bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: New Aspects in the Tautomerism of 1,2,3‐Butatriene Episulfides.
Authors: TOKITOH N. , HAYAKAWA H. , ANDO W.
Published: May 2016

The chloroallene (I) is dehydrochlorinated to form the carbene (II) which is trapped with tetramethylcyclopentanethione (III), yielding the adducts (IV) and (V).
ChemInform Abstract: Polycarbonyl Heterocycles. Part 7. A New Convenient Route of Synthesis of 1H‐Pyrrole‐2,3‐dione Derivatives.
Authors: ZALESKA B.
Published: May 2016

The reaction of diones such as (I) according to A) gives title compounds of type (II) (9 examples: yield 58‐82%) which can be obtained alternatively by treatment of type (III) according to A) (yield: 53‐72%).
ChemInform Abstract: (3 + 2)Cycloadditions of Indolenine‐Derived Azomethine Ylides, a Rapid Entry into Pyrrolo(1,2‐a)indolines.
Authors: FISHWICK C. W. G. , JONES A. D. , MITCHELL M. B. , SZANTAY C. JUN.
Published: May 2016

The trimethylindolenine (I) is N‐alkylated with trimethylsilylmethyl triflate (II) to give the salt (III) which forms the intermediate ylide (IV) upon desilylation with fluoride ions.
ChemInform Abstract: Reactions of Organic Anions. Part 152. Vicarious Nucleophilic Substitution of Hydrogen in Pteridine Derivatives.
Authors: MAKOSZA M. , OSTROWSKI S.
Published: May 2016

Whereas the reaction of unsubstituted pteridine with the anion Tos‐CHCl‐ (containing the Cl leaving group) is unsuccessful, the substituted pteridines (I) react with this anion, generated from sulfone (II), to give the vicarious nucleophilic substitution (VNS) products (III).
ChemInform Abstract: Structural Characterization of (VO(salicylhydroximate)(CH3OH))3: Applications to the Biological Chemistry of Vanadium(V).
Authors: PECORARO V. L.
Published: May 2016

The title complex (I) is prepared from vanadyl‐bis(acetylacetonate) or VCl3, salicylhydroxamic acid and NaOMe or NaOH in MeOH with air acting as the oxidant.
ChemInform Abstract: Contributions on the Chemistry of Bor. Part 197. Synthesis, Structure, and Complex Formation of 1,3,2,4‐Diphosphadibora(1.1.0)cyclobutanes.
Authors: KOELLE P. + , LINTI G. , NOETH H. + , POLBORN K.
Published: May 2016

The diaminodiphosphadiboretanes (I) are irradiated to give the title compounds (II).
ChemInform Abstract: Organophosphorus Analogues and Derivatives of the Natural L‐Amino Carboxylic Acids and Peptides. Part 6. A PhosphaC‐Peptide Analogue of Plumbemycin A.
Authors: NATCHEV I. A.
Published: May 2016

The title compound (V) is synthesized as outlined in the scheme.
ChemInform Abstract: 5H‐Isoindolo(1,2‐b)(3)benzazepines. Part 6. Synthesis of 7,8,13,14‐Tetrahydro‐5H‐isoindolo(1,2‐b)(3)benzazepin‐5‐one Derivatives.
Authors: PROKSA B. , UHRIN D. , VADKERTI A.
Published: May 2016

The synthesis of the title compounds (II) from dihydronarceine imide (I) is described.
ChemInform Abstract: Unsaturated Carboxylic Acid Dienolates. Reaction with Substituted Cyclohexanones and Unsubstituted Cycloalkanones. Regio‐ and Stereoselectivity.
Authors: BALLESTER P. , COSTA A. , GARCIA‐RASO A. , MESTRES R.
Published: May 2016

Regio‐ and stereoselectivities for the reaction of Li dienolates derived from the acids (II) with substituted cyclohexanones such as (I), (VII), or (XI) are found to depend on reaction time and temperature.
ChemInform Abstract: Novel Route to 4‐Arylcoumarins.
Authors: WATTANASIN S.
Published: May 2016

When the hydroxycoumarin (I) is treated with p‐fluorophenylmagnesium bromide (II) in the presence of cuprous halides, only moderate amounts of the arylated coumarin (III) are obtained.
ChemInform Abstract: Total Synthesis and Enzyme‐Substrate Interaction of D‐, DL‐, and L‐Phosphinotricine, “Bialaphos” (SF‐1293) and Its Cyclic Analogues.
Authors: NATCHEV I. A.
Published: May 2016

D,L‐Phosphinotricine (IV) and its cyclic analogue (VI) are synthesized using the known methodologies shown in the scheme.
ChemInform Abstract: Possible Effect of Hydrogen Bonding on Methylation of Pyrimidine and Pyridone Nucleosides.
Authors: YAMAUCHI K. , HOSOKAWA T. , KINOSHITA M.
Published: May 2016

Methylation of pyrimidine ribonucleosides such as (I) occurs preferentially at the sugar unit to give the 2'‐, 3'‐ or 5'‐methylated products (III)‐(V).
ChemInform Abstract: Remarkable Structures of Dialane(4), Al2H4.
Authors: LAMMERTSMA K. , GUENER O. F. + , DREWES R. M. , REED A. E. , VON RAGUE SCHLEYER P.
Published: May 2016

Examination of the potential energy surface of dialane by ab initio MO theory at the MP4(SDTQ)/6‐31G**//HF/6‐31G* + ZPE level, including nine structures, show the salt‐like structures (I) and (II) to be the most stable isomers.
ChemInform Abstract: Oxide Ion‐Conducting Solid Electrolytes and their Application Possibilitie s. Part 49. Electric Conductivity and Transport Numbers of Zirconium‐Praseodymium‐Yttrium Mixed Oxides.
Authors: VASHUK V. , JAKOBS S. , MOEBIUS H.‐H. +
Published: May 2016

Mixed oxides containing ZrO2, Pr6O11, CeO2, and Y2O3 are prepared using solid state methods.
ChemInform Abstract: The Effect of Nb on the Hot Corrosion Behavior of Ni‐Base Superalloy.
Authors: ZENG K. , JIN Z. , HUANG P.
Published: May 2016

Up to 3.5 wt.% Nb are shown to reduce the Na2SO4‐induced hot corrosion resistance of GMR‐235D, a superalloy containing Nb as a strengthening element.
ChemInform Abstract: The Mechanism of Blister Formation and Rupture in the Pitting of Ion‐Implanted Aluminum
Authors: NATISHAN P. M. , MCCAFFERTY E.
Published: May 2016

is studied after polarization of the ion‐implanted Al in aqueous 0.1 M NaCl above the pitting potential.
ChemInform Abstract: Highly Stereoselective Synthesis of Exocyclic Tetrasubstituted Enol Ethers and Olefins. A Synthesis of Nileprost.
Authors: TAKAHASHI A. , KIRIO Y. , SODEOKA M. , SASAI H. , SHIBASAKI M.
Published: May 2016

A method is developed for the stereoselective synthesis of exocyclic tetrasubstituted enol ethers such as (III) and olefins such as (XIV) and (XVII).
ChemInform Abstract: Stereoselective Reduction of C=X by a Chiral 1,4‐Dihydropyridine (NADH‐Mimic) in a Self‐Immolative Process.
Authors: MEYERS A. I. , BROWN J. D.
Published: May 2016

