bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Thermodynamics of the Si‐N‐O System and Kinetic Modeling of Oxidation of Si3N4.
Authors: DU H. , TRESSLER R. E. , SPEAR K. E.
Published: May 2016

Based on previous experimental studies in the range of 1200‐1400 °C and P(O2) = 0.05‐1.0 atm in oxygen‐argon or oxygen‐nitrogen‐argon gas mixtures and thermodynamic calculations performed on the title system a kinetic model describing the growth of the oxidation scale on Si3N4 is proposed.
ChemInform Abstract: The Structure of a Metastable Form of SrI2 by the X‐Ray Rietveld Procedure.
Authors: LIU G. , EICK H. A.
Published: May 2016

A metastable form of SrI2, denoted as SrI2‐IV, is obtained upon low temp. dehydration of SrI2·H2O (120 °C, 10‐5‐10‐6 torr).
ChemInform Abstract: Bi4O7, the First Definite Binary Bismuth(III,V)‐Oxide.
Authors: BEGEMANN B. , JANSEN M.
Published: May 2016

The thermal decomposition of both amorphous and crystalline Bi(III,V)‐oxide hydrates is studied in the temp. range 237‐623 K under high oxygen pressures up to 400 MPa.
ChemInform Abstract: Color and Conformation of Some Derivatives of Benzil in the Solid State. Crystal Structures of 2,2′‐Dimethoxy‐, 4,4′‐Dimethoxy‐, 4,4′‐Diethoxy‐ and 4,4′‐Dibenzyloxybenzil.
Authors: CANNON J. R. , PATRICK V. A. , WHITE A. H.
Published: May 2016

Space groups of both (I) and (IIa) are P21/c, those of (IIb) and (IIc) are C2/c, all with Z=4.
ChemInform Abstract: Prelog‐Djerassi Lactone. Preparation of the Grieco Intermediate from (‐)‐trans‐Pulegenic Acid.
Authors: HACINI S. , SANTELLI M.
Published: May 2016

The desired Grieco intermediate (VIII) for the synthesis of the Prelog‐Djerassi lactone (IX) (key degradation product of some antibiotics) is obtained from trans‐pulegenic acid (I) in 6 steps and 43% overall yield.
ChemInform Abstract: Structure of a Sulfide of Ytterbium and Indium, Yb18In7.33S36.
Authors: LEMOINE P. , TOMAS A. , CARRE D. , GUITTARD M. , LIKFORMAN A.
Published: May 2016

Annealing of a mixture of YbS and In2S3 at 1273 K (7 d) results in the formation of two different types of single crystals: spinel‐type crystals with space group Fd3m and crystals of the hexagonal system, space group P63/m with Z=1, having a formula corresponding to Yb18In7.33S36.
ChemInform Abstract: Moessbauer and X‐Ray Fluorescence Studies of Tin‐Nickel Electrodeposited Alloys.
Authors: JAEN J. A. , VARSANYI M. L. , CSONTOS H. , VERTES A.
Published: May 2016

Electrodeposition of Sn‐Ni alloys on Cu substrates is performed in the temp. range 45‐55 °C using a NiCl2/SnCl2/NH4Cl/NH4F/NaF bath.
ChemInform Abstract: Structures of Indium Trihalide Complexes with Phosphine Oxides and Dimethyl Sulfoxide, with Comments on the Metal‐Oxygen Bonding.
Authors: ROBINSON W. T. , WILKINS C. J. , ZEYING Z.
Published: May 2016

The X‐ray analyses give the following results: (I) (Pnma, Z=4), (II) (Pna21, Z=4), (III) (P21, Z=2), (IV) (R3c, Z = 6), (V) (Cc, Z=2), (VI) (P1, Z=2) and (VII) (P212121, Z=4).
ChemInform Abstract: Diels‐Alder Reactions of Azlactones.
Authors: KRAUS G. A. , YU F. X.
Published: May 2016

Reaction of the siloxy diene (I) with the chloromethylene azlactone (III) does not give the cycloaddition product, but leads to the formation of the cinnamoylethylidene derivative (III).
ChemInform Abstract: Quantitation of Proximity Effects on Rate. A Case Study Involving Dyotropic Hydrogen Migration Within syn‐Sesquinorbornene Disulfones Carrying Central Substituents Having Different Spatial Demands.
Authors: PAQUETTE L. A. , KESSELMAYER M. A. , ROGERS R. D.
Published: May 2016

The known Diels‐Alder adduct (I) is converted to the various derivatives (II) as shown in the scheme.
ChemInform Abstract: Organoaluminum‐Promoted Claisen Rearrangement of Allyl Vinyl Ethers.
Authors: NONOSHITA K. , BANNO H. , MARUOKA K. , YAMAMOTO H.
Published: May 2016

Unprecedented stereochemical control is achieved in the Claisen rearrangement of allyl vinyl ethers such as (III) using bulky organoaluminum reagents BPAL or DPAL.
ChemInform Abstract: Aminobenzenes. Part 21. Electron Transfer in the Reactions of Halogeno σ‐Complexes of 1,3,5‐Tris(1‐pyrrolidinyl)benzene with Nucleophiles.
Authors: EFFENBERGER F. , BAEUERLE P. + , SEUFERT W. , STOHRER W.‐D.
Published: May 2016

The σ‐complexes (II) are accessible as crystalline compounds by reaction of (I) with the corresponding halogens or dirhodan, resp., as described for the first time for (IIa).
ChemInform Abstract: Amination of Alkanes Catalyzed by Iron and Manganese Porphyrins: Particular Selectivity for ω and ω‐1 Oxidations of Linear Alkanes.
Authors: MAHY J.‐P. , BEDI G. , BATTIONI P. , MANSUY D.
Published: May 2016

The catalytic effect of several iron or manganese tetraarylporphyrins on the reaction of the alkanes (I) and (IV) with the tosyliminobenzene (II) is studied.
ChemInform Abstract: The Synthesis of Amidine Acetals as Intermediates for the Preparation of Naturally Occurring Cyclic Amidine Antibiotics.
Authors: ANDERSON W. K. , RAJU N.
Published: May 2016

Acrolein dimethyl acetal (I) undergoes 1,3‐dipolar cycloaddition reaction with the sulfonyl nitrile oxide (II), prepared from phenylsulfonylnitromethan, to form the isoxazoline (III).
ChemInform Abstract: υ‐Triazolines. Part 30. Reaction of 5‐Amino‐4,5‐dihydro‐4‐methylene‐1,2,3‐triazoles with 2,4‐Diaryl‐5(4H)‐oxazolon‐4‐yl Radicals.
Authors: ARLANDINI E. , CLERICI F. , ERBA E. , ROSSI L. M.
Published: May 2016

When bioxazolones such as (I) react at high temp. with dihydrotriazoles (III), the (triazolylmethyl)oxazolones (IV) and (V) are formed by dissociation of (I) into the oxazolonyl radicals (II).
ChemInform Abstract: Some Isoindolo‐Fused Heterocyclic Systems by Cyclodehydration of N‐Arylalkyl‐3‐hydroxyphthalimidines.
Authors: HITCHINGS G. J. , HELLIWELL M. , VERNON J. M.
Published: May 2016

The 3‐hydroxyphthalimides (I), (III), (V) and (VII) are obtained from the corresponding phthalimides by reduction or Grignard addition reactions.
ChemInform Abstract: Synthesis of N,N′‐Diaralkyl‐2H‐1,2,6‐tetrahydrothiadiazines.
Authors: MEISENHEIMER J. L. , MEISENHEIMER J. L. JUN. , RAYA D. G. , STAPLETON M. C. , GODDARD C. J.
Published: May 2016

