bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: β‐Ketonitrosamines as Synthetic Equivalents of α‐Methinyl Methylamino (R‐CHNHCH3) and α‐Methinyl Alkylamino (R‐CHNHR′) Anions.
Authors: FARNSWORTH D. W. , SAAVEDRA J. E.
Published: May 2016

The α‐methyl‐β‐ketonitrosamines (I) are deprotonated and then substituted to form the α,α‐dialkyl derivatives (III).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of 3,5‐Dibromo‐6‐hydroxy‐6‐methyl‐2‐heptanone.
Authors: WILLIARD P. G. , WRENSFORD G.
Published: May 2016

The target compound (III) is obtained via consecutive hydroxybromination and bromination of the methylheptenone (I) with NBS.
ChemInform Abstract: A New Reaction of Aryl Isocyanates with Nitrite Ion.
Authors: BOTTING N. P. , CHALLIS B. C.
Published: May 2016

The aromatic isocyanates (I) are subjected to oxidation with tetraethylammonium nitrite (II) to give the 1,3‐diaryltriazenes (IV) via the intermediate aryldiazotates (III).
ChemInform Abstract: Ruthenium‐Catalyzed Oxidation of Nitriles with tert‐Butyl Hydroperoxide.
Authors: MURAHASHI S. , NAOTA T. , KUWABARA T.
Published: May 2016

Oxidation of the nitriles (I) with tert‐butyl hydroperoxide (II) in the presence of a Ru(II) catalyst yields the α‐tert‐butylperoxy nitrile (III).
ChemInform Abstract: The Reaction of Quaternary Ammonium Salts Derived from 2‐Aryl‐3‐(N,N‐dimethylamino)‐1‐propenes with Some Enolate Anions.
Authors: GUPTON J. T. , KORLIKOWSKI D. , RUSLER M.
Published: May 2016

Coupling of the (2‐aryl‐1‐propen‐3‐yl)trimethylammonium iodides (I) with the anions derived from the active methylene compounds (II) yields the carboxylates (III).
ChemInform Abstract: New Ring Conversion of Monocyclic Ketones to Bicycloenone Skeletons.
Authors: MIYAO Y. , TANAKA M. , SUEMUNE H. , SAKAI K.
Published: May 2016

Treatment of the 2‐(oxoalkyl)cycloalkanones (I), (III), (X), and (XIII) with boron trifluoride etherate and ethylene glycol results in the predominant formation of the bicyclic enones (II), (V), (XII), and (XV).
ChemInform Abstract: Reactions of Unsaturated Azides. Part 10. 2‐Methylene‐2H‐azirines by Photolysis of 1‐Azidoallenes.
Authors: BANERT K. , HAGEDORN M.
Published: May 2016

A participation of a dipolar resonance structure is indicated by the 13C NMR spectra of (II).
ChemInform Abstract: Darzen′s Reaction on Oxoketene Dithioacetals: New Versatile Synthesis of Substituted and Anellated Furan‐2‐carboxylates.
Authors: DATTA A. , POORANCHAND D. , ILA H. , JUNJAPPA H.
Published: May 2016

Darzen's condensation of in situ formed lithiobromoacetate (see condition A)) with oxoketene dithioacetals such as (I) affords the title furans (II) which can be desulfurized to (III).
ChemInform Abstract: Isolation of Bicyclo(3.2.1)oct‐3‐ene‐2,8‐dione Products (Formal 5 + 2 Cycloadducts) from Reactions of Styrenes with 2‐Alkoxy‐1,4‐benzoquinones.
Authors: ENGLER T. A. , COMBRINK K. D. , TAKUSAGAWA F.
Published: May 2016

The trans‐β‐methylstyrenes (I) undergo ring closure reaction with the 2‐alkoxy‐1,4‐benzoquinones (II) in the presence of Ti(IV) salts to yield the alkoxydihydrobenzofurans (III), hydroxybicyclo(3.2.1)octenediones (IV), and alkoxybicyclo(4.2.0)octenediones (V).
ChemInform Abstract: Functionalization of the Methyl Group of 2‐Methylindole by Direct Generation of a C,N‐Dianion.
Authors: INAGAKI S. , NISHIZAWA Y. , SUGIURA T. , ISHIHARA H.
Published: May 2016

The best procedure to generate dianion (II) is given by A) and neither reversing the sequence of base treatments nor treatment with both bases simultaneously give similar results.
ChemInform Abstract: Silica Gel‐Catalyzed Cyclizations of Enones and Double Michael Additions of Vinylogous Amides: Efficient Synthesis of Bicyclo(2.2.2)octanones and Bicyclohydrocarbazolones.
Authors: SCHINZER D. , KALESSE M.
Published: May 2016

Coupling reaction of the cyclohexenones (I) with methyl acrylate (II) and subsequent silylation with trimethylchlorosilane (III) produce the ketene acetals (IV) which are cyclized on silica gel, forming the bicyclooctanones (V).
ChemInform Abstract: Reaction of Derivatives of Thiosemicarbazide with Bis(imidochlorides) of Oxalic Acid.
Authors: BECKERT R. , GRUNER M. , SEIDEL I. , KUBAN R.‐J.
Published: May 2016

Oxalic bis(imidochlorides) such as (I) react with thiosemicarbazones of type (II) or (V) to give the five‐membered ring heterocycles (III), (IV) or (VI) (yields of (III) not given).
ChemInform Abstract: Nitroimidazoles. Part 21. 2,3‐Dihyro‐6‐nitroimidazo(2,1‐b)oxazoles with Antitubercular Activity.
Authors: NAGARAJAN K. , SHANKAR R. G. , RAJAPPA S. , SHENOY S. J. , COSTA‐PEREIRA R.
Published: May 2016

The title compounds are tested for antitubercular activity in vitro and in vivo.
ChemInform Abstract: Antifungal Agents. Part 30. Novel Substituted 3‐(2‐Furanyl)‐3‐(1H‐imidazol‐1‐ylmethyl)‐2‐methyl‐5‐phenyl(or phenyloxymethyl)isoxazolidines.
Authors: BENNETT G. A. , MULLEN G. B. , MITCHELL J. T. , JONES W. E. , ALLEN S. D. , KINSOLVING C. R. , GEORGIEV V. ST.
Published: May 2016

The in vitro antifungal activity of the title compounds (III) and (IV) is investigated.
ChemInform Abstract: Reaction of Ethyl Diethoxyacrylate with Alkynylalkoxycarbene Metal (Cr, W) Complexes: New Procedure for Preparation of 6‐Ethoxy‐2H‐pyrones.
Authors: CAMPS F. , MORETO J. M. , RICART S. , VINAS J. M. , MOLINS E. , MIRAVITLLES C.
Published: May 2016

The pentacarbonylmetal carbene complexes (I) react with the diethoxyacrylate (II) at room temperature to give a mixture of the complexes (III) and (IV).
ChemInform Abstract: Photochemically Induced Reaction of Pyridine‐2,4‐dicarbonitrile with Primary and Secondary Amines. A Direct Synthesis of Aminocyanopyridines.
Authors: BERNARDI R. , CARONNA T. , MORROCCHI S. , URSINI M. , VITTIMBERGA B. M.
Published: May 2016