The chiral dihydropyridine (+)‐(II) reduces the ketones (I) in the presence of magnesium perchlorate to give the optically active alcohols (S)‐(III).
ChemInform Abstract: Palladium‐Catalyzed C‐Alkylations of the Highly Acidic and Enolic Triacetic Acid Lactone. Mechanism and Stereochemistry.
Authors: MORENO‐MANAS M. , RIBAS J. , VIRGILI A.
Published: May 2016

Alkylation of the hydroxymethylpyrone (I) with the allyl acetates (II) in the presence of a catalyst yields the 3‐alkylpyrones (III) or the dicinnamylpyrandione (IV).
ChemInform Abstract: Ring Expansions via Photoinduced Single Electron Transfer‐Promoted Opening of Cyclopropyl Ethers.
Authors: GASSMAN P. G. , BURNS S. J.
Published: May 2016

Simmons‐Smith reaction of the enol ethers (I) with methylene iodide (II) forms the cyclopropanes (III).
ChemInform Abstract: The Directed ortho‐Metalation Connection to Aryl‐Aryl Cross Coupling. A General Regiospecific Synthesis of Phenanthrols.
Authors: FU J. , SHARP M. J. , SNIECKUS V.
Published: May 2016

The arylboronic acids (I) are coupled with the o‐bromotoluenes (II) in the presence of a Pd catalyst and subsequently with LDA to yield the phenanthrols (IV).
ChemInform Abstract: Synthesis and Aggregation Behavior of Chiral Cysteine Amphiphiles with s‐Triazine as Connecting Unit.
Authors: STAATZ I. , GRANZER U. H. , BLUME A. , ROTH H. J.
Published: May 2016

Various homologous liposome building blocks of type (IV) with L‐cysteine as chiral hydrophilic head group are synthesized starting from the known chelate (I) via the preamphiphiles (III).
ChemInform Abstract: Synthesis of 1,4‐Benzothiazepines and Investigation of Their Reactions.
Authors: CZOLLNER L. , SZILAGYI G. , LANGO J.
Published: May 2016

Coupling of the ethyl thiosalicylate (I) with the nitroalkenes (II) yields the nitroethyl sulfides (III) which are reduced and treated with perchloric acid, forming the salts (IV).
ChemInform Abstract: Synthesis of (C5Me5)Ta(S)2‐ 3 and the Structure of a Hexagonal‐Prismatic Ta2Li4S6 Core.
Authors: TATSUMI K. , INOUE Y. , NAKAMURA A. , CRAMER R. E. , VANDOORNE W. , GILJE J. W.
Published: May 2016

The reaction of (I) with 4‐5 equiv. Li2S2 (II) in THF (III) unexpectedly gives the title complex (IV) (space group C2/c, Z=4) which is also obtained by the reaction of (V) with (II).
ChemInform Abstract: Oxovanadium(IV) and Dioxomolybdenum(VI) Complexes: Synthesis from the Corresponding Acetylacetonato Complexes and X‐Ray Structures.
Authors: LEE S. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

Displacement of acac from MoO2(acac)2 or VO(acac)2 in the reaction with the acidic form of the substituted 7,16‐dihydro‐tetraazatetradecine is a stepwise process.
ChemInform Abstract: The Interaction of 1‐Methylimidazoline‐2(3H)‐thione with Copper(II) Salts.
Authors: AINSCOUGH E. W. , BAKER E. N. , BINGHAM A. G. , BRODIE A. M.
Published: May 2016

In view of the interest in complexes containing Cu(II)‐thiolate bonds as small‐molecule mimics for the blue copper protein metal site, the reaction conditions for the interaction of the title ligand with Cu(II) salts are investigated.
ChemInform Abstract: Ruthenium Phthalocyanine Chemistry: Synthesis and Properties of a Mixed‐Valence Nitrido‐Bridged Ruthenium Phthalocyanine Dimer.
Authors: ROSSI G. , GARDINI M. , PENNESI G. , ERCOLANI C. , GOEDKEN V. L.
Published: May 2016

The compounds phthalocyaninatoruthenium(II) or bis(pyridine)phthalocyaninatoruthenium(II), used as the starting materials for the preparation of the title complex (I), are heated with NaN3 suspended in α‐chloronaphthalene to give (I).
ChemInform Abstract: Resolution of (.+‐.)‐3‐Methylmuconolactone and the Absolute Configurations of the Naturally Occurring 3‐ and 4‐Methylmuconolactones: X‐Ray Crystal Structures of (S)‐1‐Phenylethylammonium Salts and a Bromodilactone.
Authors: CAIN R. B. , FREER A. A. , KIRBY G. W. , RAO G. V.
Published: May 2016

The degradation of benzene derivatives by fungi and bacteria leads to the muconolactone intermediates (‐)‐(I) and (VI), respectively.
ChemInform Abstract: Syntheses of Natural Coumarinolignans: Oxidative Coupling of 7,8‐Dihydroxycoumarins and Phenylpropenes in the Presence of Diphenyl Selenoxide.
Authors: TANAKA H. , ISHIHARA M. , ICHINO K. , ITO K.
Published: May 2016

Oxidation of fraxetin (IIa) or daphnetin (IIb) with diphenyl selenoxide in the presence of coniferyl alcohol (Ia), sinapyl alcohol (Ib), or isoeugenol (V) yields the trans‐adducts (IV) and (VI) after acetylation with acetic anhydride (III).
ChemInform Abstract: Mechanism of Hypophosphite‐Reduced Electrolesss Copper Plating.
Authors: HUNG A. , CHEN K.‐M.
Published: May 2016

Cyclic voltammetry is used to study the effects of nickel deposits and boric acid on the electroless deposition of Cu using sodium hypophosphite as the reducing agent and a variety of complexing agents (citrate, tartrate, malate, oxalate, glycine, EDTA).
ChemInform Abstract: New Family of 2Hb‐Type Layered Diselenides: Preparation of 2Hb‐Re1/2Ta1/2Se2 and 2Hb‐Os1/3Ta2/3Se2.
Authors: HAYASHI K. , HYOMA M. , YAMANAKA H. , NISHIHARA H.
Published: May 2016

In the attempt to prepare the isoelectronic mixed metal diselenides Re0.5Ta0.5Se2 (I), Os0.33Ta0.66Se2 (II), Ir0.25Ta0.75Se2, and Pt0.2Ta0.8Se2, only the title compounds (I) and (II) are obtained as single phase.
ChemInform Abstract: Oxometalates Containing Boron Islands, Ni5MB2O10.
Authors: BLUHM K. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the hitherto unknown title compounds with M: Ge or Zr are obtained from melts of the components NiO:MO2 = 5:1 in the presence of B2O3 as a flux at 1300‐1400 °C. The isotypic compounds crystallize in the space group Pbam with Z=2.
ChemInform Abstract: Synthesis of 1‐Propylthio‐3‐(2‐butenylthio)‐1‐butene from Di(2‐butenyl) Disulfide and Propyl Iodide in the System KOH‐DMSO.
Authors: AMOSOVA S. V. , NOSYREVA V. V. , SIGALOV M. V.
Published: May 2016

The hitherto unknown title compound (III) is prepared.
ChemInform Abstract: Asymmetric Synthesis of α‐Substituted o‐Methoxybenzyl Alcohols via Stereoselective Additions to Kinetically Resolved o‐Anisaldehyde(tricarbonyl)chromium.
Authors: DAVIES S. G. , GOODFELLOW C. L.
Published: May 2016

