bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Oxidative Isomerization of cis,cis‐Dicarbonylmanganese(I) Derivatives: Isolation of the Resulting trans‐Dicarbonylmanganese(II) Complexes and the X‐Ray Structure of cis,cis‐(MnBr(CO)2(P(OPh)3)(Ph2PCH2PPh2)).
Authors: CONNELLY N. G. , HASSARD K. A. , DUNNE B. J. , ORPEN A. G. , RAVEN S. J. , CARRIEDO G. A. , RIERA V.
Published: May 2016

The Mn(I) complexes (I), their NCS analogue, cis,cis‐(MnL(CO)2(P(OPh)3)(Ph2CH2PPh2))+ (L: Py, NCMe, CNMe, P(OPh)3), cis,cis‐(Mn(CO)2LL'(Ph2PCH2CH2PPh))+ (L: P(OPh)3, L': Py, NCMe; L = L': P(OEt)3), and cis‐(Mn(CO)2(Ph2PCH2PPh2)2)+ undergo oxidative isomerization at a Pt electrode in CH2Cl2 to the trans‐Mn(II) analogues which are also formed directly by the reversible one‐electron oxidation of the analogous trans‐Mn(I) complexes.
ChemInform Abstract: Electrochemical Reduction of Rhenium(V) Dithiocarbamate Complexes trans‐Re2O3(S2CNR2)4 in Nonaqueous Media.
Authors: ICHIMURA A. , KAJINO T. , KITAGAWA T.
Published: May 2016

The title complexes (I) undergo a reversible reduction involving one electron at a Pt electrode to give the corresponding monoanions, which decompose with the cleavage of the μ‐oxo bridge.
ChemInform Abstract: Cyclodextrin Sandwiched Fe4S4 Cluster.
Authors: KURODA Y. , SASAKI Y. , SHIROIWA Y. , TABUSHI I.
Published: May 2016

The biphenyldisulfonyl‐capped β‐cyclodextrin (I) is converted into the target cluster (V) via the dimercaptan (III) by the ligand exchange reaction according to the scheme.
ChemInform Abstract: Nitrosyl Complexes of Cobalt with Hybrid Bidentate Ligands Containing Phosphorus and Sulfur Donor Atoms.
Authors: DEL ZOTTO A. , RIGO P.
Published: May 2016

NO (II) reacts with the Co(II) complexes (I) to yield the diamagnetic, five‐coordinate mononitrosyl complexes (III) with trigonal‐bipyramidal geometry and linear Co‐NO linkage.
ChemInform Abstract: Synthesis of Lignans Related to the Podophyllotoxin Series.
Authors: PELTER A. , WARD R. S. , PRITCHARD M. C. , KAY I. T.
Published: May 2016

The butyrolactone (II), readily prepared by tandem conjugate addition to but‐2‐enolide, undergoes cyclization with TFA to give retrochinensin (I) whereas the aryltetralin lactone (III) is obtained after desulfurization of (II) and successive cyclization.
ChemInform Abstract: A Short Versatile Synthesis of Aryltetralin Lignans Including Deoxyisopodophyllotoxin and Epiisopodophyllotoxin.
Authors: PELTER A. , WARD R. S. , PRITCHARD M. C. , KAY I. T.
Published: May 2016

The tandem conjugate addition product (IV) from the components (I) + (II) + (III) cyclizes to the "normal" lactones (Va) + (Vb) by treatment with TFA whereas the "retro" lactone (VI) is obtained when (IV) is treated with Me3O+BF4‐.
ChemInform Abstract: Chiral Synthesis of 3‐((R)‐1‐Hydroxyethyl)‐4‐oxoazetidin‐2‐yl Acetate Using an Asymmetric 1,3‐Dipolar Cycloaddition Reaction.
Authors: KAMETANI T. , CHU S.‐D. , HONDA T.
Published: May 2016

The silylated title compound (VIII), a key intermediate for the preparation of penem and carbapenem antibiotics, is synthesized in an optically active form starting from the (‐)‐menthyl ester (I).
ChemInform Abstract: Crystal Structure of Ba(VO3)2·H2O.
Authors: AVTAMONOVA N. V. , TRUNOV V. K. , ZHURAVLEV V. D.
Published: May 2016

The structure of the title compound is determined for the first time.
ChemInform Abstract: Isotopic Identification of Surface Site Transfer on Ni/Al2O3 Catalysts.
Authors: GLUGLA P. G. , BAILEY K. M. , FALCONER J. L.
Published: May 2016

