bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: SET Mechanism in Substitution Reactions with Diorganyl Dichalcogenides.
Authors: BILDSTEIN B. , GISELBRECHT K. , SLADKY F.
Published: May 2016

Whereas methyl‐ or phenyllithium react with the compounds (I) to afford the expected substitution products, (II) reacts instead to the products (IV)‐(VII).
ChemInform Abstract: The Preparation of Metal Sulfides and Organo‐Metal Sulfides from Metal Alkyls and Hydrogen Sulfide.
Authors: BAUCH C. G. , JOHNSON C. E.
Published: May 2016

The room temp. reaction of AlR3 (R: Me, Et, iBu) with H2S in toluene gives air‐sensitive solids which are postulated to be mixtures of Al2S3 and polymeric (RAlS)x. A species of the empirical formula MeGaS is produced from GaMe3 and H2S. The reactions of M(CH2‐SiMe3)n (M: Cd, Hg, n = 2; M: Ti, n = 4) and MgEt2 with H2S are also described.
ChemInform Abstract: Synthesis of Arylthallium Complexes Using Organomercury Compounds. Crystal and Molecular Structures of (NMe4)(Tl(C6H4N=NPh‐2)Cl3) and (Tl(C6H4CH2NMe2‐2)Cl2).
Authors: VICENTE J. , ABAD J. A. , GUTIERREZ‐JUGO J. F. , JONES P. G.
Published: May 2016

The complex (III) crystallizes in P21/n with Z=4 and gives a neutral complex (72% yield) similar to (V) when treated analogously.
ChemInform Abstract: A Reactive Organometallic Oxo Intermediate, Cp*2Zr=O: Generation and Subsequent Trapping Reactions Forming Alkyne and Nitrile Addition Products.
Authors: CARNEY M. J. , WALSH P. J. , HOLLANDER F. J. , BERGMAN R. G.
Published: May 2016

The generation of the title intermediate by thermal decomposition is studied kinetically.
ChemInform Abstract: Metal‐Containing Heterocycles: Preparation, Properties, Reactions. Part 67. Stereochemical Impacts on the Transition of Monomeric Thiophosphinito Manganese Compounds (OC)4Mn(η2‐S‐PR2) to the Dimeric Complexes ((OC)4Mn(μ‐S‐PR2))2.
Authors: LINDNER E. , KAESS V. +
Published: May 2016

The title compounds (III) and (V) are obtained from BrMn(CO)5 (I) and sec. phosphine sulfides (II) and (IV) in dependence on the phosphine substituent.
ChemInform Abstract: Complexes of Technetium, Rhenium, and Rhodium with Sexidentate Schiff‐Base Ligands.
Authors: HUNTER G. , KILCULLEN N.
Published: May 2016

As a part of the investigation of Tc‐complexes with potential application to myocardial imaging, the stable monocationic complexes (I) of this metal and of its heavier congener, i.e. Re, are prepared from the hexachlorometallates and the ligands.
ChemInform Abstract: Syntheses, Characterization and Structural Studies of Copper Complexes of the 1,2‐Dithiolene Ligand, 5,6‐Dihydro‐1,4‐dithiin‐2,3‐dithiolate.
Authors: VANCE C. T. , WELCH J. H. , BEREMAN R. D.
Published: May 2016

The formally Cu(III) complexes (III) (P21/c, Z=4) and (IV) (Pnnm, Z=2) are characterized by X‐ray diffraction studies.
ChemInform Abstract: Synthesis, Structure, and Redox Properties of Dicopper(II,II) Complexes of N‐(2‐Hydroxyphenyl)salicylamide and Homologues. Facile Oxidation to Dicopper‐(II,III) and ‐(III,III) Species; Crystal Structure of Bis(tetrabutylphosphonium) Bis(((2‐oxidobenzoyl)(2′‐oxidophenyl)amido(3‐)‐NO2,μ‐O2′)cuprate(II)).
Authors: KOIKAWA M. , OKAWA H. , MATSUMOTO N. , GOTOH M. , KIDA S. , KOHZUMA T.
Published: May 2016

The binuclear copper(II) complexes (III) are characterized by electronic spectra and magnetic properties.
ChemInform Abstract: Transition Metal Complexes with Sulfur Ligands. Part 47. S2 Bridged Ruthenium Complexes with Sulfur Dominated Coordination Spheres and Highly Unusual Electronic Properties: (μ‐S2(Ru(PPh3)(“S4”))2) and (μ‐S2(Ru(PPh3)(“buS4”))2) (“S4”2‐: 1,2‐Bis(2‐mercaptophenylthio)ethane (2‐); “buS4”2‐: 1,2‐Bis(3,5‐di(tertiarybutyl)‐2‐mercaptophenylthio)ethane (2‐)).
Authors: SELLMANN D. , BARTH I.
Published: May 2016

The title compounds (III) are synthesized by treating the bis(phosphine) monomers (I) or their (PPh3)(N2H4) analogues with elemental sulfur as shown.
ChemInform Abstract: New μ3‐Alkylidyne Heterometal Clusters with Ru(CO)3 and Os(CO)3 Building Blocks.
Authors: SCHACHT H.‐T. , VAHRENKAMP H.
Published: May 2016

The known metal exchange products (I) react with Na2Ru(CO)4 (II) and Na2Os(CO)4 (IV) according to the scheme to give the heterotrinuclear clusters (III) and (V).
ChemInform Abstract: Mechanism and Energetics of Reductive Elimination of Ethane from Some Tetramethylplatinum(IV) Complexes.
Authors: ROY S. , PUDDEPHATT R. J. , SCOTT J. D.
Published: May 2016

The new complexes (III) decompose in the solid state or in solution on thermolysis to give ethane and cis‐PtMe2L2.
ChemInform Abstract: Synthesis of Octyl Ester of p‐Substituted DL‐2‐Phenylglycines.
Authors: SPRUNG W.‐D. , KOBOW M. , SCHULZ E.
Published: May 2016

Esterification of ten phenylglycines such as (I) with n‐octanol (II) produces the corresponding n‐octyl phenylglycinate hydrochlorides (III).
ChemInform Abstract: Structural Studies of Substituted 6,7‐Benzomorphan Compounds. Part 15. Structure and Conformational Analysis of the Opioid Antagonist (‐)‐(1R,5R,9R)‐5,9‐Diethyl‐2‐(3‐furylmethyl)‐2′‐hydroxy‐6,7‐benzomorphan (Mr2266).
Authors: VERLINDE C. L. , BLATON N. M. , PEETERS O. M. , DE RANTER C. J.
Published: May 2016

The two molecules present in the asymmetric unit of the title compound (I) (space group P21 with Z=4) adopt different conformations with respect to the N side chain.
ChemInform Abstract: Structure of 7‐Amino‐2‐chloro(1,3)thiazolo(4,5‐d)pyrimidine, an Adenine Analogue.
Authors: LARSON S. B. , ANDERSON J. D. , COTTAM H. B. , ROBINS R. K.
Published: May 2016

The title compound (I) (space group Pccn with Z=16) forms dimers.
ChemInform Abstract: Syntheses Based on Cyclohexadienes. Part 2. Convenient Synthesis of 6‐Alkylsalicylates, 6‐Alkyl‐2,4‐dihydroxybenzoate, and 2,5‐Dialkylresorcinols.
Authors: KANAKAM C. C. , MANI N. S. , RAMANATHAN H. , RAO G. S. R. S.
Published: May 2016