The N,N'‐dibenzyl‐1,3‐diaminopropanes (IV) are prepared from aldehydes such as (I) and the α,ω‐diamine (II) via reduction of bisimines such as (III).
ChemInform Abstract: Cobalt(III) Complexes of 1,5,9‐Triamino‐5‐methyl‐3,7‐diazanonane, L1, a New Quinquedentate Polyamine Ligand. Crystal Structures of the Chlorocobalt(III) and μ‐Superoxo‐dicobalt(III) Complexes of L1.
Authors: BERNHARDT P. V. , LAWRANCE G. A. , HAMBLEY T. W.
Published: May 2016

The monomeric Co(III) complex (III) (space group P21/c, Z=4) of the title ligand is prepared according to the scheme.
ChemInform Abstract: Amino Acid Synthesis Using (L)‐Pyroglutamic Acid as a Chiral Starting Material.
Authors: BALDWIN J. E. , MIRANDA T. , MOLONEY M. , HOKELEK T.
Published: May 2016

Deprotonation of the protected pyroglutamates (I) with Li hexamethyldisilazide or LDA, followed by treatment with the electrophiles (II) or (IV), gives rise to the 4‐substituted pyroglutamates (III) or (V) as diastereomeric mixtures which, in part, are separated.
ChemInform Abstract: Alkaloids of Cryptocarya phyllostemon.
Authors: CAVE A. , LEBOEUF M. , MOSKOWITZ H. , RANAIVO A. , BICK I. R. C. , SINCHAI W. , NIETO M. , SEVENET T. , CABALION P.
Published: May 2016

Five new bases are isolated: (‐)‐phyllostemine (I), (‐)‐phyllosteminine (II), (‐)‐phyllostone (III), (+)‐phyllocryptine (IV), and (+)‐phyllocryptonine (V).
ChemInform Abstract: Electronic Structure Study of the Formal Oxidation States of Thallium, Lead, and Bismuth in the ASr2Can‐1CunO2n+3 Superconductors (A: Tl0.5Pb0.5, Tl0.5Bi0.5).
Authors: KANG D. B. , JUNG D. , WHANGBO M.‐H.
Published: May 2016

MO and tight‐binding band electronic structure calculations show that the oxidation state of Pb in the title superconductor is +4 and that of Bi is either +3 or +5.
ChemInform Abstract: The PbO2‐PbO‐V2O5 System in Air.
Authors: KASSEM Y. M. , MAHDY A. N. , ABADIR M. F.
Published: May 2016

The isobaric sections of the phase diagram of the title system show the presence of the following compounds: 2 PbO·V2O5, 3 PbO·V2O5, and 8 PbO·V2O5.
ChemInform Abstract: The Preparation and X‐Ray Crystal Structure of Te(N3)3SbF6 Containing the Triazidotellurium(IV) Cation, Te(N3)+ 3.
Authors: JOHNSON J. P. , MACLEAN G. K. , PASSMORE J. , WHITE P. S.
Published: May 2016

The title compound is prepared by very slow addition (9 d) of KN3 to a Te4(SbF6)2/SO2 solution.
ChemInform Abstract: Hexafluoro Antimonates(V) of Divalent Metals, Synthesis and Properties.
Authors: CADER M. S. R. , AUBKE F.
Published: May 2016

It is demonstrated that the compounds (III) can be successfully prepared by simple solvolysis of the metal fluorosulfates in liquid SbF5.
ChemInform Abstract: Triphenylphosphine Dibromide: Effective and Selective Reagent for the Cleavage of Acetals.
Authors: WAGNER A. , HEITZ M.‐P. , MIOSKOWSKI C.
Published: May 2016

Treatment of the acetals (I), (III), or (V) with triphenylphosphine dibromide at a low temperature results in cleavage to form the alcohols (II) and (IV) or the aldehyde (VI).
ChemInform Abstract: Arynic Condensation of Ketone Enolates. Part 20. New Access to Polycyclic Phenylethanolamines.
Authors: CARRE M. C. , AATIF A. A. , GEOFFROY P. , CAUBERE P.
Published: May 2016

Reaction of the haloarenes (I) with the enolates (II) of cycloalkanedione monoacetals in the presence of sodium amide results in (2 + 2)cycloaddition of the arynes generated in situ, yielding the polycyclic adducts (IIIa) ‐ (IIIg), together with the regioisomer (IVg).
ChemInform Abstract: The Use of Copper(II) Bromide and N‐Bromosuccinimide in the Bromination of 1‐(1‐Methyl‐1H‐pyrrol‐2‐yl)‐2‐phenylethanone.
Authors: MASSA S. , DI SANTO R. , ARTICO M.
Published: May 2016

The (2‐pyrrolyl)phenylethanone (I), prepared ‐ together with its 3‐pyrrolyl analogue (XI) ‐ by Friedel‐Crafts acylation of 1‐methylpyrrole (IX), is treated with cupric bromide to give the bromination products (II) ‐ (V) all bearing a bromine substituent in α‐position to the carbonyl group.
ChemInform Abstract: Nitration of 5‐Phenyl‐ and 3‐Methyl‐5‐phenylisoxazoles.
Authors: CHIMICHI S. , COSIMELLI B.
Published: May 2016

5‐Phenylisoxazole (I) reacts with nitric acid (II) in sulfuric acid to yield a mixture of the dinitro derivatives (II) and (III), together with the isomeric 5‐(nitrophenyl)isoxazoles (V) as the main products.
ChemInform Abstract: Reaction of Cyclopropylcarbene‐Chromium Complexes with Alkenes. Synthesis of Cyclopropylcyclopropanes.
Authors: HERNDON J. W. , TUMER S. U.
Published: May 2016

The chromium cyclopropylcarbene complex (I) reacts with methyl acrylate (II) to produce the cyclopropyl(methoxy)cyclopropanecarboxylates (III) and (IV), together with the cyclopropylcrotonate (V).
ChemInform Abstract: Synthesis and Biological Activity of 5‐(1‐Adamantyl)salicylic Acid, 3‐(4‐Hydroxyphenyl)adamantane‐1‐carboxylic Acid, and Some of Their Derivatives.
Authors: SAFONOVA O. A. , KORSAKOVA I. YA. , AGEEVA O. I. , SHVEDOV V. I. , SYUBAEV R. D. , SHVARTS G. YA. , SILIN V. A.
Published: May 2016

Starting with the brominated adamantanes (I) and (IV), the title compounds (IIIa) and (VIa) are obtained as shown in the reaction scheme.
ChemInform Abstract: Synthesis of 5‐tert‐Butylbenzo(b)thiophene‐2‐carboxylic Acid.
Authors: GALLAGHER P. T. , OWTON W. M.
Published: May 2016

The tert‐butylcyclohexanone (I) is subjected to Vilsmeier conditions, yielding the chlorinated and formylated derivative (III).
ChemInform Abstract: The Synthesis of 5‐Alkylaminomethylthieno(2,3‐b)pyrrole‐5‐sulfonamides.
Authors: HARTMAN G. D. , HALCZENKO W.
Published: May 2016

The thienopyrrolecarboxylate (I) reacts with phenylsulfonyl chloride (II) in the presence of a base to produce the sulfonamide (III) which is converted into the bissulfonamide (VII) by chlorosulfonylation and subsequent treatment with ammonia (VI).
ChemInform Abstract: A New Heterocyclic Rearrangement: Conversion of 1,2‐Dihydropyrimidines into Pyrroles.
Authors: DE LA HOZ A. , ELGUERO J. , PARDO C.
Published: May 2016