Isotopic labeling clearly shows that two distinct sites for CO adsorption are present on the surface of the Ni/Al2O3 catalyst.
ChemInform Abstract: Synthesis and Properties of Cesium Metaarsenatovanadate.
Authors: GOLOVKIN B. G. , SLEPUKHIN V. K. , VOLKOV V. L.
Published: May 2016

The novel title compound, Cs3(AsO3)(VO3)2, is prepared by solid‐phase reaction of a stoichiometric mixture of Cs3AsO4 and V2O5 at 550 °C. The compound crystallizes rhombic with Z = 9. On irradiation (λ = 337 nm) it displays a strong green‐yellow luminescence (λmax = 485 nm).
ChemInform Abstract: NMR Studies of Costa‐Type Organocobalt Compounds. Structural Characterization of Several 1,5,6‐Trimethylbenzimidazole Complexes.
Authors: PARKER W. O. JUN. , ZANGRANDO E. , BRESCIANI‐PAHOR N. , MARZILLI P. A. , RANDACCIO L. , MARZILLI L. G.
Published: May 2016

1H and 13C NMR spectral data have been collected and interpreted for several series of Costa‐type organocobalt vitamin B12 model compounds (I) and compared with data available for corresponding cobaloximes.
ChemInform Abstract: Selective Autoxidation of Electron‐Rich Substrates Under Elevated Oxygen Pressures.
Authors: CORREA P. E. , HARDY G. , RILEY D. P.
Published: May 2016

Tertiary amines, e.g. (I) and (III), and dialkyl thioethers such as (Vb) and (Vd) are converted into the corresponding oxides upon treatment with oxygen under high pressure in polar solvents.
ChemInform Abstract: Highly Selective Photoinduced Dimerization of Alkyl Pyruvates Catalyzed by Cobaloxime.
Authors: KIJIMA M. , MIYAMORI K. , SATO T.
Published: May 2016

The alkyl pyruvates (I) dimerize upon irradiation with a tungsten lamp in the presence of catalytic amounts of benzyl(pyridine)cobaloxime to yield the 2‐oxopentanedioates (II).
ChemInform Abstract: Asymmetric Electrophilic Substitution on Phenols. Part 2. Enantio‐ and Diastereoselective Synthesis of o‐Hydroxyatrolactic Esters.
Authors: CASIRAGHI G. , BIGI F. , CASNATI G. , SARTORI G. , SONCINI P. , GASPARRI FAVA G. , FERRARI BELICCHI M.
Published: May 2016

Coupling of the phenols (I) with the pyruvic acid esters (II) or (IV) is performed in the presence of menthol‐based aluminum or titanium alkoxides as chiral inductors, yielding the o‐hydroxyatrolactic esters (III) and (V).
ChemInform Abstract: An Efficient Synthesis of 4,4‐Dimethyl‐5‐methylene‐γ‐butyrolactone.
Authors: JOSHI G. S. , DESHMUKH A. R. A. S. , KULKARNI G. H.
Published: May 2016

The pentenoate (I) cyclizes upon treatment with phenylsulfenyl chloride (II), forming the phenylthiomethyl‐γ‐lactone (III).
ChemInform Abstract: Reaction of C‐p‐Tolyl‐N‐phenylnitrilimine with Ethyl N‐Benzoyl‐1,4‐benzoxazine‐2‐carboxylate. Synthesis of 1‐Phenyl‐3‐p‐tolyl‐4‐o‐methoxyphenylamino‐pyrazole.
Authors: HLIMI F. , KERBAL A. , LAUDE B. , VEBREL J.
Published: May 2016

The nitrilimine (II) reacts with the oxazine (I) to yield the cycloadduct (III) and its ring‐opened tautomers (IV) and (V).
ChemInform Abstract: Transformation of Dihydro‐1,5‐benzodiazepin‐2‐ones with Acetic Anhydride.
Authors: PUODZHYUNAITE B. A. , YANCHENE R. A. , TERENT'EV P. B.
Published: May 2016

Reaction of the dihydrobenzodiazepinone (I) with acetic anhydride (II) gives the cleavage product (III).
ChemInform Abstract: Thermal Cycloelimination of Bis(dialkylamino)propanes to Amidines and Cycloalkenes.
Authors: VILSMAIER E. , KRISTEN G. , TETZLAFF C.
Published: May 2016

