bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Direct Synthesis of Hexafluoroferrates(III) and Reaction of Thiocyanate and Fluoride with Iron(III) and Hydrogen Peroxide as an Access to Fluoro(sulfato)ferrates(III).
Authors: CHAUDHURI M. K. , ISLAM N. S.
Published: May 2016

The hexafluoroferrates (IIIa)‐(IIIc) have been directly synthesized as shown in the scheme.
ChemInform Abstract: The Structure of an Allenylsodium Derivative ‐ Competition Between Carbanion Resonance Delocalization and Gegenion Charge Localization.
Authors: SCHADE C. , VON RAGUE SCHLEYER P. , GEISSLER M. , WEISS E.
Published: May 2016

The great importance of the counterion in determining the structure of a carbanion is revealed by ab initio and MNDO calculations performed for allenyl anions and by the result of the X‐ray structure analysis of (I) (prepared by reaction of 2,2,5,8,8‐pentamethyl‐3,6‐nonadiyne with BuNa and excess of the diamine in H2O‐free hexane at ‐18 °C with a yield of 82%), which crystallizes in the space group P21/n with Z=4.
ChemInform Abstract: Isomerization of Methylbenzonitriles Catalyzed by HZSM‐5.
Authors: WEIGERT F. J.
Published: May 2016

The toluene cyanides (Ia) ‐ (Ic) are passed over the zeolite catalyst HZSM‐5 to produce an equilibrating mixture.
ChemInform Abstract: Electrochemical Generation of Iron(IV)‐Oxo Porphyrins and Iron(IV)‐Oxo Porphyrin π Cation Radicals.
Authors: CALDERWOOD T. S. , BRUICE T. C.
Published: May 2016

Fe(III) porphyrin complexes with weakly basic ligands (Cl‐ or ClO4‐) in the first electrochemical one‐electron oxidation yield Fe(III) porphyrin π‐cation radicals.
ChemInform Abstract: Reactions of Cyclopropenes. Part 7. Nickel(0)‐Catalyzed Cotrimerization of 3,3‐Dimethylcyclopropene with Methyl Acrylate.
Authors: BINGER P. , BRINKMANN A. , WEDEMANN P.
Published: May 2016

The cotrimerization of the title compounds (I) and (II) is catalyzed by phosphane‐ or phosphite‐Ni(0) compounds using ligands L and Ni(COD)2 under mild conditions.
ChemInform Abstract: Synthesis of Vinylketenes. Thermolysis of 3‐Azido‐1,2‐benzoquinones.
Authors: DORSEY D. A. , KING S. M. , MOORE H. W.
Published: May 2016

The thermal behaviour of the azidoquinones (I) is investigated.
ChemInform Abstract: Photooxygenation of 1,1‐Diphenyl‐2‐vinylcyclopropane.
Authors: SHIM S. C. , SONG J. S.
Published: May 2016

The photooxygenation of (I) sensitized by 9,10‐dicyanoanthracene (II) and biphenyl (III) yields the products (IV) ‐ (VI).
ChemInform Abstract: Reaction of Hydroxy and Carbonyl Compounds with Sulfur Tetrafluoride. Part 17. Reactions of Glyoxal and of Hydroxyaldehydes with SF4.
Authors: STEPANOV I. V. , BURMAKOV A. I. , KUNSHENKO B. V. , ALEKSEEVA L. A. , YAGUPOL'SKII L. M.
Published: May 2016

The reaction of SF4 with glyoxal (I) ‐ molar ratio 1:2 ‐ yields a mixture of the isomeric 1,2‐difluoroethyleneglycolorthosulfites (II).
ChemInform Abstract: Transannular Reactions of Cycloalkenes, Cycloalkadienes and Cycloalkatrienes. Part 13. Different Selectivities in Bromofluorination Reactions Using N‐Bromosuccinimide/Triethylamine Tris Hydrofluoride or Olah′s Reagent.
Authors: HAUFE G. , ALVERNHE G. , LAURENT A.
Published: May 2016

The cyclic dienes (I) and (V) are bromofluorinated to yield the products (II) ‐ (IV) and (VI) ‐ (IX) respectively.
ChemInform Abstract: Synthetic Methods. Part 21. Regiochemistry of Halogen Azide Addition to Allenes.
Authors: HASSNER A. , KEOGH J.
Published: May 2016

The addition of iodine azide (III) to allene (I) leads to the formation of the bis‐adduct (IV), probably via the vinyl azide (V).
ChemInform Abstract: Synthetic Approach to Versatile Chiral Molecules Containing a Fluorine Atom.
Authors: KITAZUME T. , NAKAYAMA Y.
Published: May 2016

Starting with the fluoro compounds (I) and (V), the fluoro diketones (IV) and the unsaturated fluoro ketones (VIII) are prepared by known methods.
ChemInform Abstract: Reaction of Halonitroacetic Acid Esters with Amine Type Reagents.
Authors: YURTANOV A. I. , MARTYNOV I. V.
Published: May 2016

The halonitroacetates (I) react with ammonia, methylamine or hydrazine (II) to give the ammonium nitronates (III) of the corresponding halonitroacetic amides (IV).
ChemInform Abstract: Radical Reactions of Ethyl Orthoacetate with 3,3,3‐Trifluoropropene.
Authors: KHATUNTSEV I. I. , PASTUSHENKO E. V. , TERENT'EV A. B.
Published: May 2016

The sodium initialized thermal radical reaction of the orthoacetate (I) with trifluoropropene (II), producing the ester (III) and the hexafluoromethylamyl methyl ketone (IV) together with ethylacetate (V), is investigated and its mechanism discussed.
ChemInform Abstract: Synthesis of Vicinal Aminocarbamates in the Acetylene Series.
Authors: MAVROV M. V. , SIMIRSKAYA N. I.
Published: May 2016

Both, mixtures of the allenylurethane (I) and the butynylurethane (II) or the isolated compounds, react with the secondary amines (III) to give the vicinal diaminoethylacetylenes (IV) together with small amounts of the 1,4‐diaminobutynes (V).
ChemInform Abstract: 1,4‐Pentadien‐3‐ones. Part 31. Syntheses of s‐trans/s‐trans Fixed 1,4‐Pentadien‐3‐ones and Their Reactions with Active Methylene Compounds.
Authors: KUEHN R. + , OTTO H.‐H.
Published: May 2016

The cyclohexadienones (III) are prepared from the cyclohexanones (I) by several routes as shown in the reaction scheme.
ChemInform Abstract: Polybromocyclopentadienes in the Reactions of the Diene Synthesis. Part 5. Reactivity of Hexabromo‐1,3‐cyclopentadiene in the Reaction of the Diene Synthesis with N‐Phenylacrylamides.
Authors: MUSTAFAEV A. M. , GUSEINOV M. M. , KASYMOV KH. I.
Published: May 2016

The reactivity of hexabromocyclopentadiene (I) towards the N‐arylacrylamides (II) is studied.
ChemInform Abstract: Regioselective Allylation of Ketones Under Neutral Conditions.
Authors: ONO N. , HAMAMOTO I. , KAJI A.
Published: May 2016

The α‐nitro ketones (I) react with the allyl carbonates (II) under neutral conditions in the presence of the palladium complex (III) to give the allyl nitroketones (IV).
ChemInform Abstract: Synthesis of Fluorinated α‐Amino Ketones. Part 2. α‐Acylaminoalkyl α′,α′‐Difluoroalkyl Ketones.
Authors: KOLB M. , NEISES B.
Published: May 2016

