bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Chiroptical Properties of γ‐Substituted Rigid and Conformationally Flexible Systems Having 1,3‐Diene and α,β‐Unsaturated Carbonyl Chromophores. The Planar Diene Rule.
Authors: WALBORSKY H. M. , GAWRONSKA K. , GAWRONSKI J. K.
Published: May 2016

The syntheses of the chiral (aS) title compounds (V) (flexible system), (VIII), and (XI) (rigid system) are described.
ChemInform Abstract: Selective Desilylation of Phenolic and Alcoholic Trimethylsilyl Ethers.
Authors: KAWAZOE Y. , NOMURA M. , KONDO Y. , KOHDA K.
Published: May 2016

Using the quaternary ammonium resin Dowex 1‐X8, the bissilyl ether (I) is desilylated at the phenolic ether group, producing the p‐(siloxymethyl)phenol (II).
ChemInform Abstract: Aryliodosocarboxylates in Organic Synthesis. Part 3. Reaction of Diarylacetylenes with Phenyliodosotrifluoroacetate.
Authors: VASIL'EVA V. P. , KHALFINA I. L. , KARPITSKAYA L. G. , MERKUSHEV E. B.
Published: May 2016

The diarylacetylenes (I) are oxidized by phenyliodosotrifluoroacetate in CHCl3 containing a trace of H2O to give the benzils (II).
ChemInform Abstract: Influence of the Arylsulfonamide Group on the Substitution in the Aromatic Nucleus. Part 3. Alkylation of the N‐Arylamides of Sulfonic Acids by Alcohols.
Authors: ZAKATOV V. V.
Published: May 2016

The reactions between the N‐arylamides (I), (IV) or (VI) and the alcohols (II) do not afford products of N‐alkylation or rearrangement as has been stated earlier.
ChemInform Abstract: Some Sulfur and Nitrogen Substituted Xyloquinones.
Authors: WLADISLAW B. , MARZORATI L. , NETTO S. L.
Published: May 2016

The dihaloxyloquinones (I) react with the thiols (II) to yield the dimercaptoxyloquinones (III).
ChemInform Abstract: Synthesis and Dopaminergic Activity of trans‐4‐Methyl‐3‐phenylpyrrolidines.
Authors: TSCHAPPAT K. D. , CRIDER A. M. , HASSAN M. N. , FAHN S.
Published: May 2016

The 3‐methoxybenzaldehydes (I) are converted to the imides (VI) via the intermediates (V).
ChemInform Abstract: Reaction of 2‐Mercaptobenzothiazole with Dichlorocarbene.
Authors: RAO J. S. , IYENGAR D. S. , BHALERAO U. T. , RAO S. N.
Published: May 2016

Reaction of the benzothiazole (I) with dichlorocarbene (generated from chloroform (II)) under phase‐transfer conditions yields the product (IV) which is presumably formed by reaction with the catalyst (III).
ChemInform Abstract: Reduction of α,β‐Unsaturated Nitroalkenes with Borane and Borohydrides. A Convenient Route to 3‐Nitro‐, 3‐Hydroxylamino‐, and 3‐Amino‐2H‐1‐benzopyran Derivatives.
Authors: VARMA R. S. , GAI Y.‐Z. , KABALKA G. W.
Published: May 2016

The nitrochromenes (I) and (III) are reduced using sodium boranate to give the trans‐3‐nitrochromones (II) and (IV).
ChemInform Abstract: The Reaction of β‐Aminoenones with Substituted Acetonitriles. Regiospecific Synthesis of 2(1H)‐Pyridones.
Authors: ALBEROLA A. , ANDRES C. , GONZALEZ ORTEGA A. , PEDROSA R. , VICENTE M.
Published: May 2016

Reactions of the substituted acetonitriles (I) with the enamino ketones (II) are described.
ChemInform Abstract: Preparation of New Nitrogen‐Bridged Heterocycles. Part 16. Facile Synthesis of Thieno(2,3‐b)indolizine Derivatives.
Authors: KAKEHI A. , ITO S. , OHNO Y. , SHIBA S. , KAMATA S.
Published: May 2016

The title compounds (VIII) are prepared from (I) via (IV), (V) and (VII).
ChemInform Abstract: Reaction of 4‐Acylaminomethylpyridine N‐Oxides with 5‐Monosubstituted Barbituric Acids in Presence of Acetic Anhydride.
Authors: BRANA M. F. , CASTELLANO J. M. , REDONDO M. C. , YUNTA M. J. R.
Published: May 2016

The N‐oxide (I) reacts with diethyl malonate (II) in acetic anhydride to give the substitution product (III) which is cleaved with urea to yield the amide (V).
ChemInform Abstract: A Synthetic Equivalent of Triformyl‐s‐triazine.
Authors: SUMERA F. , LE ROUZIC A. , RAPHALEN D. , KERFANTO M.
Published: May 2016

Dibromoacetonitrile (I) is trimerized in the presence of AlBr3 and subsequently substituted with morpholine (III) to yield the tris(dimorpholinomethyl)‐s‐triazine (IV).
ChemInform Abstract: Alkylation Reaction and Michael Condensation of 3‐Aroylacrylic Acids.
Authors: TAMAM G. H. , HAMED A. A. , EL‐MOBAYED M. , MOHAMED A. Y.
Published: May 2016

The aroylacrylic acid (Ia) is coupled with p‐xylene (II) and then cyclized with the hydrazines (IV) or in the presence of acetic anhydride, yielding the diarylpyridazinones (V) or the dihydrofuranone (VI).
ChemInform Abstract: Addition of Dihalocarbenes to 3H‐1,5‐Benzodiazepines. Synthesis of 2H‐Bisazirino(1,2‐a:2′,1′‐d)(1,5)benzodiazepines.
Authors: TAKAHASHI M. , TAKADA T. , SAKAGAMI T.
Published: May 2016

3H‐1,5‐Benzodiazepines (I) react with dihalocarbenes, prepared from the trihalomethanes (II) with bases in situ, to give the bisaziridines (III).
ChemInform Abstract: Unusual Regioselectivity in the Mercuration of the Dimethyl Ester of Tricyclo(4.2.2.02,5)deca‐3,7,9‐triene‐9,10‐dicarboxylic Acid.
Authors: KARTASHOV V. R. , SOKOLOVA T. N. , SKOROBOGATOVA E. V. , BAZHENOV D. V. , ROZNYATOVSKII V. A. , GRISHIN YU. K. , KOZ'MIN A. S. , ZEFIROV N. S.
Published: May 2016

The mercuration of the title compound (I) is found to proceed regioselectively to give the product (III).
ChemInform Abstract: Synthesis and Characterization of Symmetrical and Unsymmetrical Low‐Valent Rhenium‐Oxo Dimers, Re2O2(RCCR)4.
Authors: VALENCIA E. , SANTARSIERO B. D. , GEIB S. J. , RHEINGOLD A. L. , MAYER J. M.
Published: May 2016

The reaction of (I) with tBu2Zn does not produce a tert.‐butyl complex but results in reduction of the Re center with formation of the unusual Re‐oxo dimer (II).
ChemInform Abstract: Merocyaninocyanines with a 1‐Ethyl‐5‐chlorobenzimidazole Group in the Cyanine Moiety.
Authors: LYUBICH M. S. , SAZONOV S. K. , USHOMIRSKII M. N.
Published: May 2016