Treatment of the dihydropyrimidinecarboxylates (I) with neat acetic anhydride (II) results in ring contraction to produce the pyrroles (IV) and (V).
ChemInform Abstract: Synthesis and Bronchodilatoric Effects of 4‐(Methoxycarbonylalkylsulfinyl)‐3‐pyrrolecarboxylic Acid Esters.
Authors: EIDEN F. , GRUSDT U.
Published: May 2016

Coupling of the ω‐mercapto alkanoates (II) with the dihydrofurans (I) yields the sulfides (III).
ChemInform Abstract: Structure and Reactivity of Activated C=N Double Bonds. Part 11. Synthesis of Guanidine Derivatives with Heterocyclic Substituents.
Authors: EVERS R.
Published: May 2016

Heterocyclic push‐pull activated systems such as (III), (IV) and (VII) are available as shown in the scheme.
ChemInform Abstract: Synthesis of 4‐(Arylsulfonyloxy)quinoline‐5,8‐quinones.
Authors: FERNANDEZ M. , LIN T.‐S. , SARTORELLI A. C.
Published: May 2016

The dimethoxyquinolinone (I), prepared from Meldrum's acid by a known procedure, is O‐sulfonated to produce the quinolinyl arenesulfonates (III).
ChemInform Abstract: A Convenient Synthesis of 3‐Aryl‐4‐oxo‐4,5‐dihydrofuro(3,2‐c)quinolines.
Authors: RAO V. S. , DARBARWAR M.
Published: May 2016

The 4‐hydroxyquinolinones (I) are coupled with the bromoacetophenones (II) to give the ethers (III) which undergo acid‐induced cyclization, forming the furoquinolinones (IV) mentioned in the title.
ChemInform Abstract: Synthesis of 1‐Azabenzanthracene: Epimerization with the Use of 1,3‐Dihydrobenzo(c)thiophene S,S‐Dioxide as a Source of ortho‐Quinodimethane.
Authors: AKULA M. R. , LEVY L. A.
Published: May 2016

Thermolysis of the sulfone (I) generates ortho‐quinodimethane which is directly trapped by cycloaddition reaction with the dihydroquinoline (II), forming a mixture of the cis‐ and trans‐fused hexahydroazabenzanthracenes (III).
ChemInform Abstract: Synthesis and Antihypertensive Properties of Benzodioxanepyridazinones and Benzodioxanedihydropyridazinones.
Authors: CORSANO S. , STRAPPAGHETTI G. , CODAGNONE A.
Published: May 2016

The pyridazinones (IV) and the dihydropyridazinone (VII) are synthesized as outlined in the reaction scheme.
ChemInform Abstract: New 4‐Ring Fused Heterocyclic Systems Derived from Pyrimido(6,1‐a)isoquinolin‐4‐ones. Potent c‐AMP Phosphodiesterase Inhibitors.
Authors: HOWARTH G. A.
Published: May 2016

Base‐catalyzed ring closure of homoveratrylurea (II) with diethyl acetamidomalonate (I) yields the acetamidobarbituric acid (III) which is converted into the dihydropyrimidoisoquinolinone hydrochloride (VII) by cyclization, amination with mesidine (V), and deprotection.
ChemInform Abstract: The Reactivity of the Highly‐Functionalized Copper Zinc Reagents RCu(CN)ZnI Toward 1‐Haloalkynes and Acetylenic Esters.
Authors: YEH M. C. , KNOCHEL P.
Published: May 2016

The mixed organozinc cuprates (III) are coupled with the 1‐bromo‐1‐alkynes (IV) to yield the acetylenic compounds (V).
ChemInform Abstract: Stable Chiral But Racemic Phosphines (R)(R′)(R′′)P Containing Two Different (Amino) Substituents: High Yield Synthesis and Conversion to the Respective Phosphine Sulfides.
Authors: MOHAN T. , RAO M. N. S. , ARAVAMUDAN G.
Published: May 2016

Phenylphosphonous dichloride (I) reacts with dicyclohexylamine (II) to yield only the phosphonamidous chloride (III) due to sterical hindrance.
ChemInform Abstract: Unexpected Synthesis of a 1,2‐λ3‐Azaphosphiridine.
Authors: DUFOUR N. , CAMINADE A.‐M. , MAJORAL J.‐P.
Published: May 2016

Reaction of the amino(dichloromethylene)phosphine (I) with two equivalents of the lithium silylamides (II) produces the azaphosphiridines (III).
ChemInform Abstract: Reaction of Trialkylboranes with Sodium Diethyldihydroaluminate in the Presence of 1,4‐Diazabicyclo(2.2.2)octane: A Convenient, General Method for Preparation of Sodium Trialkylhydroborates.
Authors: HUBBARD J. L.
Published: May 2016

The boranes (I) react with sodium diethyldihydroaluminate (II) in the presence of 1,4‐diazabicyclo(2.2.2)octane (DABCO) to produce the sodium tri(cyclo)alkylhydroborates (III).
ChemInform Abstract: Synthesis and Properties of Acyclic and Cryptate Europium(III) Complexes Incorporating the 3,3′‐Biisoquinoline 2,2′‐Dioxide Unit.
Authors: LEHN J.‐M. , PIETRASZKIEWICZ M. , KARPIUK J.
Published: May 2016

The lithium and europium(III) complexes (IV) and (VI) of the macrobicyclic ligand L are prepared.
ChemInform Abstract: Sterically Hindered Organometallics. Synthesis of Four‐Membered Rings Containing Tin, Oxygen, and Sulfur. The Crystal Structure of 2,2,4,4‐Tetrakis(2,4,6‐triisopropylphenyl)‐1,3,2,4‐oxathiadistannetane.
Authors: BROWN P. , MAHON M. , MOLLOY K. C.
Published: May 2016

The tetraaryldibromodistannane (I) reacts with an excess of sodium sulfide nonahydrate (II) to yield the 1,3,2,4‐oxathiadistannetane (III).
ChemInform Abstract: Oxygenation of 2,4‐Dibromoestrogens with Nitric Acid: A New Synthesis of 19‐Norsteroids.
Authors: NUMAZAWA M. , HOSHI K. , KIMURA K.
Published: May 2016

Dehydrogenation of the 2,4‐dibromoestrogen (I) with nitric acid produce 2,4‐dibromo‐10β‐hydroxy‐1,4‐estradiene‐3,17‐dione (II) which is catalytically hydrogenated to give the hydroxyestranedione (III).
ChemInform Abstract: Total Synthesis of (+)‐Macbecin I.
Authors: BAKER R. , CASTRO J. L.
Published: May 2016

The first enantiospecific total synthesis of the antitumor antibiotic (+)‐macbecin I (XIII) is achieved via coupling of the synthons (V) and (IX).
ChemInform Abstract: Synthesis of Derivatives of (1R*,10aR*)‐1‐Azido‐10‐benzylidene‐4‐(diethylphosphono)‐1,2,10,10a‐tetrahydro‐2‐oxo‐4H‐azeto(1,2‐a)pyrido(1,2‐d)pyrazin‐9‐ylium Bromide.
Authors: HAKIMELAHI G. H. , SARDARIAN A. R.
Published: May 2016

In a search for analogues of penicillins and cephalosporins the β‐lactams (V) and (VI) are prepared.
ChemInform Abstract: Structural Identification of the New Magnetic Phases Fe3Ga2‐xAsx.
Authors: GREAVES C. , DEVLIN E. J. , SMITH N. A. , HARRIS I. R. , COCKAYNE B. , MACEWAN W. R.
Published: May 2016