Flash vacuum pyrolysis of the 7‐diaminobicyclo(4.1.0)heptanes (I) results in the formation of the amidines (II) and cyclohexene (III).
ChemInform Abstract: Dehalogenation of Bis(diisopropylamino‐chloroboryl)methane: Solvent‐Dependent Formation of a 1,2,4,5‐Tetraborinane and of a 1‐Aza‐2,4‐diborolidine Derivative.
Authors: FISCH H. , PRITZKOW H. , SIEBERT W.
Published: May 2016

Dehalogenation of the title compound (Ia) with sodium/potassium alloy in refluxing benzene results in the formation of the tetraborinane (IIa); the analogue (IIb) is obtained by dechlorination in THF at low temperature.
ChemInform Abstract: Synthesis, Molecular Symmetry, and Chemical Reactivity of C‐Aryl Substituted Phosphoraziridines.
Authors: PERLMAN M. E. , BARDOS T. J.
Published: May 2016

(R)‐(‐)‐2‐Phenylaziridine (III) reacts with the dichlorophosphorus compounds (II) or phosphorus oxychloride (IV) to yield the (R,R) derivatives (I) or the (R,R,R) compounds (V).
ChemInform Abstract: Synthesis and Properties of Crown Ether‐Modified Phosphines and Their Use as Ligands in Transition Metal Catalysts.
Authors: OKANO T. , IWAHARA M. , KONISHI H. , KIJI J.
Published: May 2016

The dibenzo crown ethers (I) are treated with the dioxane bromine complex to form the monobrominated derivatives (II).
ChemInform Abstract: Organic Metal Complexes. Part 19. Structure of the Compounds from Mercury(II) and Substituted β‐Diketones.
Authors: KOENIG K. + , WEISS W. , MUSSO H.
Published: May 2016

The 2:1 molar reaction of the 3‐substituted acetylacetones (I) with the Hg(II) compound (II) results in the formation of the mononuclear 2:1 compounds (III) and the polymeric 1:1 complexes (IV) depending on the substituent R. Also with enolized 1,8‐decalinedione (V) the corresponding polymeric 1:1 compound (VI) is obtained.
ChemInform Abstract: Organic Metal Complexes. Part 20. Structures of Mercury(II) Derivatives of Nitrogen and Sulfur Analogues of 2,2,6,6‐Tetramethyl‐3,5‐heptanedione.
Authors: DIETRICH K. , KOENIG K. + , MATTERN G. , MUSSO H.
Published: May 2016

Dipivaloylmethane is bound to Hg(II) at the central C atom in its known 2:1 compound.
ChemInform Abstract: Gold(I) Complexes of a Geminal Bis(phosphino)allene.
Authors: SCHMIDBAUR H. , POLLOK T. , REBER G. , MUELLER G. +
Published: May 2016

1,1‐Bis(diphenylphosphino)‐3‐methyl‐1,2‐butadiene reacts with one or two equiv. AuCl(CO) to give with elimination of CO the corresponding 1:1 and 1:2 complexes (I) and (II).
ChemInform Abstract: Synthesis of a Possible Degradation Product of (.+‐.)‐Disparlure, the Sex Pheromone of the Gypsy Moth, Lymantria dispar.
Authors: UJVARY I. , VOIGT E. , LESKO K.
Published: May 2016

The preparation of the diol (VI) is described.
ChemInform Abstract: TiB2 Coatings on Phosphor Bronze Plates by CVD and Their Properties.
Authors: MOTOJIMA S. , HOTTA H.
Published: May 2016

Uniform TiB2 thin layers of good adherence can be deposited on phosphor bronze plates from a TiCl4/BCl3/H2/Ar gas mixture in the temp. range 600‐700 °C. The TiB2 layer is stable to oxidation at temp. below 600 °C in air and improves the oxidation resistance of the phosphor bronze plate.
ChemInform Abstract: Growth of Silver Halides from the Molecule to the Crystal. A Pulse Radiolysis Study.
Authors: SCHMIDT K. H. , PATEL R. , MEISEL D.
Published: May 2016

Halide ions created by pulse radiolysis within the nanosecond or microsecond time domain in solutions containing a soluble silver salt are used to generate silver halide molecules and larger aggregates.
ChemInform Abstract: Isolation and Crystal Structure of Manganese(II) Tetrafluoroborate: A Unique Example of Manganese(II) with Seven Unidentate Ligands.
Authors: COCKMAN R. W. , HOSKINS B. F. , MCCORMICK M. J. , O'DONNELL T. A.
Published: May 2016

