authors: KARLIN K. D. , FAROOQ A. , HAYES J. C. , COHEN B. I. , ROWE T. M. , SINN E. , ZUBIETA J.
Published: May 2016

Addition of dioxygen to the known complex (I) containing three‐coordinate Cu(I) in CH2Cl2(DMF) or MeOH results in hydroxylation of the m‐xylyl dinucleating ligand, producing the phenolate‐bridged Cu(II) complexes (IIa) and/or (IIb).
ChemInform Abstract: Preparation and Structure of Poly‐bis(μ‐diphenylphosphinato)copper(II).
Authors: BINO A. , SISSMAN L.
Published: May 2016

The title compound(III) crystallizes in the space group C2/c with Z=4 and consists of infinite chains.
ChemInform Abstract: Synthesis and Reactivity of Five‐Coordinate (Porphinato)(tertiary phosphine)ruthenium(II) Complexes.
Authors: SISHTA C. , CAMENZIND M. J. , JAMES B. R. , DOLPHIN D.
Published: May 2016

The complex (IIa), prepared from (Ia), on pyrolysis loses phosphine and forms (IIIa) quantitatively.
ChemInform Abstract: Synthesis, Reactivity, and Electrochemical Characterization of ((η5‐C5H5)Ru(η7‐C7H7))(PF6)2 and ((η5‐C5H5)Ru(η6‐C7H8))(PF6).
Authors: MCNAIR A. M. , BOYD D. C. , BOHLING D. A. , GILL T. P. , MANN K. R.
Published: May 2016

The title complex (I) is readily prepared from (Ru(C5H5)(MeCN)3)PF6 (A) and cycloheptatriene in MeCN and is similar in characteristics to the previously reported Fe analogue.
ChemInform Abstract: Polyaza Cavity‐Shaped Molecules. Part 8. Ruthenium(II) Complexes with 3,3′‐Annelated Derivatives of 2‐(2′‐Pyridyl)‐quinoline and 2‐(2′‐Pyridyl)‐1,8‐naphthyridine.
Authors: THUMMEL R. P. , DECLOITRE Y.
Published: May 2016

The title complexes (I) are prepared by reaction of cis‐RuCl2(bipy)2 (bipy: 2,2‐bipyridine) with the N,N‐coordinating ligands L in EtOH/water (1:1) under reflux (12‐20 h) and isolated as their PF6‐ salts.
ChemInform Abstract: Geometric Changes Occurring on Silver Chloride Binding by the Metallamacrocycle Rh2(CO)2Cl2(μ‐(Ph2PCH2)2AsPh)2.
Authors: BALCH A. L. , GHEDINI M. , ORAM D. E. , REEDY P. E. JUN.
Published: May 2016

One equiv. of solid AgCl dissolves in CH2Cl2 solution of the title metallamacrocycle (I) to yield the complex (III).
ChemInform Abstract: Reactions of a Coordinatively Unsaturated Rhodium Hydride Complex with Isocyanides. Preparation and Dynamic Behavior of (μ‐H)2(RNC)Rh2(P(O‐iPr)3)4 and (μ‐RNC)2Rh2(P(O‐iPr)3)4.
Authors: MCKENNA S. T. , MUETTERTIES E. L.
Published: May 2016

The reaction of the coordinatively unsaturated binuclear complex (I) with isocyanides gives unsymmetrical complexes with one trigonal‐bipyramidal and one square‐pyramidal Rh center.
ChemInform Abstract: Reactivity of Cyclopalladated Compounds. Part 14. Alkyne Insertion Into the Pd‐C Bond of a Metallacycle Stabilized by a Weak O → Pb Bond Leading to an Unusual (η2‐Aryl) → Pd Interaction. Molecular Structure of Bicyclic (NC9H6CH2C(CF3)=C(CF3))Pd(C(CF3)=C(CF3)(η2‐C10H6)OCH3).
Authors: OSSOR H. , PFEFFER M. , JASTRZEBSKI J. T. B. H. , STAM C. H.
Published: May 2016