The structure of Fe3Ga2‐xAsx alloys with compositions in the range 0.21 ≦ x ≦ 1.125 is studied by XRD and Moessbauer spectroscopy.
ChemInform Abstract: Synthesis of Tetrachloroammoniumhexafluoroarsenate, NCl+ 4AsF‐ 6.
Authors: MINKWITZ R. , BERNSTEIN D. , SAWODNY W.
Published: May 2016

The title compound (IV) is prepared as shown in the scheme (yield given in mg).
ChemInform Abstract: Synthesis and Physico‐Chemical Investigations of the Heteropoly Complex Na10(Cu3(SeW9O33)2(H2O)2)·23 H2O.
Authors: GUTSUL T. D. , ZHERU P. I. , BOTSAN I. G. , NANTOI O. G.
Published: May 2016

The hitherto unknown title complex is prepared from Na2WO4·2 H2O, Na2SeO3 and Cu(NO3)2·6 H2O in slightly acidic (pH 5.2) aqueous solution.
ChemInform Abstract: Structural and Charge Transport Properties of Bis((5,10,15,20‐tetramethylporphyrinato)nickel(II)) Perrhenate, (Ni(tmp))2(ReO4).
Authors: NEWCOMB T. P. , GODFREY M. R. , HOFFMAN B. M. , IBERS J. A.
Published: May 2016

Electrochemical oxidation of tetramethylporphyrinatonickel(II) in the presence of the perrhenate ion affords the title compound (P4/n, Z=2), a new molecular conductor, which is composed of planar molecules of the Ni complex stacked metal‐over‐metal.
ChemInform Abstract: Condensation of Aniline with 3‐Chloro‐2‐chloromethylpropene.
Authors: LUKIN S. S. , LEVASHOVA B. I. , BUNINA‐KRIVORUKOVA L. I. , ZLOTSKII S. S.
Published: May 2016

The condensation affords the products (III)‐(V).
ChemInform Abstract: An Improved Method for the Efficient Conversion of Unsaturated Alcohols, Ethers, and Esters to Their Corresponding Aldehydes, Ketones, Enol Ethers, and Enol Esters.
Authors: IRANPOOR N. , IMANIEH H. , FORBES E. J.
Published: May 2016

The unsaturated alcohols (I), (III), and (V) are treated with catalytic amounts of diiron nonacarbonyl in hot benzene to form the corresponding saturated carbonyl compounds (II), (IV), or (VI).
ChemInform Abstract: Successive Michael Reaction‐Sigmatropic Rearrangement of Polyquinones with Silyl Ketene Acetals.
Authors: ASO M. , HAYAKAWA K. , KANEMATSU K.
Published: May 2016

Michael type reaction of the quinizarinequinone (I) and the naphthodiquinone (IX) with (trimethylsilyloxy)furan (II) or the O‐silylated ketene acetal (V) yields the adducts (III), (VI), and (X).
ChemInform Abstract: Chemistry of Novel Compounds with Multifunctional Carbon Structure. Part 5. Molecular Design of Versatile Building Blocks for Aliphatic Monofluoro Molecules by Manipulation of Multifunctional Carbon Structures.
Authors: TAKEUCHI Y. , NAGATA K. , KOIZUMI T.
Published: May 2016

Alkylation of (benzenesulfonyl)nitromethane (Ia) or the related acetate (Ib) with the alkyl halides (II) produces the alkyl derivatives (III) which are fluorinated with potassium fluoride/perchloryl fluoride to give the 1‐fluoro‐1‐phenylsulfonyl derivatives (IV).
ChemInform Abstract: ω‐Azidoalkylidenetriphenylphosphoranes for the Stereospecific Synthesis of Z‐Olefins Bearing an ω‐Azido Group.
Authors: CHHEN A. , VAULTIER M. , CARRIE R.
Published: May 2016

The ω‐bromoalkylphosphonium bromides (I) react with sodium azide (II) to give the azidoalkylphosphonium bromides (III).
ChemInform Abstract: A Stereocontrolled Approach to Tri‐ and Tetrasubstituted Cyclohexanones.
Authors: ZORETIC P. A. , DICKERSON S. H. , YU B.‐C. , BIGGERS M. S. , CHAMBERS R. J. , BIGGERS C. K. , CASPAR M. L.
Published: May 2016

The 4‐methylcyclohexanone‐4‐carbaldehyde acetals (I) are alkylated with the butenylmagnesium bromide (II) in the presence of cuprous bromide dimethyl sulfide complex to form diastereomeric mixtures of the cyclohexanonecarbaldehyde (III).
ChemInform Abstract: Acid‐Catalyzed Rearrangement of Tetracyclo(6.3.0.04,11.05,9)undec‐6‐en‐2‐one.
Authors: IPAKTSCHI J. , HERBER J. , KALINOWSKI H.‐O. , AMME M. , BOESE R.
Published: May 2016

The reaction of the enone (I) with formic acid (II) is suggested to be initiated by a regioselective protonation, thus leading preferentially to (III) (space group P21/c with Z=4) by rearrangement.
ChemInform Abstract: Reductive Homocoupling of Benzal Bromides Catalyzed by Transition Metal Complex Under Phase Transfer Catalysis.
Authors: SHIM S. C. , DOH C. H. , PARK W. H. , LEE H. S.
Published: May 2016

Further benzal bromides besides (I) are studied showing only a small contribution of steric and electronic effects.
ChemInform Abstract: Studies on the Synthesis of the Indolo(2,3‐a)quinolizidine System.
Authors: RUBIRALTA M. , DIEZ A. , BOSCH J. , SOLANS X.
Published: May 2016

Condensation of the indolecarbaldehyde (I) with the amino acetal (II) produces the imine (III) which is cyclized in a Mannich type reaction by treatment with Tos‐OH in boiling benzene to form the trans‐ethyl‐(indolyl)piperidone acetal (IV).
ChemInform Abstract: New Water‐soluble Macrobicyclic Cavities.
Authors: WALLON A. , PETER‐KATALINIC J. , WERNER U. , MUELLER W. M. + , VOEGTLE F. +
Published: May 2016

The title compounds (III), (VI), (Xb), and (XIb) bearing large endolipophilic cavities of different sizes and shapes are synthesized for the first time.
ChemInform Abstract: A Synthesis of 7,7‐Dimethyl‐6,8‐dioxabicyclo(3.2.1)octane. A Constituent of the Hop, Humulus lupulus.
Authors: COPP R. R. , MUNDY B. P.
Published: May 2016

The target compound (VI) has already been prepared from the acetyldihydropyran (IV) which is known as the cycloadduct of acrolein and methyl vinyl ketone.
ChemInform Abstract: An Unusual Cyclization Reaction in the Chemistry of Perchloroorganic Compounds of Silicon and Germanium. Synthesis and Crystal Structure of Perchloro(2,2′‐biphenylene)diphenyl‐silane and ‐germane.
Authors: FAJARI L. , JULIA L. , RIERA J. , MOLINS E. , MIRAVITLLES C.
Published: May 2016

The structures of both strained compounds (III) (for both space group P1, Z=2) are determined by X‐ray crystallography of their benzene solvates.
ChemInform Abstract: Synthesis and Characterization of the Thermally Stable Copolymer of Tetrakis(salicylaldehydato‐O,O′)zirconium(IV) and 3,3′‐Diaminobenzidine.
Authors: ARCHER R. D. , WANG B.
Published: May 2016

A new soluble linear Schiff‐base coordination polymer (IV) is synthesized via the condensation of 3,3'‐diaminobenzidine (II) with tetrakis(salicylaldehydato)‐Zr(IV).
ChemInform Abstract: Synthesis of Cyclic Depsipeptides via Direct Amide Cyclization. Cyclic Depsipeptides with 12‐Ring Atoms and Alternating Sequence of α‐Hydroxy and α‐Amino Acids.
Authors: OBRECHT D. , HEIMGARTNER H.
Published: May 2016