The title compounds (VIII) are prepared.
ChemInform Abstract: Total Synthesis of Didemnins, A, B,and C.
Authors: RINEHART K. L. JUN. , KISHORE V. , NAGARAJAN S. , LAKE R. J. , GLOER J. B. , BOZICH F. A. , LI K.‐M. , MALECZKA R. E. JUN. , TODSEN W. L. , MUNRO M. H. G. , SULLINS D. W. , SAKAI R.
Published: May 2016

The total synthesis of the title compound (Ia) (didemnin A) is accomplished using conventional condensation procedures starting from the readily accessible units (II) and (III) via the key intermediates (IV) and (VI).
ChemInform Abstract: Synthesis of Phosphonylmethyl Analogues of Diribonucleoside Monophosphates Containing Modified Internucleotide Bond.
Authors: ROSENBERG I. , HOLY A.
Published: May 2016

Four types of diribonucleoside monophosphates (V)‐(VIII) are prepared via condensation of protected phosphonates (e.g.
ChemInform Abstract: Coupling of Cyclopropapyrroloindole (CPI) Derivatives. The Preparation of CC‐1065, ent‐CC‐1065, and Analogues.
Authors: KELLY R. C. , GEBHARD I. , WICNIENSKI N. , ARISTOFF P. A. , JOHNSON P. D. , MARTIN D. G.
Published: May 2016

The preparation of the Boc derivative (IV) from the mesylate (I) proves to be an optimized route to the desired title compounds.
ChemInform Abstract: Syntheses, Solution Properties and Crystal Structures of Peroxo‐ and Superoxo‐Bridged Dinuclear Ammine Rhodium(III) Complexes.
Authors: SPRINGBORG J. , ZEHNDER M.
Published: May 2016

The title complexes (III) and (IV) are synthesized according to the scheme.
ChemInform Abstract: Acid‐Catalyzed Intramolecular Allylic Rearrangement of Methyl Ethers in Aqueous Solvent. Evidence for the Intermediacy of Ion‐Molecule Pairs in Solvolysis.
Authors: THIBBLIN A.
Published: May 2016

(I) undergoes a facile H+‐catalyzed intramolecular allylic isomerization to (II) along with solvolysis to (III) and (IV).
ChemInform Abstract: Photo‐Rearrangement of Polychlorobenzenes. meta‐Migration of Chlorine Atom.
Authors: MORISAKI K. , MIURA Y. , ABE K. , HIROTA M. , NAKADA M.
Published: May 2016

stryPhoto‐Rearrangement of Polychlorobenzenes.
ChemInform Abstract: Stereoselective (E)‐Olefin Formation by Wittig‐Type Olefination of Aldehydes with Allylic Tributylphosphorus Ylides Derived from Allylic Nitro Compounds.
Authors: TAMURA R. , KATO M. , SAEGUSA K. , KAKIHANA M. , ODA D.
Published: May 2016

The allylic nitro compounds (I) are converted to the phosphonium salts (III) by reaction with tributylphosphine (II) in the presence of a Pd(0) complex.
ChemInform Abstract: Et3B Induced Radical Addition of Thiols to Acetylenes.
Authors: ICHINOSE Y. , WAKAMATSU K. , NOZAKI K. , BIRBAUM J.‐L. , OSHIMA K. , UTIMOTO K.
Published: May 2016

The alkynes (I) are coupled with the thiols (II) in the presence of triethylboron to give the 1‐sulfenylalkenes (III).
ChemInform Abstract: Coupling of Indoleacetic Acid Trianion or Methyl Indoleacetic Acid Dianion. A Biomimetic Approach to Indolocarbazole Alkaloids.
Authors: BERGMAN J. , PELCMAN B.
Published: May 2016

The indole‐3‐acetic acid derivatives (I) are two‐ or threefold deprotonated and then treated with iodine to give the dimers (II).
ChemInform Abstract: Michael Addition of Novel Acyl Anion Equivalents Generated by the Electroreduction of Oxazolinium Salts to Activated Olefins.
Authors: SHONO T. , KASHIMURA S. , YAMAGUCHI Y. , KUWATA F.
Published: May 2016

The carboxylic acids (I) are cyclized with 2‐aminoisobutanol (II) and then methylated to form the oxazolinium salts (IV).
ChemInform Abstract: Bipyridines. Part 19. Synthesis of Some Novel 2,7,9,10‐Tetraazaphenanthrene Derivatives.
Authors: KACZMAREK L.
Published: May 2016

Diazotization of the bipyridine‐3,3'‐diamine (I) affords the tetraazaphenanthrene (II) along with the pyrrolo‐dipyridine (III), instead of the expected bipyridine‐3,3'‐diol and the furo‐dipyridine.
ChemInform Abstract: Activation of Platinum Catalysts with Oxygen to Enhance Hydrosilylation of Unactivated Alkyl‐, Dialkyl‐, and Trialkylsilanes with 1‐Alkenes. Synthesis of Tetraalkylsilanes.
Authors: ONOPCHENKO A. , SABOURIN E. T.
Published: May 2016

Reaction of 1‐octene (Ia) with n‐hexylsilane (II) in the presence of an oxygen‐activated platinum catalyst gives hexyltrioctylsilane (III).
ChemInform Abstract: New Decomposition Pathways for Formyl Complexes of Ruthenium(II).
Authors: BARRATT D. S. , COLE‐HAMILTON D. J.
Published: May 2016

The formyl complex (II), prepared as shown by hydridic reduction of the complex (I), decomposes with first‐order kinetics to give exclusively the hydrido complex (III).
ChemInform Abstract: Preparation, NMR Spectra, and X‐Ray Diffraction Study of Bis(N‐benzylacetimidic acid ethyl ester)dichloropalladium(II).
Authors: MCCULLOUGH K. J. , BLADON P. , JANECKI T. , PAUSON P. L.
Published: May 2016

The ligand (I) reacts with PdCl2 (II) to yield the trans‐complex (III) with N coordination of the ligand as established by an X‐ray analysis (space group P21/c, Z=2).
ChemInform Abstract: Metal Pseudohalides. Part 43. Anionic Tricyanomethanide Complexes of Palladium(II) and Platinum(II).
Authors: KOEHLER H. + , JESCHKE M. , NEFEDOV V. I.
Published: May 2016

The title compounds (III) are synthesized by the exchange reaction shown.
ChemInform Abstract: A Combined Microbial/Chemical Synthesis of (+)‐(R)‐Methyloxirane Having High Enantiomeric Excess.
Authors: SIMON E. S. , WHITESIDES G. M. , CAMERON D. C. , WEITZ D. J. , COONEY C. L.
Published: May 2016

Clostridium thermosaccharolyticum converts glucose (I) to R‐propylene glycol (II).
ChemInform Abstract: Anticonvulsant Activity of Some 4‐Aminophenylacetamides.
Authors: CLARK C. R. , DAVENPORT T. W.
Published: May 2016

4‐Nitrophenylacetic acid (I) is converted to the amides (III) and reduced to form the title compounds (IV).
ChemInform Abstract: Tetraarylfluorophosphoranes.
Authors: BROWN S. J. , CLARK J. H. , MACQUARRIE D. J.
Published: May 2016

The hydrogendifluorides (I) are prepared by a simple reaction of their corresponding bromides or iodides with an ion‐exchange resin containing HF2‐.
ChemInform Abstract: Rearrangement of Derivatives of Trivalent Phosphorus Acids Under the Influence of Protonating Reagents with Formation of a C‐P Bond.
Authors: GLADSHTEIN B. M. , ZIMIN V. M. , SHISHKOV I. M. , REVEL'SKII I. A.
Published: May 2016