Resolution of the aldehyde (±)‐(I) is achieved by reaction with valinol (II) followed by selective hydrolysis of the resulting diastereomeric imines.
ChemInform Abstract: Synthesis and Pharmacological Properties of N‐Thienylalkylenediamines.
Authors: RONSISVALLE G. , PAPPALARDO M. S. , VITTORIO F. , PASQUINUCCI L. , CARUSO A. , FELICE A. , AMICO‐ROXAS M.
Published: May 2016

A series of the title compounds such as (III), (V) or (VII) are prepared and tested for analgesic, anti‐inflammatory and anti‐pyretic activities.
ChemInform Abstract: A Dissociative Pathway for Equilibration of a Hydrido CoL(H)2+ Complex with CO2 and CO: Ligand‐Binding Constants in the Macrocyclic (14)Dienecobalt(I) System.
Authors: CREUTZ C. , SCHWARZ H. A. , WISHART J. F. , FUJITA E. , SUTIN N.
Published: May 2016

Pulse‐radiolysis experiments yield equilibrium and kinetic data for the binding of H+, CO2, and CO to the low‐spin macrocyclic complex (I) in aqueous solution.
ChemInform Abstract: Stable Monomeric N‐Aryl Methanimines.
Authors: CORTOLANO F. P. , PASTOR S. D. , RAVICHANDRAN R. , STEINBERG D. H.
Published: May 2016

The 2,6‐disubstituted aniline (I) forms the stable methanimine (III).
ChemInform Abstract: 1‐Alkylamino‐4‐arylamino‐5‐nitro‐(and 5‐amino)‐8‐hydroxyanthraquinones: Greenish‐Blue Dyes for Synthetic Polymer Fibres.
Authors: PETERS A. T. , CHAO Y. C.
Published: May 2016

The 4‐arylamino‐5‐nitro‐1,8‐dihydroxyanthraquinones (I) react with the alkylamines (II) in the presence of boric acid to give the 1‐alkylaminoanthraquinones (III).
ChemInform Abstract: 4′,5′‐Unsaturated 5′‐Fluoroadenosine Nucleosides: Potent Mechanism‐Based Inhibitors of S‐Adenosyl‐L‐homocysteine Hydrolase.
Authors: MCCARTHY J. R. , JARVI E. T. , MATTHEWS D. P. , EDWARDS M. L. , PRAKASH N. J. , BOWLIN T. L. , MEHDI S. , SUNKARA P. S. , BEY P.
Published: May 2016

The nucleosides (IV) are prepared by two routes; one of them is detailed in the scheme.
ChemInform Abstract: Pyrolysis of Preceramic Polymers in Ammonia: Preparation of Silicon Nitride Powders.
Authors: BURNS G. T. , CHANDRA G.
Published: May 2016

The pyrolysis of cross‐linked polycarbosilanes, polysilanes, and polysilazanes in an ammonia atmosphere at 1473 K yields amorphous, low‐carbon silicon nitride powders, which partially crystallize to α‐Si3N4 at 1773 K in NH3 or N2.
ChemInform Abstract: Ferroelectric Properties of Tungsten Bronze Morphotropic Phase Boundary (MPB) Systems
Authors: OLIVER J. R. , NEURGAONKAR R. R. , CROSS L. E.
Published: May 2016

Review: (presentation of structural and ferroelectric properties of several MPB bronze systems, including data from sintered and hot pressed ceramics, epitaxial thin films, and bulk single crystals with a look at other tungsten bronze systems which may possess MPB regions which hitherto have not been identified; 39 refs.
ChemInform Abstract: Chemistry on Rigid Surfaces. Part 11. Aerosils with Covalently Movable and Rigid Linked Fluorophors.
Authors: HORNER L. , HALLENBACH W. , VOGT M.
Published: May 2016

Some modified aerosils are prepared, e.g. (I) and (II).
ChemInform Abstract: Thermal Reactions of Cyclic Ethers at High Temperatures. Part 5. Pyrolysis of 2,3‐Dihydrofuran Behind Reflected Shocks.
Authors: LIFSHITZ A. , BIDANI M.
Published: May 2016

The major reaction of (III) is unimolecular isomerization to give (II) and the subsequent product (I).
ChemInform Abstract: Fused Ring Systems from Thiolane 1,1‐Dioxide. Part 3. Two Cyclization Routes of N‐Substituted trans‐3‐Chloro‐4‐thioureidothiolane 1,1‐Dioxide.
Authors: KHASKIN G. I. , ROZHENKO A. B. , KHIL'CHEVSKAYA E. G. , BENZMENOVA T. E.
Published: May 2016

The trans‐3‐chloro‐4‐thioureidosulfolanes, prepared in situ from the aminosulfolane (I) and the isothiocyanates (II), cyclize in the presence of amines to give the fused thiazolimines (III) or the imidazolethiones (IV) depending on the basicity of the amine used.
ChemInform Abstract: Basic Media Behavior of N‐(2‐(1‐Hydroxy‐2‐Y‐ethyl)phenyl) Ethyl Carbamates (Y: SMe, SOMe, SO2Me, H, Br, CN).
Authors: GARCIA RUANO J. L. , PEDREGAL C. , RODRIGUEZ J. H.
Published: May 2016

The hydrolysis of the carbamate (I) yields the unexpected product (III) (no yield given) which is most likely formed via attack of Me‐OH (II) to the vinylsulfoxide intermediate (VI).
ChemInform Abstract: The Synthesis of New Bis/Mono Fluorinated Sultones and Their Derivatives.
Authors: MOHTASHAM J. , COX D. G. , BURTON D. J. , GARD G. L.
Published: May 2016

Heating of decafluoro‐1,5‐hexadiene (I) with SO3 (II) results in the formation of the mono‐ (III) or bis‐β‐sultone (IV) depending on the educt ratios.
ChemInform Abstract: 2,2‐Bis(trifluoromethyl)‐4,5‐dihydro‐1,3,5‐triazepines from 4,4‐Bis‐(trifluoromethyl)‐1,3‐diazabuta‐1,3‐dienes.
Authors: BURGER K. , KAHL T.
Published: May 2016

The hetero‐1,3‐dienes (I) react with the azirine (II), forming the cycloadducts (III).
ChemInform Abstract: Unusual Transformation of Nitroethyl Acetate in the Silylation Reaction.
Authors: DANILENKO V. M. , IOFFE S. L. , STRELENKO YU. A. , TARTAKOVSKII V. A.
Published: May 2016

Silylation of the nitroethyl acetate (I) produces the trimethylsiloxyisoxazoline (IV).
ChemInform Abstract: Experimental and Theoretical Study of Mo2(form)4 and (Mo2(form)4)+ (form‐: ((p‐tol)NCHN(p‐tol))‐).
Authors: COTTON F. A. , FENG X. , MATUSZ M.
Published: May 2016

Ligand exchange reaction is a new method to prepare the complex (IIIa).
ChemInform Abstract: Synthesis, Structure, and Physical Properties of Tetrakis(μ‐diphenyl phosphato)dimolybdenum(II).
Authors: MORROW J. R. , TROGLER W. C.
Published: May 2016

The diphenyl phosphate‐bridged Mo‐Mo complex (IV) is formed according to the scheme and characterized by X‐ray structure analysis (space group P1, Z=1).
ChemInform Abstract: Reactivity of Fe(CO)4(H)MPh3 (M: Si, Ge) and Mechanism of Substitution by Two‐Electron‐Donor Ligands: Implications for the Mechanism of Hydrosilylation of Olefins Catalyzed by Fe(CO)5.
Authors: BELLACHIOMA G. , CARDACI G. , COLOMER E. , CORRIU R. J. P. , VIOUX A.
Published: May 2016