The reaction of the compounds (I) with an excess of the butyne (II) leads to the organometallic compounds (III) via opening of the labile intramolecular O‐Pd bond and via insertion of the alkyne into the two Pd‐C bonds.
ChemInform Abstract: Synthesis, Structure Determination, and Electronic Structure Characterization of Two Mixed‐Valence Tetranuclear Platinum Blues with Bridging α‐Pyridonate or 1‐Methyluracilate Ligands.
Authors: O'HALLORAN T. V. , MASCHARAK P. K. , WILLIAMS I. D. , ROBERTS M. M. , LIPPARD S. J.
Published: May 2016

A tetranuclear head‐to‐head Pt(II) complex analogue of (II) is oxidized by addition of nitric acid to give the cis‐diammineplatinum 1‐methyluracil blue (II).
ChemInform Abstract: Novel Bissesquiterpene Lactones from Helenium autumnale L.
Authors: MATUSCH R. , HAEBERLEIN H. +
Published: May 2016

The two lactones (III) and (IV) are identified in an n‐pentane root extract.
ChemInform Abstract: Synthesis of p‐Camphorene.
Authors: VIG O. P. , KAD G. L.
Published: May 2016

The cyclohexenecarbonitrile (I) produces the methyl ester (II) on alcoholysis.
ChemInform Abstract: Synthesis of Allylic Phosphonates of Biological Interest.
Authors: MONTERO J.‐L. , CLAVEL J.‐L. , IMBACH J.‐L.
Published: May 2016

The alkenyl bromides (I) react with the trisilyl phosphites (II), producing the phosphonates (III).
ChemInform Abstract: Reactions of 5‐Hydroxy‐6‐oxosteroids. Part 7. New Reagent for the Westphalen‐Type Rearrangement of 5α‐Hydroxy‐6‐oxosteroids.
Authors: SZCZEPEK W. J.
Published: May 2016

The title rearrangement of the steroids (I) yields the products (II).
ChemInform Abstract: Total Synthesis of 12α‐ and 12β‐Carboxylated Estrogens via the Thermal Elimination of β‐Ketosulfoxide.
Authors: KUROSAWA T. , NIITSU U. , TOHMA M.
Published: May 2016

Alkylation of the keto sulfoxide (I) with methyl bromoacetate (II) and subsequent elimination reaction produce the enone ester (IV) which is cyclized to form a mixture of the estrapentaenones (VII) after addition of 2‐methylcyclopentane‐1,3‐dione (V).
ChemInform Abstract: BF3‐Catalyzed Beckmann Rearrangement of Steroidal Unsaturated Ketoximes.
Authors: SHAFIULLAH SHAFIULLAH , ANSARI J. A.
Published: May 2016

Beckmann rearrangement of the steroidal ketoximes (I) produces a mixture of the unsaturated lactams (II) and (III).
ChemInform Abstract: Chemistry of Opium Alkaloids. Part 24. Synthesis of 7,8‐Didehydro‐3,4‐dimethoxy‐17‐methylmorphinan‐6‐one and the Regioselective Reduction of the Keto Function.
Authors: VAN GURP R. A. , LIE T. S. , MENSE C. , MAAT L.
Published: May 2016

The title compound (IIIa), prepared from codeinone (I), is reduced to give the α‐alcohol (IIIb) as major product.
ChemInform Abstract: Improved Procedure for Conversion of Penicillin V Into Monocyclic β‐Lactams.
Authors: DAVIS M. , WU W.‐Y.
Published: May 2016

The so‐called Kamiya compound ‐ (3R,4R)‐4‐(benzothiazol‐2'‐yldithio)‐3‐phenoxyacetamidoazetidin‐2‐one (VI) ‐ is prepared by an improved procedure.
ChemInform Abstract: NQR Studies on Adducts of SbCl3 and SbCl5. 35Cl and 121,123Sb NQR Spectroscopic Studies of the Interaction Between SbCl3 or SbCl5 and the Phosphoryl or Thiophosphoryl Chlorides
Authors: KRAVCHENKO E. A. , BURTSEV M. YU. , MEISEL M.
Published: May 2016