As already reported, dinitrile (I) reacts via its triplet state with donors and here amines (II) (9 examples) act as the donors to give products (III) and (IV) in ratios ranging from 0.52 to 1.83 together with (V).
ChemInform Abstract: Synthesis, Antibacterial Activity, and Structure‐Activity Relationships of N‐Substituted 3‐Methyl‐4‐diazo‐5‐pyrazolecarboxamides.
Authors: BARALDI P. G. , BRIGIDI P. , CASOLARI A. , MANFREDINI S. , PERIOTTO V. , RECANATINI M. , ROBERTI M. , ROSSI M.
Published: May 2016

The fused piperazinedione (I) is cleaved upon treatment with the amines (II), producing the 4‐nitropyrazole‐5‐carboxamides (III).
ChemInform Abstract: A Short and Convenient Synthesis of 5‐Alkyl‐Substituted 8‐Hydroxyquinolines.
Authors: HOJJATIE M. , MURALIDHARAN S. , DIETZ M. L. , FREISER H.
Published: May 2016

5‐Chloro‐8‐methoxyquinoline (I) is directly substituted with the alkyllithium agents (II) or lithiated with phenyllithium and then alkylated with the bromides (IV), producing the 5‐alkyl‐8‐methoxyquinolines (III).
ChemInform Abstract: Isolation and Characterization of Polydentate Ligands Derived from the Reaction of Pentaerythrityltetrabromide and Ethylenediamine.
Authors: MCAULEY A. , BEVERIDGE K. , SUBRAMANIAN S. , WHITCOMBE T. W.
Published: May 2016

The reaction of pentaerythrityltetrabromide (I) with ethylenediamine (II) yields the amines (III), (VI) and (VIII), which are isolated by separation of the corresponding Ni2+ complexes.
ChemInform Abstract: Platinum‐Complex‐Catalyzed Double Silylation of Ethylene and Norbornene with Disilanes.
Authors: HAYASHI T. , KOBAYASHI T. , KAWAMOTO A. M. , YAMASHITA H. , TANAKA M.
Published: May 2016

Double silylation of ethylene (II) with disilanes e.g. (I) proceeds in the presence of Pt(PPh3)4 to give 1,2‐bis(silyl)ethanes such as (III).
ChemInform Abstract: Synthesis and Structural Characterization of a Meerwein‐Ponndorf‐Verley/Oppenauer Redox Intermediate at a Tantalum(V) Center.
Authors: STRICKLER J. R. , BRUCK M. A. , WEXLER P. A. , WIGLEY D. E.
Published: May 2016

The alkyne adducts (I) and (IV) react with 1 equiv. of carbonyl compounds (II) and (V) to give the metallacyclic products (III) and (VI).
ChemInform Abstract: Complexes of Rhenium and Osmium with o‐Phenylenediamine and o‐Aminobenzenethiol. X‐Ray Crystal Structures of (Re(o‐(HN)2C6H4)3)(ReO4), Re(o‐(HN)2C6H4)3, Re(o‐(HN)2C6H4)2(o‐(HN)NC6H4), K(Re(o‐(HN)2C6H4)(o‐(HN)NC6H4)2), and M(o‐(HN)SC6H4)3 (M: Re or Os).
Authors: DANOPOULOS A. A. , WONG A. C. C. , WILKINSON G. , HURSTHOUSE M. B. , HUSSAIN B.
Published: May 2016

The Re complex (III) (P1, Z=4) can be reduced by Na to give the corresponding neutral Re(VI) species (65% yield) which crystallizes in P212121 with Z=4 and can be reoxidized by AgPF6 to the cation as its PF6 salt.
ChemInform Abstract: Transformation of Carbonyl Groups at Fe3(CO)10(μ3‐PR) into Carbene, Carbyne, and Alkyne Building Blocks.
Authors: BUCHHOLZ D. , HUTTNER G. , ZSOLNAI L.
Published: May 2016

The cluster (I) is transformed into the carbene‐functionalized clusters (IV) ((IVa): space group P21/c, Z=4) and (VI) ((VIa): P212121, Z=4; (VIb) P21/c, Z=4) under conditions of Fischer‐type carbene syntheses.
ChemInform Abstract: Synthesis and Complexation of 1,2‐Bis((monoaza(15)crown‐5)‐N‐yl)glyoxime. Crystal Structure of (1,2‐Bis((monoaza(15)crown‐5)‐N‐yl)glyoximato)palladium(II).
Authors: AHSEN V. , MUSLUOGLU E. , GUEREK A. + , GUEL A. + , BEKAROGLU OE. + , ZEHNDER M.
Published: May 2016

The title ligand (III) is prepared according to the scheme.
ChemInform Abstract: Synthesis of (1R)‐(+)‐cis‐Chrysanthemic Acid.
Authors: YADAV J. S. , MYSOREKAR S. V. , RAO A. V. R.
Published: May 2016

An efficient route to the title compound (VIII) starts with (R,R)‐tartaric acid (I).
ChemInform Abstract: Selective C‐2 Acetylation of Steroidal Aromatic A Rings.
Authors: MIKHAIL G. , DEMUTH M.
Published: May 2016

Treatment of the tricyclic ketone (I) with an excess of acetyl methanesulfonate (II) results in cleavage of the cyclopropane ring, cyclization, and acylation to produce the acetylbisnorestradiol monomesylate (III).
ChemInform Abstract: Compatibility of Thioamides with Reverse Turn Features: Synthesis and Conformational Analysis of Two Model Cyclic Pseudopeptides Containing Thioamides as Backbone Modifications.
Authors: SHERMAN D. B. , SPATOLA A. F.
Published: May 2016

The incorporation of thioamides within the backbone of linear peptides can produce subtle physical changes but has profound effects on biological activities.
ChemInform Abstract: New Enzymatic Approach to the Synthesis of Convenient Aspartic Acid Intermediates in Peptide Chemistry. Synthesis of N‐Benzyloxycarbonyl‐L‐aspartic Acid β‐Allyl Ester.
Authors: XAUS N. , CLAPES P. , BARDAJI E. , TORRES J. L. , JORBA X. , MATA J. , VALENCIA G.
Published: May 2016

The papain‐catalyzed selective hydrolysis of the diester (I) is optimized as shown in the scheme.
ChemInform Abstract: Ring Cleavage of N‐Acyl‐ and N‐(Acylsulfonyl)histamines with Di‐tert‐butyl Dicarbonate. A One‐Pot Synthesis of 4‐Acylamino‐ and 4‐Arylsulfonylamino‐1,2‐diaminobutanes.
Authors: WARSHAWSKY A. , ALTMAN J. , KAHANA N. , ARAD‐YELLIN R. , DESHE A. , HASSON H. , SHOEF N. , GOTTLIEB H.
Published: May 2016

The one‐pot synthesis of the title compounds (VIII) consists in consecutive acylation or sulfonylation of histamine (I), ring cleavage with di‐tert‐butyl dicarbonate (IV), followed by hydrogenation and removal of the Boc groups.
ChemInform Abstract: Preparation, Characterization, and Structure of N‐Methylated Derivatives of 1,3,5‐Triamino‐1,3,5‐trideoxy‐cis‐inositol: Polyalcohols with Unusual Acidity.
Authors: HEGETSCHWEILER K. , ERNI I. , SCHNEIDER W. , SCHMALLE H.
Published: May 2016

The title compound (IV) is prepared by modified literature procedures.
ChemInform Abstract: Some Radical Reactions of Exocyclic Carbohydrate Difluoro Enol Ethers.
Authors: MOTHERWELL W. B. , ROSS B. C. , TOZER M. J.
Published: May 2016