The title complexes (I) undergo carbonyl displacement with nucleophilic ligands (phosphines, phosphites) to give complexes such as (III), (IIIb) is too unstable to be isolated.
ChemInform Abstract: Oxidation of Amines with 2‐Sulfonyloxaziridines (Davis′ Reagents).
Authors: ZAJAC W. W. JUN. , WALTERS T. R. , DARCY M. G.
Published: May 2016

The aliphatic primary amines (I) react with one equivalent of the phenylsulfonylphenyloxaziridine (II) to give the N‐benzylideneamines (III) and the monomeric or dimeric nitroso compounds (IV) and (V).
ChemInform Abstract: Catalytic Reaction of Dimethyl Diazomalonate with 2‐Mono‐ and 2,5‐Dialkyl(alkenyl)‐Substituted Furans.
Authors: NEFEDOV O. M. , VASIL'VITSKII A. E. , ZLATKINA V. L. , YUFIT D. S. , STRUCHKOV YU. T. , SHOSTAKOVSKII V. M.
Published: May 2016

Rh(II)‐catalyzed reaction of dimethyl diazomalonate (II) with the furans (I) gives exclusively the Z‐keto dienes (IIIa) and (IIIb) or the keto triene (IIIc).
ChemInform Abstract: Studies on 1,3,4‐Oxadiazoles. Part 12. Preparation and Antimicrobial Activity of p,p′‐Bis(2‐Substituted‐benzalamino/benzoylamino‐1,3,4‐oxadiazol‐5‐ylmethoxy)diphenyl Sulfones.
Authors: VANSDADIA R. N. , VIKANI H. J. , RAREKH H.
Published: May 2016

The bishydrazide (III), obtained upon treatment of the sulfone (I) with hydrazine hydrate (II), react with cyanogen bromide (IV) to form the oxadiazole derivative (V).
ChemInform Abstract: Chirality Transfer from Silicon to Carbon: Use of Optically Pure Cyclic Silanes with a Binaphthalene Chiral Unit.
Authors: JUNG M. E. , HOGAN K. T.
Published: May 2016

1‐Bromo‐2‐methylnaphthalene (I) is dimerized to yield the racemic binaphthalene (II) which is optically resolved via bromination and separation of the diastereomeric ephedrine salts.
ChemInform Abstract: Synthesis and Characterization of Air‐Stable Chromium(II) Complexes with 1,4,8,11‐Tetrakis(2‐aminoethyl)1,4,8,11‐tetraazacyclotetradecane.
Authors: ASATO E. , KIDA S. , MURASE I.
Published: May 2016

Cr(II) halides react with the macrocyclic ligand in MeOH to give the stable complexes (I).
ChemInform Abstract: Synthesis and Chemistry of (η3‐Pentadienyl)iron Tricarbonyl Halides.
Authors: WILLIAMS G. M. , RUDISILL D. E.
Published: May 2016

Halide ions induce an isomerization of the η5‐pentadienyl ligand in the Fe complexes (I) and (III) in preference to displacement of CO to give the neutral, preferred syn (W‐shaped) η3‐pentadienyl complexes (II) and (IV) respectively.
ChemInform Abstract: Dynamics of Unimolecular Dissociation of Sodium Cluster Ions
Authors: BRECHIGNAC C. , CAHUZAC PH. , LEYGNIER J. , WEINER J.
Published: May 2016

(Na+ n, 5 ≤ n ≤ 40) are studied by means of tandem time‐of‐flight mass spectroscopy.
ChemInform Abstract: Oxidation of Phosphorus(III) Halides by Red Photolysis of Ozone Complexes in Solid Argon.
Authors: MOORES B. W. , ANDREWS L.
Published: May 2016

The phosphorus halides PX3 (X: F, Cl, Br) all form molecular complexes with ozone in solid argon.
ChemInform Abstract: Stereocontrolled Construction of Carbocyclic Rings by Sequential Cationic Cyclization‐Pinacol Rearrangements.
Authors: HIRST G. C. , HOWARD P. N. , OVERMAN L. E.
Published: May 2016

Treatment of the readily accessible stereoisomeric mixture of allyl silyl ethers (I) with SnCl4 leads to a rearrangement reaction producing the octahydroazulenes (IIa).
ChemInform Abstract: An Oxy‐Cope Approach to Hydroazulenoids. Synthetic and Mechanistic Aspects of Thermal Cyclization Reactions.
Authors: SWORIN M. , LIN K.‐C.
Published: May 2016

Thermal reaction of each of the trans‐configurated allylic halides (IIa) or (IIb) yields the cis‐hydroazulenone (III); in the thermolysis reactions of the epimeric analogues (IV) the chloride (IVb) leads to the trans analogue (VII) of (III), along with the compound (VIII), whereas (IVa) undergoes preferential ketonization to the cyclodecenone (V).
ChemInform Abstract: Eight‐Membered Ring Templates for Stereoselective Radical Cyclizations.
Authors: WINKLER J. D. , SRIDAR V.
Published: May 2016

The 3‐iodopropylcyclooctadienes (II), prepared from the cyclooctadienone (I) by conventional methods, are subjected to radical‐induced cyclization, forming the trans‐ or cis‐fused cyclooctenones (III) and (IV) as the main products.
ChemInform Abstract: Pyrimidine Derivatives. Part 5. Synthesis and Nucleophilic Reactions of 5‐Bromo‐6‐bromomethyl‐1‐(2‐bromoethyl and 2‐bromopropyl)‐3‐methyl‐2,4(1H,3H)‐pyrimidinedione.
Authors: KINOSHITA T. , NAKAHATA N. , KOUCHI A. , FURUKAWA S.
Published: May 2016

The oxazinedione (I) reacts with the ethanolamines (II) to give the pyrimidinediones (III) which are brominated under different reaction conditions, producing the tribromides (IV) or the dibromoperhydrooxazolopyrimidinediones (V).
ChemInform Abstract: Synthesis and Chemical Characterization of Complexes Containing Semiquinone Units Bridged by Pentaoxodimolybdate Groups. Structural and Electrochemical Studies of ((n‐C4H9)4N)2(Mo4O10(C6H2O4)2) and ((n‐C4H9)4N)3(Mo6O15(C6O6)2) and of an Analogous Tetraoxydibenzofuran Complex, ((n‐C4H9)4N)2(Mo4O10(C12H4O5)2), Prepared from Metal‐Mediated Radical Coupling of 1,2,4‐Trihydroxybenzene Precursors.
Authors: LIU S. , SHAIKH S. N. , ZUBIETA J.
Published: May 2016

The title complexes are investigated by X‐ray diffraction.
ChemInform Abstract: Divalent Rhenium Coordination to Two Radical Schiff‐Base Quinone Ligands.
Authors: DELEARIE L. A. , HALTIWANGER R. C. , PIERPONT C. G.
Published: May 2016

The complex (IV), which is also obtained when Re2(CO)10 is used instead of (II), crystallizes in P1 with Z=4.
ChemInform Abstract: Radical‐Cation‐Initiated Diels‐Alder Di‐ and Trimerization of 3,4‐Dimethoxypropenylbenzene: Stereochemical Correlation with the Lignans Galbulin and Isogalbulin.
Authors: WILSON R. M. , DIETZ J. G. , SHEPHERD T. A. , HO D. M. , SCHNAPP K. A. , ELDER R. C. , WATKINS J. W. II , GERACI L. S. , CAMPANA C. F.
Published: May 2016

