bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Intramolecular Reactions of 2‐Propynylsilanes with N‐Acyliminium Ions. Cuprate SN2′‐Reactions of the Allenic Products as a Route to trans‐Fused Carbobicycles.
Authors: KLAVER W. J. , MOOLENAAR M. J. , HIEMSTRA H. , SPECKAMP W. N.
Published: May 2016

Azabicyclic and ‐tricyclic systems containing an allene functionality such as (IV), (VI) and (XI) (11 examples overall) are prepared by the intramolecular title reaction.
ChemInform Abstract: Acid‐Catalyzed Cyclizations of Aromatic Diazoacetamides: Synthesis of Spirodienone Lactams, Isoquinolinones, and Benzazepinones.
Authors: RISHTON G. M. , SCHWARTZ M. A.
Published: May 2016

The diazoacetamides (I) are treated with trifluoroacetic acid to yield either the spiro‐fused lactams (II) or the isoquinolines (IIIb) ‐(IIIe) and the benzazepinones (IIIf) respectively depending on the temperature and the reaction time.
ChemInform Abstract: Telluramine Derivatives as Selective Oxidants.
Authors: BARTON D. H. R. , FINET J.‐P. , GIANNOTTI C. , THOMAS M.
Published: May 2016

The anisyltellurium trichloride (I) is converted to the morpholino derivative (III).
ChemInform Abstract: Nitration by Oxides of Nitrogen. Part 1. Preparation of Nitrate Esters by Reaction of Strained‐Ring Oxygen Heterocycles with Dinitrogen Pentoxide.
Authors: GOLDING P. , MILLAR R. W. , PAUL N. C. , RICHARDS D. H.
Published: May 2016

The epoxides (I) and the oxetanes (VI) are cleaved with dinitrogen pentoxide (II), generated from dinitrogen tetroxide with ozone, to give the dinitrates (III) or (VII).
ChemInform Abstract: Silafunctional Compounds in Organic Synthesis. Part 40. Metalated (Allyl)aminosilanes: A γ‐Regioselective Reaction with Aldehydes and an Approach to the Synthesis of 2‐Deoxy‐C‐nucleoside Skeletons.
Authors: TAMAO K. , NAKAJO E. , ITO Y.
Published: May 2016

Based on preliminary studies examining the effect of N‐substituents and metal counter cations on regioselectivity, the diethylamine derivative (I) and a copper salt are employed in the title reaction, involving lithiation and transmetalation of (I) followed by treatment with aldehydes (II) to give the major products (V) (4 further examples given) resulting from γ‐substitution and only minor amounts of the α‐products (VI).
ChemInform Abstract: 6‐Alkyl‐2‐methoxy‐4(3H)‐pyrimidinones in the Transformation of Pyrimidines: Regiospecific Preparation, Antitumor, and Antimicrobial Activity of 4‐O‐Acylated Pyrimidine Derivatives. New Agents for Selective Acylation of Amines.
Authors: BOTTA M. , DE ANGELIS F. , NICOLETTI R. , PANI A. , MARONGIU M. E. , LA COLLA P.
Published: May 2016

2‐Methoxy‐4(3H)‐pyrimidone (I) reacts with the acyl chlorides (II) to form the 4‐O‐acylated compounds (III).
ChemInform Abstract: Organoboron Compounds. Part 1. Transformation of Phosphonium Ylides into Phosphane Monoalkylborane Complexes. ‐ Hydroboration Reactions.
Authors: BESTMANN H. J. , ROEDER T. + , SUEHS K. +
Published: May 2016

Ylides such as (I) add borane, liberated from the adducts (II), to give the products (III).
ChemInform Abstract: Compounds of Silicon and Its Group IV Homologues. Part 82. Unsaturated Silicon Compounds. Part 30. On the Problem of the Intermediate Formation of Silanone R2Si=O by Reactions of Silenes with Dinitrogen Oxide.
Authors: WIBERG N. , PREINER G. , SCHURZ K.
Published: May 2016

The silaethene (II) (unstable; from (II)‐source (I)) forms with N2O an unstable cycloadduct (IV), which decomposes under isomerization (to (V)) or cleavage (to (VI) and polymer (VII)).
ChemInform Abstract: A New Enantioselective Asymmetric Synthesis of Tricoordinate Phosphorus Compounds from Dicoordinate λ3‐Aryl(alkyl)iminophosphines.
Authors: MIKOLAJCZYK M. , OMELANCZUK J. , PERLIKOWSKA W. , MARKOVSKII L. N. , ROMANENKO V. D. , RUBAN A. V. , DRAPAILO A. B.
Published: May 2016

The reaction of the phosphinimines (I) with the alcohols (II) is catalyzed by chiral bases to yield the optically active products (IV) after sulfuration.
ChemInform Abstract: Phosphoryl to Carbonyl Migration of Amino Groups in Mixed Anhydrides. Reactivity and Crystal Structure of N‐Methyl‐2‐benzoyloxy‐2‐oxo‐1,3,2‐oxazaphosphorinane.
Authors: SYMES J. , MODRO T. A. , NIVEN M. L.
Published: May 2016

The oxazaphosphorinane (III) is prepared by ring closure of the dichloride (I) with 2‐aminoethanol (II).
ChemInform Abstract: Zinc(II) Bis‐L‐pyroglutamate Through Cyclization of L‐Glutamic Acid in the Presence of Zinc Oxide.
Authors: SCHMIDBAUR H. , BACH I. , WILKINSON D. L. , MUELLER G. +
Published: May 2016

Depending on the reaction conditions, a water‐insoluble Zn bis(hydrogenglutamate) (VI) as the pentahydrate (no yield given) or the complex (III) (C2, Z=2) is obtained.
ChemInform Abstract: Preparation and Properties of, and Reactions with, Metal‐Containing Heterocycles. Part 60. Investigations on the Preparation and Structure of Phosphidomolybdates.
Authors: LINDNER E. , STAENGLE M. + , HILLER W. , FAWZI R.
Published: May 2016

Substitution of CO in (I) by (II) results in formation of the complexes (III) which can be converted into the Li salts (IV) with elimination of H2.
ChemInform Abstract: Coupling of a Fluormethylidyne Ligand with Alkynes with Formation of a CF‐CR‐CR Ligand. Synthesis of Fe3(CO)8(μ3‐CF)(μ3‐CF‐CR‐CR).
Authors: LENTZ D. , MICHAEL H.
Published: May 2016

The title reaction of (I) with (II) yields the complexes (III) containing a dimetalla‐allyl group which is reported for the first time in iron clusters.
ChemInform Abstract: Photoproducts from the Photolysis of Tris(bipyridine)ruthenium(II) Chloride in Dimethylformamide.
Authors: FARINA S. G. , YUEY W. , AMBROSE C. , HOGGARD P. E.
Published: May 2016

The primary photoproducts at low Ru concentrations and short irradiation times are (I) and (II).
ChemInform Abstract: A New Route to the Prostaglandin Skeleton via Radical Alkylation. Synthesis of 6‐Oxoprostaglandin E1.
Authors: TORU T. , YAMADA Y. , UENO T. , MAEKAWA E. , UENO Y.
Published: May 2016

A series of α‐phenylseleno carbonyl compounds is subjected to a photoinitiated allylation with allyltributylstannane (yields: 63‐90%).
ChemInform Abstract: 2‐(Heteroatom‐Substituted)methyl Penems. Part 3. Nitrogen Derivatives.
Authors: ALPEGIANI M. , BEDESCHI A. , PERRONE E. , ZARINI F. , FRANCESCHI G.
Published: May 2016