Radicals, generated from the halides (II) or (V) by treatment with tributylstannane/AIBN, undergo addition reaction with the exocyclic difluoromethylene carbohydrates (I) or (IV) to produce the 1,1‐difluoroalkyl derivatives (III) or (VI).
ChemInform Abstract: Boron‐Containing Nucleic Acids: Synthesis of Cyanoborane Adducts of 2′‐Deoxynucleosides.
Authors: SOOD A. , SPIELVOGEL B. F. , SHAW B. R.
Published: May 2016

Four novel boronated nucleosides (III) and (IV) are prepared.
ChemInform Abstract: Syntheses of Enantiomerically Pure 9(S)‐ and 9(R)‐HETE from D‐Mannitol. Use of a Malic Dialdehyde Equivalent.
Authors: SANIERE M. , LE MERRER Y. , BARBE B. , KOSCIELNIAK T. , DEPEZAY J. C.
Published: May 2016

Two methods are used for the synthesis of the esters (S)‐(XI) and (R)‐(XI) of the title compounds.
ChemInform Abstract: (.+‐.)‐Benzoabikoviromycin, a Potential Antiviral Agent Synthesized by the Palladium‐Catalyzed Ring Expansion of 2‐Alkynyl‐2‐hydroxybenzocyclobutenones.
Authors: MITCHELL D. , LIEBESKIND L. S.
Published: May 2016

Since abikoviromycin (XIII), an antiviral and antifungal antibiotic from Streptomyces species, is highly unstable and polymerizes rapidly on isolation even at ‐50 °C, stable analogues for detailed studies are required.
ChemInform Abstract: 2,5‐Diaryl‐1,3,2‐dioxaborinanes: A New Series of Liquid Crystals.
Authors: MATSUBARA H. , SETO K. , TAHARA T. , TAKAHASHI S.
Published: May 2016

The influence of the terminal groups on the mesomorphic properties of title compounds such as (III) is discussed.
ChemInform Abstract: Isoelectronic Analogues of PN: Remarkably Stable Multiply Charged Cations.
Authors: WONG M. W. , RADOM L.
Published: May 2016

Ab initio calculations performed for PN and its 27 isoelectronic analogues indicate that the dication analogues, namely SO2+, NCl2+, PF2+ CAr2+, and SiNe2+ are experimentally observable species.
ChemInform Abstract: The Crystallization Kinetics of Glassy Alloys in the Cu‐As‐Se System
Authors: VAZQUEZ J. , LIGERO R. A. , VILLARES P. , JIMENEZ‐GARAY R.
Published: May 2016

having the compositions CuxAs0.5‐xSe0.5 with x = 0.05, 0.1, and 0.2, are analyzed using DSC with continuous‐heating methods.
ChemInform Abstract: Chromyl Fluoride in Acidic and Basic Hydrogen Fluoride Solutions
Authors: BESIDA J. , O'DONNELL T. A. , ELLER P. G.
Published: May 2016

(anhydrous HF containing either a Lewis acid such as SbF5, AsF5, TaF5 or NH4F) is studied by Raman spectroscopy and conductance measurements.
ChemInform Abstract: Coadsorption of Copper with Anions on Platinum(111): The Role of Surface Redox Chemistry in Determining the Stability of a Metal Monolayer.
Authors: WHITE J. H. , ABRUNA H. D.
Published: May 2016

The underpotential deposition (UPD) of Cu from aqueous H2SO4 solution on flame‐annealed Pt(111) electrodes is studied voltammetrically in the presence of Cl‐, Br‐, I‐, or S2‐.
ChemInform Abstract: A Temperature‐Programmed Reduction Study of Sulfided Co‐Mo/Al2O3 Hydrodesulfurization Catalysts.
Authors: SCHEFFER B. , DEKKER N. J. J. , MANGNUS P. J. , MOULIJN J. A.
Published: May 2016

A comprehensive overview of the reduction behavior of sulfided Co/Al2O3, Mo/Al2O3, and Co‐Mo/Al2O3 hydrodesulfurization (HDS) catalysts is given by interpretation of temp.‐programmed reduction (TPR) studies.
ChemInform Abstract: 29Si and 27Al NMR Study of Zeolite Formation from Alkali‐Leached Kaolinites. Influence of Thermal Preactivation.
Authors: MADANI A. , AZNAR A. , SANZ J. , SERRATOSA J. M.
Published: May 2016

NaOH leaching of kaolinites heated between 400 and 1000 °C results in the dissolution of kaolinite and formation of Al(OH)‐ 4 and SiO44‐ species which participate in the formation of zeolite nuclei.
ChemInform Abstract: The Thermal Dehydration of Zn0.5Ca0.5(H2PO4)2·2 H2O
Authors: TROJAN M. , BRANDOVA D.
Published: May 2016

is studied as shown for Zn0.5Mg0.5(H2PO4)2·2 H2O in the preceding abstract.
ChemInform Abstract: The Weak Base ClO‐ 4 and the Chemistry of the Perchlorato Ligand. Synthesis and Structural Analysis of Germanium(IV) Complexes: GeCl3ClO4 (I), GeCl2(ClO4)2 (II), and (ClO2)2Ge(ClO4)6 (III).
Authors: FOURATI M. , CHAABOUNI M. , PASCAL J. L. , POTIER J.
Published: May 2016

Reaction of Cl2O6 with excess GeCl4 at room temp. yields a colorless liquid from which (I) and (II) can be separated by fractional distillation.
ChemInform Abstract: Synthesis and Structural Characterization of ((MoO)4O4(PO4)2)2‐: A New Layered Oxide Produced by Hydrothermal Synthesis.
Authors: CORCORAN E. W. JUN.
Published: May 2016

(NH4(NPr4))((MoO)4O4(PO4)2) (I) is prepared in 96% yield by hydrothermal treatment of a solution of commercial molybdic acid and Pr4NBr in H3PO4/H2O (200 °C, autoclave, 14 d).
ChemInform Abstract: Electrolytically‐Induced Allene ‐ Alkyne Isomerizations.
Authors: STEMPLE J. Z. , PETERS D. G.
Published: May 2016

The preparative scale electrolysis of the allenes (I) in the presence of diethyl malonate as a proton donor results in the uptake of 2.0‐2.1 electron/molecule of (I).
ChemInform Abstract: Ring Opening Reactions of Deltacyclene Epoxides.
Authors: LAUTENS M. , CRUDDEN C. M.
Published: May 2016

The deltacyclenes (I), prepared by a known procedure, are epoxidized to form the oxiranes (II).
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 259. Highly Stereoselective Allylation of Aldehydes with Pentacoordinate Allylsilicates in Hydroxylic Media. Discrimination Between Linear and α‐Branched Alkanals.
Authors: KIRA M. , SATO K. , SAKURAI H.
Published: May 2016

Allylation of the aldehydes (II) with the silanes (I) and (V) in the presence of hydroxy compounds such as (III) leads to the corresponding homoallyl alcohols in regio‐ and stereospecific manner.
ChemInform Abstract: Facile Transformation of Substituted Allyl Malonates to Monocarboxylic Acids and Esters by the Reaction with Ammonium Formate Catalyzed by Palladium Complexes.
Authors: MANDAI T. , IMAJI M. , TAKADA H. , KAWATA M. , NOKAMI J. , TSUJI J.
Published: May 2016

Diallyl malonates such as (I) are treated with formic acid in the presence of triethylamine and a Pd(II) catalyst to give the monocarboxylic acid (II).
ChemInform Abstract: Non‐Catalyzed Thermal Reactions of Acylquinones with Allylstannanes.
Authors: MARUYAMA K. , MATANO Y.
Published: May 2016