Reaction of the CH‐acidic compounds (I) with the phosphonites (II) or the phosphites (IV) gives the bisphosphinates (III), the monophosphonates (V), or a mixture of the mono‐ (VI) and bisphosphinate (VII) depending on the substituents.
ChemInform Abstract: Reactions of the Dirhenium(III) Carboxylate Complexes Re2(O2CR)2X4L2 (R: Me, Et; X: Cl, Br; L: H2O, 4‐Mepy) with 2‐Hydroxypyridine (Hhp) and 2‐Hydroxy‐6‐methylpyridine (Hmhp). Isolation and Structural Characterization of Complexes of the Types Re2(hp)2X4·Hhp and Re2(mhp)2X4·Hmhp and Hydrolysis of Nitriles (R′CN) to Give the Carboxylate‐Bridged Species Re2(μ‐O2CR′)(mhp)2X3.
Authors: CUTLER A. R. , ESJORNSON S. M. V. , FANWICK P. E. , WALTON R. A.
Published: May 2016

The reaction of (Ia)‐(Ic) with (II) or (IV) in THF or acetone affords the diamagnetic complexes (III), (IIIb) being characterized by X‐ray crystallography (P1, Z=2).
ChemInform Abstract: Acid‐Catalyzed Additions of Acetylenes to (XPd(μ‐Ph2PCH2PPh2)2PdX) (X: Cl, Br, or I) to Give Dimetalated Olefin Complexes of Type (XPd(μ‐Ph2PCH2PPh2)2(μ‐HC=CR)PdX) (R: H, Ph, or C6H4Me‐p).
Authors: HIGGINS S. J. , SHAW B. L.
Published: May 2016

The addition of the acetylenes (II) to the diphosphine‐bridged Pd complexes (I) is catalyzed by traces of acid and (in some cases) methanol giving the title products (III).
ChemInform Abstract: Preparative Synthesis of 2‐Acetamido‐2,6‐dideoxy‐L‐galactose (N‐Acetyl‐L‐fucosamine).
Authors: ANISUZZAMAN A. K. M. , HORTON D.
Published: May 2016

The hexenitol (I) is treated with sodium azide (II) in the presence of ceric ammonium nitrate to form the azides (III) and (IV) which are acetylated and hydrogenated, producing the acetamidogalactopyranose (VI).
ChemInform Abstract: Synthesis and Defect Structure of Two Types of Cadmium Antimony Oxide Semiconducting Ceramics.
Authors: LI B.
Published: May 2016

Two compounds with stable structures are obtained in the CdO (I)‐Sb2O5 (II) system.
ChemInform Abstract: Mechanism of the Reaction of Trialkyl Phosphites (I) with α‐Haloacetophenones (II) and (VI) in Alcoholic Solvents
Authors: PETNEHAZY I. , KEGLEVICH G. , TOEKE L. + , HUDSON H. R.
Published: May 2016

(second‐order rate constants, activation parameters, Hammett plots, solvent effect (toluene) in the reaction of (Ia) with (II) and (VI) (Y: ‐H); Arbuzov vs.
ChemInform Abstract: A Conjugated Bis(tetrathiafulvalene) System (VII) with Tetrathia‐s‐indacene Structure.
Authors: WOLF P. , NAARMANN H. , MUELLEN K. +
Published: May 2016

Electrochemical oxidation (cyclovoltammetry) of (VII) leads to reversible electron transitions at +0.70 and +1.00 V (ESR of (VII)·+).
ChemInform Abstract: The 1,4 O→C Silyl Migrations of Various 3‐((Trialkylsilyl)oxymethyl)furans and ‐thiophenes.
Authors: BURES E. J. , KEAY B. A.
Published: May 2016

The trialkylsiloxymethylfurans and thiophenes (Ia) ‐ (Ic) are treated with butyllithium in the presence of HMPA to yield the rearranged hydroxymethylsilyl derivatives (II).
ChemInform Abstract: Synthesis and Crystal Structure of Sr3Ga2O5Cl2 (I) and Sr3Fe1.18Al0.82O5Cl2 (II).
Authors: LEIB W. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the title compounds are obtained by solid state reactions using SrCl2 as a flux.
ChemInform Abstract: Kinetics of Oxidation of Uranium(IV) by Permanganate Ion in Aqueous Perchlorate Media.
Authors: HASSAN R. M. , MOUSA M. A. , EL‐SHATOVRY S. A.
Published: May 2016

Using a stopped‐flow apparatus the title reaction, with a stoichiometry according to the scheme, is found to be first order in the concentrations of both the reactants.
ChemInform Abstract: Pulse Radiolysis Studies of Berkelium(III): Preparation and Identification of Berkelium(II) in Aqueous Perchlorate Media.
Authors: SULLIVAN J. C. , SCHMIDT K. H. , MORSS L. R. , PIPPIN C. G. , WILLIAMS C.
Published: May 2016

A freshly prepared Bk(III) solution (2.0·10‐3 M in Bk(III), pH 5, 0.1 M EtOH, Ar saturated) is irradiated with a 40‐ns pulse of electrons (ca.
ChemInform Abstract: The Crystal Structure of Thallium(I) 1,2,4,5‐Benzenetetracarboxylate.
Authors: DAY C. S. , LUEHRS D. C.
Published: May 2016

The tetrathallium(I) salt of the title ligand crystallizes in P21/n with Z=2.
ChemInform Abstract: Synthesis, Prototropic Tautomerism and Ionization Constants of Novel Polyfluorinated Monothio‐β‐diketones.
Authors: BUSYGIN I. G. , EGOROVA L. G. , NIKOL'SKII A. L. , PASHKEVICH K. I.
Published: May 2016

The synthesis of the tautomeric title compounds (II) and (III) is described.
ChemInform Abstract: Temperature and Pressure Dependent Equilibrium Studies of 1,4,8,11‐Tetramethyl‐1,4,8,11‐tetraazacyclotetradecane Nickel(II) in Coordinating Solvents.
Authors: CRICK I. S. , TREGLOAN P. A.
Published: May 2016

Spectrophotometric measurements of the equilibria between four coordinate and five coordinate complex species are carried out.
ChemInform Abstract: Methanetrisulfofluoride in Addition Reactions with Unsaturated Compounds.
Authors: YAGUPOL'SKII YU. L. , GERUS I. I. , SAVINA T. I.
Published: May 2016

The reaction of the title compound (I), the strongest carbon acid known, with (II), (IV) and (VI) yields (III), (V) and the unstable adduct (VII), which is converted to its stable 2,4‐dinitrophenylhydrazone by standard procedures.
ChemInform Abstract: Direct Oxidation of Trimethyl‐ and Triethylsilyl‐substituted Alcohols to Carbonyl Compounds by the System Dimethyl Sulfoxide‐Oxalyl Chloride.
Authors: TOLSTIKOV G. A. , MIFTAKHOV M. S. , VOSTRIKOV N. S. , KOMISSAROVA N. G. , ADLER M. E. , KUZNETSOV O. M.
Published: May 2016

The silyl‐protected alcohols (Ia)‐(Ie), on reaction with the system DMSO‐(COCl)2, i.e. the Swern reagent, are converted to the carbonyl compounds (IIa)‐(IIe) in high yields.
ChemInform Abstract: Regioselective Control of Allyllithiums of Some Heterocycles: α vs γ Condensation with Aldehydes.
Authors: EPIFANI E. , FLORIO S. , INGROSSO G.
Published: May 2016