The alcohol (I) and the cycloimides (II) are combined under Mitsunobu reaction conditions to form the imidomethylpenems (III) which are deprotected by Pd‐induced trans‐allylation, producing the salts (V).
ChemInform Abstract: Depth‐Profile Analysis of Discharged Cathodes from High Rate Li/SOCl2
Authors: HILLS A. J. , HAMPSON N. A.
Published: May 2016

cells is performed in order to determine the extent of the utilization of the interior of the porous carbon electrode.
ChemInform Abstract: Mixed Ligand Complexes Containing β‐Diphosphoramides. Part 1. Substitution of DMSO by NIPA in Solvates of Cd(II). A 113Cd NMR Study.
Authors: RODEHUESER L. + , CHNIBER T. , RUBINI P. , DELPUECH J.‐J.
Published: May 2016

All the species (I) are identified by stepwise substitution of DMSO in (Cd(DMSO)6)2+ on addition of the diphosphoramide.
ChemInform Abstract: Synthesis and Electrochemical Properties of Pt(II) 5,7,12,14‐Tetramethyldibenzo(b,i) (1,4,8,11)tetraaza(14)annulene: Factors Affecting the Electropolymerization Rates.
Authors: HOCHGESANG P. J. , BEREMAN R. D.
Published: May 2016

The complex (Ia), prepared from PtCl2(DMSO)2 and the ligand in refluxing EtOH, represents one of the first 14‐membered tetraazaannulene macrocyclic complexes reported.
ChemInform Abstract: Cocyclization of Bismetallic Biscarbene Complexes with Diphenylacetylene: Synthesis of Derivatives of Bisnaphtholes and Bisindenes.
Authors: NGOC HOA TRAN HUY NGOC HOA TRAN HUY , LE FLOCH P.
Published: May 2016

The benzene biscarbene complex (Ia) reacts with diphenylacetylene (II) to give the naphthol complex (IIIa).
ChemInform Abstract: Metal Hydride Catalyzed Rearrangement of Bicyclic Carbinols: Formation of an Unexpected Lactone During an Attempted Oxy‐Cope Rearrangement.
Authors: RAJ S. P. G. , JANARDHANAM S. , RAJAGOPALAN K.
Published: May 2016

Reaction of the bicyclic ketone (IIIa) according to A) yields the carbinol (IVa) which is hydrogenated to the carbinol (IVb).
ChemInform Abstract: Photochemistry of Group 6B Hexacarbonyls Adsorbed onto Porous Vycor Glass. Evidence for the Formation of Methane from Carbon Species in the Glass.
Authors: SIMON R. C. , MENDOZA E. A. , GAFNEY H. D.
Published: May 2016

UV photolysis of the adsorbed complexes M(CO)6 (M: Cr, Mo, W) leads to decarbonylation and formation of the corresponding pentacarbonyl.
ChemInform Abstract: An Efficient One‐Pot Preparation of 2,4‐Pentadienoic Acid Esters from α,β‐Unsaturated Aldehydes.
Authors: RODRIGUEZ J. , WAEGELL B.
Published: May 2016

Coupling of the α,β‐unsaturated aldehydes (I) with monomethyl malonate (II) in the presence of 4‐dimethylaminopyridine yields selectively the 2,4‐pentadienoic acid esters (III).
ChemInform Abstract: A New Strategy for 1,4‐ and 1,4,7‐Polycarbonyl Compounds.
Authors: SATO T. , OKAZAKI H. , OTERA J. , NOZAKI H.
Published: May 2016

The α‐sulfenyl aldehydes (III) which are conveniently prepared from the readily available carbinols (I) are used as starting compounds in a new strategy leading to 1,4‐dicarbonyl compounds as it is exemplified in the scheme ((IIIa) → (V) → (VI) or (IIIb) → (VIII) → (IX)).
ChemInform Abstract: An Efficient Method for the Preparation of Alkylidenecyclopropanes.
Authors: STAFFORD J. A. , MCMURRY J. E.
Published: May 2016

Wittig reaction of oxo compounds such as (I) or (IV) with cyclopropylidenetriphenylphosphorane, generated in situ from the cyclopropylphosphonium salt (II) in the presence of the phase‐transfer catalyst TDA‐1, yields the cyclopropylidene compounds (III) and (V) respectively.
ChemInform Abstract: 3‐Substituted γ‐Butyrolactones from 5‐Trimethylsilyl‐2‐cyclohexenone. Synthesis of (‐)‐Enterolactone.
Authors: ASAOKA M. , FUJII N. , SHIMA K. , TAKEI H.
Published: May 2016

The silylated cyclohexenone (I) reacts with the Grignard compounds (II) in the presence of Cu(I) to form selectively the trans‐substituted cyclohexanones (III).
ChemInform Abstract: Nitrosation in Anhydrous Trifluoroacetic Acid Media: A Modification for Insoluble or Deactivated Amine and Amide Precursors.
Authors: KANAKARAJAN K. , HAIDER K. , CZARNIK A. W.
Published: May 2016

Anhydrous trifluoroacetic acid proves to be a favorable solvent for the diazotization of deactivated or insoluble (het)aromatic amides.
ChemInform Abstract: Synthesis and Characterization of the Sodium and Lithium Cryptates of Macrobicyclic Ligands Incorporating Pyridine, Bipyridine, and Biisoquinoline Units.
Authors: ALPHA B. , ANKLAM E. , DESCHENAUX R. , LEHN J.‐M. , PIETRASKIEWICZ M.
Published: May 2016

Synthetic procedures are developed for Na and Li cryptates of the macrobicyclic ligands (VI), (IX), (X)‐(XII) as it is exemplified in the scheme for the compounds (VI) and (IX).
ChemInform Abstract: Silicon‐Containing Heterocyclic Compounds. Part 52. Synthesis and Some Transformation of 3,3,7,7‐Tetrachloro‐3,7‐disilabicyclo(3.3.0)oct‐1(5)‐ene.
Authors: CHERNYSHEV E. A. , KOMALENKOVA N. G. , KEL'MAN M. YA. , ELAGINA O. V. , POLIVANOV A. N. , SLYUSARENKO T. F. , NOSOVA V. M. , RUDENKOV A. I. , VORONKOV M. G.
Published: May 2016

1,2‐Dimethylenecyclobutane (I) reacts with dichlorosilylene, generated in situ by pyrolysis of hexachlorodisilane (II) or the dichlorosilacyclopentene (IV), to give the tetrachlorodisilabicyclooctene (III).
ChemInform Abstract: Reaction of Bis(dialkoxyphosphoryl and thiophosphoryl) Disulfides with α‐Diazoketones.
Authors: KHASKIN B. A. , SHELUCHENKO O. D. , TORGASHEVA N. A. , ISHMURATOV A. S.
Published: May 2016

Copper‐catalyzed reaction of the thiophosphoryl disulfides (I) with diazoacetone (IIa) gives mixtures of the insertion products (IIIa) and (IVa).
ChemInform Abstract: Reaction of Dialkyl Alkynylphosphonites with Bromo‐ and Chloroacetic Acid Esters.
Authors: BURANGULOVA R. N. , TRISHIN YU. G. , KONOVALOVA I. V. , BURNAEVA L. A. , CHISTOKLETOV V. N. , PUDOVIK A. N.
Published: May 2016