Thermal reactions of acylquinones such as (I) or (VII) with allylstannanes such as (II) in benzene afford several kinds of products, e.g. (III)‐(VI) or (VIII), (IX), (X).
ChemInform Abstract: New Trialkylsilyl Enol Ether Chemistry. Regiospecific and Stereospecific Sequential Electrophilic Addition.
Authors: MAGNUS P. , MUGRAGE B.
Published: May 2016

The reactions of the triisopropylsilyl enol ether (III) with various electrophiles lead to the products (I), (V) and (VII).
ChemInform Abstract: Potassium Fluoride on Alumina: An Easy Preparation of Diazocarbonyl Compounds.
Authors: ALLOUM A. B. , VILLEMIN D.
Published: May 2016

The carbonyl compounds (I), (V), and (VII) with activated α‐methylene groups are converted to the corresponding diazo compounds (III), (VI), and (VIII) upon treatment with tosyl azide (II) in the presence of potassium fluoride on alumina.
ChemInform Abstract: Ketenimine Ylides in Reactions of Ketenimines with Dichlorocarbene. Synthesis of Carbamates.
Authors: KHLEBNIKOV A. F. , NOVIKOV M. S. , KOSTIKOV R. R.
Published: May 2016

Dichlorocarbene, thermally generated from sodium trichloroacetate (II), reacts with the ketenimines (I) to give the unstable ketenimine ylides (III).
ChemInform Abstract: Spirofluorenes. Part 5. Synthesis of Spirofluorenes Containing o‐Phenylene Group in Their System.
Authors: KAJIGAESHI S. , YAMAMOTO M. , WATANABE S. , HIROKAGA Y. , NISHIDA A. , FUJISAKI S.
Published: May 2016

Treatment of the 9‐substituted fluorenes (I), (III), or (V) with bases yields the spirofluorenes (II), (IV), and (VI) containing an o‐phenylene group.
ChemInform Abstract: Ruthenium(II)‐Catalyzed Reactions of 1,4‐Epiperoxides.
Authors: SUZUKI M. , OHTAKE H. , KAMEYA Y. , HAMANAKA N. , NOYORI R.
Published: May 2016

Thermolysis of saturated epiperoxides such as (I) in the presence of Ru(II) catalysts gives product mixtures, e.g. (II) ‐ (V), arising from fragmentation, rearrangement, reduction, and/or disproportionation.
ChemInform Abstract: New General Asymmetric Synthesis of Versatile γ‐Alkylated Butenolides and Its Application to Expeditious Synthesis of the Chiral Geissman‐Waiss Lactones Useful for (+)‐Retronecine Synthesis.
Authors: NAGAO Y. , DAI W.‐M. , OCHIAI M. , SHIRO M.
Published: May 2016

The chiral tin(II) enolate (III) is prepared by treatment of the 1,3‐thiazolidine‐2‐thione (I) with tin(II) trifluoromethanesulfonate (II).
ChemInform Abstract: A Synthesis of Fused Butenolides.
Authors: LARSON G. L. , PRIETO J. A. , GONZALEZ P.
Published: May 2016

The Z‐configurated α‐siloxycycloalkylidenecarboxylates (I) are treated with hydrofluoric acid in acetonitrile/methylene chloride to undergo desilylation and cyclization, forming the fused butenolides (II).
ChemInform Abstract: Regiospecific Functionalization of Dimetalated (1‐Naphthyl)acetylene. Efficient Synthetic Procedures for Naphtho(2,1‐b)chalcophenes.
Authors: HANEKAMP J. C. , KLUSENER P. A. A. , BRANDSMA L.
Published: May 2016

When 1‐ethynylnaphthalene (I) is consecutively treated with n‐butyllithium (II), potassium tert‐butoxide (III), and lithium bromide (IV), the dilithiated compound (V) is generated.
ChemInform Abstract: Nucleophilic Opening of Chiral Bis(aziridines): A Route to Enantiomerically Pure α‐Amino Aldehydes or Acids and Polysubstituted Piperidines.
Authors: DUREAULT A. , TRANCHEPAIN I. , DEPEZAY J.‐C.
Published: May 2016

Reaction of bis(aziridines) such as (I) derived from D‐mannitol with the carbon nucleophiles (II) leads in general to the ring‐opening of both aziridine rings, yielding bis(tosylamino) derivatives such as (III).
ChemInform Abstract: Synthesis and Pharmacological Properties of Amiridin Analogues.
Authors: ZHIDKOVA A. M. , BERLYAND A. S. , KNIZHNIK A. Z. , LAVRETSKAYA E. F. , ROBAKIDZE T. N. , SUKHANOVA S. A. , MUFAZALOVA T. P.
Published: May 2016

The amino heterocyclus (I), the base of the drug amiridin (I·HCl·H2O), is transformed into the derivatives (III), (V), and (IX) as shown in the reaction scheme.
ChemInform Abstract: Regio‐ and Stereoselectivity of the First (3 + 2)Cycloaddition of Carbonyl Oxide to Electron‐Poor Alkenes. Bidirectionality of the 1,3‐Dipole.
Authors: GRAZIANO M. L. , IESCE M. R. , CERMOLA F. , GIORDANO F. , SCARPARTI R.
Published: May 2016

Photooxidation of the furan (I) yields the trioxabicycloheptene (II) which undergoes thermal rearrangement to produce the compounds (III) ‐(VI).
ChemInform Abstract: Reaction of Representative 2‐Acyl‐1,3‐dithianes with Alkylating and Acylating Agents.
Authors: FETIZON M. , GOULAOUIC P. , HANNA I.
Published: May 2016

2‐Cyclohexanecarbonyl‐1,3‐dithiane (I) is deprotonated with LDA and then treated with the alkylation agents (II) to form the 2,2‐disubstituted dithianes (IIIa) ‐ (IIId).
ChemInform Abstract: Condensed Thienopyrimidines. Part 1. Synthesis and Gastric Antisecretory Activity of 2,3‐Dihydro‐5H‐oxazolothienopyrimidin‐5‐one Derivatives.
Authors: SUGIYAMA M. , SAKAMOTO T. , TABATA K. , ENDO K. , ITO K. , KOBAYASHI M. , FUKUMI H.
Published: May 2016

The antisecretory activity of the title compounds (VII), (XI), (XIII), and (XVI), synthesized by base‐induced cyclization of N‐thienyl‐N'‐(2‐haloethyl)ureas, is tested in pylorus‐ligated rats.
ChemInform Abstract: Reaction of Uracils with Trimethyl Phosphates and Sodium Diphenyl Phosphate.
Authors: KUZ'MENKO I. I. , BOBKOV V. N. , ZVOLINSKAYA T. V.
Published: May 2016

Reaction of the uracils (I) with trimethyl phosphate (II) gives the corresponding 1‐methylated derivatives only if R is a electron‐withdrawing substituent.
ChemInform Abstract: Spectral and Chemical Properties of Pyrazino(2,1‐a)isoquinolin‐4‐one Derivatives.
Authors: KIEC‐KONONOWICZ K.
Published: May 2016

The pyrazinoisoquinoline derivative (I) is dehydrogenated upon heating with sulfur to give the unsaturated derivative (II), while other oxidants such as DDQ cause the formation of the pyridazinone (III).
ChemInform Abstract: Tandem (4 + 2)/(3 + 2) Cycloadditions: Facile and Stereoselective Construction of Polycyclic Frameworks.
Authors: DENMARK S. E. , MOON Y.‐C. , SENANAYAKE C. B. W.
Published: May 2016