Diels‐Alder reaction of methylisoeugenol (I) initiated by the radical cation salt BAHA leads to the compounds (II) and (III) as well as to the trimers (IVa)‐(VIIb).
ChemInform Abstract: Stereochemical Criteria Providing Unambiguous Experimental Evidence for the Intermediacy of Ion/Molecule Complexes in the Generation of Enolates (III) from Gaseous Alkoxides (II).
Authors: SUELZLE D. + , SCHWARZ H.
Published: May 2016

Both alkoxide (II) and its H/D epimer undergo loss of H2 and HD in a 1:1 ratio.
ChemInform Abstract: Cr(III) or Ce(IV) Impregnated Perfluorinated Resin‐Sulfonic Acid Catalyst for the Oxidation of Alcohols.
Authors: KANEMOTO S. , SAIMOTO H. , OSHIMA K. , UTIMOTO K. , NOZAKI H.
Published: May 2016

The title reagents, obtained by exchange of the counter metal of the ‐SO3K units in the perfluorinated resin Nafion‐551 using Cr(O‐Ac)3 or (NH4)2Ce(NO3)6, are effective catalysts for the oxidation of sec. alcohols (7 out of 18 examples are given in the scheme).
ChemInform Abstract: Novel Synthesis of Carbamic Ester from Carbon Dioxide, Amine, and Ortho Ester.
Authors: ISHII S. , NAKAYAMA H. , YOSHIDA Y. , YAMASHITA T.
Published: May 2016

In the course of studies directed at producing organic compounds from CO2, a synthesis of carbamic esters of type (IV) and (VII) is developed.
ChemInform Abstract: Synthesis of Tetrakis(trifluoromethyl)lead.
Authors: JUHLKE T. J. , GLANZ J. I. , LAGOW R. J.
Published: May 2016

The title compound (III) is synthesized in low yields by cocondensation of PbCl2 (I) with CF· 3 radicals (II) generated from a hexafluoroethane plasma source.
ChemInform Abstract: Reactions of Coordinated Ligands. Part 44. The Reactivity of the Carbyne Complex (Mo(CCH2tBu)(P(OMe)3)2(η‐C5H5)) Toward Protonic Acids, Diphenylphosphine, and the π‐Acid Tetracyanoethylene; Formation and Crystal Structures of (MoH(CCH2tBu)(P(OMe)3)2(η‐C5H5)) (BF4), (Mo(σ‐OC(O)CF3)(η2‐HOC(O)CF3)(P(OMe)3)2(η‐C5H5)), and (Mo(CCH2tBu)(η2‐C2(CN)4)(P(OMe)3)(η‐C5H5)).
Authors: BOTTRILL M. , GREEN M. , ORPEN A. G. , SAUNDERS D. R. , WILLIAMS I. D.
Published: May 2016

The reaction of the title complex (II) with HBF4·Ac2O affords the hydrido‐carbyne complex (I).
ChemInform Abstract: Evaluation of Kinetic Parameters for the Thermal Decomposition of γ‐Irradiated Sodium Bromate by Dynamic Thermogravimetry.
Authors: NAIR S. M. K. , MALAYIL K. K. , JACOB P. D.
Published: May 2016

γ‐Irradiation is shown to enhance the thermal decomposition of NaBrO3 to NaBr and O2.
ChemInform Abstract: Catalyst System for One‐Step Hydroxylation of Benzene Under Ambient Conditions.
Authors: KUNAI A. , WANI T. , UEHARA Y. , KURODA Y. , ITO S. , SASAKI K.
Published: May 2016

The solid catalyst shown in the scheme operates in neat benzene under ambient conditions.
ChemInform Abstract: Cross‐Coupling of Bromonitrobenzenes with Organozinc Reagents in Mixed Solvents.
Authors: OKAMOTO Y. , AOYAMA Y.
Published: May 2016

The cross‐coupling reaction of p‐bromonitrobenzene (I) with the organozinc compounds (II) in THF is accelerated by polar aprotic co‐solvents such as HMPA, DMF or DMSO (cf.
ChemInform Abstract: Sterically Shielded Halocyclobutanones. Part 4. Favorskii Rearrangement of Cyclopropylsubstituted 2‐Chlorocyclobutanones.
Authors: DONSKAYA N. A. , BESSMERTNYKH A. G. , SHABAROV YU. S.
Published: May 2016

The title compounds (III) and (VI) are prepared for the first time by (2 + 2) cycloaddition of chloroketene, generated from chloroacetyl chloride (II), to the methylenecyclopropanes (I) and (V).
ChemInform Abstract: The Chemistry of L‐Ascorbic and D‐Isoascorbic Acids. Part 2. (R)‐ and (S)‐Glyceraldehydes from a Common Intermediate.
Authors: MIKKILINENI A. B. , KUMAR P. , ABUSHANAB E.
Published: May 2016

The monobenzylidene tetrol (I) obtained from L‐ascorbic acid is degraded by periodate oxidation to give the protected (R)‐glyceraldehyde (II).
ChemInform Abstract: Tris(trimethylsilyl)methyl and Tris(dimethylphenylsilyl)methyl Derivatives of Boron. Crystal Structures of Dihydroxy(tris(trimethylsilyl)methyl)borane and of the Lithium‐Boron Complex ((MeOH)2Li(μ‐OMe)2B(OMe)2).
Authors: AL‐JUAID S. S. , EABORN C. , EL‐KHELI M. N. A. , HITCHCOCK P. B. , LICKISS P. D. , MOLLA M. E. , SMITH J. D. , ZORA J. A.
Published: May 2016

Tris(trimethylsilyl)methyl‐Li (II) reacts with trimethoxyborane (I) to give the trisilylmethyl‐B compound (III) and the borate (IV).
ChemInform Abstract: Synthesis and Radioprotective Activity of 2‐Phenylethylamine Derivatives.
Authors: ALPATOVA T. V. , KOVTUN V. YU. , OLOVYANISHNIKOVA Z. A. , KLIMOVA A. D. , KULINSKII V. N. , YASHUNSKII V. G.
Published: May 2016

The 2‐phenylethylamine derivatives (I) and the azoles (II) are prepared by common methods.
ChemInform Abstract: syn‐anti Selectivity of cis‐3,4‐Disubstituted Cyclobutenes. Part 3. Chlorothio‐ and Dithio‐Substituted Cyclobutenes.
Authors: LANDEN H. , MARGRAF B. , MARTIN H.‐D. , STEIGEL A.
Published: May 2016

The cis‐3,4‐disubstituted cyclobutenes (I) undergo 1,3‐dipolar cycloaddition with the un‐ or monosubstituted diazomethanes (II) to form solely the cis‐adducts (III), whereas (I) and diphenyldiazomethane (IV) produce the trans‐adducts (V).
ChemInform Abstract: Direct Observation of the Kinetic Acidities of Transient Aromatic Cation Radicals. The Mechanism of Electrophilic Side‐Chain Nitration of the Methylbenzenes.
Authors: MASNOVI J. M. , SANKARARAMAN S. , KOCHI J. K.
Published: May 2016

The methylbenzenes (I), (VI), and (IX) form colored CT complexes when mixed with tetranitromethane (V) in solution.
ChemInform Abstract: 2‐Phosphino‐ and 2‐Phosphinylbenzenethiols: New Ligand Types.
Authors: BLOCK E. , OFORI‐OKAI G. , ZUBIETA J.
Published: May 2016