The alkynylphosphonites (I) are coupled with the bromoacetate (II) to give the Arbuzov products (III).
ChemInform Abstract: Synthesis and Reactions of 6‐Amino‐4‐(3‐pyridyl)‐3,5‐dicyano‐2(1H)‐pyridineselone.
Authors: SHARANIN YU. A. , DYACHENKO V. D. , TUROV A. V. , LITVINOV V. P.
Published: May 2016

The pyridylmethylenemalononitrile (I) is refluxed with the cyanoselenoacetamide (II) in the presence of equimolar amounts of N‐methylmorpholine (III) to give the pyridineselenolate (IV).
ChemInform Abstract: Oxo‐Bridged Ta(+3) Dimers, (TaCl2L2)2(μ‐O)(μ‐SR2), Revisited. Structural Differences Between Isoelectronic μ‐O and μ‐OH Complexes.
Authors: COTTON F. A. , DIEBOLD M. P. , ROTH W. J.
Published: May 2016

The two title complexes (III) and (VI) are prepared according to the scheme and characterized by X‐ray structure analysis ((III): space group P21/c, Z=4; (VI): P21/a, Z=4).
ChemInform Abstract: The Synthesis and Characterization of Some Ru(II) Complexes Containing Carbon Monoxide and Isocyanide Groups.
Authors: TANNENBAUM R.
Published: May 2016

The use of Ru‐carbonyl complexes with empty coordination sites makes it possible for isocyanides to enter without displacing the CO groups.
ChemInform Abstract: A Samarium(II) Iodide Promoted Tandem Radical Cyclization. The Total Synthesis of (.+‐.)‐Hypnophilin and the Formal Synthesis of (.+‐.)‐Coriolin.
Authors: FEVIG T. L. , ELLIOTT R. L. , CURRAN D. P.
Published: May 2016

The key step in the synthesis of racemic hypnophilin (VII) is the tandem radical cyclization of the ketal (IV) in the presence of SmI2.
ChemInform Abstract: Preparative UV‐VIS Laser Photochemistry: Photocycloadditions of Methylenelactones with Benzophenone and p‐Benzoquinone. Oxygen Trapping of Paterno‐Buechi Triplet 1,4‐Diradicals as Model Reactions for Qinghaosu‐Type 1,2,4‐Trioxanes.
Authors: ADAM W. , KLIEM U. , LUCCHINI V.
Published: May 2016

UV‐VIS laser irradiation of the pentenolide (I) with the carbonyl compounds (II) under argon atmosphere yields the acetal‐type oxetanes (IV) and/or (V).
ChemInform Abstract: Synthesis and Antineoplastic Activity of 5‐Aryl‐2,3‐dihydropyrrolo‐(2,1‐b)thiazole‐6,7‐dimethanol 6,7‐Bis(isopropylcarbamates).
Authors: LALEZARI I. , SCHWARTZ E. L.
Published: May 2016

The thiazolidinecarboxylic acid (I) is acylated with acetic anhydride (IIa) or the acid chlorides (IIb) to form the amides (III) which are transformed into the pyrrolothiazoles (V) by reaction with dimethyl acetylenedicarboxylate (IV).
ChemInform Abstract: Useful Route to Partially Saturated Isocoumarins. Biomimetic Syntheses of Mellein, Ramulosin, and Epiramulosin.
Authors: PIETRUSIEWICZ K. M. , SALAMONCZYK I.
Published: May 2016

Wittig reaction of the ylide (I) with the aldehydes (II) gives the cyclohexenones (III).
ChemInform Abstract: An Unusually Facile Formation of Substituted 1,2‐Dihydropyridine Derivatives: The Reversible Condensation of Pyridines with Reactive Carbonyl Groups.
Authors: KING J. A. JUN.
Published: May 2016

Temp.‐variable spectroscopic examination (1H, 13C NMR, IR) of the reaction of pyridine (I) with acid halides such as (II) and anhydrides ((CX3‐CO)2O; X: ‐Cl, ‐F) indicates the reversible and regiospecific formation of species (III).
ChemInform Abstract: Iron‐Rhodium and Iron‐Iridium Complexes Containing One Bridging Ph2PCH2PPh2 (dppm) Ligand: Crystal Structure Determination of ((η5‐C5H5)Fe(μ‐CO)2(μ‐dppm)RhMe0.4Cl1.6).
Authors: SHAW B. L. , SMITH M. J. , STRETTON G. N. , THORNTON‐PETT M.
Published: May 2016

Treatment of the acetyl‐Fe complex (I) with the Rh(I) dimer (II) or the Ir(I) complex (III) leads to the heterobinuclear diphosphine‐ and CO‐bridged acetyl complexes (IV) which decarbonylate in solution to give a mixture of the (methyl)chloro and dichloro derivative (Va + c) and the (methyl)chloro derivative (Vb).
ChemInform Abstract: Oxoferryl Complexes of the Halogenated (Porphinato)iron Catalyst: (Tetrakis(2,6‐dichlorophenyl)porphinato)iron.
Authors: GOLD A. , JAYARAJ K. , DOPPELT P. , WEISS R. , CHOTTARD G. , BILL E. , DING X. , TRAUTWEIN A. X.
Published: May 2016

Oxidation of (I) by MCPBA in THF or DMF yields the adducts (IIa) of the oxoferryl complex.
ChemInform Abstract: Electrochemical Studies of Nickel(II) and Cobalt(II) Complexes of Tetraazamacrocycles Bearing a Pyridine Functional Group and X‐Ray Structures of (Ni(II)(L3)Cl)ClO4 and (Ni(II)(L3)) (ClO4)2·H2O (L3: meso‐2,3,7,11,12‐Pentamethyl‐3,7,11,17‐tetraazabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene).
Authors: CHE C.‐M. , MAK S.‐T. , LEE W.‐O. , FUNG K.‐W. , MAK T. C. W.
Published: May 2016

The complexes (IVb) ( P21/n, Z=4) and (IVc) (P21/c, Z=4) are characterized by X‐ray diffraction studies.
ChemInform Abstract: Derivatives of (Rh6(CO)13C)2‐: Solution Structure of (Rh6H(CO)13C)‐ from NMR Measurements and the X‐Ray Crystal Structure of (Rh6(CO)11C(μ‐Ph2PCH2CH2PPh2))2‐.
Authors: BORDONI S. , HEATON B. T. , SEREGNI C. , STRONA L. , GOODFELLOW R. J. , HURSTHOUSE M. B. , THORNTON‐PETT M. , MARTINENGO S.
Published: May 2016

Multielement NMR measurements (1H, 1H(103Rh), 13C, 13C(103Rh), and 103Rh) show that protonation of (Rh6(CO)13C)2‐ at low temp. gives (Rh6H(CO)13C)‐.
ChemInform Abstract: Convenient Synthesis of N‐Protected Amino Acid Amides.
Authors: NOZAKI S. , MURAMATSU I.
Published: May 2016

Boc‐ or Z‐amino acids (I) are conveniently amidated at room temp. by a one‐pot procedure employing NH4+HCO3‐ (II) and N‐ethoxycarbonyl‐2‐ethoxy‐1,2‐dihydroquinoline.
ChemInform Abstract: “Armed” and “Disarmed” n‐Pentenyl Glycosides in Saccharide Couplings Leading to Oligosaccharides.
Authors: MOOTOO D. R. , KONRADSSON P. , UDODONG U. , FRASER‐REID B.
Published: May 2016