The carboxylic acid (Ia) is converted to the acyl chloride (Ib) and the anhydride (Ic).
ChemInform Abstract: Menke Reaction of Disulfonyl Derivatives of Phenylenediamines.
Authors: ZAKATOV V. V. , DUBINA V. L. , BEZVERKHII N. P. , CHEREMISINOV I. V. , NEVIDOMSKAYA G. S.
Published: May 2016

The nitration reactions of the o‐ (Ia) and the m‐phenylenediamine ditosylates (Ib) according to method A) afford the nitro derivatives (IIa) or (IIb), whereas p‐methylenediamine ditosylate (III) gives the p‐benzoquinone derivative (IV).
ChemInform Abstract: Monosulfonylcyclopentadienes.
Authors: HARTKE K. , JUNG M. H. , ZERBE H. , KAEMPCHEN T. +
Published: May 2016

Addition of the sulfonylbromides (II) to cyclopentadiene (I) yields a cis/trans mixture of the bromosulfones (IIIa) ‐ (IIId).
ChemInform Abstract: Coupling of Aryl Chlorides by Nickel and Reducing Metals.
Authors: COLON I. , KELSEY D. R.
Published: May 2016

The coupling of the aryl chlorides (I) producing the biaryls (V) is accomplished by reacting (I) with zinc (III) and nickel chloride (II) in the presence of a phosphine such as (IV).
ChemInform Abstract: Synthesis and Cytostatic Activity of N‐(Chloroethylaminoethyl)‐4‐chloro‐L‐proline Ethyl Ester.
Authors: KHVOROVA N. M. , KLYUEV N. A. , NIFONTOV V. I. , PUSHKAREVA Z. V. , BOBARYKINA K. YU. , SMAL'KO M. A. , ANOSHINA G. M.
Published: May 2016

Starting with the chloroproline ester (I) or the tosylate (VIII), the title compound (VII) is obtained by three synthetic routes.
ChemInform Abstract: Synthesis and Decomposition of 1,3‐Dioxolanehydrotrioxides.
Authors: KURAMSHIN E. M. , KULAK L. G. , ZLOTSKII S. S. , RAKHMANKULOV D. L.
Published: May 2016

Treatment of the dioxolanes (I) with ozone affords the title compounds (II), which are stable at low temperatures (up to ‐40 °C).
ChemInform Abstract: Reaction of 1,2‐Dihydro‐3‐indazolone with v‐Dialkylaminoalkyl Halides and α,ω‐Dihalogenalkanes.
Authors: OELSCHLAEGER H. + , MATTHIESEN U. , SHAIK M. A.
Published: May 2016

The reaction of 1,2‐dihydro‐3‐indazolone (I) with 1‐bromo‐3‐chloropropane (II) yields the isomeric tricyclic compounds (III) and (IV).
ChemInform Abstract: Products from Furans. Part 4. Selective Oxidation of 2‐Furfuryl Alcohol Derivatives, in the Presence of Aryl Thioethers, with N‐Bromosuccinimide (NBS). A New Procedure for the Preparation of 2H‐Pyran‐3(6H)‐ones.
Authors: GEORGIADIS M. P. , COULADOUROS E. A.
Published: May 2016

The furfuryl alcohols (I) react with NBS (II), yielding the hydroxypyranones (III).
ChemInform Abstract: A Novel Synthesis of 1‐(2,2‐Dichlorovinyl)uracils by the Reactions of 3‐tert.‐Butyl‐6‐methyluracil and 3‐tert.‐Butyl‐5‐chloro‐6‐methyluracil with Trichloroacryloyl Chloride.
Authors: AKHMETOV L. I. , IVANOV A. V. , SAVIN V. P. , TALZI V. P.
Published: May 2016

The uracils (I) are converted to their sodium salts, which react with perchloroacryloyl chloride (II) to give the title compounds (III) instead of the expected N‐acyl derivatives.
ChemInform Abstract: Chemical and Structural Studies of Azaboranes.
Authors: ARAFAT A. , BAER J. , HUFFMAN J. C. , TODD L. J.
Published: May 2016

The reaction of (I) with sodium nitrite in THF forms the boranates (II)‐(IV) as the major products.
ChemInform Abstract: Polyfluoroalkyl Dibasic Acid Phosphates, Bis(polyfluoroalkyl) Monobasic Acid Phosphates, and Their Precursors.
Authors: MAHMOOD T. , SHREEVE J. M.
Published: May 2016

Reaction of the lithium salts of the alcohols (I) with PCl3 yields ‐ in dependence on the stoichiometry of the reactants ‐ either the dichlorophosphinites (II) or the chlorophosphonites (IV); both undergo N2O4 oxidation to the dichlorophosphinates (III) or to the chlorophosphonates (Va).
ChemInform Abstract: Low Coordinated Phosphorus Compounds. Part 51. Isophosphindoles from 1,2‐Dicarbonyl Dichlorides and Tris(trimethylsilyl)phosphane.
Authors: APPEL R. , CASSER C. , KNOCH F. , NIEMANN B.
Published: May 2016

The 1:1 molar reaction of trisilylphosphane (I) with cyclic 1,2‐dicarbonyl dichlorides (IIa)‐(IIc) leads to the title compounds (III).
ChemInform Abstract: Complexes of IIB Metal Halides with N,N‐Diethylbenzenecarbothioamide Crystal Structure of (Hg(C6H5C(S)N(C2H5)2)I2)2.
Authors: CASTINEIRAS A. , ARQUERO A. , MASAGUER J. R. , MARTINEZ‐CARRERA S. , GARCIA‐BLANCO S.
Published: May 2016

The complexes (I)‐(IV) are prepared by reaction of a solution of the metal halide in EtOH or 1,2‐dichloroethane with the ligand at room temp. for two or more days.
ChemInform Abstract: Active‐Site Chemistry of Hemerythrin: Kinetic Studies on the Reduction of Metmyohemerythrin from Themiste zostericola and the Mechanism for Met and Deoxy Interconversion.
Authors: ARMSTRONG G. D. , SYKES A. G.
Published: May 2016

Three stages are observed in the 2‐equiv.
ChemInform Abstract: Spectrophotometric and X‐Ray Absorption Edge Study of Complexation of Carbon Monoxide with Ferric Tetrasulfophthalocyanine in Alkaline Solution.
Authors: LINKOUS C. A. , O'GRADY W. E. , SAYERS D. , YANG C. Y.
Published: May 2016

The square‐planar title complex is found to complex OH‐ and CO and is believed to produce a reduced state of the metal and a ligand radical of the macrocycle.
ChemInform Abstract: Facile Synthesis of (Z)‐12‐Nonadecen‐9‐one and (Z)‐13‐Eicosen‐10‐one ‐ Components of the Sex Pheromone of Carposina Niponensis Walsingham.
Authors: KULINKOVICH O. G. , TISHCHENKO I. G. , SOROKIN V. L.
Published: May 2016

The title compounds (IVa) and (IVb) are obtained by an improved method.
ChemInform Abstract: Transition‐Metal Complexes of Inorganic Sulphur‐Nitrogen Ligands
Authors: CHIVERS T. , EDELMANN F.
Published: May 2016