A new class of polydentate ligands such as (III), (V), (VII) or (IX) (13 members described) are prepared by reaction of (I) with a variety of chlorophosphines or phosphinoxides and characterized by 1H and 31P NMR spectra.
ChemInform Abstract: Chromium(II) Alkoxides: Synthesis and Crystal Structure of the Monomeric ((RO)4Cr) (Na(TMEDA))2 (R: 2,6‐Dimethylphenyl) and Dimeric ((RO)8Cr2) (NaL)4 (R: Phenyl; L: THF, Pyridine) Without a Cr‐Cr Bond. An Insight into the Question of Cr‐Cr Quadruple Bond Formation.
Authors: EDEMA J. J. H. , GAMBAROTTA S. , VAN BOLHUIS F. , SPEK A. L.
Published: May 2016

Pyrophoric, insoluble and probably polymeric species, as for example (II), are obtained from (I) and (III) or alternatively from bis(2,4,6‐trimethylphenyl)tris(tetrahydrofuran)chromium and the appropriate alcohols.
ChemInform Abstract: Vinyl Group Rearrangement in the Enzymatic Cyclization of Squalenoids: Synthesis of 30‐Oxysterols.
Authors: MEDINA J. C. , GUAJARDO R. , KYLER K. S.
Published: May 2016

The synthesis of the product (VI) from (I)/(II) represents a new approach to the asymmetric preparation of C‐30 functionalized lanosterols, the key step being the enzymatic cyclization (±)‐(V) → (‐)‐(VI) with rearrangement of the vinyl group.
ChemInform Abstract: Enantioselective Synthesis of Sitophilate, the Granary Weevil Aggregation Pheromone.
Authors: CHONG J. M.
Published: May 2016

The (2S,3R)‐isomer (VII) is prepared as shown in 22% overall yield from the alcohol (I).
ChemInform Abstract: The Copigmentation Reaction of Anthocyanins: A Microprobe for the Structural Study of Aqueous Solutions.
Authors: BROUILLARD R. , MAZZA G. , SAAD Z. , ALBRECHT‐GARY A. M. , CHEMINAT A.
Published: May 2016

VIS spectra of (I) in the presence of (II) indicate the formation of a loose 1:1 complex.
ChemInform Abstract: Total Synthesis of (.+‐.)‐Jolkinolide A, B, and E Utilizing a New Mild Esterification Followed by Intramolecular Wittig‐Horner Reaction.
Authors: KATSUMURA S. , KIMURA A. , ISOE S.
Published: May 2016

The efficient preparation of jolkinolide E (VIII), A (X) and B (XI) via the common intermediate (III) includes a new synthetic method for the preparation of a γ‐ylidenebutenolide, i.e. a mild esterification followed by an intramolecular Wittig‐Horner reaction (cf.
ChemInform Abstract: Electron Spin Resonance Investigation of ZrO2‐supported Ruthenium. Evidence of Strong Metal‐Support Interaction.
Authors: CATTANIA M. G. , GERVASINI A. , MORAZZONI F. , SCOTTI R. , STRUMOLO D.
Published: May 2016

An ESR investigation of Ru/ZrO2 shows that Ru centers are present in different oxidation states, two of which are paramagnetic, RuIII and RuI.
ChemInform Abstract: Synthesis of 2‐Oxo and 2‐Thioxo‐3(2H)‐benzothiazoleethanimidic Acid Anhydride with Acetic Acid and Related Products.
Authors: D'AMICO J. J. , BOLLINGER F. G. , FREEMAN J. J.
Published: May 2016

The benzothiazolones (I) and the related thione (IV) are converted to the benzothiazolylacetamides (III) which are treated with the carboxylic anhydrides (VIII) to produce the imino anhydrides (IX) mentioned in the title.
ChemInform Abstract: Electrophilic trans‐Quaternization of Substituted 2‐(2‐Cyclohexen‐1‐ylthio(seleno))pyridines into 4a,10a‐cis‐4,4a‐trans‐1,2,3,4,4a,10a‐Hexahydrobenzothiazolo(selenazolo)(3,2‐a)pyrimidinium Salts.
Authors: SHESTOPALOV A. M. , NESTEROV V. N. , SHARANIN YU. A. , LITVINOV V. P. , MORTIKOV V. YU. , SHKLOVER V. E. , STRUCHKOV YU. T.
Published: May 2016

The cyclohexenylthio(seleno)pyridines (III), prepared from the thioxo‐(selenoxo)pyridines (I) and the cyclohexenyl bromides (II), cyclize upon treatment with bromine or iodine, producing the anellated pyridinium salts (IV).
ChemInform Abstract: Electrochemical and Spectroscopic Evidence on the Participation of Quadrivalent Nickel in the Nickel Hydroxide Redox Reaction.
Authors: CORRIGAN D. A. , KNIGHT S. L.
Published: May 2016

An oxidation of nickel hydroxide beyond the trivalent state to a phase with a nickel valence of 3.6 is observed for anodically charged thin film NiOOH‐electrodes (electrochemical and iodometric measurements).
ChemInform Abstract: The Effects of H+ and K+ Ions in ZSM‐5 Zeolites and of Reaction Conditions on the Pathway and Extent of Ethylbenzene Conversion.
Authors: HOSER H.
Published: May 2016

At 400 K and H‐ZSM‐5 zeolite the acidic functions promote selectively the disproportionation of ethylbenzene.
ChemInform Abstract: Reactions with Aziridines. Part 48. Friedel‐Crafts Reactions with N‐Sulfonated Aziridines and with Open‐Chain Sulfonamides. Sulfonamides as Leaving Groups in Open‐Chain Structures.
Authors: STAMM H. , ONISTSCHENKO A. , BUCHHOLZ B. , MALL T.
Published: May 2016

Various N‐sulfonylaziridines such as (I), (V), (IX), or (XII) are treated with benzene (II) in the presence of aluminum trichloride, yielding phenylated cleavage products, mainly (poly)arylethane derivatives.
ChemInform Abstract: Methoxy(trimethylsilyl)methane and Methoxybis(trimethylsilyl)methane as New Reagents for Homologation.
Authors: YOSHIDA J. , MATSUNAGA S. , ISOE S.
Published: May 2016

The methoxysilylmethanes (I) and (XIII) mentioned in the title are deprotonated and then alkylated with alkyl halides, e.g. (IV) or (XIV), hydroxyalkylated with aldehydes, e.g. (IX), or oxiranes, e.g. (XXI), to yield the corresponding substitution products which are subjected to electrochemical oxidation in methanol (VI).
ChemInform Abstract: Synthesis and Characterization of a New Potentially Ditopic Receptor, 1,4,7,10‐Tetraoxa‐13,16,19,22‐tetraazacyclotetracosane, and the X‐Ray Crystal Structure of Its Mononuclear Copper(II) Complex.
Authors: SESSLER J. L. , SIBERT J. W. , HUGDAHL J. D. , LYNCH V.
Published: May 2016

In order to develop a crown ether system that contains within the same macrocyclic ligand both polyoxa and polyaza subunits as potentially hard and soft binding sites, the synthesis of (III) is carried out.
ChemInform Abstract: Asymmetric (3 + 2)Cycloaddition of 2‐(Sulfonylmethyl)‐2‐propenyl Carbonate Catalyzed by Chiral Ferrocenylphosphine‐Palladium Complexes.
Authors: YAMAMOTO A. , ITO Y. , HAYASHI T.
Published: May 2016