POCl3, P2O3Cl4, and P2OS2Cl4 establish the formation of the adducts SbCl3·2 POCl3 and SbCl5·P2OS2Cl4.
ChemInform Abstract: Characterization of Cadmium Selenide Electrodeposited from Diethylene Glycol Solution Containing Tri‐n‐Butylphosphine Selenide
Authors: SANDERS B. W. , COCIVERA M.
Published: May 2016

at 160 °C. The CdSe films obtained by the title method are less dense than those prepared using selenosulfite.
ChemInform Abstract: Electrochemical Characteristics of Fluorinated Activated Carbon Fibers‐Lithium Cells.
Authors: TOUHARA H. , KADONO K. , WATANABE N. , BRACONNIER J.‐J.
Published: May 2016

Activated carbon fibers (ACF's), fluorinated at low temp. (20‐200 °C) under F2 pressures of 100‐760 torr, have been investigated as cathode materials for Li cells in 1 M LiClO4‐propylene carbonate solutions.
ChemInform Abstract: Electrocatalysis and Inductive Effects at the Gas, Pt/Stabilized Zirconia Interface.
Authors: SCHOULER E. J. L. , KLEITZ M.
Published: May 2016

It is shown that electrocatalyzed reactions at the gas, Pt/yttria‐stabilized zirconia (YSZ) electrode can occur at both the anode (O2 evolution reaction) and the cathode (H2O vapor reduction).
ChemInform Abstract: Oxide Catalysts. Part 44. Influence of Thermal Treatment on the Catalytic Behavior of Modified ZSM‐5 Zeolites.
Authors: WENDLANDT K.‐P. , RESCHETILOWSKI W. , UNGER B. , WEBER M. , BREMER H.
Published: May 2016

It is shown that catalytic activity, shape selectivity, and deactivation behavior of ZSM‐5 in paraffin cracking reactions can be influenced by thermal pretreatment.
ChemInform Abstract: Synthesis, Structure, and Reactivity of the Alkaline Earth Metal Hydrogen Sulfates of Mg, Ca, Sr, and Ba.
Authors: KEMNITZ E. , WORZALA H. , HASS D. , KAMMLER M.
Published: May 2016

The pure compounds M(HSO4)2 (M: Ba, Sr, Mg) are prepared using known procedures and shown to be real hydrogensulfates by X‐ray analysis.
ChemInform Abstract: Na5AlF2(PO4)2: Synthesis, Crystal Structure and Ionic Conductivity.
Authors: ARLT J. , JANSEN M. , KLASSEN H. , SCHIMMEL G. , HEYMER G.
Published: May 2016

The new title compound can be obtained by two independent procedures: 1. precipitation from an aqueous solution of Na2HPO4 and AlF3 (77.6% yield) and 2. solid state reaction of Na2HPO4·2 H2O, Na3PO4·12 H2O, AlF3·3 H2O, and Al(OH)3 at 1000 °C (100 °C steps with residence times of 30 min) and cooling during 24 h. Na5AlF2(PO4)2 crystallizes in the trigonal system, space group P3, Z=3.
ChemInform Abstract: Protonation of 1,4‐Bis(alkylamino)benzo(g)phthalazine. Crystal Structure of Di‐(1,4‐bis‐(3‐methoxypropylamino)‐3(2)H‐benzo(g)phthalazinium) Tetrachlorocobaltate Monohydrate.
Authors: CAMPAYO L. , NAVARRO P. , CANO F. H. , FOCES‐FOCES C.
Published: May 2016

Nucleophilic substitution of the dichlorobenzo(g)phthalazine (I) with 3‐methoxypropylamine (II) gives the hydrochloride (III) which may be transformed to the free base.
ChemInform Abstract: Structure and Dynamics of Crowns Containing the Phenyldinaphthylmethane Subunit (a Three‐Bladed Propeller): Observations of Correlated Rotation of the Propeller Blades and Certain Ether Segments.
Authors: LOCKHART J. C. , MCDONNELL M. B. , CLEGG W. , HILL M. N. S.
Published: May 2016