A solution of Mn(BF4)2 in anhydrous HF is obtained as shown in the scheme.
ChemInform Abstract: Polysulfide Solution Chemistry at a CdSe Photoanode.
Authors: ARDOIN N. , WINNICK J.
Published: May 2016

The kinetics at a CdSe photoanode is studied as a function of polysulfide concentration in the electrolyte and temp. (30‐60 °C).
ChemInform Abstract: Characterization of Silica‐Supported Bimetallic Iron‐Nickel Catalysts by EXAFS.
Authors: MIZUSHIMA T. , TOHJI K. , UDAGAWA Y. , HARADA M. , ISHIKAWA M. , UENO A.
Published: May 2016

Bimetallic Fe‐Ni/SiO2 catalysts are prepared applying two procedures, i.e. alkoxide and impregnation methods.
ChemInform Abstract: Spectroscopic Characterization of TiO2/SiO2 Catalysts
Authors: FERNANDEZ A. , LEYRER J. , GONZALEZ‐ELIPE A. R. , MUNUERA G. , KNOEZINGER H. +
Published: May 2016

prepared by the incipient wetness impregnation method using Ti(OiPr)4 is performed by XRD, diffuse reflectance spectroscopy, XPS, and low‐temp.
ChemInform Abstract: σ/π Interactions in (2.2)Paracyclophanes. PE Investigations on Octamethyltetrasila(2.2)paracyclophane and Octamethyltetrasila(2.2)(2,5)thiophenophane and ‐furanophane.
Authors: GLEITER R. , SCHAEFER W. + , KRENNRICH G. , SAKURAI H.
Published: May 2016

The photoelectron spectroscopic investigation of the title compounds (I) and (II) reveals in all cases a very strong interaction between the π MO and the corresponding MO mainly localized at the Si‐Si σ bonds.
ChemInform Abstract: Stereochemical Aspects of the Photochemical Reaction of Cyclohexene with Acetylacetone.
Authors: AGAMI C. , LEVISALLES J. , RIZK T.
Published: May 2016

The stereochemistry of the products of the known title reaction is studied by NMR analysis and a computer‐mediated energy calculation.
ChemInform Abstract: Chirality Solely Due to the Presence of an Excited State.
Authors: MEIJER E. W. , WYNBERG H.
Published: May 2016

The optically active dioxetane (II) is obtained from (I) by oxygenation; it displays chemiluminescence and is converted quantitatively to the dione (III).
ChemInform Abstract: Reaction of N,N′‐Dimethoxycarbonyl‐S‐methylisothiourea with Substituted Ethylenediamine and 1,4‐Diaminobutane Derivatives.
Authors: AKHTAR M. S. , SHARMA V. L. , SETH M. , BHADURI A. P.
Published: May 2016

The title reaction between the diamine (III) and the diester (IV) gives stereoselectively the imidazole (V).
ChemInform Abstract: Type II Intramolecular (2 + 2)Cycloadditions of Alkenes with Alkylvinylketenes. Synthesis of Methyl Jasmonate.
Authors: LEE S. Y. , NIWA M. , SNIDER B. B.
Published: May 2016

Addition of the acid chloride (I) to a solution of triethylamine in toluene at reflux temperature results in the formation of the bicycloheptanone (III) and the by‐products (IV) and (V) via the vinyl ketene (II).
ChemInform Abstract: The Low Temperature, Ionic Diels‐Alder Addition of Vinyl Orthoesters to 1,3‐Dienes.
Authors: GASSMAN P. G. , CHAVAN S. P.
Published: May 2016

Triethyl orthoacrylate (II) reacts with the 1,3‐dienes (I) and (IV) in the presence of trimethylsilyl triflate to yield the Diels‐Alder adducts (III) and (V) respectively.
ChemInform Abstract: Synthesis of Five‐Membered Heterocycles from Maleimides.
Authors: ETZBACH K.‐H. , EILINGSFELD H.
Published: May 2016

Mono‐ and bicyclic heterocyclic amines are prepared from 2‐cyano‐3‐methoxymaleimide (III) or 2,3‐dichloromaleimide (X) as shown in the reaction scheme.
ChemInform Abstract: Structure and Mechanism in the Photo‐Retro‐Aldol Type Reactions of Nitrobenzyl Derivatives. Photochemical Heterolytic Cleavage of C‐C Bonds.
Authors: WAN P. , MURALIDHARAN S.
Published: May 2016