An efficient one‐pot synthesis of 6‐alkylsalicylates and 6‐alkyl‐2,4‐dihydroxybenzoates such as (IV) is described via cycloaddition of the methoxycyclohexadienes (I) with the substituted propiolic ester (II).
ChemInform Abstract: Synthetic Studies on Cell‐Surface Glycans. Part 65. Highly Stereoselective Synthesis of Ganglioside GD3.
Authors: ITO Y. , NUMATA M. , SUGIMOTO M. , OGAWA T.
Published: May 2016

Gangliosides play a role in cellular recognition, differentiation and oncogenesis.
ChemInform Abstract: The Aldol Condensation Catalyzed by Metal(II) β‐Cyclodextrin Complexes.
Authors: ZHANG Y. , XU W.
Published: May 2016

Coupling of p‐nitrobenzaldehyde (I) with acetone (II) in the presence of metal(II) sulfate/β‐cyclodextrin complexes at a pH about 7 yields predominantly the aldol adduct (III).
ChemInform Abstract: The Effect of the Alkoxy Group and the Structure of the Cycloalkene on (2 + 2) Photocycloaddition to Alkoxy‐Substituted Pentafluorobenzene.
Authors: SKET B. , ZUPAN M.
Published: May 2016

The stereochemical outcome of the photochemical (2 + 2) cycloaddition reactions of the alkoxy‐substituted pentafluorobenzenes (I) with the cycloalkenes (II), (IV), (VI) depends on the structure of the cycloalkene leading a) to the anti adduct (III), b) to the syn adduct (V), or c) to both syn and anti (2 + 2) cycloaddition (→ (VII) + (VIIIa + b)).
ChemInform Abstract: Use of Elemento‐Organic Compounds of the Fifteenth and Sixteenth Groups in Organic Synthesis. Part 75. Reduction of Some Organic Compounds by Tertiary Stibines.
Authors: HUANG Y.‐Z. , CHEN C. , ZHU F. , LIAO Y.
Published: May 2016

Trialkylstibines are shown to reduce nitroarenes such as (I), quinones such as (III) or sulfonyl chlorides such as (V) under mild conditions.
ChemInform Abstract: Photoreductive Defluorination of Perfluorinated Esters. Synthesis of Alkyl 2‐Hydro‐perfluoro Esters.
Authors: PORTELLA C. , IZNADEN M.
Published: May 2016

Photoinduced electron transfer from the excited phosphortriamide (HMPA) to the esters (I) leads to the selective reduction of the CF2 group adjacent to the ester group.
ChemInform Abstract: Metal‐Mediated Decarbonylation and Dehydration of Ketose Sugars.
Authors: ANDREWS M. A.
Published: May 2016

Ketose sugars can be decarbonylated and/or dehydrated by the action of certain metal complexes (cf.
ChemInform Abstract: Aromatic Carbonylation Regiocontrolled by Oxazole and Isoxazole Rings. Novel Route to Heterocycle‐Substituted o‐Benzoates.
Authors: SAKAKIBARA T. , KUME T. , OHYABU T. , HASE T.
Published: May 2016

The oxazole (I) and the isoxazole (VIII) react with palladium acetate (II) to form the complexes (III) and (IX) which are coupled with methanol (IVa) and CO (V), producing regioselectively the benzoates (VIa) and (X) as the main products.
ChemInform Abstract: Preparation and Facile Cyclization of 5‐Alkyn‐1‐yllithiums.
Authors: BAILEY W. F. , OVASKA T. V. , LEIPERT T. K.
Published: May 2016

The ω‐iodoalkynes (I) are treated with tert‐butyllithium (II) to give the ω‐lithiated compounds (III).
ChemInform Abstract: Lewis Acid‐Mediated Intramolecular Ene Reactions of Alkylidenemalonates and 2‐Phosphonoacrylates: A Highly Diastereoselective Approach to trans‐1,2‐Disubstituted Five‐Membered Ring Compounds.
Authors: SARKAR T. K. , RAO P. S. V. S.
Published: May 2016

The 1,6‐dienecarboxylates (Ia), (Ib), or the phosphonates (Ic) and (Id) undergo cyclization and valence isomerization upon treatment with zinc dibromide to yield the trans‐1,2‐disubstituted cyclopentanes (II).
ChemInform Abstract: Chiral Organosilicon Compounds in Synthesis. Highly Enantioselective Synthesis of Arylcarbinols.
Authors: CHAN T. H. , PELLON P.
Published: May 2016

The chiral organosilicon compound (III) (yield not given) is used for the enantioselective synthesis of the arylcarbinols (VIII).
ChemInform Abstract: Derivatives of N‐(2‐Chloroethoxymethyl)anilides as Plant‐Growth Regulating Agents.
Authors: VENKOV A. , LUKANOV L. , MINKOV M.
Published: May 2016

The azomethines (I) react with the acyl chlorides (II), forming the adducts (III) which are treated with the epoxides (IV) to give the title compounds (V).
ChemInform Abstract: New General Synthesis of Sulfones from Alkyl or Aryl Halides and p‐Toluenesulfonic Hydrazide.
Authors: BALLINI R. , MARCANTONI E. , PETRINI M.
Published: May 2016

The utilization of commercially available tosylhydrazide (I) as a new nucleophilic reagent in displacement reactions with suitable halides such as (II) provides a general synthesis of sulfones such as (III) (13 examples).
ChemInform Abstract: Regio‐ and Stereoselective Functionalizations of the Wieland‐Miescher Ketone Derivatives at the C‐8 Position.
Authors: SHIMIZU T. , HIRANUMA S. , YOSHIOKA H.
Published: May 2016

The Wieland‐Miescher ketone acetal (I) is transformed into the thioether (IV) upon consecutive reaction with formaldehyde (II) and thiophenol (III).
ChemInform Abstract: Antiinflammatory Agents. Part 10. Synthesis and Antiinflammatory Activity of Some New 4‐(5‐Formyl(acyl)‐2‐furanoxy)phenylalkanoic Acid Esters.
Authors: SARMA C. R. , KRISHNA R. R. , SHRIDHAR D. R. , RAO C. S. , TANEJA V.
Published: May 2016

The compounds (III) with the exception of (IIId) (R2: ‐H) reveal moderate to fair antiinflammatory effects.
ChemInform Abstract: A Convenient Preparation of 2‐Carboxy‐ and 2‐Alkoxycarbonyl‐γ‐butyrolactones from Cyclopropane‐1,1‐dicarboxylic Acid.
Authors: RAO V. S.
Published: May 2016

When cyclopropane‐1,1‐dicarboxylic acid (I) is treated with triethylamine (II), the diammonium salt (III) is formed.
ChemInform Abstract: Diels‐Alder Reactions of Pyrano(3,4‐b)indol‐3‐ones with Olefinic Compounds: Synthesis of 1,2‐Dihydrocarbazoles.
Authors: VAN DOREN P. , VANDERZANDE D. , TOPPET S. , HOORNAERT G.
Published: May 2016

The Diels‐Alder reaction of the title indole derivatives, e.g. (I) and (XII), yields 1,2‐dihydrocarbazoles.
ChemInform Abstract: Benzologous Reissert Compound Formation from 2‐Methylindazole.
Authors: UFF B. C. , HO Y.‐P. , POPP F. D.
Published: May 2016

2‐Methylindazole (I) is treated with trimethylsilyl cyanide (II) and benzoyl chloride (IIIa) or the chloroformates (IIIb) and (IIIc) to produce the acyldihydroindazolecarbonitriles (IV).
ChemInform Abstract: A New Route to N‐Alkyl‐o‐phenylenediamines Utilizing N‐Alkyl‐2,1,3‐benzothiadiazolium Salts and Their Selenium Analogues.
Authors: RALPH J. T.
Published: May 2016