Review: (preparation, spectroscopic and structural studies, reactions of complexes of sulphur nitrides, thiazyl halides, sulphur‐nitrogen oxides, sulphur imides, and cyclometallathiazenes and related complexes.
ChemInform Abstract: Electron Spin Resonance and Electron Spin Echo Study of Cu2+ in Zeolites H‐rho and CsH‐rho
Authors: ANDERSON M. W. , KEVAN L.
Published: May 2016

has been carried out in order to determine the site location and adsorbate interaction of Cu2+.
ChemInform Abstract: Vapor‐Phase Composition Above the CdI2‐NaI and the ThI4‐NaI Systems.
Authors: RUSSELL T. D.
Published: May 2016

The UV adsorption spectra of the vapor phases in equilibrium with ThI4, CdI2, and NaI single components and NaI‐CdI2 and NaI‐ThI4 molten salt mixtures are reported and briefly discussed.
ChemInform Abstract: Steady‐State Decomposition of Ammonia on the Pt(110)‐(1 · 2) Surface.
Authors: VAJO J. J. , TSAI W. , WEINBERG W. H.
Published: May 2016

Absolute reaction rates have been measured for the steady‐state decomposition of NH3 on the Pt(110)‐(1 · 2) surface at pressures in the range 1·10‐6 ‐2.6·10‐6 Torr and temp. of 350‐900 K. Thermal desorption measurements, conducted during the steady‐state decomposition, have been used to determine composition, coverage, and kinetics of desorption of the adsorbed species that are present during NH3 decomposition.
ChemInform Abstract: Dependence of the Catalytic Properties of Phosphates with Zeolite Structure on the State of Their Al and P Atoms.
Authors: KIKHTYANIN O. V. , IONE K. G. , MASTIKHIN V. M.
Published: May 2016

Aluminophosphate catalysts M‐AlPO4‐5 (M: Be2+, B3+, Ga3+, Fe3+, Si4+, Ti4+) are synthesized and studied by XRD, high‐resolution MAS NMR and selectivity measurements (methanol conversion).
ChemInform Abstract: Reactions of Hydrocarbons on Alumina‐Supported Pt‐Ir Bimetallic Catalysts. Part 1. Exchange of Methane and Cyclopentane with Deuterium, and Hydrogenolysis of Butane, Pentane and Cyclopentane.
Authors: GARDEN D. , KEMBALL C. , WHAN D. A.
Published: May 2016

Exchange reactions with deuterium of cyclopentane (303 K) and of methane (473 K) and the hydrogenolysis of n‐butane, n‐pentane and cyclopentane have been studied on a series of alumina‐supported Pt‐Ir catalysts.
ChemInform Abstract: Homolytic Reactions of Phenyl Tribromomethyl Sulfone and Olefins.
Authors: FIELDS D. L. JUN. , SHECHTER H.
Published: May 2016

Addition of the tribromomethyl sulfone (I) to some olefins (II) forms sulfones (III).
ChemInform Abstract: Butanolides and Butenolides by Intramolecular Ene‐Reaction During Thermolysis of Propargyl Propiolates.
Authors: BILINSKI V. , KARPF M. , DREIDING A. S.
Published: May 2016

Gas‐phase flow thermolysis of the alkynyl alkynoates (Ia)‐(Ic) at 550 °C yields the products (III), (V), or (X)‐(XIII) via the intermediates shown in the scheme.
ChemInform Abstract: 3,3‐Bis(alkylthio)‐2‐phenylacrylaldehydes as Building Sets for Thiophenes and Pyrazoles.
Authors: RUDORF W.‐D.
Published: May 2016

On the basis of the known synthesis of (VIf) from (I), the title compounds (VI) are prepared in a one‐pot sequence via alkylation of the dithiolates (III).
ChemInform Abstract: Kinetics and Mechanism of Some Vinyl Radical Cyclizations.
Authors: BECKWITH A. L. J. , O'SHEA D. M.
Published: May 2016

The bromodienes (I) react with the radicals (II) to yield mixtures of the cyclic and acyclic olefins (III) ‐ (V).
ChemInform Abstract: Tosyloxylactonization of Alkenoic Acids with (Hydroxy(tosyloxy)iodol) Benzene.
Authors: SHAH M. , TASCHNER M. J. , KOSER G. F. , RACH N. L.
Published: May 2016

The alkenoic acids (I) or (V) are converted to the tosyl lactones (III), (IVb), and (IVc), or (VI) by treatment with the hypervalent iodine reagent mentioned in the title.
ChemInform Abstract: Palladium‐Mediated Diazo Insertions: Preparation of 3‐Alkyl‐2‐carbomethoxycyclopentenones.
Authors: TABER D. F. , AMEDIO J. C. JUN. , SHERRILL R. G.
Published: May 2016

The diazoketo esters (I) or (V) undergo a palladium‐mediated cyclization reaction with compound (II) to form cyclopentenones (III) or (VI).
ChemInform Abstract: Stereoselective Acid‐Catalyzed Claisen Rearrangements.
Authors: DAUB G. W. , SHANKLIN P. L. , TATA C.
Published: May 2016

Thermal ortho ester Claisen rearrangement during the reaction of allylic alcohols (I) with ortho esters (II) produces mixtures of the esters (III) and (IV) with high diastereoselectivity for the syn‐products (III).
ChemInform Abstract: Dye Sensitized Photooxygenation of Substitute Oxime Carbamates.
Authors: CHAWLA H. M. , HASSNER A.
Published: May 2016

Cyclohexanone oxime (Ia) or the corresponding oxime ether (Ib) are photooxygenated to produce cyclohexanone (III) via the intermediate (II).
ChemInform Abstract: 3‐Oxo‐indazoline and 4‐Oxo‐dihydroquinazoline Derivatives from Isatic Acids.
Authors: ALEMAGNA A. , BALDOLI C. , LICANDRO E. , MAIORANA S. , PAPAGNI A.
Published: May 2016

In an attempt to obtain the phosphoranes (III), which are the proposed intermediates in the reaction of the isatins (I) to give the indazolines (IV), the hydrazonoyl chlorides (VIIIa) and (VIIIb) are synthesized from (I).
ChemInform Abstract: Base‐Induced α‐Alkenylation of Ethyl Bromoacetate, Phenacyl Bromide, and Chloroacetonitrile via B‐trans‐1‐Alkenyl‐9‐borabicyclo(3.3.1)nonanes.
Authors: BROWN H. C. , BHAT N. G. , CAMPBELL J. B. JUN.
Published: May 2016

B‐trans‐1‐alkenyl‐9‐borabicyclo(3.3.1)nonane derivatives (I) react with halides (III) in the presence of the base (II) to form E‐olefins (IV) with an isomeric purity of 95 ‐ 98%.
ChemInform Abstract: Peptide Synthesis by Prior Thiol Capture. Part 4. Amide Bond Formation: The Effect of a Side‐Chain Substituent on the Rates of Intramolecular O,N‐Acyl Transfer.
Authors: KEMP D. S. , GALAKATOS N. G. , DRANGINIS S. , ASHTON C. , FOTOUHI N. , CURRAN T. P.
Published: May 2016

The rates of O,N‐acyl transfer from (I) to give (II) are studied to determine the effect of the side chains in the amino acids (A).
ChemInform Abstract: A (2+ + 4) Polar Cycloaddition of α‐Thiocarbocations with 1,3‐Dienes: Synthesis and Thermal Reaction of 1‐Acyl‐1‐methylthio‐2‐vinylcyclopropanes.
Authors: ISHIBASHI H. , OKADA M. , NAKATANI H. , IKEDA M. , TAMURA Y.
Published: May 2016