Following a previously published method the crowns (I) are prepared from the respective benzylidene‐bis(2‐naphthol) in THF, NaH, and the appropriate α,ω‐bis(tosyloxy)‐polyoxaalkane in THF (20 h reflux; no yields given).
ChemInform Abstract: The Structure and Barrier to Inversion of Tetrasilabicyclo(1.1.0)butane. Comparison to Bicyclo(1.1.0)butane.
Authors: COLLINS S. , DUTLER R. , RAUK A.
Published: May 2016

Full gradient optimization at the RHF level of theory using 6‐31G* basis set leads, after correction for correlation energy differences up to MP3 and inclusion of zero‐point vibrational energies, to a barrier to ring inversion of 75 kJ/mol for the tetrasila compound and of about 300 kJ/mol for bicyclo(1.1.0)butane.
ChemInform Abstract: Surface Reactions. Part 8. Decarbonylations on Nickel‐Carbon Catalysts.
Authors: BOCK H. , BREUER O.
Published: May 2016

The fission of crotonaldehyde (I) is studied as a model reaction using quartz wool, metal powders, and carrier‐deposited catalysts.
ChemInform Abstract: Effect of H‐Donor and Temperature on the Stereoselectivity of Radical Reactions.
Authors: GIESE B. , GONZALEZ‐GOMEZ J. A. , LACHHEIN S. , METZGER J. O.
Published: May 2016

Using vinyl radical (II) formed by addition of cyclohexyl radicals to phenylacetylene as an example it is demonstrated that variation of the H‐donor as well as of the reaction temp. (‐20 to 260 °C) affects the (Z)/(E) relation of products (I) and (III), which may even be reversed.
ChemInform Abstract: The Effects of Single‐ and Twin‐Tailed Ionic Surfactants Upon Aromatic Nucleophilic Substitution.
Authors: CIPICIANI A. , GERMANI R. , SAVELLI G. , BUNTON C. A. , MHALA M. , MOFFATT J. R.
Published: May 2016

Reactions of OH‐ with 2,4‐dinitro‐1‐chloro‐benzene and ‐naphthalene are examined in solutions of didodecyldimethylammonium chloride and hydroxide.
ChemInform Abstract: Et3B‐Induced Radical Addition of R3SnH to Acetylenes and Its Application to Cyclization Reaction.
Authors: NOZAKI K. , OSHIMA K. , UTIMOTO K.
Published: May 2016

The trialkylborane mediated addition of stannanes such as (II) to acetylenes (I) or (V) yields the isomeric products (III) + (IV) or (VI) + (VII).
ChemInform Abstract: Photo‐CIDNP in the Vacuum‐UV: Di‐tert‐butyl Ether and 2,2,5,5‐Tetramethyltetrahydrofuran in Aqueous Solution.
Authors: HILDENBRAND K. , SCHUCHMANN H.‐P. , VON SONNTAG C.
Published: May 2016

When irradiated with 193 nm (ArF excimer laser), non‐aqueous solutions (neat ether or in cyclo‐C6D12) as well as aqueous solutions of prim., sec., or mono‐tert. ethers show no polarized NMR signals.
ChemInform Abstract: Effect of Ring Size on the Basicity and Kinetic Behavior of 1,5‐Dimethylnaphtho(1,8‐bc)‐1,5‐diazacycloalkanes.
Authors: HIBBERT F. , SIMPSON G. R.
Published: May 2016

The basicities and rates of proton transfer for compounds (II) and (III) are determined and considered in comparison with the results obtained for (I).
ChemInform Abstract: Selective C‐C Bond Hydrogenation in Unsaturated Nitro Compounds in the Presence of the RhCl3‐Aliquat 336 Catalyst System.
Authors: AMER I. , BRAVDO T. , BLUM J. , VOLLHARDT K. P. C.
Published: May 2016

The m‐alkenylnitrobenzenes (I) and the nitroalkenylbenzene (IV) are hydrogenated in the presence of a RhCl3/phase transfer catalyst system, producing the compounds (III) or (V) as a result of hydrogenation in the side chain.
ChemInform Abstract: Novel Base‐Promoted Rearrangement of 2‐(4‐Cyano‐, 2‐Nitro‐, and 4‐Nitrobenzyloxy)tropones and 2‐(2‐Oxo‐2‐phenethyloxy)tropone to 2‐((4‐Cyano‐, 2‐Nitro‐, and 4‐Nitrophenyl)hydroxymethyl)tropones and 2‐(1‐Hydroxy‐2‐oxo‐2‐phenethyl)tropone.
Authors: TAKESHITA H. , MORI A. , SUIZU H.
Published: May 2016