The N‐alkylbenzothiadiazolium salts (I) are cleaved upon treatment with water or aqueous sodium hydroxide, producing the N‐alkylated o‐phenylenediamines (II).
ChemInform Abstract: Synthesis of Isoxazolines and Isoxazoles from Aldoximes by the Use of Sodium Bromite with Organotin Halide.
Authors: MORIYA O. , NAKAMURA H. , KAGEYAMA T. , URATA Y.
Published: May 2016

Anthracene‐9‐aldoxime (I) reacts with sodium bromite in the presence of tributyltin chloride to form the nitrile oxide (II) which undergoes 1,3‐dipolar cycloaddition reaction with methyl acrylate (III) to form the isoxazoline (IV) also obtained by an analogous one‐step procedure.
ChemInform Abstract: Synthesis of Some 1,2,4‐Triazolo(3,4‐b)(1,3,4)thiadiazoles as Potential Anthelmintics.
Authors: EL‐KHAWASS S. M. , KHALIL M. A. , HAZZAA A. A. B. , BASSIOUNY H. A. , LOUTFY N. F.
Published: May 2016

The title compounds (VIII), (IX), and (XI) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Stereoselective Syntheses of S‐Phenyl Tetrahydrofuran‐2‐thiocarboxylate and Tetrahydropyran‐2‐thiocarboxylate Derivatives Using (Phenylthio)nitromethane.
Authors: BARRETT A. G. M. , FLYGARE J. A. , SPILLING C. D.
Published: May 2016

The aldehydes (I) are coupled with the nitromethane (II) and subsequently dehydrated to yield the nitromethylene derivatives (III).
ChemInform Abstract: Novel Synthesis of Polyfunctionally‐Substituted Pyridines and Pyrimidines.
Authors: ELGHANDOUR A. H. H. , RAMIZ M. M. M. , ELNAGDI M. H.
Published: May 2016

Benzoylacetonitrile (I) is transformed into the imidate (III) which is used as a building block in the formation of the pyridine (V) from the alkylidenemalononitriles (IV), of the pyrimidines (VII) via reaction with the acyl isothiocyanates (VI), and of the thiazoline (IX) from mercaptoacetic acid (VIII).
ChemInform Abstract: Synthesis of Tricyclic Compounds with Thiopyridone Rings.
Authors: HASSAN K. M. , EL‐NAGGAR G. M. , EL‐KHAWAGA A. M. , EL‐DEAN A. M. K.
Published: May 2016

The fused thiopyranthione (III), prepared from the cyanoacetate (I) and carbon disulfide (II), is coupled with hydrazine (IV) to produce the thiopyridone (V).
ChemInform Abstract: Linear and Proximal Benzo‐Separated Alkylated Xanthines as Adenosine‐Receptor Antagonists.
Authors: SCHNELLER S. W. , IBAY A. C. , CHRIST W. J. , BRUNS R. F.
Published: May 2016

Dialkylation of the 7‐chloro‐6‐nitroquinazolinedione (I) with ethyl iodide (II) gives the derivative (III) which is treated with ammonia (IV) and subjected to catalytic hydrogenation, forming the diamine (VI).
ChemInform Abstract: Practical Syntheses of Optically Pure 1‐ and 3‐Substituted Dihydroorotic Acids.
Authors: SUZUKI M. , MAEDA H. , KONDO K. , SUGANO H. , MATSUMOTO K.
Published: May 2016

The dihydroorotic acid (S)‐(I) is converted to the benzyl ester (S)‐(III) which is alkylated with the halides (IV) to give the 3‐substituted dihydroorotic acids (V) after deprotection.
ChemInform Abstract: Chloroplatinic Acid Catalyzed Cyclization of Silanes Bearing Pendant Acetylenic Groups.
Authors: STEINMETZ M. G. , UDAYAKUMAR B. S.
Published: May 2016

The intramolecular title reaction of the disilanes (I) under high dilution conditions proceeds via syn addition of the Si‐H group to the C‐C triple bond to give, predominantly, cyclic products, having an exocyclic rather than an endocyclic double bond.
ChemInform Abstract: Reaction of Boron Halides with Trialkylstannyltrialkylsilylacetic Acid Esters.
Authors: NIKOLAEVA S. N. , ZOLOTAREVA A. S. , PONOMAREV S. V. , GRISHIN YU. K.
Published: May 2016

The title compounds (III), prepared from the methoxystannane (I) and the ketenes (II), are coupled with the diaminobromoborane (IV) to give the ketene acetals (V).
ChemInform Abstract: Antiviral Activity of N‐Phosphorylated Amides, Thioamides, and Their Salts.
Authors: ZABIROV N. G. , POZDEEV O. K. , SHAMSEVALEEV F. M. , CHERKASOV R. A. , GIL'MANOVA G. KH.
Published: May 2016

Reaction of thioacetamide (I) with the chlorothiophosphate (II) gives the N‐thiophosphorylthioacetamide (III).
ChemInform Abstract: Facile Stereoselective Synthesis of 2H‐1,2,3‐Diazaphosphole Spirophosphorane Derivatives.
Authors: BACCOLINI G. , DALPOZZO R. , MEZZINA E.
Published: May 2016

The phenylazostilbene (IV) reacts with the dichlorophosphine (V), forming the cyclic adduct (VI).
ChemInform Abstract: Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 92. Synthesis of Alkynylmethylidyne‐Molybdenum and ‐Tungsten Complexes and Their Reactions with (Co2(CO)8) and (Mo2(CO)6(η‐C5H5)2).
Authors: HART I. J. , HILL A. F. , STONE F. G. A.
Published: May 2016

The mononuclear metal‐alkylidyne compounds (V) are prepared as demonstrated for the examples (Va) and (Vb).
ChemInform Abstract: Chemistry of Polyfunctional Molecules. Part 105. Chromium‐, Molybdenum‐ and Tungstentricarbonyl Complexes of Bis(2‐diphenylphosphinoethyl)amine.
Authors: ELLERMANN J. , MOLL M. , WILL N.
Published: May 2016

The fac‐complexes (I) react with (II) to give the title compounds fac‐(III) together with the mer‐isomer (IV) in the case of (IIIa).
ChemInform Abstract: Dithiazolium Salts of Halometalates. Synthesis and Structure of 3‐Diethylamino‐5‐phenyl‐1,2,4‐dithiazolium‐tetrachloroniccolate(II).
Authors: KOEHLER R. + , SIELER J. , RICHTER R. , HOYER E. , BEYER L. , MAARTMANN‐MOE K.
Published: May 2016

Chlorination of the coordinated thiourea derivative in (I) yields the title compound (II) (C2/c, Z=4), which can be reduced to give (III).
ChemInform Abstract: Synthesis of 8‐Demethyl‐8‐formyl Protoporphyrin IX and of 8‐Demethyl Protoporphyrin IX.
Authors: SAMBROTTA L. , REZZANO I. , BULDAIN G. , FRYDMAN B.
Published: May 2016

Oxidative cyclization of the a,c‐biladiene dihydrobromide (I), which is constructed by a usual method, leads to the 8‐unsubstituted porphyrin (IVa) and its formyl derivative (IVb).
ChemInform Abstract: Bioactive Polysaccharides from Plants
Authors: SRIVASTAVA R. , KULSHRESHTHA D. K.
Published: May 2016