The allyl‐substituted heterocycles (I) are lithiated and then coupled with the aldehydes (IV) to produce the homoallylic alcohols (V) and (VI) or the allylic alcohol (VII).
ChemInform Abstract: Reactions of Electrophilic Cyclobutenes with Enamines: Factors Determining the Formation of Bicyclo(2.2.0)hexane Derivatives.
Authors: FRANCK‐NEUMANN M. , MIESCH M. , BARTH F.
Published: May 2016

The reaction of the cyclobutenes (Ia) or (Ib) with the enamines (IId)‐(IIf) in the presence of MgBr2 gives rise to the cyclobutyl ketones (III) or (V) whereas reaction of (Ib) with the morpholino enamines (IIa)‐(IIc) or (VII) leads to morpholinobicycloalkane adducts (IV) or (VI).
ChemInform Abstract: Synthesis of 5‐Substituted Nitriles of 2,2,4‐Trichloropentanoic Acid.
Authors: SHVEKHGEIMER M.‐G. A. , KOBRAKOV K. I. , SYCHEV S. S. , OPPENGEIM V. D.
Published: May 2016

In the presence of a catalytic amount of CuCl, trichloroacetonitrile (I) reacts with the allyl derivatives (IIa)‐(IIc) to yield the adducts (IIIa)‐(IIIc), whereas the allyl derivatives (IId) give complex mixtures of products, which are not identified.
ChemInform Abstract: Preparation and Crystal Structure of ((CF3)2NCF=NHCF3)+AsF6‐·HF.
Authors: MINKWITZ R. , KERBACHI R. , NASS R. , BERNSTEIN D. , PREUT H.
Published: May 2016

The salt (IV) is synthesized from the dimer (II) of perfluoroazapropene (I).
ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 7. Synthesis, Crystal Structure, Conformation and Dynamics of Hexaspiro(2.0.3.0.2.0.3.0.3.0.3.0)docosane and Hexaspiro(2.0.3.0.3.0.3.0.3.0.3.0)tricosane.
Authors: FITJER L. , GIERSIG M. , WEHLE D. , DITTMER M. , KOLTERMANN G.‐W. , SCHORMANN N. , EGERT E.
Published: May 2016

The synthesis of the title compounds (VIIb) and (VIIc) is described and their crystal structure ((VIIb): P21/m; Z=2; (VIIc): P1; Z=1), conformation and dynamics are studied and discussed.
ChemInform Abstract: Asymmetric Induction in the Reaction of a Chiral Lithiated Sulfoxide and Aldehydes.
Authors: HOUSE S. , JENKINS P. R. , FAWCETT J. , RUSSELL D. R.
Published: May 2016

Lithiation of the isomeric phenyl‐p‐tolylsulfinylethylenes (R)‐(I) and (R)‐(IV) and subsequent reaction with the aldehydes (II) give a mixture of the diastereomeric allylic alcohols (III).
ChemInform Abstract: 1,2‐Derivatives of Acenaphthene. Part 7. Synthesis of Bromo Derivatives of Acenaphthylene Oxide.
Authors: ANIKIN V. F. , LEVANDOVSKAYA T. I. , STADNIK V. S.
Published: May 2016

Starting from (I), the title compounds (IV) are prepared as shown.
ChemInform Abstract: The Electron Transfer Induced Head to Tail Coupling Reaction of an Isoprenoidal Sulfone Enone.
Authors: HOUGE‐FRYDRYCH C. S. V. , MOTHERWELL W. B. , O'SHEA D. M.
Published: May 2016

The dibromodimethyltetrahydrothiophene dioxide (I) is dehydrobrominated to give the 3,4‐dimethylthiophene dioxide (II) which is converted into the cyclic sulfone enone (IV) by consecutive isomerization and ozonolysis.
ChemInform Abstract: Heterocyclization of o‐Aminoacetylenylanthraquinones.
Authors: SHWARTSBERG M. S. , MOROZ A. A. , PISKUNOV A. V. , BUDZINSKAYA I. A.
Published: May 2016

The o‐aminoacetylenylanthraquinones (I), (III), or (VI) are cyclized in the presence of copper phenylacetylide, KOH/pyridine, or sulfuric acid to give the naphthoindolediones (II), (IV), or (VII).
ChemInform Abstract: Reaction of Cyanoformamidines with 2,2,4,4‐Tetrakis(trifluoromethyl)‐1,3‐dithietane.
Authors: GRUETZMACHER H. + , KEWELOH N. , ROESKY H. W. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

The reaction of the cyanoformamidine (III), generated in situ from cyanogen (I) and dimethylamine (II), with the dimer (IV) of hexafluorothioacetone yields a separable mixture of the thiazolines (V) and (VI).
ChemInform Abstract: Synthesis and Thermal Rearrangement of 5‐Diazomethyl‐1,2,3‐triazoles.
Authors: L'ABBE G. , DEHAEN W.
Published: May 2016

Base treatment of the tosylhydrazones (IV), which are prepared from (I), yields the title compounds (V).
ChemInform Abstract: 1‐Hydroxytetrazole‐5‐carboxylic Acid Derivatives.
Authors: LUK'YANOV O. A. , SHLYKOVA N. I.
Published: May 2016

The title compound (IV), prepared from the hydroximoyl chloride (I) via its azide (III), is transformed into the derivatives (V), (VIII), (X), and (XI) as shown in the reaction scheme.
ChemInform Abstract: Thio‐Claisen Rearrangement Approach to the Synthesis of 2,3‐Disubstituted 4‐Piperidones.
Authors: TUBERY F. , GRIERSON D. S. , HUSSON H.‐P.
Published: May 2016

The Δ2‐thiopiperidone (II) is S‐allylated and then coupled with the Grignard compounds (V), yielding the 2‐substituted derivatives (VI).
ChemInform Abstract: A New Route to N‐Hydroxyquinoxaline‐2,3‐diones and Some Aza Analogues.
Authors: MCFARLANE M. D. , SMITH D. M.
Published: May 2016

The sarcosine esters (I) are cyclized in the presence of bases to give the N‐hydroxyquinoxaline‐2,3‐diones (II).
ChemInform Abstract: Organolanthanoids. Part 13. Bis(pentadeuterocyclopentadienyl)ytterbium(II).
Authors: DEACON G. B. , WILKINSON D. L. , DAVIS R. L.
Published: May 2016

The reaction of Tl(I) pentadeuterocyclopentadienide (I) with ytterbium metal (II) in DME yields the complex (IV), which is isostructural with (C5H5)2Yb(DME).
ChemInform Abstract: 2,4,6‐Ph3C6H2M (M: Cu, Ag), Monomeric Cu(I) and Ag(I) Complexes with the Coordination Number 1.
Authors: LINGNAU R. , STRAEHLE J. +
Published: May 2016

The novel title complexes (III) crystallize in P21/c with Z=4.
ChemInform Abstract: cis‐Dichloro(substituted o‐phenylenediamine)platinum(II) Compounds.
Authors: HOWELL B. A. , WALLES E. W.
Published: May 2016

The title complexes (III) are prepared to serve as substrate for complex formation with water‐soluble polymers.
ChemInform Abstract: Scandium, Yttrium, the Lanthanoids and the Actinoids
Authors: MILLER J. D.
Published: May 2016

Review: (178 refs.
ChemInform Abstract: Boron
Authors: GREATREX R.
Published: May 2016