Quantum yields and product ratios as a function of pH are reported for the title reaction of various nitroaromatic compounds such as (I) or (V).
ChemInform Abstract: Relative Yields of Excited Ketones from Self‐Reactions of Alkoxyl and Alkylperoxyl Radical Pairs.
Authors: LEE S.‐H. , MENDENHALL G. D.
Published: May 2016

Two series of experiments are conducted.
ChemInform Abstract: Dimethoxycarbene: Direct Observation of an Archetypal Nucleophilic Carbene.
Authors: MOSS R. A. , WLOSTOWSKI M. , SHEN S. , KROGH‐JESPERSEN K. , MATRO A.
Published: May 2016

Thermolysis of the dimethoxydiazirine (I), derived in 60% yield by NaOMe treatment of the corresponding chloromethoxy compound, leads to the ground‐state singlet carbene (II), which is isolated as its dimer (III).
ChemInform Abstract: Peracid Oxidation of 4‐Isoxazolines as a Method for the Preparation of α,β‐Unsaturated Carbonyl Compounds.
Authors: PADWA A. , CHIACCHIO U. , KLINE D. N. , PERUMATTAM J.
Published: May 2016

Oxidation of the 4‐isoxazolines (I) with m‐chloroperbenzoic acid yields the α,β‐unsaturated carbonyl compounds (II).
ChemInform Abstract: Metal Complexes with Tetrapyrrole Ligands. Part 50. Redox Potentials of Sandwichlike Metal Bis(octaethylporphyrinates) and Their Correlation with Ring‐Ring Distances.
Authors: BUCHLER J. W. , SCHARBERT B.
Published: May 2016

Apart from the Ce(IV) complex all the other species contain M(III) (M: Y, La‐Lu) ions that are not affected in the redox reactions.
ChemInform Abstract: Allylic Alcohols as Synthons of Allylic Carbanions. Palladium‐Catalyzed Carbonyl Allylation by Allylic Alcohols with SnCl2.
Authors: MASUYAMA Y. , TAKAHARA J. P. , KURUSU Y.
Published: May 2016

The palladium‐catalyzed allylation of carbonyl compounds such as (II) by allylic alcohols such as (I) with SnCl2 proceeds at 25 °C in DMI to give the homoallylic alcohols (III).
ChemInform Abstract: Fatty Acid Derivatives of Acidic Amino Acids as Potential Antibiotics.
Authors: GAUR R. K. , CHAUHAN V. S.
Published: May 2016

The title compounds (I)‐(III) are synthesized according to common procedures.
ChemInform Abstract: Simple One‐Step Synthesis of 1,4‐Diketones: A New Approach to Dihydrojasmone.
Authors: PECUNIOSO A. , MENICAGLI R.
Published: May 2016

The γ,δ‐unsaturated ketone (I) is treated with NaNO2(II)/HgCl2 and then subjected to acid‐catalyzed acetalization, yielding the nitro acetal (V).
ChemInform Abstract: Photostimulated Reactions of 7,7‐Dihalogenonorcaranes with Nucleophiles by the SRN1 Mechanism.
Authors: ROSSI R. A. , SANTIAGO A. N.
Published: May 2016

Photoreaction of the title compounds (I) and (V) with benzenethiolate, ‐selenate, or ‐tellurate ions or with diphenylphosphide ions yields the products (III) + (IV) or (VII) + (VIII).
ChemInform Abstract: Oxidation of 1‐Hydroxyazetidines to Four‐Membered Cyclic Nitrones and β‐Lactams.
Authors: VAN ELBURG P. A. , REINHOUDT D. N.
Published: May 2016

The azetidines (II) and (VIII) are synthesized by oxidative cyclization of the oximes (I) or (VII).
ChemInform Abstract: A Convenient Route to a Linear C18 Carboxylic Acid Derivative Containing a Thiophene Ring in the Chain via a 9,10‐Epithio‐12‐oxo Intermediate.
Authors: JIE M. S. F. L. K. , ZHENG Y. F.
Published: May 2016