Treatment of the dienes (II) or (IV) with the chloromethyl methyl sulfides (I) in the presence of SnCl4 gives the vinylcyclopropanes (III) or (V).
ChemInform Abstract: Generation and Reactions of Lithiated tert. Butyl and 2,6‐Di(tert‐butyl)‐4‐methylphenyl Cyclopropane Carboxylates.
Authors: HAENER R. + , MAETZKE T. , SEEBACH D.
Published: May 2016

Lithiation of the cyclopropane carboxylates (I), (XIIIa), or (XIIIb) and subsequent reaction with electrophiles (III)‐(XII) yields the derivatives (II), (XIV), or (XVII).
ChemInform Abstract: Improved Route to 3‐Vinyl Substituted Cyclopentanones. Synthesis of (.+‐.)‐Mitsugashiwalactone.
Authors: NUGENT W. A. , HOBBS F. W. JUN.
Published: May 2016

The unsaturated diester (I) gives the cyclopentanones (III) in a tandem addition/cyclization reaction with lithium cuprates (II).
ChemInform Abstract: Enantioface Differentiating Michael Reaction of Ethyl Acetoacetate with Alkylidenemalonates via Chiral Enamine.
Authors: TOMIOKA K. , YASUDA K. , KOGA K.
Published: May 2016

The salt (Ib), prepared from the optically active enamine (Ia), reacts with the alkylidenemalonates (II), yielding the adducts (III).
ChemInform Abstract: Alkoxyoxaziridines. Stereochemical Aspects of Imidate Oxidation, an Asymmetric Synthesis, and Unusually Facile E‐Z Isomerizations.
Authors: GONZALEZ C. O. , GALLIS D. E. , CRIST D. R.
Published: May 2016

Peracid oxidation of the imidates (Ia) ‐ (Ic) yields the oxaziridines (II) and (III).
ChemInform Abstract: A New Synthesis of Optically Active 2‐Methoxycarbonyl‐4‐azetidinone from L‐Azetidine‐2‐carboxylic Acid: Utility of Ruthenium Tetroxide Oxidation.
Authors: TANAKA K. , YOSHIFUJI S. , NITTA Y.
Published: May 2016

The azetidinone (L)‐(V) mentioned in the title is a versatile chiral building block in the synthesis of β‐lactam antibiotics.
ChemInform Abstract: Synthesis of 4‐(Cyanomethylidene)‐ and 4‐(Ethoxycarbonylmethylidene)4,5,6,7‐tetrahydroindoles and Their Dehydrogenation to 4‐(Cyanomethyl)‐ and 4‐(Ethoxycarbonylmethyl)indoles.
Authors: MATSUMOTO M. , WATANABE N.
Published: May 2016

Reaction of the oxotetrahydroindoles (I) with the phosphonates (II) produces a mixture of the methylidene derivatives (III) and (IV).
ChemInform Abstract: The Reaction of β‐Aminoalcohols with 1,2‐Benzenedicarboxaldehyde. A Correction.
Authors: METZ W. A. , WEPPLO P. J.
Published: May 2016

The condensation product of (II) and (III) is the dihydrooxoisoindole (IVa) and not the oxazoline (Ic) as reported previously in the literature.
ChemInform Abstract: Addition of 2(1H)‐Pyridinethione to 3,4‐Dihydro(2H)‐pyran.
Authors: MEREYALA H. B.
Published: May 2016

The dihydropyran (I) reacts with the pyridinethione (II) to give the tetrahydropyranylthiopyridine (III) rather than the adduct (IV) reported in the literature.
ChemInform Abstract: The Reaction of Quinazolin‐4‐ones with Organo‐Metallic Agents. A Persistent Preference for Ring Rupture over Cyclization.
Authors: RANGANATHAN D. , FAROOQUI F. , MEHROTRA S. , KESAVAN K.
Published: May 2016

Starting with (Ia), the 3‐substituted quinazolinones (Ib), (III), and (IV) are prepared.
ChemInform Abstract: Formation of Pyrimido(1,2‐a)benzimidazoles from 1,2‐Diaminobenzimidazole and Chalcones.
Authors: ORLOV V. D. , DESENKO S. M. , KRUGLENKO V. P. , GNIDETS V. P. , KLYUEV N. A. , POVSTYANOI M. V.
Published: May 2016

The pyrimido(1,2‐a)benzimidazoles (III) are formed by condensation of 1,2‐diaminobenzimidazoles (I) with the chalcones (II).
ChemInform Abstract: Synthesis and Reactions of the First Examples of the 1,5,2,4‐Dioxadiazine Ring System: 2,4‐Dialkyl‐2H‐1,5,2,4‐dioxadiazine‐3,6(4H)‐diones.
Authors: STOWELL J. C. , LAU C. M.
Published: May 2016

The hydroxylamines (I) react with phosgene (II) in the presence of a base like K2CO3 or NaOH to form the carbonates (III) which yield the dioxadiazindiones (IV) upon further treatment with (II).
ChemInform Abstract: Addition Compounds of Alkali Metal Hydrides. Part 29. Preparation and Properties of Chiral Dialkylmonoalkoxyborohydrides. A New Class of Asymmetric Reducing Agents.
Authors: BROWN H. C. , PARK W. S. , CHO B. T.
Published: May 2016

9‐Borabicyclononane (II) (9‐BBN) reacts with the optically active alcohols (I) to form the alkoxy derivatives (III) which are converted to the potassium boranate derivatives (IV).
ChemInform Abstract: Preparation of Enantiomerically Pure β‐Silylcarboxyl Derivatives by Asymmetric 1,4‐Addition to N‐Enoyl‐sultams.
Authors: OPPOLZER W. , MILLS R. J. , PACHINGER W. , STEVENSON T.
Published: May 2016

The sultam (IV) is readily prepared from the acid chloride of (II) with the component (I).
ChemInform Abstract: Synthesis of Phosphinamides in the 5,6‐Oxaphosphabicyclo(2.2.2)octene Series as Possible Precursors of Metaphosphoramidates.
Authors: QUIN L. D. , SZEWCZYK J. , SZEWCZYK K. M. , MCPHAIL A. T.
Published: May 2016

The phospholene oxides (I) and (II) undergo a bromination‐dehydrobromination sequence to give phosphole oxides, which dimerize to yield the phosphanorbornenes (III) or can be trapped with dienophiles like (IV) to yield the adducts (V).
ChemInform Abstract: 1,2,3‐Selenadiazolo(4,5‐d)pyrimidine‐5,7(4H,6H)dione. A Novel Anellated Heterocyclic System.
Authors: IVANOV E. I. , YAVOLOVSKII A. A. , DANILIN V. V. , TKACH A. E. , IVANOVA R. YU.
Published: May 2016

6‐Hydrazinouracil (I) cyclizes with selenous acid to give the selenadiazolopyrimidinedione (II).
ChemInform Abstract: A Facile High‐Yield Synthesis of Di‐η5‐cyclopentadienylhafnacyclopentadiene Compounds.
Authors: SABADE M. B. , FARONA M. F.
Published: May 2016

Hafnocene dichloride (I) is reductively coupled with the alkynes (II), yielding the hafnacyclopentadienes (III).
ChemInform Abstract: Gold(I) Complexes with Bidentate Tertiary Phosphine Ligands: Formation of Annular vs. Tetrahedral Chelated Complexes.
Authors: BERNERS‐PRICE S. J. , SADLER P. J.
Published: May 2016