The benzyl protecting group of the C‐2 oxygen in the carbohydrate (Ia) effects a relatively easy hydrolytic cleavability of the pentenyl group of (Ia); i.e. the pentenyl group is "disarmed" by the 2‐O‐benzyl group.
ChemInform Abstract: Pheromone Synthesis. Part 110. Synthesis of (4S,5R)‐5‐Hydroxy‐4‐methyl‐3‐heptanone (Sitophilure), the Aggregation Pheromone of Sitophilus oryzae and S. zeamais.
Authors: MORI K. , YOSHIMURA T. , SUGAI T.
Published: May 2016

The racemate (±)‐(V) can be successfully resolved with (‐)‐ω‐camphanyl chloride.
ChemInform Abstract: Influence of Stoichiometry on the Electrical and Mechanical Behavior of Yttrium Oxide Ceramics.
Authors: JOLLET F. , MAIRE P. , GAUTIER M. , DURAUD J.‐P. , LE GRESSUS C.
Published: May 2016

Depending on the O2 partial pressure, defects are created in Y2O3 ceramics which are oxygen vacancies under reduction conditions or oxygen interstitials under oxidation conditions.
ChemInform Abstract: Photoelectrochemistry at (Semi) Insulating Electrodes.
Authors: HUESSER O. E. + , VON KAENEL H. +
Published: May 2016

The influence of background irradiation on high resistivity BiI3 and insulating α‐HgI2 electrodes is reported.
ChemInform Abstract: Electrical Properties of Superionic Conducting Glasses in the Pseudobinary System CuI‐Cu2MoO4.
Authors: MACHIDA N. , MINAMI T.
Published: May 2016

In the title system Cu+‐ion‐conducting glasses are obtained in the composition range 40‐55 mol% CuI.
ChemInform Abstract: The Adsorption of Oxygen on a Pt0.4Re0.6 Alloy Under Stationary Conditions.
Authors: MESBOUA N. , WEBER B. , CASSUTO A.
Published: May 2016

In the course of annealing (700‐1350 K) a Re substrate coated with 2 to 100 layers of Pt a Pt‐Re surface "alloy" is obtained.
ChemInform Abstract: Formation of ZnAl2O4 in the Presence of Cl2.
Authors: TSUCHIDA T.
Published: May 2016

Differences in the formation behavior of ZnAl2O4 (spinel) in diffusion couples of Al2O3 and ZnO in air and in air containing 4.8 vol% Cl2 is investigated between 1000 and 1390 °C (XRD, EPMA, SEM).
ChemInform Abstract: Aquanonadecatungstodiphosphate(14‐) Polyanion, (P2W19O69(OH2))14‐: X‐Ray Crystallographic Structure of its Potassium Salt, Chemical Relationships in the Tungstophosphate System, and Conversion into the Diaquaicosatungstodiphosphate (P2W20O70(OH2)2)10‐.
Authors: TOURNE C. M. , TOURNE G. F.
Published: May 2016

K14(P2W19O69(OH2))·24 H2O (I) crystallizes in the orthorhombic space group Fddd with Z=16.
ChemInform Abstract: Isolation and X‐Ray Crystal Structure of the Lithiated Phosphoranide (Li(THF)cyclenP)x and the X‐Ray Crystal and Electron Diffraction Structures of cyclenPH.
Authors: LATTMAN M. , OLMSTEAD M. M. , POWER P. P. , RANKIN D. W. H. , ROBERTSON H. E.
Published: May 2016

The structure of the polymeric title compound (III) (space group C2, Z=18) which is prepared as shown and this of cyclenphosphorane (I) (P42/mnm, Z=2) are determined by X‐ray analysis and discussed.
ChemInform Abstract: Coupling Reactions of 4‐tert‐Butyl‐o‐benzoquinone with Olefinic Compounds.
Authors: TAKADA M. , OSHIMA R. , YAMAUCHI Y. , KUMANOTANI J. , SENO M.
Published: May 2016

The o‐benzoquinone (I) mentioned in the title is combined with various dienes such as 1,4‐pentadiene (II), methyl sorbate (VII), or methyl linoleate (IX).
ChemInform Abstract: Synthesis and Acid‐Catalyzed Ring Opening of 1‐Alkenyl Cyclopropyl Ketones.
Authors: TSUGE O. , KANEMASA S. , OTSUKA T. , SUZUKI T.
Published: May 2016

1‐Alkenyl cyclopropyl ketones such as (I) or (V) activated with appropriate substituents undergo PPA‐catalyzed ring enlargement reactions to give cyclopentanone and cyclohexane derivatives such as (II)‐(IV) or (VI), (VII).
ChemInform Abstract: N‐Alkylation of 4‐Chloro‐5‐cyano‐1,2,3‐triazole with Orthoformic Acid Derivatives.
Authors: BULYCHEV YU. N. , PREOBRAZHENSKAYA M. N. , CHERNYSHEV A. I. , ESIPOV S. E.
Published: May 2016

Alkylation of the triazole (I) with trimethyl orthoformate or DMF dimethyl acetal (II) yields mixtures of the N‐methyl derivatives (III) ‐(V).
ChemInform Abstract: The Reaction of Nitrobenzenes with Sodium Borohydride: A Novel Reductive Coupling to Diphenylamine Derivatives.
Authors: DALE J. , VIKERSVEEN L.
Published: May 2016

In contrast to the formation of azobenzene and azoxybenzene derivatives such as (III) (derived from 1,4‐dinitrobenzene) or (VI), diphenylamine derivatives occur when nitro compounds such as (V) and (VIII) are present in excess.
ChemInform Abstract: Preparation of 2,3‐Dihetero‐Substituted 1,3‐Dienes from Brominated 2‐Sulfolenes.
Authors: CHOU T. , LEE S.‐J. , PENG M.‐L. , SUN D.‐J. , CHOU S.‐S. P.
Published: May 2016

The 4‐bromosulfolenes (II), prepared by bromination of the sulfolenes (I) or (III), are treated with the nucleophiles (V) to yield a mixture of the isomeric substitution products (VI) and (VII).
ChemInform Abstract: Asymmetric Induction Reactions. Part 3. Palladium‐Catalyzed Asymmetric Sulfonylation of Allylic Sulfinates and Acetates with Chiral Phosphine Ligands.
Authors: HIROI K. , MAKINO K.
Published: May 2016

The allyl p‐toluenesulfinates (I) are rearranged in the presence of palladium complexes and a chiral phosphine ligand to give the optically active allylic sulfones (II), together with the sulfones (III).
ChemInform Abstract: Synthesis of Diadamantylarenes.
Authors: MOISEEV I. K. , SHIRYAEV A. K. , KLIMOCHKIN YU. N. , MATVEEV A. I.
Published: May 2016

In the presence of conc.
ChemInform Abstract: A New Synthesis of Pentasubstituted Benzenes by Tandem Dimerization Ring Opening of 3‐Halo‐2,5‐dialkylthiophene 1,1‐Dioxides.
Authors: GRONOWITZ S. , NIKITIDIS G. , HALLBERG A. , SERVIN R.
Published: May 2016

Heating the thiophene 1,1‐dioxides (I) in tert‐butanol for 120 to 240 hours results in the formation of the alkynylbenzenes (II).
ChemInform Abstract: Reaction of Phenol with Diacetyl in the Presence of Aluminum Phenolate.
Authors: KOZLIKOVSKII YA. B. , CHERNYAEV B. V. , MYSHKO YU. V.
Published: May 2016