Methyl ricinoleate (I) is converted to a mixture of the episulfide (V), the thiophene (VI), and the furan (VII) by consecutive oxidation, epoxidation, and reaction with N,N‐dimethylthioformamide.
ChemInform Abstract: Synthesis of Carbazole‐dienones, δ‐Lactones, and Benz(b)azepinones from Substituted 1H‐Indoles and Methyl Propiolate.
Authors: LETCHER R. M. , CHOI M. C. K.
Published: May 2016

Four new different heterocyclic adduct types are obtained from the addition of methylpropiolate (V) to variously substituted indoles.
ChemInform Abstract: Synthetic Application of Photoinduced Single Electron‐Transfer Reactions: A Convenient Synthetic Approach for the 2,2‐Dimethyl‐2H‐chromene System.
Authors: PANDEY G. , KRISHNA A.
Published: May 2016

Photolysis of the allylic alcohols (I) in the presence of 1,4‐dicyanonaphthalene (DCN) as a single electron‐transfer agent leads to the formation of the chromenes (II).
ChemInform Abstract: Internal Thioaldehyde Trapping by Enes and Dienes.
Authors: VEDEJS E. , EBERLEIN T. H. , WILDE R. G.
Published: May 2016

Intermolecular ene insertion reaction of the thioaldehyde Me‐O‐CO‐CH=S, generated photochemically from the sulfide (II), with β‐pinene (I) occurs at room temperature to give the sulfides (III) and (IV).
ChemInform Abstract: Activation of Dithiocarbamate by 2‐Halothiazolium Salts.
Authors: SUGIMOTO H. , MAKINO I. , HIRAI K.
Published: May 2016

The dithiocarbamates (IV) are activated with thiazolium salts and subsequently treated with various nucleophiles to give the thioureas (VI), the thiuram sulfides (VII), and the dithiocarbamates (IX).
ChemInform Abstract: Synthesis of Novel Cyclic Formazans.
Authors: KUMAR A. , SHANKER K.
Published: May 2016

The cyclic formazans (IV) are prepared from the biphenyl (I) as shown.
ChemInform Abstract: N,N′‐Acylated 2,4‐Diazabicyclo(3.3.1)nonanes and 2,4‐Diazabicyclo‐(3.2.1)octanes from Alicyclic Bisazomethines.
Authors: AGAFONOV N. E. , KONDRAT'EVA G. YA. , BOGDANOV V. S.
Published: May 2016

Benzoylation of the bis(azomethines) (I) predominantly gives the bis‐(benzoylamino) derivatives (III).
ChemInform Abstract: Influence of Chromophore Orientation on the Circular Dichroism of Isomeric Helical Molecules.
Authors: PRZYBILLA K. J. , VOEGTLE F. + , NIEGER M. , FRANKEN S.
Published: May 2016

The target compounds (IV)‐(VII) are prepared by reaction of (I) with an appropriate bis(halomethyl)pyridine such as (II) under high dilution conditions, followed by desulfuration in a thiophilic solvent.
ChemInform Abstract: Synthesis of High Carbon Materials from Acetylenic Precursors. Preparation of Aromatic Monomers Bearing Multiple Ethynyl Groups.
Authors: NEENAN T. X. , WHITESIDES G. M.
Published: May 2016

The dihaloarenes (I) are coupled with trimethylsilylacetylene (II) in the presence of Pd(0)‐catalysts to form the bis(silylethynyl) derivatives (III) which are deprotected with methanolic KOH, yielding the desilylated compounds (IV).
ChemInform Abstract: Dicarbollide Complexes of Samarium and Ytterbium. Synthesis and Structural Characterization of the First closo‐Lanthanacarboranes.
Authors: MANNING M. J. , KNOBLER C. B. , HAWTHORNE M. F.
Published: May 2016

The air and moisture sensitive compounds (IV) are obtained by anaerobic addition of a THF solution of (I) to equimolar solutions of (II).
ChemInform Abstract: Complexation Chemistry of Perhalogenated Cyclopentadienes and Alkynes. Part 2. Stepwise Synthesis and Crystal Structure of Tricarbonyl(pentakis(methylthio)cyclopentadienyl)manganese ((C5(SMe)5)Mn(CO)3).
Authors: SUENKEL K. + , MOTZ D.
Published: May 2016