Several natural depsipeptides show antibiotic properties.
ChemInform Abstract: A Simplified Route to a Key Intermediate in the Synthesis of the Chinese Nootropic Agent Huperzine A.
Authors: KOZIKOWSKI A. P. , REDDY E. R. , MILLER C. P.
Published: May 2016

Under the optimized conditions shown in the scheme, the desired key intermediate (IV) for the synthesis of huperzine A (V) is directly available from the ketone (I) in a high yield.
ChemInform Abstract: Preparation of Optically Pure α‐Alkyl β‐Hydroxy Nitriles by the Bakers′ Yeast Reduction.
Authors: ITOH T. , FUKUDA T. , FUJISAWA T.
Published: May 2016

In contrast to the reduction of the keto nitrile (I) with bakers' yeast, the analogous reduction of the homologue (IV) proceeds with complete enantioselectivity.
ChemInform Abstract: Protonated Nitric Acid. Structure and Relative Stability of Isomeric H2NO+ 3 Ions in the Gas Phase.
Authors: CACACE F. , ATTINA M. , DE PETRIS G. , SPERANZA M.
Published: May 2016

Gaseous H2NO3+ ions are generated by direct protonation of HNO3 by H3+, H3O+ and CH5+ and by protonation of C2H5ONO2 followed by C2H4 loss.
ChemInform Abstract: X‐Ray Crystallographic Determination of Absolute Configurations and Conformations of Two Conformational Isomers of 1,2,3,4‐Dibenzo‐trans‐6,7‐dibromo‐1,3‐cyclooctadiene, a 2,2′‐Bridged Biphenyl.
Authors: BORECKA B. , CAMERON T. S. , LINDEN A. , RASHIDI‐RANJBAR P. , SANDSTROEM J. +
Published: May 2016

Dibromide (I) contains two stereogenic elements, the CHBr‐CHBr (R,R or S,S) and the biphenyl unit (R or S) and can consequently form two enantiomeric pairs of diastereomers which indeed are obtained in pure crystalline form.
ChemInform Abstract: Location of the Elusive Hydride Ligand in HRh(P(C6H5)3)4 via a Neutron Diffraction Analysis.
Authors: MCLEAN M. R. , STEVENS R. C. , BAU R. , KOETZLE T. F.
Published: May 2016

The title complex (I) (space group Pa3) contains the phosphine ligands in a geometry intermediate between tetrahedral and trigonal‐bipyramidal.
ChemInform Abstract: Control of Reactions with Tribromomethyl Anions/Dibromocarbene by the Nature of the Phase‐Transfer Catalyst.
Authors: DEHMLOW E. V. , WILKENLOH J.
Published: May 2016

The title reaction of (I) and CHBr3 leads to the product (III) of carbene addition and the products (IV) and (V) of substitution, (V) resulting only from (IV).
ChemInform Abstract: Electrophilic Olefin Heterocyclization in Organic Synthesis. Stereoselective Intramolecular Amidomercuration of γ‐Hydroxy‐δ,ε‐Unsaturated Urethanes.
Authors: TAKAHATA H. , TAJIMA M. , BANBA Y. , MOMOSE T.
Published: May 2016

The unsaturated hydroxy carbamates (I) are cyclized with mercuric acetate (II) to produce the pyrrolidines (III) which are converted into the mercuric bromides (V).
ChemInform Abstract: Chiral 2,2‐Disubstituted Cyclohexanones; Annulation via Claisen Rearrangement Products.
Authors: GRATTAN T. J. , WHITEHURST J. S.
Published: May 2016

The methyl enol ether (I) of 2‐methylcyclohexanone, which exists as a mixture of the 1‐methoxy‐2‐methyl‐ and 2‐methoxy‐3‐methylcyclohex‐1‐ene tautomers, reacts regiospecifically with the optically active forms of but‐3‐yn‐2‐ol (II) or but‐3‐en‐2‐ol (VII).
ChemInform Abstract: Ozonolyses of Olefins with Chloro Substituents in Vinylic Positions on Polyethylene.
Authors: GRIESBAUM K. , GREINERT R.
Published: May 2016

The ozonolysis of cycloolefins such as (I) possessing chloro substituents at the vinylic positions affords the ozonides (II), when the reaction is carried out on polyethylene.
ChemInform Abstract: Electrophilic β‐Bromination and Nucleophilic α‐Methoxylation of α,β‐Unsaturated Carbonyl Compounds.
Authors: FISCHER H. , KLIPPE M. , LERCHE H. , SEVERIN T. , WANNINGER G.
Published: May 2016

A variety of carbonyl derivatives such as the semicarbazones (I) or the oximes (IV) react with Br2 to give the β‐brominated products (II) or (V).
ChemInform Abstract: Synthesis of Some Derivatives of Di‐ and Triols with a Vinyl Moiety.
Authors: MIKHANT'EV V. B. , MIKHANT'EVA O. N.
Published: May 2016

In the presence of KOH the reactions between the ethers (I) (8 examples) or (IV) (8 examples) and acetylene (II) afford the monovinyl derivatives (III) or the divinyl derivatives (V) along with minor amounts of the cyclic acetals (VI) respectively.
ChemInform Abstract: Reaction of Citral with Acetone Cyanohydrin and Diethylamine and Thermolysis of the Amino Nitrile Formed.
Authors: ZHDANKINA G. M. , KRYSHTAL' G. V. , SEREBRYAKOV E. P. , YANOVSKAYA L. A.
Published: May 2016

The aldehyde (I) reacts with acetone cyanohydrin (II) under exchange of the cyano group, yielding acetone and the cyanohydrin of (I) which is directly aminated to give the amino nitriles (IV).
ChemInform Abstract: Reactions of Polyfluoro‐2‐alkynoic Acids with 1,2‐Ethanedithiol.
Authors: YAMANAKA H. , MURAKAMI A. , KUWABARA M. , FUKUNISHI K. , NOMURA M.
Published: May 2016

The reaction of the fluoroalkynoic acids (I) with ethane‐1,2‐dithiol (II) is performed under various reaction conditions.
ChemInform Abstract: Tandem One‐Carbon Homologation of Esters to Cyclopropanols.
Authors: IMAMOTO T. , KAMIYA Y. , HATAJIMA T. , TAKAHASHI H.
Published: May 2016

The esters (I) react with samarium and methylene iodide (II) to form the cyclopropanols (III).
ChemInform Abstract: A Stepwise Synthesis of Functionalized Calix(4)arenes and a Calix(6)arene with Alternate Electron‐Withdrawing Substituents.
Authors: DE MENDOZA J. , NIETO P. M. , PRADOS P. , SANCHEZ C.
Published: May 2016

The title compounds (III) and (VI) are prepared in improved yields by a modified literature procedure.
ChemInform Abstract: Electronic Structure and Near‐IR Spectra of Diquinone Anion Radicals.
Authors: ALMLOEF J. E. + , FEYEREISEN M. W. , JOZEFIAK T. H. , MILLER L. L.
Published: May 2016

Five new diquinones (Va), (Vb), (VI), (IX), and (XII) as well as four analogues are prepared.
ChemInform Abstract: Synthesis of Methyl 2,3‐Dihydro‐2‐benzofurancarboxylates from o‐Allylphenols via 2‐(Phenylthiomethyl)‐2,3‐dihydrobenzofurans.
Authors: YODO M. , HARADA H.
Published: May 2016