Review: (144 refs.
ChemInform Abstract: Molecular Recognition During 1,2‐Addition of Chiral Vinyl Organometallics to Chiral β,γ‐Unsaturated Ketones. Case Studies of Three 7,7‐Disubstituted 2‐Norbornenones. Part 5.
Authors: PAQUETTE L. A. , LEARN K. S. , ROMINE J. L. , LIN H.‐S.
Published: May 2016

The level of double diastereoselection attainable upon 1,2‐addition of several chiral vinylorganocerium reagents such as (III) formed from the precursors (II), (VI), (X) to disubstituted norbornenes (I) is assessed.
ChemInform Abstract: Reaction of Singlet Oxygen with α,β‐Unsaturated Aldimines.
Authors: AKASAKA T. , TAKEUCHI K. , ANDO W.
Published: May 2016

Singlet oxygen reacts with the aldimines (I) to give the cyclic peroxides (III).
ChemInform Abstract: Synthetic Methods. Part 24. TiCl4‐Catalyzed Addition of NH3 to Aldehydes and Ketones. Thermolysis and Photolysis of α‐Azido Ethers.
Authors: HASSNER A. , FIBIGER R. , AMARASEKARA A. S.
Published: May 2016

The aldehydes (I) react with hydrazoic acid (II) and methanol (III) to give the α‐azido ethers (IV).
ChemInform Abstract: Oxidation Reactions of a 1‐Phosphadiene: Synthesis of Phosphacyclobutenes.
Authors: BOYD B. A. , THOMA R. J. , NEILSON R. H.
Published: May 2016

Oxidation reaction of the phosphadiene (I) with trimethylsilyl azide (II) yields the phosphacyclobutene (III).
ChemInform Abstract: Preparation of Ultrafine Amorphous Fe1‐xCx Alloy Particles on a Carbon Support
Authors: VAN WONTERGHEM J. , MOERUP S.
Published: May 2016

is achieved by thermal decomposition of Fe(CO)5 at 353 K. Moessbauer spectroscopic results indicate the formation of amorphous Fe78C22 alloy particles with a mean diameter of about 3.9 nm.
ChemInform Abstract: Observation of a Mobile Molybdenum Carbonyl Fragment on γ‐Alumina by Solid‐State Carbon‐13 Nuclear Magnetic Resonance Spectroscopy.
Authors: WALTER T. H. , THOMPSON A. , KENIRY M. , SHINODA S. , BROWN T. L. , GUTOWSKY H. S. , OLDFIELD E.
Published: May 2016

By means of high‐resolution solid‐state 13C NMR spectroscopic studies it is shown that chemical shift anisotropy information, obtained by analysis of spinning sideband intensities in magic‐angle spinning spectra, can be used to study the mobilities of chemisorbed metal carbonyl fragments.
ChemInform Abstract: Electrochemical Methods for Determination of Rate Constants. Part 3. Homogeneous Electron Transfer Followed by Elimination Induced by the Substrate Anion.
Authors: GATTI N. , PEDERSEN S. U. , LUND H.
Published: May 2016

The indirect electrochemical reduction of the bromostilbenes (I) in the presence of a number of aromatic and heteroaromatic mediators yields the products (II)‐(IV).
ChemInform Abstract: A New Rigid Sulfur‐Bridged Dithiametacyclophane and Its Acyclic Analogue: Direct Observation of the Transannular Bond Formation Between the Three Sulfur Atoms and Isolation of Dicationic Salts.
Authors: FUJIHARA H. , CHIU J.‐J. , FURUKAWA N.
Published: May 2016

D2SO4 treatment of the new rigid sulfur‐bridged dithiametacyclophane (Ia) or its sulfoxides (Ib) and (Ic) leads in all cases to the formation of the dication (II), which is attacked at the central sulfur atom by a water molecule to give the sulfoxide (IV).
ChemInform Abstract: Synthetic Application of Tris(methylthio)methyl Salts. An Efficient Route to Trithioorthocarboxylic Esters from Strongly Activated Aromatic and Heteroaromatic Systems.
Authors: BARBERO M. , CADAMURO S. , DEGANI I. , FOCHI R. , GATTI A. , RGONDI V.
Published: May 2016

The reaction of the electron‐rich aromatic and heteroaromatic compounds (IV) with the tris(methylthio)methyl salts (III), easily prepared from dimethyl trithiocarbonate (I), yields the trithioorthocarboxylic esters (V).
ChemInform Abstract: Pauson‐Khand Cycloaddition of Norbornenones and Norbornenols: Electronic Effect on Regioselectivity.
Authors: MACWHORTER S. E. , SAMPATH V. , OLMSTEAD M. M. , SCHORE N. E.
Published: May 2016

The bicyclic olefins (I) react with the acetylenes (II) in the presence of dicobalt octacarbonyl (III) to form the anellated products (IV) and (V).
ChemInform Abstract: Intra‐ and Intermolecular Acylation of 2‐Benzylsuccinic and 2‐Benzylglutaric Anhydrides.
Authors: HASHIMOTO I. , TASHIRO M.
Published: May 2016

Acid‐induced intramolecular acylation of 2‐benzylsuccinic anhydride (Ia) yields the benzo‐fused cycloalkanones (II) and (III).
ChemInform Abstract: 5,6‐Dichloroindole‐3‐acetic Acid as a Potent Auxin: Its Synthesis and Biological Activity.
Authors: HATANO T. , KATAYAMA M. , MARUMO S.
Published: May 2016

The dichloroindoleacetic acids (IV) and (V) are prepared by conventional Fischer indolization of the hydrazones (III) which are obtained from the hydrazine (I) and the protected oxobutyric acid (II).
ChemInform Abstract: Cyclophanes. Part 1. Preparations and Conformational Properties of Dioxazolo(32)metacyclophane and Related Compounds.
Authors: SASAKI H. , KITAGAWA T.
Published: May 2016

The cyclophanes (III), (V), and (VII) are obtained by cyclocondensation of the regioisomeric bis(2‐isocyano‐2‐tosylethyl)benzenes (I), (IV), or (VI) with isophthalaldehyde (II).
ChemInform Abstract: Vilsmeier‐Haack Reaction of 2‐Amino‐X‐benzothiazoles with N‐Phenylformamide in the Presence of Benzenesulfonyl Chloride.
Authors: LACOVA M. , NGUYEN THI NGA NGUYEN THI NGA , HALGAS J.
Published: May 2016

The title reaction of the benzothiazoles (I), (V) or (VII) in the presence of 2 equiv. Ph‐SO2‐Cl leads to the different products (III) and (IV), (VI) or (IX) and (X).
ChemInform Abstract: Reaction of Acylketene S,N‐Acetals with Malonyl Chloride: Synthesis of Novel 1,5‐Substituted 4‐Hydroxy‐6‐methylthio‐2(1H)‐pyridones and 6,8‐Substituted 4‐Hydroxy‐7‐methylthio‐2,5‐dioxo‐5,6‐dihydro‐2H‐pyrano‐(3,2‐c)pyridines.
Authors: CHAKRASALI R. T. , ILA H. , JUNJAPPA H.
Published: May 2016

The reaction of the ketene acetals (I) with one equivalent of malonyl chloride (II) in the presence of triethylamine leads to the formation of the pyridones (III), whereas with an excess of malonyl chloride (II) the pyranopyridones (IV) are obtained.
ChemInform Abstract: Selective Binding of Imidazoles and Related Organic Molecules in an Organic Solvent.
Authors: KILBURN J. D. , MACKENZIE A. R. , STILL W. C.
Published: May 2016