Reactions of the Au(I) complexes (Ia)‐(Ie), prepared from NaAuCl4 by thioglycol reduction followed by 2:1 molar reaction with diphosphines, with further diphosphines are studied by 31P NMR spectroscopy.
ChemInform Abstract: Metabolites from the Marine Sponge Spongionella Gracilis. Three Further Nor‐Diterpenes, One of Them Based on a Novel Carbocyclic Skeleton.
Authors: MAYOL L. , PICCIALLI V. , SICA D.
Published: May 2016

The title compounds (I) and (II), the latter with a novel carbocyclic skeleton, are very rare metabolites from a marine environment.
ChemInform Abstract: Rearrangements of Pinane Derivatives. Part 9. 8,8‐Dimethyltricyclo(5.1.1.02,5)nonan‐2β‐ol, a Tricyclic Pinane Derivative.
Authors: GIDDINGS R. M. , JONES‐PARRY R. , OWEN R. , WHITTAKER D.
Published: May 2016

The acetate of the previously unknown title compound (II) is prepared by acetolysis of the bicyclic tosylate (I) as main product.
ChemInform Abstract: Deoxy‐nitrosugars. Part 16. Synthesis of N‐Acetyl‐4‐deoxyneuraminic Acid.
Authors: BAUMBERGER F. , VASELLA A.
Published: May 2016

The synthesis of the title compound (III) starts with the γ‐keto ester corresponding to (Ia), the NaBH4 reduction of which yields the epimeric triols (Ia).
ChemInform Abstract: Synthesis of Reducing Disaccharides Bearing a Lipophilic Chain for the Conjugation of Proteins.
Authors: CABARET D. , KAZANDJAN R. , WAKSELMAN M.
Published: May 2016

The disaccharides (V) and (VIIIb) bearing a lipophilic chain at C‐2 and C‐6 respectively are synthesized as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of a Versatile Prostaglandin Intermediate by Ozonization of endo‐cis‐Bicyclo(3.3.0)oct‐6‐en‐2‐ol.
Authors: THEIL F. , MAHRWALD R. , SCHICK H. , MEL'NIKOVA V. I. , VASIL'EVA L. L. , PIVNITSKY K. K.
Published: May 2016

With a view to the applicability in various prostaglandin (PG2‐type) syntheses the racemic aldehydes (IIIa) and (IIIb) are synthesized from the racemic alcohol (I) by ozonolysis, reduction with Me2S in the presence of traces of HCl (→ (II)) and subsequent base catalyzed epimerization.
ChemInform Abstract: Enzymes in Asymmetric Synthesis: Effect of Reaction Media on the PLE Catalysed Hydrolysis of Diesters.
Authors: GUANTI G. , BANFI L. , NARISANO E. , RIVA R. , THEA S.
Published: May 2016

Pig liver esterase selectively hydrolyzes the diacetate (I) to produce the optically active hydroxy ester (III).
ChemInform Abstract: A Paramagnetic Cl‐O Defect Produced by X Irradiation of KBr:ClO‐ 4.
Authors: SEKHAR Y. R. , BILL H.
Published: May 2016

From IR, Raman, and EPR measurements on KBr:ClO4‐ single crystals before and after X‐ray irradiation at 77 K it is concluded that irradiation causes the formation of ClO42‐ (from a parent ClO4‐ ion in Td symmetry) in trigonal symmetry.
ChemInform Abstract: Crystal Structure of ((C2H5)4N)4Cu4Cl12, a New Structural Type for a Tetranuclear Copper(II) Halide Complex.
Authors: WILLETT R. D. , GEISER U.
Published: May 2016

The title compound (prepared by boiling a solution of Et4NCl and CuCl2 in a 1‐propanol‐12 M HCl solution) crystallizes in the monoclinic system, space group P21/c with Z=2.
ChemInform Abstract: Effect of the Oxygen Layer at Solid Ru Electrodes on Hydrogen Oxidation in Acid Solution.
Authors: BREITER M. W.
Published: May 2016

The inhibition of the anodic oxidation of H2 by the oxygen layer on smooth Ru electrodes has been investigated in H2SO4 by voltammetry with and without a superimposed ac current.
ChemInform Abstract: The Effects of Anions on Hydrogen Electrosorption on Platinum Single‐Crystal Electrodes.
Authors: MARKOVIC N. , HANSON M. , MCDOUGALL G. , YEAGER E.
Published: May 2016

The hydrogen adsorption on the low index planes of single crystal Pt has been investigated using a technique which involves annealing in a H2 flame and transfer through the air into the electrolyte.
ChemInform Abstract: Systematic Design of Chemical Oscillators. Part 35. Kinetics and Mechanism of the Reaction Between Chlorine(III) and Bromide Ion.
Authors: VALDES‐AGUILERA O. , BOYD D. W. , EPSTEIN I. R. , KUSTIN K.
Published: May 2016

The main products of the title reaction are found to be Br3‐ and Clwhen Br‐ is in excess, and ClO2 and Br2 when chlorine(III) is in excess.
ChemInform Abstract: Derivatives of Tetrathiotungstate(VI). Synthesis and Structure of (W2(S)2(SH)(μη3‐S2)(η2‐S2)3)‐.
Authors: SECHERESSE F. , MANOLI J. M. , POTVIN C.
Published: May 2016

The title anion has been obtained by simple acidification of a solution of (I) in MeCN.
ChemInform Abstract: Multiply Bonded Octahalodiosmate(III) Anions. Part 3. Synthesis and Characterization of the Octahalodiosmate(III) Anions (Os2X8)2‐ (X: Cl, Br). Crystal Structure Determinations of Two Forms of (PPN)2Os2Cl8 (PPN = Bis(triphenylphosphine)nitrogen(1+)).
Authors: FANWICK P. E. , TETRICK S. M. , WALTON R. A.
Published: May 2016

The complexes (III), (V), (VIIIa) and (VIIIb) have been prepared as shown in the scheme.
ChemInform Abstract: Crystal Structure and Magnetic Properties of Dimeric (2‐Hydroxypropane‐1,3‐diylbis(3′‐t‐butyl‐5′‐methylsalicylideneaminato))copper(II).
Authors: HILMS E. , ELIAS H. , PAULUS H. , WALZ L.
Published: May 2016

The title compound (I) crystallizes in the space group I41/a with Z=16.
ChemInform Abstract: Fe7S6(PEt3)4Cl3: A Topological Link Between the Prismatic and Cuboctahedral Structures of Iron‐Sulfur Clusters.
Authors: NODA I. , SNYDER B. S. , HOLM R. H.
Published: May 2016

On topological grounds, the stability of Fe6S6 and Fe8S6 cores suggests the existence of a heptanuclear cluster containing the Fe7(μ4‐S)3(μ3‐S)3 core of idealized C3v symmetry.
ChemInform Abstract: Kinetic and Equilibrium Studies of the Copper(II) Promoted Hydrolysis of Salicyl Phosphate. A Rate Acceleration of 108 for the Hydrolysis of a Phosphate Monoester Dianion.
Authors: HAY R. W. , BASAK A. K. , PUJARI M. P. , PEROTTI A.
Published: May 2016

The dissociation of salicyl phosphate (I) is investigated in the absence and presence of Cu2+ ions.
ChemInform Abstract: Reactions of Hexa‐ and Pentafluorobenzenes with Ethanolamine.
Authors: GERASIMOVA T. N. , KARGAPOLOVA I. YU.
Published: May 2016

The reactions of the polyfluorobenzenes (I) with ethanolamine (II), a bifunctional nucleophile, are studied.
ChemInform Abstract: Cycloaddition of Carbodiimides and Triphenylketenimine to Allenic Acids.
Authors: TRIFONOV L. S. , ORAHOVATS A. S.
Published: May 2016