In the presence of Al(OPh)3 the condensation of phenol (I) with diacetyl (II) yields the chromene (III) as the main product, along with the isomeric chromene (IV) and small quantities of the dibenzofuro(2,3‐b)furan (V).
ChemInform Abstract: Formation of 1‐Phenyl‐2,3‐dioxabicyclo(2.2.1)heptane in the Reaction of 1,3‐Dibromo‐4‐phenylcyclopentane with Hydrogen Peroxide in the Presence of Silver Trifluoroacetate.
Authors: TAKAHASHI K. , SHIRO M. , KISHI M.
Published: May 2016

The 1,3‐dibromo‐4‐phenylcyclopentanes (III) are prepared from the 4‐hydroxycyclopent‐2‐en‐1‐one (I) by known methods.
ChemInform Abstract: The Use of Organosilicon Esters for the Synthesis of Alkyl Phosphonofluoridates.
Authors: MULLER A. J.
Published: May 2016

Methylphosphonic difluoride (I) undergoes an exothermic reaction with the tetralkoxysilanes (II), yielding the alkyl methylphosphonofluoridates (III), together with the dialkyl methylphosphonate (IVa) and silicon tetrafluoride (V).
ChemInform Abstract: The Reaction of n‐Butyllithium with Diphenylacetylene: Structure Elucidation of the Mono‐ and Dilithio Product by One‐ and Two‐Dimensional NMR Spectroscopy, X‐Ray Analysis, and MNDO Calculations. Agostic Activation by Lithium.
Authors: BAUER W. , FEIGEL M. , MUELLER G. + , VON RAGUE SCHLEYER P.
Published: May 2016

The mono‐lithio trans compound (III) is obtained exclusively from the title reaction in THF.
ChemInform Abstract: An Unusually Lower Barrier to Reductive Elimination of an 18‐Electron η3‐Allyl(organo)nickel(II) Complex Than Those of a 16‐Electron η3‐Allyl Counterpart and a 16‐Electron η1‐Allyl Isomer.
Authors: KUROSAWA H. , OHNISHI H. , EMOTO M. , KAWASAKI Y. , MURAI S.
Published: May 2016

Effects of both structure and reactivity of (η3‐allyl)arylphosphine complexes e.g. (I) on the reductive elimination of allylbenzene derivatives such as (II) are studied.
ChemInform Abstract: Method of Frabricating Ceria‐Stabilized Tetragonal Zirconia Polycrystals(TZP).
Authors: BHADURI S. B. , CHAKRABORTY A. , RAO R. M.
Published: May 2016

Fabrication of toughened Ce‐TZPs by conventional low‐cost processing (ball‐milling and cold‐pressing followed by sintering) affords materials with properties which are quite comparable to other toughened zirconia related systems processed by special techniques.
ChemInform Abstract: Reaction of Protons and Molybdenum Dimers in an Ambient‐Temperature Molten Salt.
Authors: CARLIN R. T. , OSTERYOUNG R. A.
Published: May 2016

In the acidic AlCl3‐1‐ethyl‐3‐methylimidazolium chloride (ImCl) molten salt the Mo2Cl84‐ dimer and the Mo(III) bridging‐hydrido dimer Mo2Cl8H3‐ are shown to be interconvertible by reaction with ImHCl2 as a proton source and EtAlCl2 as a proton‐removing reagent.
ChemInform Abstract: Luminescence and UV Photoinduced Electron Transfer in Chlorocuprate(I) Complexes in Aqueous Solution at Room Temperature.
Authors: STEVENSON K. L. , BRAUN J. L. , DAVIS D. D. , KURTZ K. S. , SPARKS R. I.
Published: May 2016

Irradiation of CuCl2‐ and CuCl32‐ in the UV region corresponding to the charge‐transfer‐to‐solvent (CTTS) at 274 nm, in neutral aqueous solutions 5 M Cl‐ ion at room temp., results in luminescence emission centered at 470‐480 nm.
ChemInform Abstract: Redox Properties and Ligand Loss Chemistry in Aqua/Hydroxo/Oxo Complexes Derived from cis‐ and trans‐((bpy)2Ru(II)(OH2)2)2+.
Authors: DOBSON J. C. , MEYER T. J.
Published: May 2016

In order to explore the possible role of monomeric complexes as catalytic or stoichiometric reagents for the oxidation of water, the redox and stability properties of the complexes (I) and (II) are studied.
ChemInform Abstract: Baeyer‐Villiger Reaction in the Solid State.
Authors: TODA F. , YAGI M. , KIYOSHIGE K.
Published: May 2016

The oxidation of the ketones (I) and (III) with m‐chloroperbenzoic acid, yielding the carboxylates (II) or (IV) and (V), is investigated in the solid state or in solution.
ChemInform Abstract: Asymmetric Synthesis of β‐Hydroxy‐α‐alkylamino Acids by Asymmetric Aldol Reaction of α‐Isocyanocarboxylates Catalyzed by Chiral Ferrocenylphosphine‐Gold(I) Complexes.
Authors: ITO Y. , SAWAMURA M. , SHIRAKAWA E. , HAYASHIZAKI K. , HAYASHI T.
Published: May 2016

Aldol reaction of isocyanocarboxylates such as (III) with aldehydes such as (IV) in the presence of an Au complex catalyst, which is prepared in situ by mixing one of the ferrocene species (I) with the Au(I) salt (II), gives optically active trans‐ and cis‐4,5‐dialkyloxazolines as it is exemplified in the scheme for (V) + (VI).
ChemInform Abstract: Reactivity of the Biheterocyclic Betaine with the para‐Substituted Phenacyl Bromides for the Ring Transformation Reaction.
Authors: YOO K. H. , KIM D. J. , KIM Y. , PARK S. W.
Published: May 2016

The phenacyl bromides (II) and (IV) with electron‐donating and electron‐withdrawing substituents, resp., behave differently in the reaction with the title betaine (I).
ChemInform Abstract: Generation and Cyclotrimerization of 1,4‐Dioxacyclohexyne (p‐Dioxyne).
Authors: PERICAS M. A. , RIERA A. , ROSSELL O. , SERRATOSA F. , SECO M.
Published: May 2016

The dibromodioxacyclohexene (I) reacts with the Pt‐complex (II) and sodium amalgam to give the organo‐platinum compound (III).
ChemInform Abstract: Sterically Congested Molecules: Synthesis, Characterization, and Unique Spectral Characteristics of Hexa‐tert.‐butyl‐Substituted Biaryl Bis(1,3,2‐oxazaphospholidines).
Authors: PASTOR S. D. , HYUN J. L. , ODORISIO P. A. , RODEBAUGH R. K.
Published: May 2016

Reaction of the alkanolamine (I) with PCl3 (II) yields the cyclic chloridite (III), which reacts with the sterically hindered phenols (IV) to give the aryloxyphospholidines (V).
ChemInform Abstract: H‐C Bond Cleavage by (η5‐Cyclopentadienyl)bis(triorganylphosphine)ruthenium Organyl Complexes.
Authors: LEHMKUHL H. , BELLENBAUM M. , GRUNDKE J. , MAUERMANN H. , KRUEGER C. +
Published: May 2016

The attempted preparation of (IIIa) results in isolation of the product (IVa).
ChemInform Abstract: Synthesis of Aromatic Steroids by Palladium(0) Coupling and Electrocyclic Ring Closure.
Authors: GILCHRIST T. L. , SUMMERSELL R. J.
Published: May 2016