The new ligand (VII), incorporating an enforced cavity lined with convergent but spatially separated hydrogen bond donor and acceptor functionalities, is prepared starting from the cyclic urea (I).
ChemInform Abstract: A New Electron Donor. Bis(3‐oxa‐1,5‐dithiapentano)tetrathiafulvalene.
Authors: RUSSKIKH V. S. , ABASHEV G. G.
Published: May 2016

The zinc complex (I) reacts with the bischlorinated ethers and thioethers (II) to give the anellated dithiolethiones (III) which are transformed into the dithiolium salts (V) on treatment with triethyl orthoformate in the presence of boron trifluoride etherate.
ChemInform Abstract: Preparation of 3‐Substituted E‐1‐Alkenylboronic Esters.
Authors: HOFFMANN R. W. , DRESELY S.
Published: May 2016

The title compounds (VI) are prepared from the terminal alkynes (I) in a one‐pot procedure by consecutive hydroboration with dicyclohexylborane (II), oxidation with trimethylamine oxide, and trans‐esterification with pinacol (V).
ChemInform Abstract: Silacyclobutadienes: The Generation of 1‐Mesityl‐2,3,4‐tri‐tert‐butyl‐1‐silacyclobutadiene.
Authors: FINK M. J. , PURANIK D. B. , JOHNSON M. P.
Published: May 2016

The 254‐nm photolysis of the cyclopropenyltrisilane (I) gives the propenylsilylene (II) which reacts with EtOH (III) to afford the ethoxysilane (IV).
ChemInform Abstract: Efficient Syntheses of Diselenides from Selenols.
Authors: KRIEF A. , DE MAHIEU A. F. , DUMONT W. , TRABELSI M.
Published: May 2016

Diselenides (II) are obtained by oxidation of the selenols (I) with hydrogen peroxide in ethanol or in the presence of potassium hydroxide in a two phase system.
ChemInform Abstract: Transition‐Metal Phosphinidene Complexes: Syntheses, Structures, and Bonding in Dinuclear Phosphinidene Complexes Containing 14‐ and 15‐Electron Metal Fragments.
Authors: ARIF A. M. , COWLEY A. H. , NORMAN N. C. , ORPEN A. G. , PAKULSKI M.
Published: May 2016

The reaction of the phosphorus chloride (I) with (II) produces the dicobalt‐phosphinidene complex (III), which is characterized by X‐ray crystallography (space group Cmcm, Z=4).
ChemInform Abstract: Photoinduced Electron Transfer in Contact Ion Pairs.
Authors: BOCKMAN T. M. , KOCHI J. K.
Published: May 2016

Contact ion pair (CIP) formation of the Co complex salt (I) in solution and the solvent and salt effects on the CIP formation is studied by electronic spectroscopy.
ChemInform Abstract: Photoinduced Intramolecular Electron Transfer in Peptide‐Bridged Molecules.
Authors: SCHANZE K. S. , SAUER K.
Published: May 2016

The two series of complexes (Ia), (Ib) and (Ic) are prepared and characterized in which a polypyridyl Ru(II) complex is linked to p‐dimethoxybenzene (DMB) or p‐benzoquinone (Q) moieties by peptide bridges containing L‐proline.
ChemInform Abstract: Selective Esterification of N‐Benzyl‐L‐aspartic Acid. Part 2. Synthesis of α‐ and β‐Benzyl Esters of N‐Benzyl‐L‐aspartic Acid.
Authors: LEE C. H. , KIM I. K. , LEE Y. H. , CHOI W. S. , CHUNG B. Y.
Published: May 2016

The title benzyl esters (VI) and (VIII) are prepared starting from L‐aspartic acid (I).
ChemInform Abstract: 4‐Nitrobenzyl as a N‐Protective Group in N‐Heterocycles: An Easy Access to 7‐Arylmethyladenines from 3‐(4‐Nitrobenzyl)adenine.
Authors: ER‐RHAIMINI A. , MORNET R.
Published: May 2016

Alkylation of 3‐(4‐nitrobenzyl)adenine (I) with the benzyl bromides (II) yields the substituted 3,7‐dibenzyladenines (III).
ChemInform Abstract: Synthesis and Opioid Activity Profiles of Cyclic Dynorphin Analogs.
Authors: SCHILLER P. W. , NGUYEN T. M.‐D. , LEMIEUX C.
Published: May 2016

In an effort to reduce the conformational flexibility of the κ‐receptor selective opioid peptide dynorphin A, the cyclic analogues (I) and (II) are synthesized in reasonable yield by the solid phase technique using a protection scheme which permits the cyclization of the peptide still attached to the solid support.
ChemInform Abstract: Structure‐Activity Relationship of Lepidopteran, a Self‐Defence Peptide of Bombyx mori.
Authors: SHIBA T. , TESHIMA T. , NAKAI T. , KITAZAWA M.
Published: May 2016

The title peptide consists of three congeners, lepidopteran A, B, and C with slightly differing amino acid units at some positions.
ChemInform Abstract: Surface‐State Properties of n‐CdSe in Sulfide Solutions
Authors: WHEELER B. L. , HACKERMAN N.
Published: May 2016

are investigated by the equivalent parallel conductance technique.
ChemInform Abstract: Reaction of SO‐. 4 with Methylated Uracils. An ESR Study in Aqueous Solution.
Authors: BEHRENS G. , HILDENBRAND K. , SCHULTE‐FROHLINDE D. , HERAK J. N.
Published: May 2016

When phosphate dianions are present in the medium of photolyses of uracils such as (I), phosphate adducts analogous to (II) are detected.
ChemInform Abstract: Dequaternization of Quaternary 1,3,4‐Oxa‐, ‐Thia‐, ‐Selenadiazolium and Oxazolium Salts.
Authors: LIPNITSKII V. F. , SHVAIKA O. P. , KOROTKIKH N. I.
Published: May 2016

Dequaternization of the azolium salts (I) or (Va) is achieved by treatment with tertiary amines, producing the azoles (III) or (VII) and the salts (IV) or (VIII) formed as the result of a transquaternization.
ChemInform Abstract: Oxidative Bromination of Vanillin.
Authors: AFANAS'EVA V. L. , LYUBESHKIN A. V. , KOVALEVA S. S. , BAGREEVA M. R. , ANISIMOVA O. S. , GLUSHKOV R. G.
Published: May 2016

The bromination of vanillin (I) with elemental bromine in the presence of hydrogen peroxide to produce the bromovanillin (II) is optimized.
ChemInform Abstract: Novel 1H‐Benzimidazol‐4‐ols with Potent 5‐Lipoxygenase Inhibitory Activity.
Authors: BUCKLE D. R. , FOSTER K. A. , TAYLOR J. F. , TEDDER J. M. , THODY V. E. , WEBSTER R. A. B. , BERMUDEZ J. , MARKWELL R. E. , SMITH S. A.
Published: May 2016

The o‐phenylenediamines (I) react with the carboxylic acids (II), yielding the title compounds (III) after deprotection by catalytic dehydrogenation.
ChemInform Abstract: Synthesis of 1,2‐Di‐tert‐butyl‐3,4‐bis(tert‐butylchlorophosphino)‐1,2‐diphosphetane.
Authors: NOVIKOVA Z. S. , MONIN E. A. , BORISENKO A. A. , ZAVADSKII K. S. , LUTSENKO I. F.
Published: May 2016