Starting with the bromotetrachlorocyclopentadienyl analogue (I), the methylthiocyclopentadienyl‐Mn derivatives (II) are synthesized according to the scheme.
ChemInform Abstract: Synthesis of an (η3‐Allyl)(hydrido)iridium Complex and Its Reactions with Arenes and Alkanes. Sequential Intermolecular C‐H Oxidative Addition and Hydride‐to‐Alkene Migratory Insertion Reactions.
Authors: MCGHEE W. D. , BERGMAN R. G.
Published: May 2016

The title complex (IIIb) reacts with C‐H bonds in benzene and cyclopropane in the presence of phosphines to give the compounds (VI).
ChemInform Abstract: Total Synthesis of Linear Polyprenoids. Part 3. Syntheses of Ubiquinones via Palladium‐Catalyzed Oligomerization of Monoterpene Monomers.
Authors: EREN D. , KEINAN E.
Published: May 2016

A general methodology for highly regio‐ and stereoselective Pd‐catalyzed stepwise allylic coupling of bifunctional monomers is developed.
ChemInform Abstract: Photochemical Reactions. Part 21. Photochemical Behavior of δ4‐3‐Oxo, δ5‐7‐Oxo, and δ1‐3‐Oxo Steroids in Concentrated Acid Solutions.
Authors: LUPON P. , CANALS F. , IGLESIAS A. , FERRER J. C. , PALOMER A. , BONET J.‐J. , BRAINSO J. L. , PINIELLA J. F. , GERMAIN G. , KING G. S. D.
Published: May 2016

Irradiation of the androstenone (I) with UV light in concentrated sulfuric acid results in rearrangement, forming the abeo derivatives (II) and (III).
ChemInform Abstract: Syntheses of Some N‐(Pyrazinecarbonyl) Amino Acids and Peptides.
Authors: KOCEVAR M. , POLANC S. , VERCEK B. , TISLER M.
Published: May 2016

The title compounds and derivatives, e.g. (III), (IV), (VIII), are prepared as shown in the scheme.
ChemInform Abstract: A New Route to Glycofuranosyl Cyanides (2,6‐Anhydroaldononitriles). Reduction of Acetylated 2,5‐Anhydro‐1‐deoxy‐1‐nitroalditols with Phosphorus Trichloride.
Authors: KOELL P. + , KOPF J. , WESS D. , BRANDENBURG H.
Published: May 2016

The addition of CH3‐NO2 (II) to D‐ribose (I) followed by cyclodehydration yields the nitroalditol (III) (space group P21 with Z=2) which is acetylated and reduced to give the title cyanide (V).
ChemInform Abstract: Heterocycles. Part 6. Synthesis of Dihydroalloptaeroxylin, Dihydrospatheliachromene and Their Methyl Ethers.
Authors: PRASAD K. J. R. , VIJAYALAKSHMI C. S. , MAGUDESWARAN P. N. , SUBRAMANIAM E. P. , SHANMUGAM P.
Published: May 2016

The Kostanecki‐Robinson reaction (= method A) of the chromans (I) or (IV) represents the starting step in the synthesis of dihydrospatheliachromene (IIa) (= isopeucenin, a constituent of Spathelia sorbifolia Linn.) or (IIa) and dihydroalloptaeroxylin (Va) (= isoheteropeucenin, a constituent of Cedrolopsin grevi Bail and Cueorum tricocuum Linn.), respectively.
ChemInform Abstract: Glycosyl Imidates. Part 35. Synthesis of a Cerebroside Having a (4E,8E)‐Sphingadienine Moiety from Tetragonia tetragonoides with Antiulcerogenic Activity.
Authors: BAER T. + , SCHMIDT R. R.
Published: May 2016

The aldehyde (I) is transformed to the azide (II) via the procedure described in the preceding communication.
ChemInform Abstract: Guanidyl Groups: New Metal‐Binding Ligands in Biomolecules. Reactions of Chloro(2,2′:6′,2′′‐terpyridine)platinum(II) with Arginine in Two Cytochromes c and with Other Guanidyl Ligands.
Authors: RATILLA E. M. A. , KOSTIC N. M.
Published: May 2016

Cytochromes c from horse and tuna are incubated with chloro‐terpyridine‐platinum(II) at pH 7 and separated on CM52 cellulose.
ChemInform Abstract: Stereochemical Control in Microbial Reduction. Part 6. Stereochemical Control on Yeast Reduction of α‐Keto Esters. Reduction by Immobilized Baker′s Yeast in Hexane.
Authors: NAKAMURA K. , INOUE K. , USHIO K. , OKA S. , OHNO A.
Published: May 2016