The sulfonylalkenyl carbonate (II) mentioned in the title undergoes cycloaddition reaction with methyl vinyl ketone (III) or methyl acrylate (V) in the presence of Pd catalysts containing the chiral ferrocenylphosphine ligands (I) to form the methylenecyclopentanes (IV) or (VI).
ChemInform Abstract: Aromatic Heteroanellation via Ortho Lithiation‐Cyclization of N‐Acyl‐2‐bromobenzamides.
Authors: HENDI M. S. , NATALIE K. J. JUN. , HENDI S. B. , CAMPBELL J. A. , GREENWOOD T. D. , WOLFE J. F.
Published: May 2016

The N‐acyl o‐bromobenzamides (I) are consecutively metalated with sodium hydride (II) and butyllithium (III), yielding the intermediates (IV) which cyclize to give the Z‐configurated phthalimidines (VI) after acidic dehydrative work‐up.
ChemInform Abstract: Synthesis of 5‐Aryl‐3‐mercapto‐4‐substituted‐triazoles.
Authors: PATHAK U. S. , DEVANI M. B. , SHISHOO C. J. , SHAH S. A.
Published: May 2016

Various title compounds of type (III) (20 examples) are prepared in order to test their diuretic and hypoglycemic activity.
ChemInform Abstract: Transition‐Metal‐Promoted Activation of Carbon‐Carbon Bonds. A New Synthetic Route to Substituted Ruthenocene Derivatives via Ring Expansion Reactions of 3‐Vinyl‐1‐cyclopropenes.
Authors: HUGHES R. P. , ROBINSON D. J.
Published: May 2016

As shown for one example in the scheme, (I) reacts with a substituted 3‐vinyl‐1‐cyclopropene (II) to give the ruthenocene derivative (IIIa).
ChemInform Abstract: An ab initio Characterization of Nitrogen Trioxide Electronic States.
Authors: BOEHM R. C. , LOHR L. L.
Published: May 2016

Ab initio calculations for a number of electronic states of the NO3 radical suggest that the ground state is probably 2A2' with D3h symmetry.
ChemInform Abstract: The First d‐d Fluorescence of a Six‐Coordinate Copper(II) Ion
Authors: DUBICKI L. , KRAUSZ E. R. , RILEY M. J.
Published: May 2016

is observed for Cu(II)‐doped KZnF3 and K2ZnF4 crystals, although an observable emission in six‐coordinate Cu(II) complexes is improbable due to a long‐lying excited state, arising from the Jahn‐Teller split component of the (octahedral) 2γ8(Eg) state which will be strongly coupled with the ground state providing an efficient pathway for radiationless relaxation.
ChemInform Abstract: Organophosphorus Compounds as Potential Fungicides. Part 1. N‐(ω‐Guanidinoalkyl)aminoalkanephosphonic Acids and Their Aminophosphonic Precursors: Preparation, NMR Spectroscopy, and Fast Atom Bombardment Mass Spectrometry.
Authors: CAMERON D. G. , HUDSON H. R. , OJO I. A. O. , PIANKA M.
Published: May 2016

Heating chloromethylphosphonic acid (II) with the diamines (I) in water yields the aminophosphonic acids (III) which, in general, form the ω‐guanidinophosphonic acids (V) upon treatment with S‐methylisothiouronium chloride (IV).
ChemInform Abstract: Isolated Zirconium Chloride Clusters in the Phase Rb5Zr6Cl18B (I). Generalities Regarding the Bonding, Stability, and Size of M6X12‐Type Clusters with and without Interstitial Atoms.
Authors: ZIEBARTH R. P. , CORBETT J. D.
Published: May 2016

(I) is prepared in high yield by reaction of Zr, B, RbCl, and ZrCl4 in a sealed Ta container at 850 °C. It crystallizes in the space group Pmna with Z=2.
ChemInform Abstract: Metal Deposition from Aromatic Solvents.
Authors: ABBOTT A. P. , LONG E. E. , BETTLEY A. , SCHIFFRIN D. J.
Published: May 2016

It is demonstrated that Cu and Pd can be successfully deposited from a phenanthrene/anisole mixed solvent using the amine complexes PdCl2·2 (n‐octylamine) and CuCl·n‐pentylamine.
ChemInform Abstract: Inhibiting Effects of Ethanethiol, Dimethyl Sulfide, and Dimethyl Disulfide on the Corrosion of Stainless Steel (405) in Sulfuric Acid.
Authors: SALEH J. M. , AL‐HAIDARI Y. K.
Published: May 2016

The corrosion protection of stainless steel (type 405) in 5 M H2SO4 by the sulfur compounds of title is studied potentiostatically at various temp. and inhibitor concentrations.
ChemInform Abstract: Structure and Properties of a Pterin‐Containing Ternary Copper(II) Complex, (Cu(bpy)(PC)(H2O))·3 H2O (bpy: 2,2′‐Bipyridine; PC: Pterin‐6‐carboxylate). Implications for the Active‐Site Copper‐Cofactor Bonding in Chromobacterium violaceum Phenylalanine Hydroxylase.
Authors: KOHZUMA T. , MASUDA H. , YAMAUCHI O.
Published: May 2016

The title complex (I) crystallizes in P21/n with Z=4.
ChemInform Abstract: Mechanism of the Lanthanum Bromide Assisted Electrochemical Aldolization of α‐Bromo Ketones.
Authors: FRY A. J. , SUSLA M.
Published: May 2016

Electrochemical reduction of bromo ketone (I) forms its Z enolate highly stereospecifically.
ChemInform Abstract: Making Mercury‐Photosensitized Dehydrodimerization into an Organic Synthetic Method: Vapor Pressure Selectivity and the Behavior of Functionalized Substrates.
Authors: BROWN S. H. , CRABTREE R. H.
Published: May 2016

The title reaction can be made synthetically useful by taking advantage of a simple reflux apparatus, in which the products promptly condense and are protected from further conversion.
ChemInform Abstract: Rearrangements of 5‐ and 6‐Cyano‐2‐norbornyl Cations.
Authors: FERMANN M. , HERPERS E. , KIRMSE W. , NEUBAUER R. , RENNEKE F.‐J. , SIEGFRIED R. , WONNER A. , ZELLMER U.
Published: May 2016

Starting from cyclopentadiene and acryl‐/methacrylnitrile, hydroboration of the Diels‐Alder adducts obtained leads to 5‐exo‐ and 6‐exo‐hydroxy‐norbornane‐2‐carbonitriles together with the 5‐ and 6‐oxonitriles.
ChemInform Abstract: Synthesis of Allylic Ketones via Acylation of Allylic Mercurials.
Authors: LAROCK R. C. , LU Y.
Published: May 2016

The allyl halides (I) react with NaI and Hg (II) to give allylmercuric iodide (III) which is coupled with the acid chlorides (IV) to form the ketones (V).
ChemInform Abstract: Aliphatic Tri‐ and Tetraynic Acids.
Authors: KOLOTILO N. V. , TKACHENKO N. I. , KULIK T. V. , IL'CHENKO A. YA.
Published: May 2016

The title compounds (III) and (VI) are prepared according to the method of Yotkevich and Cadiot, i.e. according to method A).
ChemInform Abstract: Facile Synthesis of a Substituted Bicyclo(4.2.1)nonane via an Anionic (1,3)Sigmatropic Shift: Use of Long Range 2D HETCOR and Difference NOE in Structure Determination.
Authors: JUNG M. E. , KAAS S. M.
Published: May 2016

The cycloadduct (III) of tetrachlorocyclopentadienone (I) and vinylene carbonate (II) is converted to the bicyclic ketone (IV) which is coupled with the acetylide (V), producing a mixture of the diastereomeric alkynyl carbinols (VI) and (VII).
ChemInform Abstract: Studies on Tumor Promoters. Part 5. Complementary 1,4‐Stereocontrol in Phorboid Cycloheptene Synthesis via the Divinylcyclopropane Rearrangement.
Authors: WENDER P. A. , BRIGHTY K.
Published: May 2016