The naphthylcyclopentenol (III), which is available via Pd‐catalyzed cross coupling of the bromonaphthalene (I) with the organozinc bromide derived from (II), undergoes thermal cyclization to give the estrapentaenols (IV) and (V) together with the hydrocarbon (VI).
ChemInform Abstract: Temperature Dependence of Partial and Integral Enthalpies of Mixing of Liquid Rare‐Earth‐Sn Alloys
Authors: SOMMER F. , SCHOTT J. , KRULL H.‐G.
Published: May 2016

(La, Gd, Dy, Er in liquid Sn at infinite dilution, and a La‐rich La‐Sn alloy) is studied by solution calorimetry in the temp. range 1095‐1478 K. The experimentally obtained different temp. dependences can be explained by the association model.
ChemInform Abstract: Two Triplets Mediating Intramolecular Photochemical Abstraction of Hydrogen by Nitrogen in 4‐Acyl‐6‐alkylpyrimidines.
Authors: BRUMFIELD M. A. , AGOSTA W. C.
Published: May 2016

Direct irradiation (> 340 nm) of (VII) and (Va) or their triplet sensitization leads to an nπ* triplet (ET ca. 70‐71 kcal/mol) whereby (VII) isomerizes (to (VIII)) but (Va) does not react.
ChemInform Abstract: Oligomethylenation of Bicyclopropylidene by Diazomethane in the Presence of Palladium(II) Acetate.
Authors: LUKIN K. A. , KUZNETSOVA T. S. , KOZHUSHKOV S. I. , PIVEN' V. A. , ZEFIROV N. S.
Published: May 2016

In the presence of Pd(OAc)2 the reaction between bicyclopropylidene (I) and diazomethane (II) yields the expected dispiroheptane (III) as the main product along with the hydrocarbons (IV)‐(XIII), which are the products of oligomethylenation, a novel type of reaction.
ChemInform Abstract: New Syntheses of α‐Amino Acids Based on N‐Acylimino Acetates.
Authors: BRETSCHNEIDER T. , MILTZ W. , MUENSTER P. + , STEGLICH W.
Published: May 2016

The reaction of N‐acylaminobromoacetates such as (I) or (IV) (via N‐acylamino acetate intermediates) with higher (or mixed) cuprates, e.g. (II), trimethylsilyl enol ethers, e.g. (V), or β‐dicarbonyl compounds, e.g. (VII), leads to a variety of amino acid derivatives such as (III), (VI), (VIII).
ChemInform Abstract: Anion‐Catalyzed Reactions of Silyl Ester Polyenolates with Electrophiles.
Authors: HERTLER W. R. , REDDY G. S. , SOGAH D. Y.
Published: May 2016

Stereochemical assignment of the trimethylsilyl ester enolates (III), synthesized from the esters (I), shows predominance of the Z‐isomers.
ChemInform Abstract: Applications of Intramolecular Amidomercuration. Part 6. Selectivity in the Amination of Allylic Alcohols via Intramolecular Amidomercuration.
Authors: HARDING K. E. , HOLLINGSWORTH D. R.
Published: May 2016

The allyloxymethyl carbamate (I) and its cis‐isomer (VIII) undergo Hg(II)‐promoted cyclization, followed by reductive work‐up, forming the oxazolidine (II) and the 1,3‐oxazine (III).
ChemInform Abstract: A Donor Cage with Bent Tetrathiafulvalene Moiety.
Authors: ROEHRICH J. + , WOLF P. , ENKELMANN V. , MUELLEN K. +
Published: May 2016

Chemical and electronic properties (UV, 13C NMR, cyclovoltammetry) of tetrathiafulvalene (TTF) change appreciably when the molecule is bent (see (V)) as compared to the linear structure of (VIII).
ChemInform Abstract: Lewis‐Base Adducts of Group 11 Metal(I) Compounds. Part 37. A Novel Isomerism in the Heterobimetallic 1:1 Adducts of Copper(I) Halides with Tris(dithiocarbamato)cobalt(III).
Authors: ENGELHARDT L. M. , HEALY P. C. , SKELTON B. W. , WHITE A. H.
Published: May 2016

Both adducts (III) are prepared by slow interdiffusion of dilute solutions of the tris(dithiocarbamato)‐Co(III) complexes (I) and CuI (II) in acetonitrile and characterized by single‐crystal X‐ray structure determination ((IIIa): space group P21/c, Z=4; (IIIb): Ccca, Z = 8).
ChemInform Abstract: (Au2Ag4L4)2‐, (Au2Cu4L4)2‐, (Au3Cu3L4)2‐, (Cu4L3)2‐, and (Ag9L6)3‐ (L: Ethane‐1,2‐dithiolate) ‐ Novel Homoleptic Complexes of the Coinage Metals Including the First Heteronuclear Metal Thiolates.
Authors: HENKEL G. , KREBS B. , BETZ P. , FIETZ H. , SAATKAMP K.
Published: May 2016

The heteronuclear Au2Ag4 cluster (V) is prepared according to the scheme.
ChemInform Abstract: New Approaches to the Asymmetric Synthesis of Non‐Proteinogenic α‐Amino Acids and Dipeptides Through Chiral β‐Lactam Intermediates.
Authors: OJIMA I. , CHEN H.‐J. C. , QIU X.
Published: May 2016

Asym. (2 + 2) cycloaddition between the ketenes (II) and the imines (III) yields the β‐lactams (IV) with high diastereomeric excess; the chiral centers in (III) have no significant influence on the asym.
ChemInform Abstract: Monoterpenoids
Authors: GRAYSON D. H.
Published: May 2016

Review: (321 refs.
ChemInform Abstract: Europium‐Exchanged Synthetic Faujasite Zeolites: A Luminescence Spectroscopic Study.
Authors: BARTLETT J. R. , COONEY R. P. , KYDD R. A.
Published: May 2016

The distribution of Eu(III) species in thermally activated Eu‐exchanged zeolites X and Y are deduced from the observed 5D0 → 7F0 emission profiles.
ChemInform Abstract: Solubility of Sulfur Dioxide in Aqueous Sulfuric Acid Solutions.
Authors: HAYDUK W. , ASATANI H. , LU B. C.‐Y.
Published: May 2016

A relatively simple apparatus for measuring gas solubilities in a corrosive solvent at various gas partial pressures is described and used to determine the solubility of SO2 in 97.0 wt.% H2SO4 for two temp., 298.15 and 323.15 K, and a range of SO2 partial pressures.
ChemInform Abstract: New Synthesis and Uses of High‐Specific‐Surface SiC as a Catalytic Support that is Chemically Inert and has High Thermal Resistance.
Authors: LEDOUX M. J. , HANTZER S. , CUONG PHAM HUU CUONG PHAM HUU , GUILLE J. , DESANEAUX M.‐P.
Published: May 2016

The method developed for the preparation of high surface area (60‐400 m2/g) SiC involves the reaction of activated high surface area carbon with SiO vapor generated by the reaction of Si and SiO2.
ChemInform Abstract: Formation of 1,2,4‐Trioxepins via 9,10‐Dicyanoanthracene(DCA)‐Sensitized Photooxidation of Arylvinyloxiranes.
Authors: FUTAMURA S. , KAMIYA Y.
Published: May 2016

Photooxidation of the diphenyl(diphenylvinyl)oxirane (I) yields the tetraphenyl‐1,2,4‐trioxepin (II).
ChemInform Abstract: Tris(trimethylsilyl)silane. A New Reducing Agent.
Authors: CHATGILIALOGLU C. , GRILLER D. , LESAGE M.
Published: May 2016