Treatment of the bisphosphine (I) with amines gives the title compound (II).
ChemInform Abstract: Structural Characterization of the Product of Oxidation of a Macrocyclic Cobalt(II) Complex in Pyridine Solution.
Authors: SISTER E. , GOTTFRIED V. , KAPON M. , KAFTORY M. , DORI Z. , GRAY H. B.
Published: May 2016

The title reaction gives the Co(III) complexes (II) isolated as their BF4 salts.
ChemInform Abstract: Studies in the 2‐Hetarylbenzimidazole Series. Part 8. Synthesis and Properties of 1‐Methyl‐2‐(5‐methylselenophen‐2‐yl)benzimidazole.
Authors: EL'CHANINOV M. M. , SIMONOV A. M. , MAGDESIEVA N. N. , KAMINSKII A. YA.
Published: May 2016

Cyclization of the selenophenecarboxaldehyde (II) with o‐phenylenediamine (I) gives the selenophen‐2‐ylbenzimidazole (III) which is methylated, producing the title compound (V).
ChemInform Abstract: Phenolic Oxidation with (Diacetoxyiodo)benzene.
Authors: PELTER A. , ELGENDY S.
Published: May 2016

The dihydroxybenzenes (I) and (III) are oxidized with the title reagent to form the corresponding quinones (II) and (IV) respectively.
ChemInform Abstract: Addition of 2‐Aroyl Aziridines, Potential Azomethine Ylides, to Phenylisocyanate or Phenylisothiocyanate.
Authors: BENHAOUA H. , TEXIER F. , TOUPET L. , CARRIE R.
Published: May 2016

The title reaction of the aziridines (I) with the isocyanate (II) leads to a mixture of the cycloadducts (III)‐(V).
ChemInform Abstract: Synthesis of Pyrimido(4′,5′‐4,5)thieno(2,3‐b)quinolin‐4(3H)‐ones.
Authors: RAJ T. T. , AMBEKAR S. Y.
Published: May 2016

The synthesis of the title compounds (VI) is accomplished starting from the readily accessible cyanoquinoline‐thiones (I) via the intermediates (III) and (IV).
ChemInform Abstract: Synthesis and Characterization of Mixed Azomethine Derivatives of Silicon(IV).
Authors: SINGH S. V. , SINGH R. V.
Published: May 2016

When equimolar amounts of silicon tetraacetate (II), N‐(2‐hydroxyethyl)‐o‐hydroxybenzaldimine (Ia), and the corresponding thiol (Ib) are refluxed in benzene, the hexacoordinated silicon compound (III) is formed.
ChemInform Abstract: Chelates of Tetracycline with First Row Transition Metal Perchlorates.
Authors: MIKULSKI C. M. , FLEMING J. , FLEMING D. , KARAYANNIS N. M.
Published: May 2016

The 1:2 molar reaction of corresponding hydrated metal perchlorates with tetracycline in ethanol‐triethyl orthoformate by boiling under reflux leads to the formation of the monomeric hexa‐ and pentacoordinate 2:1 adducts (I) and (II).
ChemInform Abstract: Separation of Cationic Metal Cluster Compounds by Reversed‐Phase HPLC.
Authors: BOS W. , STEGGERDA J. J. , YAN S. , CASALNUOVO J. A. , MUETING A. M. , PIGNOLET L. H.
Published: May 2016

Reversed‐phase HPLC chromatography on silica gel C18 has proven to be a useful technique for the separation and identification of cationic gold cluster compounds such as (Au9(PPh3)8)3+ and (Au6(PPh3)6)2+ and a variety of mixed Os‐, Ru‐, Re‐ and Pt‐Au cluster compounds.
ChemInform Abstract: Na2PdH2, a Hydride with a Novel Linear (PdH2) Complex.
Authors: NOREUS D. , TOERNROOS K. W. + , BOERJE A. + , SZABO T. , BRONGER W. , SPITTANK H. , AUFFERMANN G. , MUELLER P. +
Published: May 2016

The hitherto unknown title hydride is prepared by reaction of NaH and Pd in a H2 atmosphere at about 370 °C. The compound crystallizes in the tetragonal space group I4/mmm, Z=2.
ChemInform Abstract: X‐Ray Photoelectron Diffraction Studies of the Micas Lepidolite and Biotite.
Authors: ASH L. A. , CLARK S. L. , EVANS S. , HIORNS A. G.
Published: May 2016

Improved techniques for the collection and processing of XPD patterns are described including a new procedure for the correction of the variation of instrumental response with the electron take‐off angle.
ChemInform Abstract: Water in Silicate Glasses: Quantitation and Structural Studies by 1H Solid Echo and MAS‐NMR Methods.
Authors: ECKERT H. , YESINOWSKI J. P. , SILVER L. A. , STOLPER E. M.
Published: May 2016

It is demonstrated that high‐power 1H solid‐echo and high‐speed MAS NMR techniques can provide new information of the bonding state of the hydrous species in glasses.
ChemInform Abstract: Magnetic Structure and Properties of Equiatomic Rare Earth Germanides.
Authors: BUSCHOW K. H. J. , SCHOBINGER‐PAPAMANTELLOS P. , FISCHER P.
Published: May 2016

EuGe and DyGe are found to order antiferromagnetically at 20 K and 37 K, respectively.
ChemInform Abstract: Polarography of Hexavalent Molybdenum in Hypophosphorous Acid Solutions
Authors: HASSAN A. , EL‐SHATORY S. A. , AZAB H. A.
Published: May 2016

(0.1‐5 M H3PO2, 25 °C).
ChemInform Abstract: Formation of Adsorbed Sulfate from the Oxidation of Sulfur Dioxide on Pd(100).
Authors: BURKE M. L. , MADIX R. J.
Published: May 2016

The formation of adsorbed SO4 from SO2 on clean and oxygen‐precovered Pd(100) surfaces is studied by electron energy loss vibrational spectroscopy (EELS), temp.‐programmed desorption/reaction spectroscopy (TPD/TPRS), LEED, and AES.
ChemInform Abstract: Intramolecular Diels‐Alder Reactions of Unsaturated Acylcyclopentadienes and Cyclopentadienecarboxylates.
Authors: PIYASENA H. , GUPTA Y. N. , MUKHERJEE D. , HOUK K. N.
Published: May 2016

Thermolysis of the tricyclic esters (I) gives the cyclopentadienecarboxylates (II) which are transformed into the lactones (III), (IV) and (V), or (VI) and (VII) on further heating.
ChemInform Abstract: Reaction of 5‐Methyl‐Substituted 1,2,3‐Diazaphospholes and 1,2,3‐Diazaarsoles with Diphenyldiazomethane and Nitrones.
Authors: ARBUZOV B. A. , DIANOVA E. N. , ZABOTINA E. YA.
Published: May 2016

Reaction of the diazaphosphole (Ia) or the diazaarsole (Ib) with diphenyldiazomethane (II) gives the bicyclic compounds (III).
ChemInform Abstract: Photochemical Rearrangements of Quinone Monoketals. Synthesis of Substituted Cyclopentenones.
Authors: PIRRUNG M. C. , NUNN D. S.
Published: May 2016

The hydroquinones (I) are converted to the quinone monoacetals (VI) via the intermediates (III) and (V) as outlined in the reaction scheme.
ChemInform Abstract: Photosynthesis of Adamantylideneadamantane‐1,2‐dioxetane Sensitized by Uranyl Ions.
Authors: VOLOSHIN A. I. , SHARIPOV G. L. , KAZAKOV V. P. , TOLSTIKOV G. A.
Published: May 2016