Reaction of the tropolonate (I) with the benzylhalogenides (II) or (VI) affords the benzyloxytropones (III) as main products.
ChemInform Abstract: The Convergent (AB + CD) Route to 9‐Acetyl‐7,8,9,10‐tetrahydronaphthacenedione.
Authors: RAVICHANDRAN K. , GOSCINIAK D. J. , CAVA M. P.
Published: May 2016

The bis(bromomethyl)dihydrothiophene dioxide (I), derived from 2,3‐dimethyl‐1,3‐butadiene, reacts with methyl vinyl ketone (II), forming the thermally labile hexahydrobenzothiophene dioxide (III).
ChemInform Abstract: High‐Pressure‐Promoted (2 + 2) Cycloadditions of Imines with Electron‐ Rich Alkenes. A Simple Route to Azetidines and β‐Amino Carbonyl Compounds.
Authors: ABEN R. W. M. , SMIT R. , SCHEEREN J. W.
Published: May 2016

The imines (I) undergo (2 + 2)cycloaddition with the enamines (II) under high pressure to form the azetidinones (III), which are unstable at normal pressure in most cases.
ChemInform Abstract: Reactions of Electron‐Rich Heterocycles with Orthocarboxylic Acid Derivatives. Part 9. Proton‐Catalyzed Reactions of Physiologically Active 3‐Substituted Indoles with Triethyl Orthoformate.
Authors: PINDUR U. , MUELLER J. +
Published: May 2016

The 3‐aminoalkylindoles (I) react with excess orthoformate (II) in the presence of catalytic amounts of sulfuric acid, producing only moderate yields of the tris(indolyl)methanes (IV).
ChemInform Abstract: Synthesis and Antiviral Activity of 2‐Alkylaminomethyl Derivatives of 5‐Hydroxyindole.
Authors: GRINEV A. N. , PANISHEVA E. K. , CHERKASOVA A. A. , FOMINA A. N. , NIKOLAEVA I. S. , GOLOVANOVA E. A. , IL'INA M. G.
Published: May 2016

Starting with the bromomethyl compound (I), the aminomethyl derivatives (III), (IV), and (VI) are prepared as shown in the reaction scheme.
ChemInform Abstract: Oxygen‐Containing Heterocycles. Part 17. Synthesis and Anticonvulsive Activity of Cyclic Imides and Amines from 2‐Carboxy‐1,3‐benzodioxole‐2‐ acetic Acid.
Authors: VARTANYAN S. O. , AVAKYAN A. S. , SARKISYAN L. M. , AKOPYAN N. E. , MARKARYAN E. A.
Published: May 2016

Starting with the benzodioxole derivative (I), the spirocyclic imides (VI) and amines (VII) are prepared as shown in the reaction scheme.
ChemInform Abstract: Observations on the Reactions of Isocyanoacetate Esters with Isothiocyanates and Isocyanates.
Authors: SOLOMON D. M. , RIZVI R. K. , KAMINSKI J. J.
Published: May 2016

Cyclization of the thiocyanates (II) and (VI) with the isocyanoacetate (I) gives the thiazoles (III) and (VIIa); the unstable thiol (IV) which is also produced is oxidized, forming the disulfide (V).
ChemInform Abstract: Facile Hetero‐Diels‐Alder Reaction of α,β‐Unsaturated Acyl Cyanides and Enol Ethers: Syntheses of 2‐Alkoxy‐3,4‐dihydro‐2H‐pyran‐6‐carbonitriles.
Authors: JOHN R. A. , SCHMID V. , WYLER H.
Published: May 2016

The reaction of (I) or the nitrile generated in situ from (IV) with enol ethers (II) or (VII) proceeds with high endo selectivity to yield the title compounds (III), (VI) and (VIII)/(IX).
ChemInform Abstract: Synthesis and Antirhinovirus Activity of Halogen‐Substituted Isoflavenes and Isoflavans.
Authors: BURALI C. , DESIDERI N. , STEIN M. L. , CONTI C. , ORSI N.
Published: May 2016