Review: (190 refs.
ChemInform Abstract: Structure and Properties of Long‐Wavelength‐Transmitting Halide Glasses.
Authors: ALMEIDA R. M. , SANTOS L. F.
Published: May 2016

A series of ZnX2‐based (X: Cl, Br, I) glasses containing KCl and/or KBr and/or KI as modifiers are prepared and characterized by DSC, FTIR and polarized Raman spectroscopy.
ChemInform Abstract: Doping of Pb Ions into Bi‐Sr‐Ca‐Cu‐O Thin Films from PbO Vapor.
Authors: NAGATA H. , HASHIGUCHI S. , MIN E.
Published: May 2016

It is demonstrated that a thin film with zero resistivity at 103 K can be prepared by annealing a Bi‐Sr‐Ca‐Cu‐O film (multilayered film with total composition of Bi2.4Sr2.0Ca1.8Cu2.8Ox) in PbO vapor.
ChemInform Abstract: Solid Solution in the LiAlO2‐LiCrO2 Ternary Oxide System.
Authors: POEPPELMEIER K. R. , THONG S. H.
Published: May 2016

Solid solutions of LiAlxCr1‐xO2 are synthesized over the whole composition range (0 ≤ x ≤ 1.0) by reaction of Li2CO3, boehmite (Al(OOH)), and Cr2O3 at ∼600 °C (2‐5 d) and subsequent heating at 700‐1000 °C. The Al‐rich phases (x > 0.6) are obtained for the first time.
ChemInform Abstract: Behavior of Cyclopropanes Bearing Captodative Substitution Upon Electron‐Impact and Flash Vacuum Pyrolysis Conditions.
Authors: CHEN L.‐Z. , FLAMMANG R. , MAQUESTIAU A. , MASAMBA W. , MERENYI R. , POMMELET J.‐C. , VIEHE H.‐G.
Published: May 2016

The behavior of the cyclopropanes (I) is observed by tandem mass spectrometry.
ChemInform Abstract: A Chiral Ag(I) Coordination Polymer with a Polydentate Chiral Ligand; Crystal Structure of the 1:1 Complex of CF3SO3Ag and N‐(N‐(5‐Methylthenylidene)‐L‐methionyl)histamine.
Authors: MODDER J. F. , VAN KOTEN G. , VRIEZE K. , SPEK A. L.
Published: May 2016

A better understanding of the structure of the Cu‐N2S2 chromophores in blue copper proteins may emerge from the title complex obtained in the reaction with a potential N,N',S,S' donor system.
ChemInform Abstract: Asymmetric Synthesis of Tertiary Alcohols from α‐Halo Boronic Esters.
Authors: MATTESON D. S. , HURST G. D.
Published: May 2016

Reaction of pinanediol boronates such as (I) with the Li species (II), generated in situ at ‐78 °C, followed by rearrangement of the resulting borate complexes, e.g. (III), in the presence of ZnCl2 leads to chirally biased insertion of the dichloroethyl group into the carbon‐boron bond (e.g.
ChemInform Abstract: Chiral Sulfur Compounds. Part 10. Conjugate Addition of Amines to (Rs)‐10‐Isobornyl Vinyl Sulfoxides.
Authors: PYNE S. G. , BLOEM P. , GRIFFITH R.
Published: May 2016

The optically active sulfoxides (I) are prepared by stereoselective MCPBA oxidation of the corresponding sulfides and subjected to conjugate addition with benzylamine (II).
ChemInform Abstract: Thermally Generated Benzanellated Trimethylenemethane Biradicals of the 2‐Methylenecyclohexene‐1,3‐diyl Series Escape Capture by a New Rearrangement to Benzanellated Bicyclo(3.2.0)hept‐1‐enes.
Authors: OSTERMAN V. M. , SCHULTE G. , BERSON J. A.
Published: May 2016

The thermal rearrangement of the benzanellated compounds (I) and (VII) is studied in an attempt to stabilize the intermediate trimethylenemethanes of type (VIII) and to avoid otherwise running rearrangements of these diyls preventing their intermolecular interception.
ChemInform Abstract: Vinyl Radical Rearrangements. ESR Evidence for the Formation of Enol Radical Cations by the Protonation at Carbon of β‐Hydroxyvinyl Radicals and for a 1,4‐Hydrogen Shift in Some β‐Sulfur‐Substituted Analogues.
Authors: GILBERT B. C. , WHITWOOD A. C.
Published: May 2016

Radicals are generated by the reaction of ·OH (from Ti(III) + H2O2) and some hydroxyalkyl‐substituted alkynes, e.g. (I).
ChemInform Abstract: Stereo‐ and Enantioselectivity in Catalytic Hydrogenolysis of Chiral Substituted Ferrocenes to Give Cyclopentanes.
Authors: SOKOLOV V. I. , TROITSKAYA L. L. , KHRUSHCHEVA N. S. , REUTOV O. A.
Published: May 2016

The catalytic hydrogenolysis of 1,2‐disubstituted ferrocenes such as (I) or (IV) proceeds under mild conditions in TFA to give stereoselectively the trans‐cyclopentanes (II), (VI) and (VII) as main products.
ChemInform Abstract: Nickel(0)‐Catalyzed Dimerization of 1,2,3‐Cycloheptatriene: Cyclobuta(1,2:3,4)dicycloheptatetraene, a (4)Radialene Derivative.
Authors: HASHMI S. , POLBORN K. , SZEIMIES G.
Published: May 2016

An optimum yield of the air‐sensitive title compound (III) (space group P21/c; Z=2) is obtained under the conditions shown.
ChemInform Abstract: Stereoselective Synthesis of Ethyl 2E,4E‐Alkadienoates from Ethyl Sulfolane‐2‐carboxylate.
Authors: SAIGO K. , KUDO K. , HASHIMOTO Y. , KIHARA N. , HASEGAWA M.
Published: May 2016

Twofold deprotonation of ethyl sulfolane‐2‐carboxylate (I) and consecutive treatment with the alkyl halides (II) and the phenylsulfenyl derivatives (III) yields the 2,2,5‐trisubstituted sulfolanes (IV).
ChemInform Abstract: The Addition Reaction of Acetals (Aldehydes) to Simple Olefins by the Use of a New Catalyst System.
Authors: MUKAIYAMA T. , WARIISHI K. , FURUYA M. , KOBAYASHI S.
Published: May 2016

The acetals (I) are coupled with the terminal olefins (II) in the presence of excess lithium perchlorate and catalytic amounts of chlorotrimethylsilane and stannous chloride, yielding the homoallylic ethers (III) as the main products.
ChemInform Abstract: Spiroepoxyketones. Part 3. Reaction of Epoxides of 2‐Arylmethylene‐1,3‐indandiones with Cyclic Olefins.
Authors: KRYSIN M. YU. , ANOKHINA I. K. , ZALUKAEV L. P. , ZYK N. V. , BOGANOV A. M.
Published: May 2016

Thermal decomposition of the title epoxides (I) generates the 1,3‐dipolar carbonyl ylides (II), which undergo stereospecific 1,3‐dipolar cycloaddition with electrophilic and nucleophilic cyclic alkenes such as norbornene (III), cyclohexene (VI), norbornadiene (VII), the tricyclodecadiene (IX) or benzobarrelene (XI) to give the corresponding adducts in mostly fair yields.
ChemInform Abstract: Absolutely Diastereoselective Asymmetric Michael Addition of the Camphorimine of tert‐Butyl Aminoacetate with 2‐Alkylidenemalonates.
Authors: KANEMASA S. , TATSUKAWA A. , WADA E. , TSUGE O.
Published: May 2016