The nitroalkenes (I), (V) and (VIII) undergo (4 + 2) cycloaddition with the alkenes (II) and (VI) and subsequent intramolecular (3 + 2) cycloaddition to give the polycyclic compounds shown in the scheme.
ChemInform Abstract: Bis(pyridyl)silane and ‐methanol Ligands. Part 3. A New Class of Optically Active Ligands Prepared from Readily Available Chiral 2‐Bromo‐6‐alkoxypyridines and Their Application in Rhodium‐Catalyzed Hydrosilations and Copper(II)‐Catalyzed Cyclopropanations.
Authors: WRIGHT M. E. , SVEJDA S. A. , JIN M.‐J. , PETERSON M. A.
Published: May 2016

The chiral 2‐bromo‐6‐alkoxypyridines (III) undergo facile halogen‐metal exchange with LiBu to afford the 2‐lithio‐6‐alkoxypyridines (V).
ChemInform Abstract: New Methods and Reagents in Organic Synthesis. Part 86. Trimethylsilyldiazomethane: A Useful Reagent for the Preparation of Z‐1‐Trimethylsilyl‐1‐alkenes.
Authors: AOYAMA T. , SHIOIRI T.
Published: May 2016

The Rh(II) pivalate‐catalyzed decomposition of the α‐trimethylsilyldiazoalkanes (I) in boiling benzene leads to the selective formation of the silylalkenes (II).
ChemInform Abstract: Reactions of Chalcogens with Acetylenes. Part 7. Reaction of Metallic Selenium with Acetylene in an Aqueous Alkaline Reducing Medium.
Authors: AMOSOVA S. V. , POTAPOV V. A. , GUSAROVA N. K. , TROFIMOV B. A.
Published: May 2016

Depending on the conditions, the reaction between ethyne (I) and selenium (II) affords a complex mixture of products, whose main components are divinyl selenide (III) and the vinylselenobutenol (IV).
ChemInform Abstract: Syntheses of Several Amphiphilic Cyanine Dyes and Formation of LB Films.
Authors: TANAKA M. , KAWABATA Y. , NAKAMURA T. , TACHIBANA H. , MANDA E. , SEKIGUCHI T.
Published: May 2016

Coupling of the phenol (I) with the α,ω‐dibromoalkanes (II) forms the corresponding ω‐bromoalkyl ethers (III) which react with the benzothiazole (IVa) or the related selenazole (IVb), yielding the N‐substituted products (V).
ChemInform Abstract: Semisynthetic Myxovirescins: Exchange of the α‐Hydroxycarboxylic Acid Segment and Modification of the Ring Size.
Authors: BORGSCHULTE K. , TROWITZSCH‐KIENAST W. , HOEFLE G. +
Published: May 2016

Hydrolysis of the macrocyclic antibiotic myxovirescin A1 (I) and its protected analogue (VII) leads to the products (II) and (VIII).
ChemInform Abstract: A New, Convenient Route to Erbstatin and N‐Acetyl‐1,2‐didehydrodopamine.
Authors: ISHIBASHI H. , TAKAMURO I. , OKANO M. , KENRI T. , IKEDA M.
Published: May 2016

Friedel‐Crafts reaction of the α‐chloro sulfides (II) with hydroquinone dimethyl ether (I) leads to the formation of the thioacetonitriles (III).
ChemInform Abstract: The Crystal Structure of Ga3Cl7.
Authors: FRANK W. , HOENLE W. + , SIMON A.
Published: May 2016

Single crystals of the title compound are grown as outlined in the scheme.
ChemInform Abstract: Electron Paramagnetic Resonance Study of the Effect of Temperature Upon Copper‐Impregnated Titanium Dioxide Powders
Authors: AMORELLI A. , EVANS J. C. , ROWLANDS C. C.
Published: May 2016

(anatase and rutile) is performed for calcination temp. up to 950 °C. The EPR spectra of Cu‐impregnated TiO2 samples calcined at lower temp. show the presence of surface‐bound Cu2+ ions, while at higher calcination temp. (750‐850 °C) migration of surface copper into the bulk occurs.
ChemInform Abstract: Semiconductor Properties of Passive Films on Zn, Zn‐Co, and Zn‐Ni Substrates
Authors: VILCHE J. R. , JUETTNER K. + , LORENZ W. J. , KAUTEK W. , PAATSCH W. , DEAN M. H. , STIMMING U.
Published: May 2016

formed in alkaline aqueous solutions are studied by electrochemical and photoelectrochemical methods.
ChemInform Abstract: XPS Investigation of Silver Chloride Coated Ion‐Selective Electrodes.
Authors: STRYDOM C. A. , VAN STADEN J. F. , STRYDOM H. J.
Published: May 2016

The results of the exposure of AgCl coated Ag electrodes to solutions containing high concentrations of Ag+, Cl‐, Fe3+, and NH3 species, resp. lead to a clearer understanding of the AgCl electrode.
ChemInform Abstract: An Electrochemical Claus Process for Sulfur Recovery.
Authors: PUJARE N. U. , TSAI K. J. , SAMMELLS A. F.
Published: May 2016

The electrochemical oxidation of H2S (produced in large amounts in technical processes such as the coal gasification/liquifaction or heavy oil desulfurization) to yield sulfur and water is achieved at 900 °C using fuel cells that contain a tungsten wire current collector coated with different electrocatalysts in the H2S anode compartment, a Y2O3‐ or CaO‐stabilized zirconia solid electrolyte, and an oxygen reduction electrode consisting of a Pt wire coated with an La0.89Sr0.11MnO3 electrocatalyst.
ChemInform Abstract: Epoxy‐Encapsulated Ceramic Superconductor Microelectrodes.
Authors: GOLLMAR R. O. , MCDEVITT J. T. , MURRAY R. W. , COLLMAN J. P. , YEE G. T. , LITTLE W. A.
Published: May 2016

A method is developed for the fabrication of well‐behaved YBa2Cu3O7 and Bi2Sr2CaCu2O8 microelectrodes that involves encapsulation of the superconducting material in an insulating epoxy matrix and a polishing procedure with potentiometric detection of the conductivity of the microelectrode.
ChemInform Abstract: Hydrogen Diffusion Electrodes as Anodes for the Metal Winning Electrolysis.
Authors: WIESENER K. , SCHNEIDER W. , MOEBIUS A. +
Published: May 2016

It is demonstrated that the standard cell voltage of a zinc winning electrolysis cell can be significantly reduced (from 1.99 V to 0.76 V) by using a hydrogen diffusion anode instead of the Tainton (Pb/1% Ag)/oxygen anode, i.e. a great reduction of the electric energy consumption can be achieved.
ChemInform Abstract: (H2Ru6(CO)16(μ‐C6H4O)): Binding of Five Metal Atoms to a Phenol Molecule.
Authors: BOHLE D. S. , VAHRENKAMP H.
Published: May 2016

The title complex (I), obtained from Ru3(CO)12 and phenol in boiling cyclohexane (yield 40%), crystallizes in C2/c with Z = 8. The three bonding modes of the C6H4O fragment; η6‐coordination of the arene, M‐C‐M three center bonding and μ‐OR coordination are not unusual in Ru and Os complexes, but are found together here for the first time.
ChemInform Abstract: Very High Diastereofacial Selectivity in the Nucleophilic Epoxidation of N‐(p‐Tolylsulfonyl)vinylsulfoximines.
Authors: BAILEY P. L. , CLEGG W. , JACKSON R. F. W. , METH‐COHN O.
Published: May 2016