The carbodiimide (Ia) reacts with the title acids (II) to afford the urea derivatives (III).
ChemInform Abstract: Condensation of Pentafluorobenzaldehyde with Ketones.
Authors: MIKHALINA T. V. , FOKIN E. P.
Published: May 2016

The acid catalyzed condensation of the title compound (I) with the aliphatic ketones (II), (IV) or (VI) yields the products (III), (V) and (VIII) of bis‐condensation and the product (VII) of monocondensation.
ChemInform Abstract: (3,3)Claisen vs. (2,3)Wittig Shift in Thermal and Fluoride Ion‐Promoted Rearrangements of the O‐ and C‐Silylated Forms of α‐Allyloxy Esters.
Authors: TAKAHASHI O. , MAEDA T. , MIKAMI K. , NAKAI T.
Published: May 2016

The allyloxycarboxylates (I) are converted to the ester enolates (III) or the α‐trimethylsilylcarboxylates (V).
ChemInform Abstract: Hydrofluoric Acid as a Solvent for Direct Fluorination.
Authors: MISAKI S.
Published: May 2016

Fluorination of uracil (I) in HF/AcOH mixture yields the derivative (II) as main product, while the reaction in aqueous HF favors the formation of a difluorinated by‐product.
ChemInform Abstract: Bromination of 4‐(Adamantyl‐1)toluene Initiated with the Di‐tert‐butylperoxyester of 1,6‐Hexanedicarbamic Acid.
Authors: RAKHIMOVA T. F. , OZEROV A. A. , KAL'DERON A. KH.
Published: May 2016

The adamantyltoluene (I) reacts with bromine in the presence of the peroxyurethane (II) at 50°C to give exclusively 2‐bromo‐4‐adamantyltoluene (III).
ChemInform Abstract: Reactions of Enamines of Cyclodecanone and Cyclododecanone with Dimethyl Acetylenedicarboxylate in Apolar and in Polar Solvents.
Authors: VOS G. J. M. , BENDERS P. H. , EGBERINK R. J. M. , REINHOUDT D. N. , HARKEMA S. , VAN HUMMEL G. J. , VAN DER WEERDT A. J. A.
Published: May 2016

The title enamines (I) react with the diester (II) in Et2O as apolar solvent via the (2 + 2) cycloaddition intermediate (III) to afford the dienes (IV), which are stable towards thermal or photochemical treatment.
ChemInform Abstract: A Highly Selective Synthesis of Acetic Acid from Syngas on a Rh‐Ir‐Li/SiO2 Catalyst.
Authors: NAKAJO T. , SANO K. , MATSUHIRA S. , ARAKAWA H.
Published: May 2016

The title catalyst with 5% Rh‐Ir(1/8)‐Li(1/16)/SiO2 yields acetic acid with more than 67% selectivity (carbon efficiency).
ChemInform Abstract: Reaction of αβ‐Unsaturated Acids with Tertiary Amines.
Authors: ZIL'BERMAN E. N. , SALOV V. N. , KRASNOV V. L. , ATOPSHEV S. YU.
Published: May 2016

Acrylic acid (I) reacts with trimethylamine or dimethylhydroxyethylamine (II) to give the betaines (III).
ChemInform Abstract: Synthesis and Properties of Dicyanotrideca‐, ‐pentadeca‐, and ‐heptadecafulvene Derivatives.
Authors: OJIMA J. , ISHIZAKA S. , SHIRAIWA Y. , EJIRI E. , KATO T. , KURODA S. , TAKEDA H.
Published: May 2016

The fulvenes (I) react with malodinitrile (II) to yield the corresponding dicyanomethylenefulvenes (III).
ChemInform Abstract: Small‐Ring Cyclic Cumulenes: Synthesis of a Kinetically Stable Eight Membered Ring Allene.
Authors: PRICE J. D. , JOHNSON R. P.
Published: May 2016

Cycloheptanone (I) is converted to 1‐tert‐butylcycloheptene (II).
ChemInform Abstract: Automerization of (4.2.2)Propella‐2,4,7,9‐tetraene. Intermediacy of a Cyclobutadiene Derivative and Its Trapping by Methanol.
Authors: TSUJI T. , NISHIDA S.
Published: May 2016

Thermolysis of the propellatetraenes (I) produces an equilibrium between (I) and the isomers (II).
ChemInform Abstract: A Facile Method for the Oxidation of Aldehydes to Carboxylic Acids via Acetal‐Type Diperoxides.
Authors: MUKAIYAMA T. , MIYOSHI N. , KATO J. , OHSHIMA M.
Published: May 2016

The aldehydes (I) react with the peroxide (II) in the presence of trityl perchlorate (III) to produce the bisperoxides (IV).
ChemInform Abstract: Facile Synthesis of Azides: Conversion of Hydrazines Using Dinitrogen Tetroxide.
Authors: KIM Y. H. , KIM K. , SHIM S. B.
Published: May 2016

The hydrazines (I) are converted to the azides (II) by treatment with dinitrogen tetroxide.
ChemInform Abstract: The Copper(I)‐Mediated Reactions of Amines with N′‐Cyano‐S‐methylisothioureas and Their Analogues.
Authors: SUYAMA T. , IWAOKA T. , YATSURUGI T. , ICHIKAWA E.
Published: May 2016

The N‐cyanoisothioureas (II) react with the amines (III) in the presence of copper(I) chloride (II) to give the guanidine derivatives (I).
ChemInform Abstract: A Powerful New Stereocontrolled Method for Epoxidation of Electrophilic Alkenes.
Authors: CLARK C. , HERMANS P. , METH‐COHN O. , MOORE C. , TALJAARD H. C. , VAN VUUREN G.
Published: May 2016

Transformation of the hydroperoxide (II) to the Li‐salt followed by reaction with the acrylates (I) gives the epoxides (III).
ChemInform Abstract: High‐Pressure Cycloaddition Reaction of Tropone with Furans.
Authors: SUGIYAMA S. , TSUDA T. , MORI A. , TAKESHITA H. , KODAMA M.
Published: May 2016

High pressure Diels‐Alder reaction of tropone (I) and furan (IIa) produces the 1:1‐adducts (IIIa) and (IVa).
ChemInform Abstract: Synthetic Applications of Electrochemically Produced α‐Methoxyamides. Part 2. Oxidation of Hydroxyproline Derivatives.
Authors: THANING M. , WISTRAND L.‐G.
Published: May 2016

The acetylated hydroxyproline esters (I) or (X) (prepared from the lactone (VIII)) are methoxylated anodically preferentially at C‐5 giving a mixture (→ (III)/(V) or (XIa)/(XIb); the by‐products (V) are formed in addition to (III)/(IV)).
ChemInform Abstract: Synthesis of Imidazo(4,5‐e)(1,4)diazepine and Imidazo(4,5‐e)(1,4)oxazepine Derivatives Using Caffeidine, a Hydrolysis Product of Caffeine.
Authors: OHSAKI T. , KURIKI T. , UEDA T. , SAKAKIBARA J. , ASANO M.
Published: May 2016

Caffeidine (I) is converted to the amide (II) which does not cyclize to form the bisamide (III).
ChemInform Abstract: Synthesis and Angiotensin Converting Enzyme‐Inhibitory Activity of 1,5‐Benzothiazepine and 1,5‐Benzoxazepine Derivatives. Part 3.
Authors: ITOH K. , KORI M. , INADA Y. , NISHIKAWA K. , KAWAMATSU Y. , SUGIHARA H.
Published: May 2016