O‐Allylation of the dichlorophenol (I) followed by rearrangement yields the allyldichlorophenol (III) which undergoes addition reaction with benzenesulfenyl chloride (IV) to form a mixture of the isomeric chloro thioethers (V) and (VI).
ChemInform Abstract: Novel, Diastereoselective Synthesis of 3‐Amino‐1‐alkanols.
Authors: OSZBACH G. , NESZMELYI A.
Published: May 2016

The reaction between the enamine (I) and benzaldehyde (II) proceeds under very mild conditions to yield the amino ketone (III), which is also accessible from a mixture of pyrrolidine, cyclohexanone and benzaldehyde.
ChemInform Abstract: Asymmetric Synthesis. Part 17. Facile Generation of a Chiral Azomethine Ylide via the CN(R,S) Method.
Authors: ROUDEN J. , ROYER J. , HUSSON H.‐P.
Published: May 2016

The oxazolidines (I) react with trimethylsilyl triflate (II) to form the iminium salts (III).
ChemInform Abstract: Reactions of Cyclic Anhydrides. Part 14. Facile Syntheses of Fused Heterocycles via Anilic Acids Pyridobenzoxazinones, Isoquinolinobenzoxazinones, and Isocoumarinoquinolines.
Authors: BALASUBRAMANIYAN V. , ARGADE N. P.
Published: May 2016

The o‐aminobenzaldehyde or o‐aminobenzoic acids (I) react with the homomaleic or homophthalic anhydrides (II) in refluxing benzene to produce the homomaleanilic acids (III).
ChemInform Abstract: Cyclocondensation of Oxoketene Dithioacetals with 3‐Aminopyrazoles: A Facile Highly Regioselective General Route to Substituted and Fused Pyrazolo(a)pyrimidines.
Authors: THOMAS A. , CHAKRABORTY M. , ILA H. , JUNJAPPA H.
Published: May 2016

Cyclocondensation of the aminopyrazole (I) with dithioacetals such as (II), (IV), or (VII) gives rise to title compounds such as (III), (V), or (VIII), (IX).
ChemInform Abstract: Alkylation of 6‐Methylthio‐ and 6‐Benzyloxyguanine Under Phase‐Transfer Conditions.
Authors: RAMZAEVA N. , ALKSNIS E. , GOLDBERG YU. , LIDAKS M.
Published: May 2016

The benzyloxy‐ (Ia) or methylthioguanines (Ib) are alkylated under phase‐transfer conditions to yield mixtures of the 9‐ (III) and 7‐substituted derivatives (IV).
ChemInform Abstract: Synthesis and Characterization of Amine‐Alkylcyanoboranes.
Authors: MILLS W. J. , SUTTON C. H. , LIBBY E. , TODD L. J.
Published: May 2016

As demonstrated for the compounds (V), twelve examples are prepared in moderate yield with the amines pyridine, tetramethylethylenediamine and quinuclidine.
ChemInform Abstract: A New Type of Macrocycle Incorporating closo‐ and nido‐Carborane Cages: Molecular Structures of 1,2‐(1,10‐Dithia‐4,7‐dioxadecane‐1,10‐diyl)‐1,2‐dicarba‐closo‐dodecaborane and Sodium 7,8‐(1,13‐Dithia‐4,7,10‐trioxatridecane‐1,13‐diyl)‐7,8‐dicarba‐nido‐undecaborate(12).
Authors: TEIXIDOR F. , VINAS C. , RIUS J. , MIRAVITLLES C. , CASABO J.
Published: May 2016

Under high dilution, the new compounds containing a combination of a macrocycle and a chelating moiety are obtained.
ChemInform Abstract: ortho‐Lithiation of Phenols Using the Bis(dimethylamino)phosphoryl Group as a Directing Group.
Authors: WATANABE M. , DATE M. , KAWANISHI K. , TSUKAZAKI M. , FURUKAWA S.
Published: May 2016

Lithiation of the aryl tetramethylphosphorodiamidates (I) and (IV) with sec‐butyllithium and subsequent reaction with the electrophiles (II) yield the o‐substituted derivatives (III) and (V).
ChemInform Abstract: Zirconocene‐Promoted Stereoselective Bicyclization of 1,6‐ and 1,7‐Dienes to Produce trans‐Zirconabicyclo(3.3.0)octanes and cis‐Zirconabicyclo(4.3.0)nonanes.
Authors: ROUSSET C. J. , SWANSON D. R. , LAMATY F. , NEGISHI E.
Published: May 2016

The α,ω‐dienes (Ia) ‐ (Id) react with the zirconocene (II) to give the fused zirconacyclopentane derivatives (III).
ChemInform Abstract: On the Use of the Haloetherification Method to Synthesize Fully Functionalized Disaccharides.
Authors: FRIESEN R. W. , DANISHEFSKY S. J.
Published: May 2016

Synthetic routes to fully functionalized, α‐linked disaccharides such as (V) or (VIII) are described starting from a common intermediate, i.e. the iodo acetate (III).
ChemInform Abstract: Active MgH2‐Mg Systems for Reversible Chemical Energy Storage
Authors: BOGDANOVIC B. , RITTER A. , SPLIETHOFF B.
Published: May 2016

(an overview of methods for energy storage and experimental results obtained for high‐temp.
ChemInform Abstract: High Temperature Solid Electrolyte Fuel Cells Using Perovskite‐Type Oxide Based on BaCeO3.
Authors: IWAHARA H. , UCHIDA H. , MORIMOTO K.
Published: May 2016

The cell performances of small‐sized high‐temp.
ChemInform Abstract: Influence of Reduction‐Reoxidation on the Structure and Catalytic Properties of Bismuth Molybdates.
Authors: ALSDORF E. , GROHMANN I. , JANCKE K. , SCHNABEL K.‐H. , SELENINA M. , VOLLGRAF D.
Published: May 2016

The influence of a reduction (C3H6, NH3)/reoxidation (air, 723 K, 2 h) pretreatment of bismuth molybdates (Bi2MoO6, Bi2Mo2O9, Bi2Mo3O12) on their structure and catalytic activity for the ammoxidation of propylene is studied.
ChemInform Abstract: Macrocycles Incorporating closo‐ and nido‐Carbaborane Cages: Molecular Structure of 1,2‐(3′‐oxapentane‐1′,5′‐dithiolato‐SS′)‐1′,2′‐dicarba‐closo‐dodecaborane.
Authors: TEIXIDOR F. , ROMEROSA A. M. , RIUS J. , MIRAVITLLES C. , CASABO J. , VINAS C. , SANCHEZ E.
Published: May 2016

As demonstrated previously, the reaction of 1,2‐dimercapto‐1,2‐dicarba‐closo‐dodecaborane under basic conditions with appropriate dihalogenated organic compounds results in the formation of macrocycles incorporating 7,8‐dicarbaundecaborate or 1,2‐dicarba‐closo‐dodecaborane units.
ChemInform Abstract: Thermal (4π + 2π)‐Type Cycloaddition Reactions of Pyrrole Derivatives with 3‐Cyanocyclopropene Generated in situ.
Authors: SAITO K. , ITO K. , TAKAHASHI K.
Published: May 2016

3‐Cyanocyclopropene, generated by thermolysis of the fused cyclopropane (I), undergoes cycloaddition reaction with the N‐substituted pyrroles (IIa) ‐ (IIc) to produce the azatricyclooctenes (IIIa) ‐ (IIIc), together with dimethyl phthalate (IV).
ChemInform Abstract: Ring Contraction of a Cyclic Seven‐Membered Ketenimine.
Authors: HUISGEN R. , LANGHALS E. , OSHIMA T.
Published: May 2016