The alkyl halides (I) are reduced with tris(trimethylsilyl)silane, yielding the dehalogenated products (II).
ChemInform Abstract: Desilylation of tert‐Butyldimethylsilyl Ethers of Phenols.
Authors: SINHABABU A. K. , KAWASE M. , BORCHARDT R. T.
Published: May 2016

The siloxybenzenes (I) are desilylated upon reaction with potassium fluoride in the presence of hydrobromic acid or tert‐butyl halides, yielding the corresponding phenols (II).
ChemInform Abstract: Site‐Selectivity in the Reaction of 3‐Substituted Pyridine 1‐Oxides with Phosphoryl Chloride.
Authors: YAMANAKA H. , ARAKI T. , SAKAMOTO T.
Published: May 2016

Chlorination of the pyridine N‐oxides (I) with phosphoryl chloride yields a mixture of the chloropyridines (II) ‐ (IV), depending on the nature of the substituent R. Reductive methylation of 3‐amino‐2‐chloropyridine (V) gives the dimethylamino derivative (If).
ChemInform Abstract: A Very Simple Synthesis of α‐Substituted β‐Ketoamides.
Authors: COSSY J. , BELOTTI D. , THELLEND A. , PETE J. P.
Published: May 2016

Photolysis of the 2‐diazo‐1,3‐diketones (I) in the presence of the primary or secondary amines (II) yields the title compounds (III).
ChemInform Abstract: 4‐Substituted 2‐Nitrophenylguanidines. Part 1. Synthesis and Cyclization of 4‐Substituted 2‐Nitrophenylguanidines.
Authors: PAZDERA P. , POTACEK M.
Published: May 2016

The o‐nitranilines (I) are coupled with cyanamide (II) in an acidic medium to form nitrophenylguanides which are isolated as the nitrates (IV).
ChemInform Abstract: A Chromogenic Crown Ether as a Sensing Molecule in Optical Sensors for the Detection of Hard Metal Ions.
Authors: VAN GENT J. , SUDHOELTER E. J. R. + , LAMBECK P. V. , POPMA T. J. A. , GERRITSMA G. J. , REINHOUDT D. N.
Published: May 2016

The chromogenic crown ether (V), prepared as shown in the reaction scheme, has high selectivity for Ba2+ and Ca2+ cations in complexation reactions.
ChemInform Abstract: Trimethylsilyl Esters of Fluorobenzenesulfonic Acids.
Authors: JOHANNSEN H. , SARTORI P.
Published: May 2016

The title compounds, e.g. (IV) or (VI), are obtained by sulfonation of the fluorobenzenes (I) or (V), followed by direct silylation of the acids.
ChemInform Abstract: (Hexamethylbenzene)ruthenium(II) Complexes: Synthesis and Coordination Chemistry of a Novel Tridentate Ligand with an O,O,Cl Donor Set.
Authors: KLAEUI W. + , BUCHHOLZ E.
Published: May 2016

Trimethylphosphite (II) reacts with the Ru(II) dimer in CHCl3 to give the mononuclear derivative (III).
ChemInform Abstract: Comparative Metallaborane Chemistry: Preparation and Nuclear Magnetic Resonance Studies of Some nido‐5‐Metalladecaboranes of Rhodium, Iridium, Ruthenium, and Osmium.
Authors: BOWN M. , FOWKES H. , FONTAINE X. L. R. , GREENWOOD N. N. , KENNEDY J. D. , MACKINNON P. , NESTOR K.
Published: May 2016

The new ten‐vertex nido‐metalladecaboranes (III), (V) and (VII) are prepared according to the scheme and characterized by 1H and 11B NMR spectroscopy.
ChemInform Abstract: Oxidative Coupling of Lignans. Part 4. Monophenolic Oxidative Coupling.
Authors: BURDEN J. K. , CAMBIE R. C. , CRAW P. A. , RUTLEDGE P. S. , WOODGATE P. D.
Published: May 2016

Oxidative coupling of the racemic monophenolic monoester (I) gives the aryltetralin (II), which is a potential intermediate for the synthesis of clinically active monophenolic lignan lactones.
ChemInform Abstract: Preparation and Structure of New CeTa3O9 Modifications.
Authors: SCHAFFRATH U. , GRUEHN R.
Published: May 2016

Chemical transport of a CeO2/Ta2O5/Ta (5:7:1) mixture from 1100 °C to 1000 °C using Cl2 as transportation agent yields an orthorhombic and a monoclinic modification of the title compound besides the known perovskite‐related form of CeTa3O9 (space group Pmmm, Z=2 based on Ce1/3TaO3).
ChemInform Abstract: Crystal Chemistry of Three Copper(II) Arsenates: Cu3(AsO4)2‐III (I), Na4Cu(AsO4)2 (II), and KCu4(AsO4)3 (III).
Authors: EFFENBERGER H.
Published: May 2016

The title compounds, synthesized under hydrothermal conditions, crystallize in the following space groups: (I) and (II) both in P1 with Z=1, (III) in C2/c with Z=4.
ChemInform Abstract: Action of Salt Formation on the Bifunctional Nature of 12‐Molybdophosphoric Acid and Their Relationship to the Catalytic Activity.
Authors: EL‐AWAD A. M. , ABD EL‐SALAAM K. M.
Published: May 2016

In an attempt to gain more insight into the bifunctional nature (acidic and redox properties) of the heteropoly salts Mn+ x/nH3‐xPMo12O40 (M: Cu2+, Bi3+, Cr3+; x = 1‐3) their acidities, dehydration activities, and electric conductivities are investigated.
ChemInform Abstract: Application of Photoelectron Spectroscopy to Molecular Properties. Part 34. Phosphaethene. Synthesis by Vacuum Gas‐Solid Reaction (VGSR) and Characterization by Photoelectron Spectroscopy.
Authors: LACOMBE S. , GONBEAU D. , CABIOCH J.‐L. , PELLERIN B. , DENIS J.‐M. , PFISTER‐GUILLOUZO G.
Published: May 2016

For the first time the electronic structure of phosphaethene (CH2=PH), the unstable parent compound in the phosphaalkene series, is deduced from its photoelectron spectrum.
ChemInform Abstract: Spectroscopic Studies of Transition Metal Complexes on Chelating Resins Containing Multidentate Pyridine Derivatives.
Authors: SAHNI S. K. , REEDIJK J.
Published: May 2016

The IR and ESR spectroscopic data of the Ni and Cu complexes of chelating resins (I) containing tridentate bis(pyridylalkyl)amine moieties anchored on microporous and macroporous styrene‐divinylbenzene copolymers are discussed and compared with the data from some model compounds.
ChemInform Abstract: Allosteric Cooperativity and Transport: Studies in a Circulating System.
Authors: GAVINA F. , LUIS S. V. , COSTERO A. M. , BURGUETE M. I. , REBEK J. JUN.
Published: May 2016

The facility of transport by crown ethers (I) is studied in a model system consisting of a solid precursor phase (Hg(SCN)2 mixed with a polystyrene), a solid trapping phase ((II)), and the liquid transport phase ((I) in MeOH or CHCl3).
ChemInform Abstract: Lipase‐Catalyzed Irreversible Transesterifications Using Enol Esters as Acylating Reagents: Preparative Enantio‐ and Regioselective Syntheses of Alcohols, Glycerol Derivatives, Sugars, and Organometallics.
Authors: WANG Y.‐F. , LALONDE J. J. , MOMONGAN M. , BERGBREITER D. E. , WONG C.‐H.
Published: May 2016