The nucleophilic epoxidation of the title compounds (II) proceeds with high diastereofacial selectivity under conditions A).
ChemInform Abstract: The Reactions of 2,2,2‐Trichloro‐1‐phenylethanone with O, C, and S Nucleophiles.
Authors: HESS S. C. , NOME F. , ZUCCO C. , REZENDE M. C.
Published: May 2016

Trichloromethyl phenyl ketone (I) is subjected to various nucleophilic substitution reactions.
ChemInform Abstract: Generation of (Trimethylsiloxy)(phenylethynyl)ketene and (Trimethylsiloxy)cyanoketene and Their Reactions with Some Alkynes.
Authors: POLLART D. J. , MOORE H. W.
Published: May 2016

Cycloaddition of 9,10‐dimethoxyanthracene (I) with dichlorovinylene carbonate (II) gives the adduct (III) which forms 9,10‐dihydro‐9,10‐dimethoxy‐9,10‐ethanoanthracene‐11,12‐dione (IV) upon hydrolysis.
ChemInform Abstract: 1,2‐Cycloadditions to cis‐5,6‐Dichlorohexafluorocyclohexa‐1,3‐diene.
Authors: DAILEY W. P. , RALLI P. , WASSERMAN D. , LEMAL D. M.
Published: May 2016

Addition reaction of difluorocarbene, generated by thermolysis of the compounds (II) or (VI), with the title diene (I) produces mainly mixtures of the adducts (III) ‐ (V).
ChemInform Abstract: Enantioselective Telomerization. Part 1. Telomerization of Butadiene with Formaldehyde, β‐Dicarbonyl Compounds, Nitroalkanes, and Enamines.
Authors: KEIM W. , KOEHNES A. , ROETHEL T. , ENDERS D.
Published: May 2016

Enantioselective telomerization reactions, catalyzed by homogeneous Pd catalysts using various chiral bidentate phosphorus ligands and low temp., provide the products (III) + (IV), (VI), or (VIII) from reactions of butadiene (I) with the compounds (II), (V), or (VII).
ChemInform Abstract: Photoinduced Electron‐Transfer Reactions of 1,3,5‐Tricyanobenzene with Olefins.
Authors: OHASHI M. , AOYAGI N. , MIYAMA T. , KYUSHIN S. , YAMADA S.
Published: May 2016

The behavior of 1,3,5‐tricyanobenzene (I) as an electron acceptor is investigated.
ChemInform Abstract: An Improved Reduction of the Ester Moiety in N‐Substituted Pyroglutamates.
Authors: KEUSENKOTHEN P. F. , SMITH M. B.
Published: May 2016

Coupling of ethyl pyroglutamate (I) with the allylic halides (II) gives the N‐substituted γ‐lactams (III).
ChemInform Abstract: Outer‐Sphere and Inner‐Sphere Processes in Organic Chemistry. Reaction of Trifluoromethyl Bromide with Electrochemically Generated Aromatic Anion Radicals and Sulfur Dioxide Anion Radicals.
Authors: ANDRIEUX C. P. , GELIS L. , SAVEANT J.‐M.
Published: May 2016

At first the reduction of CF3Br (I) by anion radicals derived from 9‐fluorenone, 1,4‐diacetyl‐ and 1,4‐dicyanobenzene, 4‐cyanopyridine, and 1‐cyanonaphthalene is examined kinetically.
ChemInform Abstract: Ultrasound‐Promoted Synthesis of α‐Difluoromethylated Carboxylic Acids.
Authors: KITAZUME T. , OHNOGI T. , MIYAUCHI H. , YAMAZAKI T. , WATANABE S.
Published: May 2016

Ultrasound‐promoted hydrogenation and hydrogenolysis of the fluorinated benzyl acrylates (I) produces the title compounds (II).
ChemInform Abstract: Reaction of Lithium Enolates with Carbon Disulfide: Synthesis of O‐(1‐Alkoxy‐2,2‐dialkylvinyl) S‐Alkyl Dithiocarbonates.
Authors: ALI S. M. , TANIMOTO S.
Published: May 2016

Consecutive treatment of the esters (I) with LDA (II), carbon disulfide (IV), and the alkyl halides (VI) leads to the formation of the title compounds (VII).
ChemInform Abstract: Reactions of Benzo Analogues of N‐Phenyl‐1,4‐benzoquinone Monoimine with Thiols.
Authors: TSOI E. , AFANAS'EVA G. B. , CHUPAKHIN O. N. , SIDOROV E. O.
Published: May 2016

The reactivity of the title compound (XV) towards thiols was investigated earlier.
ChemInform Abstract: Isomerically Pure 2,3‐Dialkyl‐3‐alkenoic Acids via Ionization/Elimination of β‐Lactones.
Authors: BLACK T. H. , MALULEKA S. L.
Published: May 2016

Coupling of the ketones (I) with the dianion of propanoic acid (II) gives the β‐hydroxycarboxylic acids (III) which undergo dehydrative ring closure, forming the β‐lactones (IV).
ChemInform Abstract: Topically Active Carbonic Anhydrase Inhibitors. Part 2. Benzo(b)thiophenesulfonamide Derivatives with Ocular Hypotensive Activity.
Authors: GRAHAM S. L. , SHEPARD K. L. , ANDERSON P. S. , BALDWIN J. J. , BEST D. B. , CHRISTY M. E. , FREEDMAN M. B. , GAUTHERON P. , HABECKER C. N. , HOFFMAN J. M. , LYLE P. A. , MICHELSON S. R. , PONTICELLO G. S. , ROBB C. M. , SCHWAM H. , SMITH A. M. , SMITH R. L. , SONDEY J. M. , STROHMAIER K. M. , SUGRUE M. F. , VARGA S. L.
Published: May 2016

Twenty‐eight benzothiophene‐2‐sulfonamides such as (IV), (XII), (XIII), (XV), or (XX) are prepared by different synthetic routes partly outlined in the reaction scheme.
ChemInform Abstract: Regioselectivity Control in Alkylation Reactions of Indolyl Ambident Anion.
Authors: NUNOMOTO S. , KAWAKAMI Y. , YAMASHITA Y. , TAKEUCHI H. , EGUCHI S.
Published: May 2016

The regioselectivity of N‐ and C‐3‐alkylations of indolylmetal salts (I) depends crucially on the nature of the counter metal ion: almost exclusive N‐alkylation (e.g.
ChemInform Abstract: A Synthesis of exo‐Brevicomin. Application of Organoaluminum Reagents to Synthesis.
Authors: BARTELT K. E. , MUNDY B. P.
Published: May 2016

The 2‐acyl‐3,4‐dihydro‐2H‐pyrans (I), (V), and (VIII) are treated with the trialkylaluminum reagents (II) to undergo reductive alkylation and/ or sole reduction, followed by (Lewis) acid‐induced ring closure, producing bicyclic acetals.
ChemInform Abstract: Fluoromalonaldehyde Bis(dialkyl Acetals): Synthesis by Carbene Condensation and Transformation to Dialkyl Fluoromalonates and Fluorinated Heterocyclic Compounds.
Authors: MOLINES H. , WAKSELMAN C.
Published: May 2016