The norbornylidenaminoacetates (I) are lithiated and then coupled with the unsaturated esters (II) to give the Michael adducts (III).
ChemInform Abstract: Reactions with Aziridines. Part 52. Branched Chain Tryptamine Compounds from Indolyllithium and Activated Aziridines.
Authors: ONISTSCHENKO A. , STAMM H.
Published: May 2016

Tryptamine compounds (III)‐(V) are synthesized under mild conditions, using activated aziridines.
ChemInform Abstract: Reaction of 2‐Benzoyl and 2‐Nitroethene 1,1‐dithiolates with Dimethyl Acetylenedicarboxylate.
Authors: DROZD V. N. , KOMAROVA E. N. , DMITRIEV L. B.
Published: May 2016

According to earlier reports the reaction between 1,1‐ethenedithiols with two electron‐accepting substituents in position C(2) and activated alkynes such as e.g. dimethyl acetylenedicarboxylate (II) affords 2‐alkylidene‐1,3‐dithiolanes.
ChemInform Abstract: Synthesis of 3H‐1,2,4‐Thiadiazolo(3,4‐b)benzothiazoles.
Authors: POTTS K. T. , KANE J. M.
Published: May 2016

The reaction between 2‐aminobenzothiazole (I) and trichloromethanesulfenyl chloride (II), which is run according to a literature procedure, affords the product (III).
ChemInform Abstract: Reaction of Isothiocyanates with Active Methylene Reagent: A New Approach for the Synthesis of Pyrazole, Pyrimidine, and Pyrazolo(1,5‐a)pyrimidine Derivatives.
Authors: IBRAHIM N. S.
Published: May 2016

3‐Iminobutyronitrile (III) is cyclized with ethoxycarbonyl isocyanate (II) to form the mercaptopyrimidinone (I).
ChemInform Abstract: Rearrangement of 1,3‐Thiazolidine Sulfoxides.
Authors: MAH H. D. , LEE W. S.
Published: May 2016

Both the isomeric oxidation products (V) and (VI) from the readily available thiazoline (IV) undergo ring expansion in the presence of acid to give the dihydrothiazine (VII).
ChemInform Abstract: Synthesis of 5,6‐Dihydro‐4H‐imidazo(1,5‐a)(4,1)benzoxazepin‐6‐ones and Their Transformation into 5,6‐Dihydro‐4H‐imidazo(1,5‐a)(1,4)benzodiazepin‐6‐ones.
Authors: ASHWOOD M. S. , GOURLAY J. A. , HOUGHTON P. G. , NAGEL M. A. , WRIGHT S. H. B.
Published: May 2016

The novel title compounds (VI), prepared from benzoxazepindiones by 1,3‐dipolar cycloadditions, are convenient starting materials for the synthesis of the title compounds (IX) following a new method.
ChemInform Abstract: (1,2‐Benzenediolato(2‐)‐O,O′)oxotitanium. A Mild and Efficient Catalyst for the Michael Reaction of Ketene Silyl Acetals with α,β‐Unsaturated Ketones.
Authors: MUKAIYAMA T. , HARA R.
Published: May 2016

Coupling of the enones (I) with the ketene silyl O,O‐ and O,S‐acetals (II) is catalyzed by the titanium oxide mentioned in the title in methylene chloride to produce the γ,δ‐unsaturated 5‐siloxycarboxylates (III).
ChemInform Abstract: Aziridine‐Trimethylsilyl Bromide‐Ph4SbBr System as a Novel Selective Reagent for the Synthesis of Silyl Enol Ethers from Cyclic Ketones.
Authors: FUJIWARA M. , BABA A. , MATSUDA H.
Published: May 2016

The ketones (I) are treated with trimethylsilyl bromide (II) in the presence of tetraphenylstibonium bromide.
ChemInform Abstract: Synthesis and Structure of a 1H‐Diphosphirene.
Authors: NIECKE E. , STREUBEL R. , NIEGER M. , STALKE D.
Published: May 2016

The first 1H‐diphosphirene, compound (III) (space group P212121, Z=4) is obtained according to the scheme.
ChemInform Abstract: Tellurium Tetrachloride: Addition to Cyclohexene and Preparation from Tellurium Dioxide and Trimethylchlorosilane.
Authors: FUKUZAWA S. , IRGOLIC K. J. , O'BRIEN D. H.
Published: May 2016

The compounds (IIIa) or (IIIb) (or analogously, acetyl chloride) are found to serve as a convenient source of halogens for the conversion of TeO2 (II) to a Te(IV) halide.
ChemInform Abstract: Synthesis, Characterization, and Molecular Structures of a Series of ((3,5‐Dimethylpyrazolyl)borato)vanadium(III) and ‐(IV) Complexes.
Authors: KIME‐HUNT E. , SPARTALIAN K. , DERUSHA M. , NUNN C. M. , CARRANO C. J.
Published: May 2016

Reaction of VCl3 (I) with the tris(pyrazolyl)borate (II) yields a series of V(III) and V(IV) complexes such as (IV), (V) (space group P21/c, Z=4), (VI) ( P21/n, Z=4; yield 30%), and (VII) (P21/c, Z=4) depending on the reaction conditions.
ChemInform Abstract: Synthesis of a Bimetallic Chromium Complex Containing the Novel Pentaoxapentaphosphorinane (RPO)5 Ring.
Authors: BANSE C. M. , PRAY M. A. , TURNBULL M. M.
Published: May 2016

The novel ring is generated during the reaction.
ChemInform Abstract: Synthesis of Rhenium‐Alkene Complexes from the Reaction of the Heterobimetallic Dihydride C5H5(CO)2HRe‐PtH(PPh3)2 with Alkynes.
Authors: CASEY C. P. , RUTTER E. W. JUN.
Published: May 2016

The heterobimetallic dihydride (I) catalyzes the hydrogenation of ethene to ethane.
ChemInform Abstract: Ni0‐Induced CC‐Coupling of Fluorine‐Substituted Alkenes with Phenylisocyanate.
Authors: HOBERG H. , GUHL D.
Published: May 2016

The fluorine‐substituted alkenes (I) undergo highly regioselective 1:1 CC‐coupling with phenylisocyanate (II) on Ni0 systems to form the azanickelacyclopentanones (V).
ChemInform Abstract: Derivatives of the Type Os4(μ‐H)(CO)14(ER3) (E: Si, Ge, Sn; R: Me, Ph). Structure of Os4(μ‐H)(CO)14(SnMe3).
Authors: LU C.‐Y. , EINSTEIN F. W. B. , JOHNSTON V. J. , POMEROY R. K.
Published: May 2016

Eight examples of the air‐stable title derivatives are prepared as demonstrated for (III) (space group P1, Z=2).
ChemInform Abstract: Isoxazole Way of Formation of a Polyfunctional Side Chain of Steroids.
Authors: AKHREM A. A. , KHRIPACH V. A. , LAKHVICH F. A. , ZAVADSKAYA M. I. , DRACHENOVA O. A. , ZORINA I. A.
Published: May 2016

A novel access to a polyfunctional steroidal side chain is presented.
ChemInform Abstract: Sucrose‐Derived Dialdehydes: The Course of the Periodate Oxidation as Studied by HPLC.
Authors: DE WIT D. , VAN RANTWIJK F. , MAAT L. , KIEBOOM A. P. G.
Published: May 2016