The synthesis of the bicyclic precursors (IX) ‐ (XII) of phorbol is described.
ChemInform Abstract: Intramolecular Photochemical Rearrangement via an In‐Cage Cation‐Radical/Radical Pair of an Anthrylsulfonium Salt Derivative.
Authors: SAEVA F. D. , BRESLIN D. T.
Published: May 2016

Irradiation of (p‐cyanobenzyl)methyl‐9‐anthrylsulfonium hexafluorophosphate (V), prepared from 9‐bromoanthracene (I) as shown in the reaction scheme, results in the formation of the compounds (III) and (VII) ‐(XII).
ChemInform Abstract: Synthesis of Novel Type Derivatives of (1S)‐cis‐2,2‐Dimethylcyclopropanecarboxylic Acid.
Authors: TOLSTIKOV G. A. , GALIN F. Z. , MAKAEV F. Z.
Published: May 2016

The title compounds (III) are prepared.
ChemInform Abstract: Condensed Pyrazoles: Synthesis of New Methyl and Amino Pyrazolo(1,5‐a)pyrimidines and of Pyrazolo(5,1‐c) (1,2,4)triazines.
Authors: ELNAGDI M. H. , TAHA N. H. , ABD EL ALL F. A. M. , ABDEL‐MOTALEB R. M. , MAHMOUD F. F.
Published: May 2016

As a part of a biological chemistry project the title compounds, e.g. (III), (V), (VI) and (IX), are synthesized.
ChemInform Abstract: An Improved Synthesis of 2,4‐Dihydro‐1‐oxo(1,2,4)triazolo(3,4‐c)(1,4)benzoxazines and ‐benzothiazines.
Authors: SASTRY C. V. R. , KRISHNAN V. S. H. , NARAYAN G. K. A. S. S. , VEMANA K.
Published: May 2016

The benzoxazinones (I) are transformed into the chlorides (II) which react with the carbazine ester (III) to give the hydrazino derivatives (IV).
ChemInform Abstract: Silicon Compounds with Strong Intramolecular Steric Interactions. Part 35. Reactions of 1,2‐Dihalodisilanes with Alkali Metal Amides: Formation and Structure of a Tetrahydrodibenzo(b,f) (1,5)disilocine.
Authors: WEIDENBRUCH M. , PAN Y. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Treatment of the sterically congested 1,2‐dihalodisilanes (I) with Na amide (II) or of (Ia) with corresponding Li alkylamides gives the corresponding 1,2‐diaminodisilanes (III).
ChemInform Abstract: Triterpenes. Part 90. Conversion of Betulin into Careyagenolide (2α,3β‐Dihydroxy‐18α,19βH‐ursan‐28,20β‐olide).
Authors: SEJBAL J. , KLINOTOVA E. , BLUDSKA M. , KLINOT J. , BUDESINSKY M.
Published: May 2016

The title compound (II) is prepared by hydroxylation and reduction of the ketone (I) which in turn is synthesized from betulin by a sequence of known reactions.
ChemInform Abstract: Synthesis of L‐2‐Spirocyclopropyl‐2‐deoxyarabinose.
Authors: PETTER R. C. , POWERS D. G.
Published: May 2016

The key step in the preparation of the spirocyclopropyldeoxyarabinose (XI) is the dichlorocyclopropanation of the methylenedeoxyarabinose derivative (VII).
ChemInform Abstract: Tris(trimethylsilyl)silane as Mediator in Organic Synthesis via Radicals.
Authors: GIESE B. , KOPPING B. , CHATGILIALOGLU C.
Published: May 2016

Coupling of cyclohexyl iodide (I) with the olefinic compounds (II) is induced by silyl radicals, generated from tris(trimethylsilyl)silane to produce the substituted cyclohexanes (III).
ChemInform Abstract: The Total Synthesis of Avermectin A1a.
Authors: DANISHEFSKY S. J. , ARMISTEAD D. M. , WINCOTT F. E. , SELNICK H. G. , HUNGATE R.
Published: May 2016

The key fragments (I) and (II) for the total synthesis of the title compound are elaborated from D‐glucose and D‐ribose and coupled through a crossed aldol dehydration maneuver to give the adduct (IV).
ChemInform Abstract: Synthesis and in vitro Activity of 1β‐Methyl C‐2 Quaternary Heterocyclic Alkylthio Carbapenems.
Authors: KIM C. U. , LUH B. Y. , MISCO P. F. , HITCHCOCK M. J. M.
Published: May 2016

The 1β‐methyl carbapenems mentioned in the title, e.g. (VIII), are prepared from the p‐nitrobenzyl ester (I) as shown in the reaction scheme.
ChemInform Abstract: Preparations and Reactions of Symmetrical Dimethylenebiphenyl Dianions. Conformations of (0.n)‐o‐Cyclophanes. A Simple NMR Method for Determining Twist Angles in Biphenyls.
Authors: BATES R. B. , CAMOU F. A. , KANE V. V. , MISHRA P. K. , SUVANNACHUT K. , WHITE J. J.
Published: May 2016

Treatment of the symmetrical dimethylbiphenyls (I) with butyllithium/ potassium tert‐butoxide generates the corresponding dianions which react with electrophiles such as (II) to give the biphenyl derivatives (III).
ChemInform Abstract: Investigation of the Reactions of 2‐Hydrazinobenzimidazoles with β‐Diketones: Synthesis of 2‐(3,5‐Disubstituted‐1H‐Pyrazol‐1‐yl)benzimidazoles.
Authors: JOSHI K. C. , JAIN R. , DANDIA A. , SHARMA K.
Published: May 2016

The 2‐hydrazinobenzimidazoles (I) react with the 1,3‐diketones (II) in refluxing ethanol to form the pyrazolylbenzimidazoles (III).
ChemInform Abstract: Difference in Thermal Behaviour Between 1‐ and 2‐Alkyl‐5‐(methoxycarbonyldiazomethyl)tetrazoles.
Authors: L'ABBE G. , GELINNE M. , TOPPET S.
Published: May 2016

Methyl cyanoacetate (I) and ammonium azide (II) form the tetrazole (III).
ChemInform Abstract: Amine‐Nickel Complexes. Part 5. Lewis‐Acidity of Nickel(0). Part 11. Amine‐bis(ethene)nickel(0) Complexes; Structure of 1‐Azabicyclo(2.2.2)octane‐bis(ethene)nickel(0) ((C7H13N)Ni(C2H4)2).
Authors: KASCHUBE W. , POERSCHKE K. R. + , BONRATH W. , KRUEGER C. + , WILKE G.
Published: May 2016

The Ni complex (I) reacts with amines to give the complexes (III) or (V).
ChemInform Abstract: The Novel Complex (LRuIV(μ‐O)3RuIVL) (PF6)2·H2O ‐ A Molecular Segment of the Structures of BaRuIVO3 (High Pressure Phase) and Ba5/6Sr1/6RuIVO3.
Authors: NEUBOLD P. , DELLA VEDOVA B. S. P. C. , WIEGHARDT K. , NUBER B. , WEISS J.
Published: May 2016

Starting with a μ‐oxo‐di‐μ‐acetato‐bridged Ru(III) complex of the cyclic triamine, the Ru(II)/Ru(III) complex (Ia) is prepared by reduction with Zn amalgam in aqueous solution (pH 2).