Cyclopropanation of dihydrodioxin (I) with chlorofluorocarbene generated from dichlorofluoromethane (II) under phase‐transfer conditions leads to the formation of the 2,5‐dioxabicyclo(4.1.0)heptane (III) which undergoes acid‐induced reaction with the alcohols (IV) to give mixtures of the 3‐fluoro‐2,4‐dialkoxy‐1,5‐dioxacycloheptanes (VI) and the fluoromalonaldehyde bis(dialkyl acetals) (VII) via the intermediates (V).
ChemInform Abstract: 2,4,6‐Tri‐tert.‐butylphenyl‐Substituted Iminoboranes.
Authors: ELTER G. , NEUHAUS M. , MELLER A. , SCHMIDT‐BAESE D. +
Published: May 2016

Thermal elimination of fluorotrimethylsilane from the boranes (III) results, in the case of (IIIa) and (IIIb), in formation of the expected iminoboranes (IVa) (space group P21/c, Z=4) and (IVb).
ChemInform Abstract: Chemistry of Boron. Part 200. B‐Functional Diboryl‐silyl‐ and Boryl‐silyl‐stannyl‐amines.
Authors: GASPARIS‐EBELING T. , NOETH H. +
Published: May 2016

The stannazane cleavage of the bis(stannyl)silylamine (I) with one equiv. boron halide (II) results in the boryl‐silyl‐stannyl‐amines (III).
ChemInform Abstract: Organoaluminum‐Induced Opening of the Pyranosidic Ring of Benzyl 2‐Deoxy‐2‐C‐methylpentopyranosides.
Authors: INGHARDT T. , FREJD T.
Published: May 2016

Ring opening of the diastereomeric title compounds (I) and (VIII) with the organoaluminum reagents (II), (V), and (IX) proceeds diastereoselectively to yield the tetrol derivatives shown in the reaction scheme.
ChemInform Abstract: Amination of Coordinated Nitriles: Synthesis of Metal Complexes of Amidines and Guanidines.
Authors: FAIRLIE D. P. , JACKSON W. G.
Published: May 2016

NMR spectroscopically studies confirm that the nitrile‐Co(III) complexes (I) react with liq.
ChemInform Abstract: Synthesis, Crystal and Molecular Structure, and Magnetic Properties of Bis(tris(μ‐3,5‐diamino‐1,2,4‐triazole‐N1,N2)tris(thiocyanato‐N)nickel(II))ni# ckel(II) Hexahydrate.
Authors: ANTOLINI L. , FABRETTI A. C. , GATTESCHI D. , GIUSTI A. , SESSOLI R.
Published: May 2016

Using 3,5‐diamino‐1,2,4‐triazole, guanazole, instead of the 3,5‐diethyl analogue as a ligand, the title complex (III) is obtained with three bridging guanazoles between the internal and terminal nickel ions as established by its crystal structure determination (space group R3, Z=1).
ChemInform Abstract: Synthesis of Some New Solvatochromic β(γ)‐Substituted Cyanine Dyes.
Authors: KORAIEM A. I. M.
Published: May 2016

Condensation reaction of the acylpyrazolones (I) and (IV) with the pyridinium or quinolinium salts (II) in the presence of piperidine gives the cyanines (III) or (V).
ChemInform Abstract: Mechanism‐Based Inhibition of Bacterial γ‐Butyrobetaine Hydroxylase.
Authors: ZIERING D. L. , PASCAL R. A. JUN.
Published: May 2016

The acid (I) is a very slow alternate substrate of the hydroxylase; it is oxygenated to (II) at ca. 0.1% of the rate of hydroxylation of the natural substrate (III), but the reaction is extensively uncoupled.
ChemInform Abstract: Oxygen‐Regeneration of Discharged Manganese Dioxide Electrode. Part 1. General Phenomena Observed on Thick Powder Electrodes.
Authors: LLOMPART S. , YU L. T. , MAS J. C. , MENDIBOURE A. , VIGNAUD R.
Published: May 2016

Thick MnO2 electrodes discharged at 0 V vs.
ChemInform Abstract: Oxidation of Selenium(IV) by Periodate. Kinetics and Mechanism.
Authors: SRIDEVI N. , BABU R. R. , VANI P. , DIKSHITULU L. S. A.
Published: May 2016

Kinetic measurements at 60 °C in the pH range of 5‐13 show the rate of oxidation to be maximum at pH 8. The reaction is found to be first order in regard to (IO4‐) and between first and second order in regard to (Se(IV)), depending on (Se(IV)) and pH.
ChemInform Abstract: Wavelength‐Property Correlation in Electrodeposited Ultrastructured Cu‐Ni Multilayers.
Authors: MENEZES S. , ANDERSON D. P.
Published: May 2016

Multilayered foils of 10% Cu‐90% Ni are prepared by alternating electrodeposition from a Ni sulfamate bath containing CuSO4 (synchronous modulation of the electrode rotation speed and the deposition potential).
ChemInform Abstract: Phosphorus‐31 NMR Studies of Several Phosphines in the Solid State.
Authors: PENNER G. H. , WASYLISHEN R. E.
Published: May 2016

31P NMR powder spectra and high‐resolution MAS spectra are obtained for 13 solid phosphines under conditions of high‐power decoupling and cross‐polarization.
ChemInform Abstract: Diastereoselective Aldol Reactions Using β‐Keto Imide Derived Enolates. A Versatile Approach to the Assemblage of Polypropionate Systems.
Authors: EVANS D. A. , CLARK J. S. , METTERNICH R. , NOVACK V. J. , SHEPPARD G. S.
Published: May 2016

Aldol reactions of the β‐ketoimide (I) with the aldehydes (II) in the presence of Sn‐triflate predominantly gives the adducts (III) whereas the diastereomers (IV) are formed nearly exclusively from (I) and (II) in the presence of TiCl4.
ChemInform Abstract: A Practical and General Enantioselective Synthesis of Chiral Propa‐1,2‐dienyl and Propargyl Carbinols.
Authors: COREY E. J. , YU C.‐M. , LEE D.‐H.
Published: May 2016

The synthesis of the title compounds (V), (VIII), (XI) is accomplished as shown in the scheme using the known (R,R)‐bromoborane reagent (I).
ChemInform Abstract: Versatile Regio‐ and Stereospecific Annulation Method. Part 3. Preparation of Substituted Derivatives of cis‐Bicyclo(3.3.0)octanes, cis‐Bicyclo(4.3.0)nonanes and cis‐Bicyclo(4.4.0)decanes.
Authors: GOESSINGER E. + , MUELLER R. + , PITTERNA T.
Published: May 2016

The applicability of a recently developed annulation method is demonstrated by construction of regio‐ and stereospecifically substituted fused ring systems such as (II), (VII) (and, similarly prepared, (VIII)‐(XI)) from the known starting compounds (I), (IV), (XII).
ChemInform Abstract: Photo‐Diels‐Alder‐Additions. Part 5. 1,4‐Photoadditions of α‐Morpholinoacrylonitrile to 1‐Acylnaphthalenes.
Authors: DOEPP D. + , MEMARIAN H. R.
Published: May 2016

The photoexcited acylnaphthalenes (I) undergo (4 + 2) Diels‐Alder reaction with α‐morpholinoacrylonitrile (II) to give the adducts (III) with high regio‐ and stereoselectivities and conversions in the range of 4‐29%.
ChemInform Abstract: Oxidation Potential of Luminol (I). Is the Autoxidation of Singlet Organic Molecules an Outer‐Sphere Electron Transfer?
Authors: MERENYI G. , LIND J. , SHEN X. , ERIKSEN T. E.
Published: May 2016