The isoflavenes (III) are synthesized as shown in the scheme.
ChemInform Abstract: On the Structure of 2,6‐Dicyanopiperidines: A Correction.
Authors: BONIN M. , CHIARONI A. , RICHE C. , BELOEIL J.‐C. , GRIERSON D. S. , HUSSON H.‐P.
Published: May 2016

The dicyanopiperidines (III) are prepared from glutaraldehyde (I), the amines (II), and KCN in the presence of zinc bromide or sodium bisulfite.
ChemInform Abstract: New “Proton Sponges”. Part 4. Quino(7,8‐h)quinoline, a New Type of “Proton Sponge”.
Authors: ZIRNSTEIN M. A. , STAAB H. A.
Published: May 2016

The pKa value of the title compound (IIIb) is estimated to be 12.8.
ChemInform Abstract: Sulfur Analogues of Deoxyvasicinone.
Authors: DUNN A. D. , NORRIE R.
Published: May 2016

The thioanalogue (IIIa) of deoxyvasicinone (IX) is prepared, as well as the homologues (IIIb) and (IIIc) in order to explore their chemistry.
ChemInform Abstract: Hydrogenation and Hydrosilylation of Quinoxaline by Homogeneous Rhodium Catalysts.
Authors: MURATA S. , SUGIMOTO T. , MATSUURA S.
Published: May 2016

Homogeneous hydrogenation and hydrosilylation of the 2‐methylquinoxaline (I) is achieved in the presence of the rhodium catalyst (II), producing the methyltetrahydroquinoxaline (III) and the bissilyl derivative (V) which is desilylated, directly forming (III).
ChemInform Abstract: Synthesis and Biological Activity of N‐Substituted Perhydro‐1,4‐thiazine 1‐Oxides.
Authors: TROFIMOV B. A. , NIKOL'SKAYA A. N. , GUSAROVA N. K. , KAZIMIROVSKAYA V. B. , AMOSOVA S. V. , BELOGORLOVA N. A. , CHERNYSHEVA N. A. , LEVINA M. N. , SHELKOVA T. V. , GENDIN D. V. , VORONKOV M. G.
Published: May 2016

The perhydrothiazine oxides (III) are prepared from divinyl sulfoxide (I) and the primary amines (II).
ChemInform Abstract: Heteroanalogous Deazapurines via Novel (4 + 2) Cycloaddition Reactions of Ketenimines.
Authors: KOLLENZ G. , PENN G. , OTT W. , PETERS K. , PETERS E.‐M. , VON SCHNERING H. G.
Published: May 2016

Cycloaddition reaction of the heterocyclic diones (I) with the ketenimines (II) yields the furo‐ and thienopyridines (III), the furooxazine (IV), or the furothiazines (V).
ChemInform Abstract: Reactions with 4‐(Cyanoacetyl)phenazone: Synthesis of Novel Thiazole, Hydrazinopyrazole and Pyrazolo(5,1‐c)(1.2.4)triazine Derivatives.
Authors: ELAGAMEY A. G. A. , EL TAWEEL F. A. , AMER F. A. , ZOOROB H. H.
Published: May 2016

4‐(Cyanoacetyl)phenazone (I) reacts with mercaptoacetic acid (II) to give the hydroxythiazole (III).
ChemInform Abstract: Photolactonization: a Novel Synthetic Entry to Macrolides.
Authors: QUINKERT G. , BILLHARDT U.‐M. , JAKOB H. , FISCHER G. , GLENNEBERG J. , NAGLER P. , AUTZE V. , HEIM N. , WACKER M. , SCHWALBE T. , KURTH Y. , BATS J. W. , DUERNER G. + , ZIMMERMANN G. , KESSLER H.
Published: May 2016

o‐Quinol acetates such as (I) or (VI)/(VII), hydroxylated at C‐6, are easily accessible from simple phenols by Wessely acetoxylation (preferentially catalyzed by BF3).