A fast and reliable methodology for studying the course of the oxidation of sucrose (I) is developed to determine the composition of the product mixture as a function of the amount of NaIO4 added.
ChemInform Abstract: Prostanoids. Part 28. Synthons for Spirocyclopropane Analogues of Carbacyclin.
Authors: TOLSTIKOV G. A. , KHALILOV L. M. , NAZIMOVA N. V. , KOLCHIN O. A. , VASIL'EVA E. V. , AKHMETVALEEV R. R. , VALEEV F. A. , MIFTAKHOV M. S. , PANASENKO A. A.
Published: May 2016

The spiroheptadiene (I) and dichloroketene, generated in situ from dichloroacetyl chloride (II), undergo (2 + 2) cycloaddition to yield the isomeric bicyclo(3.2.0)heptenespirocyclopropanes (III)‐(VI).
ChemInform Abstract: New Synthesis of (+)‐ and (‐)‐Nojirimycin from myo‐Inositol.
Authors: CHIDA N. , FURUNO Y. , OGAWA S.
Published: May 2016

The hemiacetal lactone (I) is cleaved and reduced to give the protected L‐idose dimethyl acetal (III) which is transformed into the protected amino sugar derivative (X).
ChemInform Abstract: Synthetic Studies of Attractants (Sex Attractants) of Insects. Part 14. Stereoselective Synthesis of the Four Isomers of 6,11‐Hexadecadiene‐1‐ol, Their Acetates and Aldehydes, Components of the Sex Pheromones of Insects of the Family Saturniidae (Lepidoptera).
Authors: RASTEGAEVA V. M. , KOVALEV B. G. , KURTS A. L. , BUNDEL' YU. G.
Published: May 2016

The key step in the synthesis of the title compounds (VIII), (X) and (XI) is the stereoselective Wittig reaction, which affords the isomeric products (VIIa)‐(VIId).
ChemInform Abstract: Mushroom Tyrosinase Catalyzed Synthesis of Coumestans, Benzofuran Derivatives and Related Heterocyclic Compounds.
Authors: PANDEY G. , MURALIKRISHNA C. , BHALERAO U. T.
Published: May 2016

Enzymatic oxidation of catechol (II) generates o‐quinone in situ which reacts with the different cyclic 1,3‐diones (enol form) (I) etc. (see scheme) to give anellated furans in nearly quant.
ChemInform Abstract: In situ Polysilane‐Derived Silicon Carbide Particulates Dispersed in Silicon Nitride Composite.
Authors: RIEDEL R. , STRECKER K. , PETZOW G.
Published: May 2016

The in situ introduction of SiC via pyrolysis of a polymeric precursor is found to yield dense (∼97% of theoretical density) Si3N4‐SiC composites with a very homogeneous distribution of the β‐SiC phase and reduced grain growth of the Si3N4 particles.
ChemInform Abstract: Effect of Cation Substitution of the TaTe2 Distortion.
Authors: LEE S. , NAGASUNDARAM N.
Published: May 2016

Phases of composition TaxM1‐xTe2 (M: Ti, Zr, Hf, V, Nb) are prepared from stoichiometric mixtures of the elements by heating slowly to 1070 °C. The effect of the disorder introduced by cation substitution on the monoclinic TaTe2 distortion of the hexagonal closest CdI2 structure type is studied.
ChemInform Abstract: Heptabromodigermanates(II) A3Ge2Br7 (A: Rb, NH4). Syntheses, Characterization, and Crystal Structures.
Authors: THIELE G. , ROTTER H. W. , SCHMIDT K. D.
Published: May 2016

The title compounds precipitate upon cooling of hot, aqueous solutions of ABr (A: Rb, NH4), GeBr2, and HBr.
ChemInform Abstract: Structural Vibrations of Acid‐Leached Mordenites. Determination of Structural Aluminum by Wavenumber and Intensity Analysis.
Authors: GOOVAERTS F. , VANSANT E. F. , DE HULSTERS P. , GELAN J.
Published: May 2016

It is demonstrated that the structural aluminum content of acid‐leached mordenites can be determined by IR spectroscopy.
ChemInform Abstract: Chirality in Pyridoxal.
Authors: VAN GENDEREN M. H. P. , VAN LIER P. M. , BUCK H. M.
Published: May 2016

The ring closure in the title compound and its iminium derivatives (I) results in a configurational chirality.
ChemInform Abstract: Manganese(III)‐Based Oxidative Free‐Radical Annulations.
Authors: SNIDER B. B. , BUCKMAN B. O.
Published: May 2016

The oxidative annulation of unsaturated β‐ketoesters and malonates with alkenes is found to provide a short route to methylene‐ and vinylcyclopentanes and to tetralins.
ChemInform Abstract: Nucleophile‐Assisted Cleavage of Silane Cation Radicals.
Authors: DINNOCENZO J. P. , FARID S. , GOODMAN J. L. , GOULD I. R. , TODD W. P. , MATTES S. L.
Published: May 2016

Kinetic investigations of the cleavage of the cation radicals generated photolytically from benzyltrialkylsilanes such as (I) show that the cleavage is most consistent with a mechanism involving nucleophilic participation by the solvent.
ChemInform Abstract: A Practical Catalytic Procedure for Oxidation of Alcohols into Aldehydes or Ketones with RuCl3/Water and Ca(OCl)2 or NaIO4.
Authors: GENET J. P. , PONS D. , JUGE S.
Published: May 2016

The primary or secondary alcohols (I) are treated with calcium hypochlorite in the presence of ruthenium trichloride and water to form the corresponding carbonyl compounds (IIa) ‐ (IIc) and (IIe).
ChemInform Abstract: A Simple Preparation of Dialkylsulfinyl and Dialkylsulfonyl Sulfides.
Authors: ANKLAM E.
Published: May 2016

The chloroalkyl sulfides (I) are oxidized with sodium metaperiodate or potassium peroxomonosulfate to form either the sulfoxides (II) or the sulfones (III).
ChemInform Abstract: Synthesis of N,N,N‐Triethyl‐2‐(4‐(2‐phenylethenyl)phenoxy)ethanammonium Iodide.
Authors: AL‐HASSAN M. I.
Published: May 2016

Phenylacetylene (I) is lithiated, transmetallated with zinc chloride, and then coupled with the p‐bromophenyl ether (II) to yield the substituted diphenylacetylene (III).
ChemInform Abstract: Intramolecular Asymmetric Tandem Additions to Chiral Naphthyloxazolines.
Authors: MEYERS A. I. , LICINI G.
Published: May 2016

The 2‐(α‐naphthyl)oxazoline (Ia) is coupled with 1‐chloro‐4‐iodobutane (II) to give the intermediate lithium salt (III) which is either quenched at lower temperatures to give the chlorobutylated derivative (IV) or is cyclized at room temperature, forming the cis‐fused hexahydrophenanthryloxazoline (V), a precursor of the compounds (VI).
ChemInform Abstract: Stereoselective Synthesis of cis‐ and trans‐3‐Dibenzylamino‐β‐lactams.
Authors: GUANTI G. , BANFI L. , NARISANO E.
Published: May 2016

In connection with the synthesis of non‐classical β‐lactam antibiotics, novel synthetic pathways for the preparation of the β‐lactam nucleus are of interest.
ChemInform Abstract: Potentially CNS‐Active Tricyclic Compounds Containing a Bridged Central Ring. Part 2. 9,10‐Epoxy‐9,10‐dihydroanthracenes with Dialkylamino Side Chain.
Authors: LINDE H. F. G. , CRAMER G.
Published: May 2016