The amino acids (II) are prepared from the amines (I).
ChemInform Abstract: Reactions of the Metallabromoalkane (Mo((CH2)3Br)(CO)3(η‐C5H5)) and the Carbene Complexes Cyclic trans‐(MoI(=C(CH2)3O)(CO)2(η‐C5H4R)) (R: H or Me) with Li(BEt3H). The Synthesis (R: H or Me) and X‐Ray Structure (R: Me) of Bicyclic (Mo(CH(CH2)3O)(CO)2(η‐C5H4R)) Containing an Unusual Oxygen‐Molybdenum Donor Interaction.
Authors: ADAMS H. , BAILEY N. A. , CAHILL P. , ROGERS D. , WINTER M. J.
Published: May 2016

Treatment of (I) with LiBHEt3 leads to the spectroscopically characterized complex (IIa) along with small quantities of the known compound (IIIa).
ChemInform Abstract: Coordinated 2‐Halo‐1,3,2‐dioxaphosphorinane Ligands. Part 2. Syntheses and 13C, 31P and 95Mo NMR and IR Spectroscopic Characterization of Some Cr and Mo Pentacarbonyl Complexes of 2‐Substituted‐4‐methyl‐1,3,2‐dioxaphosphorinanes.
Authors: GRAY G. M. , WHITTEN J. E. , BOX J. W.
Published: May 2016

The reactions of the 2‐chlorophosphorinane complexes (I), prepared from Mo(CO)6 or Cr(CO)5(NCMe), with a variety of nucleophiles of the type HER are studied.
ChemInform Abstract: Assay of Hydride or Volatile Ligands via Outer‐Sphere Oxidation.
Authors: LEMMEN T. H. , LUNDQUIST E. G. , RHODES L. F. , SUTHERLAND B. R. , WESTERBERG D. E. , CAULTON K. G.
Published: May 2016

Outer‐sphere electron transfer from several transition‐metal polyhydride complexes MHmLn such as (HCuPPh3)6, ReH5(PMe2Ph)3 or MoH4(PMe2Ph)4 to the Fe complex (I) is evaluated as a quantitative procedure for determining the number, m, of hydride ligands present.
ChemInform Abstract: Magnetic and Spectroscopic Study of Some Binuclear and Trinuclear Cobalt(II) Carboxylate Complexes.
Authors: LITTLE I. R. , STRAUGHAN B. P. , THORNTON P.
Published: May 2016

Reaction of CoCO3 (I) with the unsaturated acids (II) and the heteroaromatic ligands (III) results in the formation of either the binuclear cobalt complexes (IVa) or (IVb), or the trinuclear complexes (V); on addition of excess ligand (IIIa), the trinuclear complex (Va) is transformed to the dinuclear complex (IVc).
ChemInform Abstract: Reactions of Ruthenium(II) Carbonyl Complexes.
Authors: THOMAS N. C.
Published: May 2016

The reaction of the salts (I) with pyridine or MeCN in the presence of Me3NO results in substitution of either one or both CO groups and the formation of (III) or (II).
ChemInform Abstract: Di‐n‐alkyl‐(N‐ligand)palladium(II) Complexes. Thermolysis and Reactions with Olefins.
Authors: SUSTMANN R. , LAU J. , ZIPP M.
Published: May 2016

The Pd complexes (IVb)‐(IVd) are prepared according to the procedure employed previously for the synthesis of (IVa).
ChemInform Abstract: Reaction of NO2 with Palladium(II) and Platinum(II) Aryl Complexes; The Crystal Structure of trans‐(Pd(ONO2)2(OPPh3)(PPh3)).
Authors: JONES C. J. , MCCLEVERTY J. A. , ROTHIN A. S. , ADAMS H. , BAILEY N. A.
Published: May 2016

The Pd complexes (II) do not react with NO but react with NO2 to give the nitrato complexes (I) and (III).
ChemInform Abstract: Nucleotides. Part 25. Chemical Synthesis of the Hexaribonucleotide C‐A‐A‐C‐C‐A.
Authors: ICHIBA M. , CHARUBALA R. , VARMA R. S. , PFLEIDERER W.
Published: May 2016

In order to test the Npe‐phosphate protection in an oligonucleotide synthesis, the title nucleotide (X) is synthesized by two different routes using the building units (Ib), (Ic) (obtained from (Ia)), (Ie), (If) (obtained from (Id)) and (IV) (known compound).
ChemInform Abstract: Pheromone Synthesis. Part 94. Synthesis of Both the Enantiomers of the Heterocyclic Pheromones Isolated from the Male Swift Moth Hepialus hecta L.
Authors: MORI K. , KISIDA H.
Published: May 2016

In order to confirm their absolute configuration the title pheromones (IV), (XI) and (XV) are synthesized.
ChemInform Abstract: Synthesis of Optically Active Trifluorinated Compounds: Asymmetric Michael Addition with Hydrolytic Enzymes.
Authors: KITAZUME T. , IKEYA T. , MURATA K.
Published: May 2016

The enzyme‐assisted Michael addition of the trifluoromethylpropenoic acid (I) and the nucleophiles (II) leads to the formation of the optically active acids (III).
ChemInform Abstract: Asymmetric Reduction of Z‐3‐Chloro‐3‐alken‐2‐ones with Fermenting Baker′s Yeast.
Authors: UTAKA M. , KONISHI S. , TAKEDA A.
Published: May 2016

The αβ‐unsaturated chloroketones (I) are reduced by baker's yeast to yield the saturated chloroketones (II).
ChemInform Abstract: The Crystal Structure of η‐Ti3N2‐x. An Additional New Phase in the Ti‐N System.
Authors: LENGAUER W.
Published: May 2016

The new phase, denoted as η‐Ti3N2‐x, has been obtained by quenching Ti‐N alloys with about 30 at.% N from 1333‐1363 K to 20 °C. η‐Ti3N2‐x (space group R3m) is isostructural with ε‐Hf3N2‐x and Ta2VC2‐x and consists of a close‐packed metal atom arrangement with nine alternating hexagonal and cubic close‐packed metal atoms (ABABCBCAC).
ChemInform Abstract: Colour and Constitution for Mn(V) in Tetrahedral Oxygen Coordination. Part 1. An EPR and Ligand Field Spectroscopic Investigation of Mn(V) in Apatite Phases and the Structure of Ba5(MnO4)3Cl.
Authors: REINEN D. , LACHWA H. , ALLMANN R.
Published: May 2016

Mixed crystals of the composition (I) with the Mn(V) ions incorporated in the tetrahedral sites of the oxidic apatite phases are obtained in spectral purity from a KCl melt at 850 °C. Their colour (blue and green) is discussed on the basis of the ligand field spectra.
ChemInform Abstract: Kinetics and Mechanism for Reduction of Ammine and Haloammine Complexes of Gold(III) by Iodide.
Authors: ELDING L. I. , SKIBSTED L. H.
Published: May 2016