Lipase‐catalyzed transesterification of the prochiral symmetric dialcohol (I) in an organic medium yields the optically active monoacetate (S)‐(III) together with the diacetate (IV); the isopropenyl alcohol freed from (II) during the transesterification rapidly tautomerizes to volatile acetone, making the process irreversible and simpler for product isolation.
ChemInform Abstract: Stereoselective Cyclization of Enynes Mediated by Metallocene Reagents.
Authors: RAJANBABU T. V. , NUGENT W. A. , TABER D. F. , FAGAN P. J.
Published: May 2016

The enynes (I) are efficiently cyclized to bicyclic metallacyclopentenes such as (III) with a metallocene reagent such as that formed in situ using the Ti species (II).
ChemInform Abstract: Stereoselective Route to N‐Methyl‐2,3‐cis‐Disubstituted Piperidines.
Authors: NEESON S. J. , STEVENSON P. J.
Published: May 2016

Isophorone (I) consecutively reacts with hydroxylamine hydrochloride (II) and tosyl chloride (III) to give the O‐tosyloxime (IV) which undergoes acid‐induced rearrangement, yielding the lactam (V).
ChemInform Abstract: 1,2,6,7‐Octatetraen‐4‐yne ‐ 1,2,8,9‐Decatetraene‐4,6‐diyne ‐2,4,6‐Octatriyne.
Authors: MAERKL G. + , ATTENBERGER P. , KELLNER J.
Published: May 2016

Reaction of the bromoallenes (I) with the acetylenes (II) or (IV) yields the substitution products (III) and (V).
ChemInform Abstract: Control of Metal‐Catalyzed Reactions. Part 16. Nickel‐Catalyzed Cooligomerization of 2‐tert‐Butyl‐1,3‐butadiene with Butadiene.
Authors: BARTIK T. , HEIMBACH P. , HIMMLER T. , MYNOTT R.
Published: May 2016

The cooligomerization of the butadiene (I) and 1,3‐butadiene (II) with a nickel(0)‐catalyst produces only low yields of the cyclotrimers (III) and (IV).
ChemInform Abstract: Benzothiopyranoindazoles, a New Class of Chromophore Modified Anthracenedione Anticancer Agents. Synthesis and Activity Against Murine Leukemias.
Authors: SHOWALTER H. D. H. , ANGELO M. M. , BERMAN E. M. , KANTER G. D. , ORTWINE D. F. , ROSS‐KESTEN S. G. , SERCEL A. D. , TURNER W. R. , WERBEL L. M. , WORTH D. F. , ELSLAGER E. F. , LEOPOLD W. R. , SHILLIS J. L.
Published: May 2016

Reaction of the nitrothioxanthen‐9‐ones (I) with the aminoalkylhydrazine (II) gives the 5‐nitrobenzothiopyranoindazoles (III) which are reduced, forming the corresponding amino compounds (IV).
ChemInform Abstract: Me3SiCN. Part 7. Palladium‐ and Nickel‐Catalyzed Reaction of Methylenecyclopropanes with Trimethylsilyl Cyanide.
Authors: CHATANI N. , TAKEYASU T. , HANAFUSA T.
Published: May 2016

The 1‐methylene‐2‐phenylcyclopropanes (I) react with trimethylsilyl cyanide (II) in the presence of a Pd catalyst to produce mixtures of the allylic nitriles (III), together with the cyano(silylmethyl)cyclopropanes (IV).
ChemInform Abstract: Improved Synthesis of M(Fe2(CO)8)2 (M = Si, Ge, or Sn), and the X‐Ray Crystal Structure of Si(Fe2(CO)8)2.
Authors: ANEMA S. G. , BARRIS G. C. , MACKAY K. M. , NICHOLSON B. K.
Published: May 2016

Silane and germane (I) react with diiron enneacarbonyl (II) in hexane to give the bicyclic complexes (IIIa) and (IIIb).
ChemInform Abstract: Synthesis of N‐(Jasmonoyl)amino Acid Conjugates.
Authors: KRAMELL R. , SCHMIDT J. , SCHNEIDER G. , SEMBDNER G. , SCHREIBER K.
Published: May 2016

The reaction of naturally occurring jasmonic acid (I) with the ester (III) and of (±)‐(I) with Val, Leu, Ile, Phe and Trp yields the title compounds, e.g. (IV) (yield given in g).
ChemInform Abstract: Microstructure and Properties of Sprayed Ceramic Coating
Authors: SHI K.‐S. , QIAN Z.‐Y. , ZHUANG M.‐S.
Published: May 2016

are studied because such coatings can be used for thermal protection of metals, or thermal insulation.
ChemInform Abstract: Electrochromic Display Device with Inorganic Ion Exchanger. Part 5. Behavior of Vacuum‐Evaporated WO3 and VO2 Films as the Counterelectrode.
Authors: KUWABARA K. , ICHIKAWA S. , SUGIYAMA K.
Published: May 2016

The characteristics of two types of ECD (electrochromic display device) cells are studied: a symmetrical cell, a‐WO3/Sn(HPO4)2·H2O/a‐WO3, and an asymmetrical cell using VO2 as counterelectrode.
ChemInform Abstract: The Corrosion Inhibition of Mild Steel by Ascorbic and Folic Acids
Authors: SEKINE I. , NAKAHATA Y. , TANABE H.
Published: May 2016

is investigated by measuring the corrosion weight loss of the steel in 0.3% NaCl solution at 30 °C. Among the non‐toxic inhibitors studied (vitamins B1, B2, B6, C, M, P, and calcium D‐panthothenate) the vitamins C and M show the best inhibition effect.
ChemInform Abstract: The Regiochemistry and Stereochemistry of 1,3‐Dipolar Cycloaddition of Cyclic Nitrones.
Authors: ALI SK. A. , KHAN J. H. , WAZEER M. I. M.
Published: May 2016

While the cycloaddition of alkenes such as (II) to the pyrroline N‐oxide (I) affords a mixture of all possible isomers (III) + (IV), the reaction of alkenes such as (V) with (I) is regioselective and leads to the 2‐substituted adducts, e.g. (VI).
ChemInform Abstract: Substituent Effects Upon the Kinetics of Hydrogen Transfer from Triorganotin Hydrides to the 5‐Hexen‐1‐yl Radical.
Authors: PIKE P. W. , GILLIATT V. , RIDENOUR M. , HERSHBERGER J. W.
Published: May 2016

Steric and electronic effects are probed for the hydrogen atom transfer reaction of triorganotin hydrides such as (II) to the 5‐hexen‐1‐yl radical derived from (I).
ChemInform Abstract: Mechanism of the Metathesis Between Carbon Tetrachloride and (η1‐Allyl)iron Complexes. A Radical Chain Reaction of Overall Five‐Thirds Order.
Authors: LEE M.‐T. , WATERMAN P. S. , MAGNUSON R. H. , MEIROWITZ R. E. , PROCK A. , GIERING W. P.
Published: May 2016

Chemical, kinetic, and stereochemical studies of the metatheses between (I) and (II) show that the reaction proceeds via a radical chain mechanism that involves the generation of the initiating radicals by a pre‐equilibrium homolysis of the iron‐allyl bond in the starting material.
ChemInform Abstract: Titanium‐Induced Reductive Elimination of 2‐Yne‐1,4‐diols.
Authors: HUANG J. , GOEDKEN V. , WALBORSKY H. M.
Published: May 2016

The dimethylhexyne‐1,4‐diol (I) is treated with a low valent titanium agent, obtained by reduction of TiCl4 with LiAlH4, to give the dimethylhexadiene (II).