Diels‐Alder reaction of the 2‐furancarboxamides (I) with benzyne (II), generated in situ from 1‐bromo‐2‐chlorobenzene and butyllithium, followed by hydrogenation of the adducts (III) gives the products (IV) which are pyrolyzed to yield the benzo(c)furans (V).
ChemInform Abstract: N‐Acylcatecholamines and 3,4‐Dihydro‐6,7‐isoquinolinediols from N‐Acyl‐3,4‐dimethoxyphenethylamines.
Authors: NIEDERSTEIN Y. , PETER M. G.
Published: May 2016

BBr3 treatment of the dimethoxyphenethylamines (I) leads to the demethylated open‐chain products (II) and to the dihydroisoquinolines (III).
ChemInform Abstract: Synthesis of Terminally Substituted 9‐Alkylidene‐10‐methyl Acridans.
Authors: VARVERI F. S. , NIKOKAVOURAS J. , MANTAKA‐MARKETOU A. E. , MICHA‐SCRETTAS M.
Published: May 2016

The desired 1‐bromoundecalylideneacridine derivative (IV) is a strong fluorescent and exhibits chemiluminescent activity.
ChemInform Abstract: α,β‐Unsaturated Nitriles in Heterocyclic Synthesis: Synthesis of Several Arylpyridine and Arylpyridazine Derivatives.
Authors: ELGEMEIE G. H. , ELFAHHAM H. A. , IBRAHIEM Y. R. , ELNAGDI M. H.
Published: May 2016

Starting with the α,β‐unsaturated nitriles (I), several heterocycles are synthesized.
ChemInform Abstract: Synthesis and N‐Alkylation of 6‐Benzyloxypurine Under Phase‐Transfer Conditions.
Authors: RAMZAEVA N. , GOLDBERG Y. , ALKSNIS E. , LIDAKS M.
Published: May 2016

6‐Chloro‐9H‐purine (I) is benzyloxylated using phase‐transfer catalysis to give the title compound (III).
ChemInform Abstract: Studies on Amino Azoles: Synthesis of 3‐Methylaminopyrazole Derivatives.
Authors: RAMIZ M. M. M. , ELGHANDOUR A. H. H. , IBRAHIM M. K. A. , MANSOUR O. A. E.‐R.
Published: May 2016

Reaction of the nitrile (I) with the hydrazine derivative (II) gives the 5‐amino‐3‐methylpyrazole (III).
ChemInform Abstract: Beckmann Fragmentation versus Beckmann Rearrangement in Dehydronorcamphor Derivatives.
Authors: VERHAEGHE D. G. , WEBER G. S. , PAPPALARDO P. A.
Published: May 2016

The oxime (IV), prepared from the α‐chloronorbornenecarbonitriles (I), is thermolyzed in the presence of boron trifluoride etherate to generate the intermediate cyclopentadienylacetonitrile (V).
ChemInform Abstract: 1,5‐Dihydro‐3H‐2,4‐benzodioxepin as a Novel Carbonyl Protecting Group.
Authors: MACHINAGA N. , KIBAYASHI C.
Published: May 2016

1,2‐Di(hydroxymethyl)benzene (I) forms acetals with the carbonyl compounds (II), yielding the dihydrobenzodioxepins (III).
ChemInform Abstract: A Novel Synthesis of 3‐Amino‐1,2‐benzisoxazoles ‐ An Entry into the Isoxazolo(3,4,5‐ef)(1,4)benzoxazepine Ring System.
Authors: SHUTSKE G. M. , KAPPLES K. J.
Published: May 2016

The benzisoxazole (III) is prepared using a novel synthetic route.
ChemInform Abstract: New Mo‐Fe‐S Clusters via Oxidative Decarbonylation Reactions: The (MoFe5S6(CO)6L3)n‐ (L: PEt3, n = 0; L: I, n = 2) Capped Cubanes.
Authors: BOSE K. S. , CHMIELEWSKI S. A. , ELDREDGE P. A. , SINN E. , AVERILL B. A.
Published: May 2016

The reaction sequence shown in the scheme yields the new title clusters.
ChemInform Abstract: Reactions of α‐Phenyl‐ and α‐Ferrocenylcarbinols with Diiron Nonacarbonyl.
Authors: BANKSTON D.
Published: May 2016

Fe2(CO)9 oxidizes a series of α‐phenylcarbinols such as (I) to their corresponding aldehydes and ketones (II).
ChemInform Abstract: Bis‐Insertion Reactions of Ru(CO)HCl(PPh3)3 with Methyl Propiolate. The Unexpected Formation of (Methoxycarbonylethenyl)triphenylphosphonium Chloride.
Authors: CASTANO A. M. , ECHAVARREN A. M. , LOPEZ J. , SANTOS A.
Published: May 2016

The title reaction gives the two bis‐insertion derivatives (IIIa) and (IIIb) resulting from a head‐to‐head dimerization reaction.
ChemInform Abstract: Epoxytetrahydroedulan, a New Terpenoid from the Hairpencils of Euploea (Lep.: Danainae) Butterflies.
Authors: FRANCKE W. , SCHULZ S. , SINNWELL V. , KOENIG W. A. + , ROISIN Y.
Published: May 2016

The main component among the volatiles from hairpencils of male danaid butterflies of the genus Euploea is found to be the title compound (VII), which is synthesized in its enantiomerically enriched form with 19% e.e.
ChemInform Abstract: The Oxidative Macrocyclization of Phenolic Peptides. A Biomimetic Approach to the Synthesis of the Vancomycin Family of Antibiotics.
Authors: EVANS D. A. , ELLMAN J. A. , DEVRIES K. M.
Published: May 2016

Using the optimized conditions A), B) or C) for oxidative macrocyclization, the cyclic products (III), (V) and (VII) can be prepared in good yields.
ChemInform Abstract: Gloeosporone ‐ A Macrolide Fungal Germination Self‐Inhibitor. Total Synthesis and Activity.
Authors: SEEBACH D. , ADAM G. , ZIBUCK R. , SIMON W. , ROUILLY M. , MEYER W. L. , HINTON J. F. , PRIVETT T. A. , TEMPLETON G. E. , HEINY D. K. , GISI U. , BINDER H.
Published: May 2016

Starting with the (S)‐ or (R)‐configurated epoxy dithiane (I) both enantiomers (+)‐(XII) and (‐)‐(XII) of the title compound are prepared in 11 steps with an overall yield of 4.2%.
ChemInform Abstract: UV, IR, 71Ga and 17O NMR Spectroscopic Studies of the 12‐Molybdogallate Heteropolyanion
Authors: TSYGANOK L. P. , VISHNIKIN A. B. , MAKSIMOVSKAYA R. I.
Published: May 2016

confirm that the (GaMo12O40)5‐ anion has a Keggin‐type structure with a tetrahedral oxygen environment of the gallium atoms.
ChemInform Abstract: Thermal Decomposition of Ammonium Copper(II) cyclo‐Hexaphosphate Cu2(NH4)2P6O18·8.5 H2O (I) and Ammonium Calcium cyclo‐Hexaphosphate Ca2(NH4)2P6O18·7 H2O
Authors: TAKENAKA A. , KOBAYASHI H. , TSUCHIE K. , MOTOOKA I. , NARIAI H.
Published: May 2016