The rate determining step in the reduction of the ammine complex (I) by I‐ in acidic solution is found to be the ligand substitution shown in the scheme (k298 1 is given).
ChemInform Abstract: NaTe3 ‐ a Compound with Cuban‐Like Clusters Te6‐ 12
Authors: BOETTCHER P. + , KELLER R.
Published: May 2016

is prepared by direct reaction of the elements in liquid NH3 (Na:Te = 1:3, ‐50 °C) as a greyish microcrystalline powder.
ChemInform Abstract: Ba4FeTa10O30, a Novel Compound with Relations to the NaNb6O15F Type
Authors: BRANDT R. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

is prepared by heating a mixture of BaCO3, FeC2O4·2 H2O, and Ta2O5 up to > 1900 °C (CO2‐laser‐technique).
ChemInform Abstract: Tautomerism of Biologically Important Pyrimidines and Purines. Part 1. Theoretical Predictions.
Authors: LES A. , KUKAWSKA‐TARNAWSKA B.
Published: May 2016

An analysis of the relative energies of 20 pyrimidines and purines (such as cytosine, isocytosine, guanine, isoguanine, adenine, 2‐, 4‐oxo‐pyridine, 1‐, 3‐methyl‐cytosine and ‐isocytosine) in different tautomeric states is carried out.
ChemInform Abstract: Preparation of a New Modified Electrode with Copper(II)‐Glycylglycine Complex.
Authors: SATO M. , MATSUKI S. , NAKAYA J.
Published: May 2016

When the complex (I) in aqueous solution containing the supporting electrolyte is reduced at pH 11.0 at a glassy carbon electrode, it becomes deposited onto it and takes on other redox properties.
ChemInform Abstract: ββ Anionic Elimination of Carboxylic Esters.
Authors: AUBERT C. , BEGUE J.‐P. , BIELLMANN J.‐F.
Published: May 2016

The cycloalkyl isobutyrates (I), on treatment with iPr2NMgBr (or LDA, MeLi, AlEtCl2 or AlEt2Cl), form the corresponding magnesium enolates (or lithium or aluminum enolates).
ChemInform Abstract: Enantioselective Aldol Condensations: The Use of Ketone Boron Enolates with Chiral Ligands Attached to Boron.
Authors: PATERSON I. , LISTER M. A. , MCCLURE C. K.
Published: May 2016

Diethylketone (I) is converted to optically active boron enolates which are then coupled with the aldehydes (III) to produce mixtures of the syn‐products (IV) and (V).
ChemInform Abstract: Simple Direct Synthesis of New 1‐Heterocyclamino‐3‐carbonylaminopyrroles by Reaction of Heterocyclic Azoalkenes with β‐Ketoamides.
Authors: ATTANASI O. A. , FILIPPONE P. , MEI A. , PERRULLI F. R. , SERRA‐ZANETTI F.
Published: May 2016

The heterocyclic azoalkenes (I) are coupled with the β‐ketoamides (II), producing the adducts (III) which are cyclized to yield the aminopyrroles (IV).
ChemInform Abstract: Photolysis of Aminechromium(III) Complexes with CrN6 Skeletons in Acid Solution.
Authors: WASGESTIAN F. , GOWIN E.
Published: May 2016

The quantum yields for H+ consumption of several hexaaminechromium(III) complexes in 0.01 N HClO4 are given.
ChemInform Abstract: Electron‐Transfer Reactions of Bicyclo(4.2.1)nonatrienes: Formation of a Bishomoheptafulvene Radical Cation.
Authors: ABELT C. J. , ROTH H. D.
Published: May 2016

A CIDNP study shows that photoinduced electron transfer from (I) results in the generation of the radical cation (III) which implies a rearrangement of the carbon skeleton via (II) during the ion pair lifetime.
ChemInform Abstract: Pyridinium Chlorochromate‐Mediated Allylic and Benzylic Oxidation.
Authors: PARISH E. J. , CHITRAKORN S. , WEI T.‐Y.
Published: May 2016

Pyridinium chlorochromate is used to transform activated methylene groups in the allylic or benzylic position into carbonyls.
ChemInform Abstract: Birch‐Type Reductions in Aqueous Media: Benzo(b)thiophene and Diphenyl Ether.
Authors: PACUT R. I. , KARIV‐MILLER E.
Published: May 2016

The cathodic reduction of benzothiophene (I) and diphenyl ether (IV) in aqueous solution yields the products (II) and (III) or (V) and (VI), depending on the size of the charge used.
ChemInform Abstract: The Use of Sulfenyl Halides in the Synthesis of Mercapturic Acids and Their Esters.
Authors: BUIJS W. , EID M. I. A. , ONKENHOUT W. , VERMEULEN N. P. E. , VAN DER GEN A.
Published: May 2016

Solutions of the generally rather unstable title reagents (III) are obtained by treating (I) or (II) with NCS or Br2, respectively.
ChemInform Abstract: Cytolasin Report Studies. Part 6. A Highly Selective Synthesis of a Chiral γ‐Amino Trisubstituted Z‐Vinyl Ester.
Authors: HENSEL M. J. , FUCHS P. L.
Published: May 2016

Several variants of the Wadsworth‐Emmons reaction whereby the amino aldehyde (I) is converted into the isomeric enamines (III) and (IV) are investigated.
ChemInform Abstract: Theoretical Correlation of Structure and Energetics in the Catalytic Reaction of Trypsin.
Authors: WARSHEL A. , RUSSELL S.
Published: May 2016

The most important factor in the catalytic activity of trypsin is the stabilization of the negatively charged tetrahedral intermediate by the oxyanion hole and by bound water molecules.
ChemInform Abstract: A Convenient Method of Esterification of Fatty Acids. Preparation of Alkyl Esters, Sterol Esters, Wax Esters, and Triacylglycerols.
Authors: SORAJA M. , SAIMAL T. N. B.
Published: May 2016

The esterification of the fatty acids (I) is performed in a one‐pot reaction: the acids (I) are treated with triphenylphosphorus dibromide (II), prepared in situ from triphenylphosphine and bromine, to produce the acyl bromides (IV) via the intermediates (III).
ChemInform Abstract: α‐Bromo‐α‐ethoxyacetic Acid Derivatives as New Alkylating Reagents.
Authors: KLEMM D. , GESCHWEND G.
Published: May 2016

The acetic acid derivatives (IV) mentioned in the title are synthesized using two different reaction pathways: bromination and subsequent reaction with the alcohols or amines (III) or vice versa.
ChemInform Abstract: Boron Fluoride Promoted Opening of Epoxides by Organocopper and Cuprate Reagents.
Authors: ALEXAKIS A. , JACHIET D. , NORMANT J. F.
Published: May 2016

The ring opening of the epoxide (I) is tested using various organocopper and cuprate reagents.
ChemInform Abstract: A Facile Synthesis of Aromatic Trifluoromethyl Compounds via Orthothio Esters.
Authors: MATTHEWS D. P. , WHITTEN J. P. , MCCARTHY J. R.
Published: May 2016

The orthothio esters (I) react with the brominating agents (II) or (III) in the presence of HF/Py to produce the trifluoromethyl derivatives (IV).
ChemInform Abstract: Carbon‐Carbon Bond Formation with Bismuth Salt. A Chemoselective Grignard‐Type Addition of Allyl Unit to Aldehydes.
Authors: WADA M. , OHKI H. , AKIBA K.
Published: May 2016

The allylic halogenides (I) are coupled with the aldehydes (II) in the presence of BiCl3 and zinc or iron to yield the alcohols (III).
ChemInform Abstract: Aldol Reaction of Allenolates Generated via 1,4‐Addition of Iodide Anion or Its Equivalent to αβ‐Acetylenic Ketones.
Authors: TANIGUCHI M. , HINO T. , KISHI Y.
Published: May 2016

The acylalkynes (I) are converted to the iodoallenes (III) using various iodination agents (II).