The one‐electron reduction potential of the LH·/LH‐ couple is determined by pulse radiolysis to be 0.87 ±0.02 V vs NHE.
ChemInform Abstract: The Double Photodissociation of a Geminal Dichloride.
Authors: PLATZ M. S. , LEE W. B.
Published: May 2016

Irradiation of the monoradical (II) by laser light (337 nm) leads to formation of the carbene (III).
ChemInform Abstract: Oxidation of Phenylhydrazine with Sodium Periodate in the Presence of Dienes and Cyclodienes.
Authors: TSUBOI M. , SHIMIZU C.
Published: May 2016

Various cyclic and acyclic dienes are treated with an aqueous solution of phenylhydrazine (II) and sodium periodate.
ChemInform Abstract: A Simple Diastereoselective Synthesis of Cyclohexylnorstatine and Allocyclohexylnorstatine.
Authors: HARADA H. , TSUBAKI A. , KAMIJO T. , IIZUKA K. , KISO Y.
Published: May 2016

N‐Benzoyl(cyclohexyl)alaninal (III), prepared from Boc‐L‐phenylalaninol (I) by hydrogenation, deprotection, benzoylation, and oxidation, reacts with sodium cyanide (IV) in a biphasic system to produce the benzoylamino(cyclohexyl)hydroxybutyronitrile (V).
ChemInform Abstract: An Improved Synthesis of Dihalopyromellitic Acids.
Authors: PORWISIAK J. , DMOWSKI W.
Published: May 2016

Durene (I) is halogenated in the presence of aluminum trichloride or aluminum foil to produce the dichloro (IIa), or dibromo derivative (IIb).
ChemInform Abstract: Auxiliary Structure and Asymmetric Induction in the “Mukaiyama‐Aldol” Reactions of Chiral Silyl Ketene Acetals.
Authors: GENNARI C. , MOLINARI F. , COZZI P. G. , OLIVA A.
Published: May 2016

The chiral silyl ketene acetals (I) are coupled with the aldehydes (II) in the presence of titanium tetrachloride to yield the β‐hydroxy carboxylates (III) favouring the anti‐isomers.
ChemInform Abstract: π‐Facial Diastereoselectivity in Diels‐Alder Reactions of 2,5‐Dimethylthiophene Oxide.
Authors: NAPERSTKOW A. M. , MACAULAY J. B. , NEWLANDS M. J. , FALLIS A. G.
Published: May 2016

2,5‐Dimethylthiophene (I) is treated with peracids to give the S‐oxide (II) mentioned in the title.
ChemInform Abstract: Reaction of N‐Nitraminotetrazole Salts with Glycidol.
Authors: MAYANTS A. I. , ERINA V. V.
Published: May 2016

The salt (I), derived from the aci form of a nitraminotetrazole, is coupled with glycidol (II) to give the dihydroxypropylaminotetrazole (III).
ChemInform Abstract: Pyrido(3,4‐e)‐1,2,4‐triazines and Related Heterocycles as Potential Antifungal Agents.
Authors: REICH M. F. , FABIO P. F. , LEE V. J. , KUCK N. A. , TESTA R. T.
Published: May 2016

4‐Hydroxypyridine (I) is nitrated to give 4‐hydroxy‐3‐nitropyridine (III) which is chlorinated, forming the 4‐chloro derivative (IV).
ChemInform Abstract: Preparation of Alkylisobutylphenylphosphanes According to the Method of Hewertson and Watson.
Authors: WOLFSBERGER W.
Published: May 2016

Isobutyldiphenylphosphane (I) is subjected to aryl alkyl exchange via treatment with sodium in liquid ammonia and subsequent quenching with the primary or secondary alkyl halides (II), forming the title compounds (III).
ChemInform Abstract: Ylide Chemistry. Part 2. Addition Reactions of Triphenylphosphine(carbonyl)methylenes with 1,3‐Dithia‐2,4‐diphosphetane‐2,4‐disulfides.
Authors: YOUSIF N. M.
Published: May 2016

The dithiadiphosphetanes (I) react with the triphenylmethylenephosphoranes (II), forming the thiadiphosphetanes (III).
ChemInform Abstract: Lithium Bis(di‐tert.‐butylfluorosilyl)amide as Contact Ion Pair with Linear Si‐N‐‐Si Unit and as Ion Pair without Li+‐Anion Contact.
Authors: PIEPER U. , WALTER S. , KLINGEBIEL U. , STALKE D.
Published: May 2016

Reaction of (III) with Li followed by recrystallization from THF gives (IV) (C2/c, Z = 8), containing Li and the amide as a contact ion pair.
ChemInform Abstract: Formation of Some 2‐Pyridone Hg/M (M: Mn(II), Fe(III) and Cu(II)) Heterometallic Complexes and Crystal Structure of Hexakis(2‐pyridone)iron(III) Nitrate.
Authors: GOODGAME D. M. L. , WILLIAMS D. J. , WINPENNY R. E. P.
Published: May 2016

The complexes (I)‐(III) are prepared from Hg(II) acetate, 2‐pyridone and the hydrated metal nitrates.
ChemInform Abstract: Regiochemical and Mechanistic Studies of the Addition of Tin Hydride and Oxide to Substituted Ketenes.
Authors: HNEIHEN A. S. , BRUNO J. W. , HUFFMAN J. C.
Published: May 2016

The reactions of aryl‐substituted ketenes (I) and (IV) with Bu3SnH give rise to O‐bound tin enolates.
ChemInform Abstract: Coordination Chemistry of Molybdenum with Novel Thiolate Ligands. The Crystal and Molecular Structures of a Binuclear Complex with a Mo‐Mo Triple Bond (Mo2(SC6H4‐o‐PPh2)3Cl3) and of (Mo(SC6H3‐2‐SiMe3‐6‐P(O)Ph2)2Cl2), a Species Exhibiting (MoO2S2Cl2) Coordination.
Authors: BLOCK E. , KANG H. , OFORIOKAI G. , ZUBIETA J.
Published: May 2016

Complex (I) (C2/c, Z = 8) is the first structurally confirmed example of a binuclear Mo(III) species.
ChemInform Abstract: A Route to Trinuclear Platinum‐Gold Clusters.
Authors: ARSENAULT G. J. , PUDDEPHATT R. J.
Published: May 2016

The addition of electrophilic gold fragments to (I) gives new A‐frame cluster complexes such as (III) and (IX).
ChemInform Abstract: Synthesis of the 4‐Alkylidenebutenolide Carotenoids, Peridinin and Pyrrhoxanthin.
Authors: ITO M. , HIRATA Y. , SHIBATA Y. , TSUKIDA K.
Published: May 2016

A new method for the synthesis of carotenoidal alkylidenebutenolides such as (III) is developed via reaction of the conjugated formyl esters (I) with allylic sulfones such as (II).
ChemInform Abstract: Highly Stereoselective Glycosylation of Sialic Acid Aided by Stereocontrol ling Auxiliaries.
Authors: ITO Y. , OGAWA T.
Published: May 2016

The first complete stereochemical control in sialic acid glycosylation is presented.
ChemInform Abstract: Synthetic Studies on Antitumor Antibiotic, Bleomycin. Part 27. Man‐Designed Bleomycin with Altered Sequence Specificity in DNA Cleavage.
Authors: OTSUKA M. , MASUDA T. , HAUPT A. , OHNO M. , SHIRAKI T. , SUGIURA Y. , MAEDA K.
Published: May 2016

The synthetic approach to the concerted antitumor mechanism of bleomycin is studied by introducing a dynamic change into the O2‐activation moiety and DNA‐binding site.