(II) is studied by DTA, TG, flow‐injection HPLC, and XRD.
ChemInform Abstract: Oxazepines and Thiazepines. Part 20. CD‐Spectra of Optically Active 2‐Phenyl‐2,3‐dihydro‐1,5‐benzothiazepin‐4(5H)‐ones and Related 3‐Phenylthio‐3‐phenyl‐propionic Acid Derivatives, and X‐Ray Diffraction of One Phenylethylamide.
Authors: CIECHANOWICZ‐RUTKOWSKA M. , GROCHOWSKI J. , LEVAI A. , PUZICHA G. , SERDA P. , SNATZKE G.
Published: May 2016

The absolute configuration of the phenylethylamide (I) is determined by X‐ray structure analysis (space group P21, Z=4).
ChemInform Abstract: Carbanion‐Accelerated Claisen Rearrangements. Part 6. Preparative and Stereochemical Studies with Sulfonyl‐Stabilized Anions.
Authors: DENMARK S. E. , HARMATA M. A. , WHITE K. S.
Published: May 2016

The aliphatic Claisen rearrangement is markedly accelerated by an arylsulfonylmethide substituent at position 2. The generality of this anion variant is extensively examined for a variety of 31 allyl vinyl ethers such as (I), (III) or (V).
ChemInform Abstract: Oxidation of Cyclic Dipeptide Radicals in Aqueous Solution: The Rapid Hydration of the Intermediate 1,6‐Dihydropyrazine‐2,5‐diones (Cyclic Dehydrodipeptides). A Pulse‐Radiolysis Study.
Authors: MIEDEN O. J. , VON SONNTAG C.
Published: May 2016

Radicals (II) are generated radiolytically from glycine and alanine anhydrides (Ia) and (Ib), resp. and oxidized to give (III) which add H2O to give (IV) (kinetics at neutral, acidic, and basic conditions; proton and base catalysis).
ChemInform Abstract: Structural Fluxionality in the Tricyclo(3.3.1.02,8)nona‐3,6‐dienyl and Bicyclo(3.2.2)nona‐2,6,8‐trienyl Radicals.
Authors: WALTON J. C.
Published: May 2016

Radicals (II) derived from (I), and related radicals from analogous compounds, e.g. (V) and (VI), rearrange by β‐scission to (III) extremely rapidly; the latter radicals have hfs's similar to those of allyl radicals.
ChemInform Abstract: UV and 15N NMR Integrated Study of the Protonation of Aminoazoles.
Authors: GARRONE A. , FRUTTERO R. , TIRONI C. , GASCO A.
Published: May 2016

The site of first protonation in (II) is the exocyclic nitrogen, while the pyridine‐like endocyclic nitrogen is first protonated in (Ia) and (III).
ChemInform Abstract: Some Further Novel Transformations of Geminal (Pyridine‐2‐thiyl) Phenyl Sulfones.
Authors: BARTON D. H. R. , BOIVIN J. , SARMA J. , DA SILVA E. , ZARD S. Z.
Published: May 2016

The activated N‐acyloxypyridinethiones (III), prepared from the acids (II) and the N‐hydroxy compound (I), react with phenyl vinyl sulfone (IV) under irradiation to form the 1‐(pyridylthio)alkyl sulfones (V) which are desulfurized with disodium telluride, yielding the sulfones (VI).
ChemInform Abstract: Nitrosation of 1‐Alkylisoquinolines and Their N‐Oxides and Configurational Assignments of Their Oximes.
Authors: TAGAWA Y. , ARAKAWA H. , GOTO Y.
Published: May 2016

Treatment of 1‐methylisoquinoline (I) with isopropyl nitrite (II) results in nitrosation, producing a mixture of the E‐ (III) and Z‐oxime (IV).
ChemInform Abstract: Silicon‐Directed Decarbonylation of Trans Trimethylsilyl Formyl Octalins.
Authors: FURTH P. S. , HWU J. R.
Published: May 2016

The silicon‐directed decarbonylation of the trans‐trimethylsilyl aldehydes (I) proceeds in the presence of 1,2‐ethanediol (II) and BF3 to give the products (III)‐(V) with great preference for the isomers (III).
ChemInform Abstract: A Michael Alternative to Cyclopentene Annulations.
Authors: HUDLICKY T. , MAXWELL M. H. JUN.
Published: May 2016

The sulfonyloctadienone (VI), prepared from the dienoic acid (I) as shown in the reaction scheme, is subjected to base‐induced cyclization in various refluxing solvents to produce mixtures of the isomeric 3‐alkenyl‐2‐sulfonylcyclopentanones (VII) and (VIII).
ChemInform Abstract: N‐(Arylsulfonylmethyl)benzimidoyl Chlorides, Accessible Reagents for Heterocyclizations.
Authors: CHERVONYI V. A. , ZYABREV V. S. , KHARCHENKO A. V. , DRACH B. S.
Published: May 2016

Treatment of the N‐(arylsulfonylmethyl)benzamides (I) with PCl5 affords the title compounds (II), which are suitable starting materials for heterocyclizations.
ChemInform Abstract: Synthesis and Reactivity of 3‐Stannyl‐ and 3‐Silylsubstituted Azetidin‐2‐ones.
Authors: SCHMID B. , KELLNER K.
Published: May 2016

Reaction of the azetidinone (I) with Me3SiCl (II) yields the monosilylated product (III), which is inert against chloro compounds of the fourth and fifth main group of elements.
ChemInform Abstract: Chemistry of 2‐Methylene‐2,3‐dihydrofuran‐3‐ones. Part 2. 2‐Alkoxycarbonylmethylene‐5‐aryl‐4‐halo‐2,3‐dihydrofuran‐3‐ones. Synthesis, Structure, and Properties.
Authors: KOZ'MINYKH V. O. , KOZ'MINYKH E. N. , ANDREICHIKOV YU. S.
Published: May 2016

The dihydrofurandiones (I) undergo Wittig reaction with the phosphorane (II) to give the 2‐methylenedihydrofuranones (III) of which (IIIb) ‐(IIId) are coupled with the anilines (IV), producing the pyrrolines (V).
ChemInform Abstract: Synthesis of New N‐Substituted 2‐Pyrrolidinones via Homogeneous Catalytic Reactions Catalyzed by Pt and Rh Complexes.
Authors: KOLLAR L. , HEIL B. , SANDOR P.
Published: May 2016

Hydroformylation of the vinylpyrrolidinone (I) leads either to the dimerization product (IV) in the presence of Pt complexes or to the hydroformylation products (V) and (VI) in the presence of Rh complexes.
ChemInform Abstract: Intramolecular (3 + 2)Cycloaddition versus 1,4‐Hydrogen Shift in Indolium N‐Methylides.
Authors: FISHWICK C. W. G. , JONES A. D. , MITCHELL M. B.
Published: May 2016

The 3‐alkenyl‐1‐(trimethylsilyl)indolium salts (I) react with CsF, yielding the N‐methylides (II).
ChemInform Abstract: A Novel Synthetic Route to 2‐Aryl‐2H‐benzotriazole 1‐Oxides.
Authors: NICLAS H.‐J. , GOEHRMANN B. +
Published: May 2016

The formanilides (I) are deprotonated with sodium hydride (II) or potassium hydroxide to generate the sodium (III) or potassium salts which are heated with benzofuroxan (IV), producing the 2‐arylbenzotriazole 1‐oxides (V).
ChemInform Abstract: 2‐Benzopyrylium Salts. Part 38. A New Variant of the Cannizzaro Reaction.
Authors: VERIN S. V. , KUZNETSOV E. V.
Published: May 2016

Alkaline treatment of the keto aldehydes (II), prepared from the benzopyrylium salts (I), and subsequent recrystallization gives the dihydrocoumarins (IV).