Adamantylideneadamantane (I) is converted to the dioxetane (II) by photosensitized oxygenation, using uranyl nitrate as sensitizer.
ChemInform Abstract: A Study of the Mechanism of Alkane Hydroxylation Using the Fe(Py)4Cl2‐PhNHNHPh‐O2 System.
Authors: DAVIS R. , DURRANT J. L. A. , KHAN M. A.
Published: May 2016

Fe(Py)4Cl2, which forms a stable homogenous solution in acetone only in the presence of benzoic acid, catalyzes the oxidation of alkanes such as (I) in the presence of hydrazobenzene.
ChemInform Abstract: Unsolvated Magnesium Diisopropylamide (MDA) in Organic Synthesis. The Reduction of Aldehydes and Ketones to Alcohols.
Authors: SANCHEZ R. , SCOTT W.
Published: May 2016

The ketones (I) are reduced with unsolvated magnesium diisopropylamide to give the alcohols (II).
ChemInform Abstract: Aromatic Sulfonation. Part 100. Sulfonation and Sulfation in the Reactions of the Chloro‐ and Dichlorophenols, 3‐Fluorophenol and (2,3‐, 2,4‐ and 3,4‐Dichlorophenoxy)acetic Acid with Concentrated Aqueous Sulfuric Acid and Sulfur Trioxide.
Authors: DE WIT P. , CERFONTAIN H.
Published: May 2016

The OH group shows an ortho‐ and para‐directing and activating effect which determines the isomer distribution in the sulfonation using SO3 (VII) up to 1.0 equiv. or H2SO4 (II), as is shown for (I) or (VI).
ChemInform Abstract: The Formation of 1,3‐Di‐Grignard Reagents from Small‐Ring 1,3‐Dibromides.
Authors: SEETZ J. W. F. L. , ENT H. , ROOKHUIZEN R. B. , AKKERMAN O. S. , BICKELHAUPT F.
Published: May 2016

In contrast to expectations the dibromide (I) forms the di‐Grignard compound only as a minor component when treated with Mg, the major products being the cycylobutanes (III) and (IV) derived from the mono‐Grignard compound.
ChemInform Abstract: Synthesis of Cyclopentenyl Sulfones via the (3 + 2) Cyclization‐Elimination Reaction of (Phenylsulfonyl)allene.
Authors: PADWA A. , YESKE P. E.
Published: May 2016

Reaction of dimethyl malonate (I) with the allene (II) in the presence of a trace of NaH gives the Michael‐type adduct (III) which rearranges to the thermodynamically more stable isomer (IV).
ChemInform Abstract: The Bromination of Lutidines.
Authors: DUNN A. D. , GUILLERMIC S.
Published: May 2016

The title reaction is investigated for all six dimethylpyridines yielding in each case mono‐ and dibrominated products.
ChemInform Abstract: Reaction of Polyfluorocarbonyl Compounds with Phenoxides.
Authors: DYACHENKO V. I. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

The phenolates (I) are coupled with hexafluoroacetone (II) to give the mono‐ (III), bis‐ (IV) and (V), or tris(hydroxyhexafluoroisoproyl)phenolates (VI), depending on the substitution pattern, the molar ratio, and the reaction conditions.
ChemInform Abstract: Anomalous Hydrolysis of 1,3‐Dithianes with Ceric Ammonium Nitrate.
Authors: LANSBURY P. T. , ZHI B.‐X.
Published: May 2016

The 1,3‐dithianes (I) react with ceric ammonium nitrate to give the unexpected α,β‐unsaturated ketones (II).
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Reactions of Azomethine Ylides Generated in situ Through Condensation of Secondary α‐Amino Esters with Benzaldehyde.
Authors: JOUCLA M. , MORTIER J. , HAMELIN J. , TOUPET L.
Published: May 2016

The azomethine ylide generated from benzaldehyde (I) and the benzylglycinate (II) undergo cycloaddition with the maleate (III) to give the adduct (IV), whose X‐ray structure is reported (space group P21/n, Z=4).
ChemInform Abstract: Cyclic Acylimines. Part 1. Synthesis and Reactivity of Isoquinoline‐1,4‐diones.
Authors: ALONSO‐SILVA I. J. , PARDO M. , SOTO J. L.
Published: May 2016

Acetoxylation of the dihydroisoquinolinediones (I) gives the acetoxy derivatives (III).
ChemInform Abstract: Chemistry of Heterocyclic Compounds. Part 125. An Improved Synthesis of 3‐Carbomethoxy‐4H‐quinolizone via Palladium(II) Assistance.
Authors: NEWKOME G. R. , THERIOT K. J. , FRONCZEK F. R. , CASTEN C. C.
Published: May 2016

2‐Vinylpyridine (I) and Pd(II) chloride (II) form the complex (III) which reacts with dimethyl malonate (IV) under basic conditions to produce the carbomethoxyquinolizone (V).
ChemInform Abstract: A Simple, One‐Pot Synthesis of 3,4‐Dihydro‐4‐phenacyl‐2H‐1,3‐benzoxazin‐2‐ones.
Authors: LATIF N. , ASAAD F. M. , GRANT N.
Published: May 2016

Cyclocondensation of the 2‐hydroxychalcones (I) with the isocyanates (II) in the presence of potassium hydroxide yields directly the title compounds (III), whereas reaction of (I) with methyl isocyanate (IIa) in the presence of triethylamine forms the carbamates (IV).
ChemInform Abstract: A Convenient Synthesis of 5‐Aryl‐6‐trifluoromethyl‐3,6‐dihydro‐2H‐1,3,4‐oxadiazines. A Silica Gel Catalyzed Novel Cyclization Reaction.
Authors: KAMITORI Y. , HOJO M. , MASUDA R. , FUJITANI T. , OHARA S. , YOKOYAMA T.
Published: May 2016

Acylation of the hydrazones (I), derived from aromatic aldehydes, with trifluoroacetic anhydride (II) yields the α‐trifluoroacetyl hydrazones (III) which cyclize on treatment with silica gel, forming the title compounds (IV).
ChemInform Abstract: A Novel Approach to 1,4‐Oxathiocins: The Thermal Rearrangement of Thiophenium Methylides.
Authors: METH‐COHN O. , VUORINEN E.
Published: May 2016

The 2,5‐dichlorothiophenes (I) are coupled with the diazoketones (II) in the presence of a Rh‐catalyst to give the sulfur ylides (III) which rearrange to produce the 1,4‐oxathiocins (IV).
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 13. A Highly Diastereoselective and Enantioselective Addition of ((Z)‐γ‐Alkoxyallyl)diisopinocampheylboranes to Aldehydes.
Authors: BROWN H. C. , JADHAV P. K. , BHAT K. S.
Published: May 2016

The isomerically pure borane (III) is prepared from the olefin (I) and the (+)‐α‐pinene‐derived compound (II).
ChemInform Abstract: Structure of a Homoborirene.
Authors: PUES C. , BAUM G. , MASSA W. , BERNDT A.
Published: May 2016

The fluorenylborane (III) prepared from (I) and (II) reacts with hexyne (IV) by trapping of the intermediate fluorenylideneborane (V) to give the title compound (VI), the structure of which is investigated.
ChemInform Abstract: Boron Compounds. Part 80. 2,5‐Dihydro‐1,2,5‐thiasilaboroles. Preparation and Complexations.
Authors: KOESTER R. + , SEIDEL G. , BOESE R. , WRACKMEYER B.
Published: May 2016

The two dihydrothiasilaboroles (III) are easily prepared according to the scheme.