The rate of rearrangement of the cyclic ketenimine (I), producing the tetrahydrothiophene (II), increases with the polarity of the solvents applied.
ChemInform Abstract: Z‐1‐Vinyl Iodide by Wittig Reaction.
Authors: BESTMANN H. J. , RIPPEL H. C. , DOSTALEK R.
Published: May 2016

The triphenyl(iodomethyl)phosphonium salts (I) and (V) react with sodium hexamethylsilazide to give the iodomethylenephosphorane (II) which is coupled with the aldehydes (III), forming the olefins (IV).
ChemInform Abstract: Preparative Flash Vacuum Thermolysis. Selective Elimination of 6‐Chloro‐1‐hexene from Esters of 6‐Chloro‐1‐hexanol with Schoenberg Rearrangement of the S‐Methyl Xanthate.
Authors: JENNESKENS L. W. , HOEFS C. A. M. , WIERSUM U. E.
Published: May 2016

Flash vacuum thermolysis of 6‐chloro‐1‐hexyl acetate (I) in a quartz tube yields 6‐chloro‐1‐hexene (II) and 1,5‐hexadiene (III).
ChemInform Abstract: Chemistry of Dioxiranes. Part 13. Oxidation of Primary Amines by Dimethyldioxirane.
Authors: MURRAY R. W. , RAJADHYAKSHA S. N. , MOHAN L.
Published: May 2016

Treatment of the primary amines (I) with dimethyldioxirane in acetone produces the aromatic nitro compounds (II).
ChemInform Abstract: Photochemistry of (.+‐.)‐4,4a,5,6‐Tetrahydro‐4a‐methyl‐6,6‐diphenyl‐2(3H)‐naphthalenone, a Rigid Linear Dienone.
Authors: BUNCE R. A. , TAYLOR V. L. , HOLT E. M.
Published: May 2016

Catalytic hydrogenation of the methyldiphenylcyclohexenone (I) in acetic acid yields the methyldiphenylcyclohexanone (II) which undergoes ring closure reaction with methyl vinyl ketone (III) to produce the hexahydronaphthalenone (IV).
ChemInform Abstract: Alkylisobenzofurans from Phthalides. Inter‐ and Intramolecular Diels‐Alder Reactions.
Authors: MEEGALLA S. K. , RODRIGO R.
Published: May 2016

Reaction of the phthalides (I) with the 1,1‐dibromoalkanes (II) in the presence of titanium tetrachloride and zinc dust yields the alkylidene phthalans (III).
ChemInform Abstract: Synthesis of 5‐Arylmethylene‐1,3‐dioxolan‐4‐ones and β‐Aryl‐α‐keto Carboxylic Acids.
Authors: SIMCHEN G. , SIEGL G.
Published: May 2016

Silylation of 2‐trichloromethyl‐1,3‐dioxolan‐4‐one (I) with trimethylsilyl triflate (II) yields the bissilylated dioxole (III) which undergoes Peterson olefination with the aromatic aldehydes (IV), forming the 5‐arylmethylenedioxolanones (V).
ChemInform Abstract: Asymmetric Reactions. Part 64. Enantioselective Diels‐Alder Reaction of (E)‐1‐Trimethylsilyloxy‐1,3‐butadiene with Chiral Glyoxylates.
Authors: CERVINKA O. , SVATOS A. , TRSKA P. , PECH P.
Published: May 2016

The title reaction is studied in various solvents with or without catalysts and leads to mixtures of the diastereomeric dihydropyran‐6‐carboxylates (III).
ChemInform Abstract: Synthesis of Chiral 2,6‐Dithiabicyclo(3.1.1)heptane. The Dithia Parent Analogue of the TXA2 Nucleus.
Authors: STELIOU K. , MILOT G.
Published: May 2016

Coupling of the (‐)‐menthyl mercaptopropionate (I) with the dihydrothiopyranone (II), prepared from tetrahydro‐4‐thiopyranone by chlorination/dehydrochlorination with N‐chlorosuccinimide in pyridine, yields the tetrahydrothiopyranone (III) which is reduced, forming a mixture of the diastereomeric alcohols (IVa) and (IVb).
ChemInform Abstract: Facile Regioselective Synthesis of Pyrano(3,2‐c)(1)benzothiopyran‐5(2H)‐one and 2‐Methylfuro(3,2‐c)(1)benzothiopyran‐4‐one.
Authors: MAJUMDAR K. C. , CHOUDHURY P. K. , KHAN A. T.
Published: May 2016

The hydroxythiopyranone (I) is converted to the propargyl ether (III) and the allyl ethers (VI).
ChemInform Abstract: Chemistry of Phosphorus. Part 198. Hexa‐tert.‐butyldecaphosphane(6), P10(tBu)6 ‐ Preparation and Structure Determination by 31P NMR Spectroscopy.
Authors: BAUDLER M. , WIATEREK CH. , KAZMIERCZAK K.
Published: May 2016

According to 31P NMR spectroscopic studies, the title compound (III) (yield given in mg) represents a new P10R6 structure type and has a skeleton consisting of a bicylic P6(4) and a monomeric P4(4) partial structure which are linked through a σ‐bond.
ChemInform Abstract: Reaction of Phenyl Azide with N,N‐Dimethylaminomethylenephenylphosphines.
Authors: ARBUZOV B. A. , IONKIN A. S. , IGNAT'EVA S. N. , EFREMOV YU. YA. , NEKHOROSHKOV V. M.
Published: May 2016

The phosphine (I) reacts with phenyl azide (II) to give the amidines (III) and the diazadiphosphetidine (IV).
ChemInform Abstract: The Cr(II) Reduction of (Co(bpy)3)3+. Observation of a Dimeric Cr(III) Reduction Product.
Authors: ALI G. , LEWIS N. A.
Published: May 2016

From kinetic measurements and product analysis the mechanism is discussed.
ChemInform Abstract: Polyhedral Metallacarbaborane Chemistry: Preparation, Molecular Structure, and NMR Investigation of (3‐(η5‐C5Me5)‐closo‐3,1,2‐MC2B9H11) (M: Rh or Ir).
Authors: FONTAINE X. L. R. , GREENWOOD N. N. , KENNEDY J. D. , NESTOR K. , THORNTON‐PETT M. , HERMANEK S. , JELINEK T. , STIBR B.
Published: May 2016

Both air‐stable title compounds (III) crystallize in the space group P212121 with Z=4.
ChemInform Abstract: Polycyclic Aromatic Alkaloids. Part 4. Total Synthesis of the Pentacyclic Alkaloid Ascididemin.
Authors: BRACHER F.
Published: May 2016

Amination reaction of quinoline‐5,8‐quinone (I) with o‐aminoacetophenone (II) in ethanol yields the compound (III) which undergoes acid‐catalyzed cyclization to produce the tetracyclic quinone (IV).
ChemInform Abstract: Proton NMR Study of Molecular Dynamics in Hydrazinium Perchlorate.
Authors: GANESAN K. , DAMLE R. , RAMAKRISHNA J.
Published: May 2016

The temp. dependence of the spin‐lattice relaxation time T1 (at 5.4, 10, and 15 MHz) and of the second moment M2 (at 9.8 MHz) are measured in N2H5ClO4 and interpreted in terms of molecular motions.
ChemInform Abstract: An Electrochemical Study on the Influence of Oxygen in Tin‐Plate Corrosion and Inhibition.
Authors: BASTIDAS J. M. , DAMBORENEA J. J. , GONZALEZ J. A. , OTERO E. , CHACON M. E. , ARCHER W. I. , SCANTLEBURY J. D. , ALSTON K.
Published: May 2016

The corrosion and inhibition behavior of tin‐plate, pure Sn, an alloy layer (FeSn2), and bare steel in citrate solutions of pH 6 are investigated using polarization, polarization resistance, and impedance measurements.
ChemInform Abstract: Chemisorption and FTIR Study of Bimetallic Pt‐Au/SiO2 Catalysts.
Authors: BALAKRISHNAN K. , SACHDEV A. , SCHWANK J.
Published: May 2016

Pt/SiO2, Au/SiO2, and bimetallic Pt‐Au/SiO2 catalysts are prepared by incipient wetness impregnation of nonporous SiO2 and the sorption behavior of the H2‐reduced catalysts is studied using H2, O2, and CO as adsorbates at room temperature.
ChemInform Abstract: Oxidation Reactions on XnB6H2‐ 6‐n, X: Cl, Br, I; n = 1‐6 and Crystal Structures of ((n‐C4H9)4N)B6I6 and ((n‐C4H9)4N)2B6I6.
Authors: HEINRICH A. , KELLER H.‐L. , PREETZ W.
Published: May 2016

A study of the oxidation behavior of (XnB6H6‐n)2‐ (X: Cl, Br, I; n = 1‐6) by cyclic voltammetry in MeCN shows that these anions undergo a one‐electron oxidation to form the corresponding radical anion.
ChemInform Abstract: On the Molecular/Solid‐State Boundary. A Cyclic Iron‐Sulfur Cluster of Nuclearity Eighteen: Synthesis, Structure, and Properties.
Authors: YOU J.‐F. , SNYDER B. S. , PAPAEFTHYMIOU G. C. , HOLM R. H.
Published: May 2016

The MeCN adduct of the cluster compound (V), V·14 MeCN, crystallizes in the triclinic space group P1 with Z=1.
ChemInform Abstract: K3PdH3, a Complex Hydride with Linear (PdH2‐ 2) Groups.
Authors: BRONGER W. , AUFFERMANN G.
Published: May 2016

A yellow powder of the title compound is synthesized by reaction of potassium hydride and Pd sponge in a pure H2 atmosphere (350 °C, 6 h).
ChemInform Abstract: Structure of Tetrahydro‐N‐methyl‐2‐(2‐pyridinyl)‐2‐thiophenecarbothioamide (Picartamide).
Authors: IN Y. , FUJIMORI Y. , OHISHI H. , ISHIDA T. , INOUE M. , SATO F. , OKITSU M. , OHNO T.
Published: May 2016

H+,K+‐ATPase inhibitors (ARIs) are of increasing interest, since the enzyme is recognized as the acid pump involved in the gastric acid secretory process.
ChemInform Abstract: The Formation of Ketones by a Reaction Equivalent to R‐ + R′COCH+ 2 → R′COCH2R.
Authors: KATRITZKY A. R. , WROBEL L. , SAVAGE G. P. , DEYRUP‐DREWNIAK M.
Published: May 2016

A novel and general method for replacing the bromine atom in α‐bromo ketones of type (I) by nucleophiles is presented; the resulting ketones (11 examples given) are isolated as 2,4‐dinitrophenylhydrazones such as (IX).
ChemInform Abstract: Photochemical Oxidation of Benzyl Alcohol. Correction of Reported Structures.
Authors: FURE R. , ROEMMING C. , SKATTEBOEL L.
Published: May 2016

Contrary to an earlier report (1982), the photochemical reaction of benzyl alcohol (III) does not give the dioxanes (I) and (II) but instead the isomeric dioxolanes (IV), (VIII), (IX), among other products.
ChemInform Abstract: Aromatic Nitration via Electron Transfer. Part 8. Nitrosation of Anisole and Related Compounds. Direct Synthesis of 4‐Nitrosoanisole.
Authors: RADNER F. , WALL A. , LONCAR M.
Published: May 2016

By varying all the reaction conditions such as nitrosating agent (N2O4 vs.
ChemInform Abstract: One‐Pot Synthesis of 2‐Vinyl‐1‐azadienes and Divinyl Ketones.
Authors: BARLUENGA J. , MERINO I. , PALACIOS F.
Published: May 2016

Coupling of the phosphazene (I) with the alkynylphosphonium salt (II) gives the α‐imino β‐phosphonium ylide (III) which reacts with the aldehydes (IV), yielding the dienyl phosphonium bromides (V).
ChemInform Abstract: Hindered Organoboron Groups in Organic Synthesis. Part 13. The Direct Production of Ketones from Aliphatic Aldehydes by a Unique Variant of the Boron Wittig Reaction.
Authors: PELTER A. , SMITH K. , ELGENDY S. , ROWLANDS M.
Published: May 2016

The α‐lithioalkyldimesitylboranes (I) are coupled with the aldehydes (II) and then quenched with trifluoroacetic anhydride or N‐chlorosuccinimide, yielding the ketones (III).
ChemInform Abstract: Unusual Hydrogenolysis of 2‐Isoxazolines.
Authors: LAKHVICH F. A. , KOROLEVA E. V. , ANTONEVICH I. P.
Published: May 2016

Reduction of the cyclopentisoxazoles (I) with Raney nickel yields the α‐aminoalkylenecyclopentanones (II).
ChemInform Abstract: Isodicyclopentadienes and Related Molecules. Part 49. Synthesis, Static Structure, and Kinetic Stability of a syn‐Sesquinorbornatriene.
Authors: PAQUETTE L. A. , SHEN C.‐C.
Published: May 2016

In contrast to the non‐spiro parent system and several monospiro analogues, the bisspiro compound (VI) is found to be recalcitrant to attack by several reactive reagents.
ChemInform Abstract: Efficient Solid State Photocyclization of Sterically Congested α‐(o‐Tolyl) Ketones Despite “Poor” Geometries for Hydrogen Abstraction.
Authors: WAGNER P. J. , ZHOU B.
Published: May 2016

The o‐methylbenzyl ketones (I) and (III) are irradiated in the solid state to perform predominantly cyclization, yielding the indanols (II) and (IV).
ChemInform Abstract: 3‐Oxo‐4‐thioxo‐1,2,5,6‐tetrathiapentalene (OTTP): A Novel Thiocarbon with an Unusual Chalcogen Network in Its Solid State Structure.
Authors: CLOSS F. , SRDANOV G. , WUDL F.
Published: May 2016

Diethyl ethoxymethylenemalonate (I) is treated with Lawesson's reagent (II) to give a mixture of the 1,2‐dithiolethiones (III) and (IV).
ChemInform Abstract: 1‐Methyl‐2‐benzimidazolylcarbene. Reactions of 1‐Methyl‐2‐(chloromethyl)benzimidazole with Nucleophiles.
Authors: POPOV I. I.
Published: May 2016

The chloromethylbenzimidazole (I) is coupled with the electrophiles (II) to give the substitution products (III).
ChemInform Abstract: Syntheses and Reactions of Silyl Carbamates. Part 2. A New Mode of Cyclic Carbamate Formation from tert.‐Butyldimethylsilyl Carbamate.
Authors: SAKAITANI M. , OHFUNE Y.
Published: May 2016

Stereoselective construction of 1,2‐ and 1,3‐amino hydroxyl systems is achieved by intramolecular trapping of silyl carbamates activated by the fluoride ion.
ChemInform Abstract: Antiinflammatory Activity of Substituted 1,3,4‐Oxadiazoles.
Authors: RAMAN K. , PARMAR S. S. , SALZMAN S. K.
Published: May 2016

The hydroxybiphenyl (I) is O‐alkylated with the chloroacetate (II).