The 2‐oxocarboxylates (I) are reduced by baker's yeast embedded in a polyurethane prepolymer to give the 2‐hydroxycarboxylates (II).
ChemInform Abstract: Cobalt(II) Determination at ppb Levels Based on Its Catalytic Effect on the Hydrazine‐Hydrogen Peroxide Reaction. Study by Thermometric Method.
Authors: CALULL M. , MARCE R. M. , HOMS N. , RAMIREZ DE LA PISCINA P. , BORRULL F.
Published: May 2016

The title method presents a good linearity between 5 and 1500 ppb of Co. The relative standard deviation is 2.2% for 20 ppb of Co(II).
ChemInform Abstract: Copper Photoelectroplating Using a n‐CuInSe2/Acidic Iodide Based Cell.
Authors: MENEZES S.
Published: May 2016

A novel method to electroplate Cu in a solar cell while generating electrical energy is described.
ChemInform Abstract: Neutron Spectroscopic Evidence for Adsorbed Hydroxyl Species on Platinum Black.
Authors: UDOVIC T. J. , CAVANAGH R. R. , RUSH J. J.
Published: May 2016

Incoherent inelastic neutron scattering (IINS) is used to provide vibrational spectroscopic evidence for the formation of stable OH species adsorbed on Pt black.
ChemInform Abstract: Chromium(VI) Oxidation of Thallium(I) in Aqueous Acetic Acid and Effect of Added Vanadium(V) on the Reaction.
Authors: GOKAVI G. S. , RAJU J. R.
Published: May 2016

The title reaction is studied spectrophotometrically in 60% (v/v) aqueous acetic acid solution containing 1.25 mol/dm3 HCl.
ChemInform Abstract: Chemical Methods for the Deposition of Thin Films of Bi2S3.
Authors: LOKHANDE C. D. , YERMUNE V. S. , PAWAR S. H.
Published: May 2016

Uniform Bi2S3 thin films can be deposited on glass substrates from aqueous solutions containing BiCl3, Na2S2O3, and EDTA at pH 2‐3 (HCl) or at pH 10‐11 (NaOH).
ChemInform Abstract: Differential Scanning Calorimetry as a Tool for Evaluating Preparation Techniques, and Detecting Impurities, Metastable States, etc. in Silver Mercury Iodide (Ag2HgI4).
Authors: FRIESEL M. , BARANOWSKI B. , LUNDEN A.
Published: May 2016

Pure polycrystalline Ag2HgI4 can be synthesized in two different ways.
ChemInform Abstract: Towards Stable Distonic Radical Anions: A Theoretical Study.
Authors: PIUS K. , CHANDRASEKHAR J.
Published: May 2016

Ab initio MO calculations are carried out to obtain the structures and relative isomer energies of organometallic radical anions of the types CH3‐X‐· and ·CH2‐XH‐ (X: Li, BeH, BH2, Na, MgH, or AlH2).
ChemInform Abstract: Axial Coordination and Ion‐Pair Formation for R,S,R,S‐1,4,8,11‐Tetramethyl‐1,4,8,11‐tetraazacyclotetradecanenickel(II) Perchlorate in Various Mixed Solvents with Nitrobenzene.
Authors: IWAMOTO E. , YOKOYAMA T. , YAMASAKI S. , YABE T. , KUMAMARU T. , YAMAMOTO Y.
Published: May 2016

Conductance measurements of (I) in mixed solvents of N,N‐dimethylacetamide (DMA) and MeCN with nitrobenzene, which are of iso‐relative permittivity, show that the first ion‐pair formation constant in nitrobenzene of much lower basicity decreases with increasing fraction of DMA, although MeCN is axially bonded to Ni but DMA is hardly coordinated.
ChemInform Abstract: Synthesis and Mutagenic Properties of Tetrahydropyranyl‐ and Tetrahydrothiopyranylpyrazoles and ‐pyrimidines.
Authors: VARTANYAN R. S. , SHAGINYAN R. S. , KAZARYAN ZH. V. , PARONIKYAN G. M. , SARKISYAN T. P. , VARTANYAN S. A.
Published: May 2016

The (thio)pyranylpyrazoles (III), prepared from the malononitrile derivatives (Ia) or the cyanoacetates (Ib) and the hydrazines (II), have mutagenic activity.
ChemInform Abstract: Nitrogen Bridgehead Compounds. Part 73. Ring Transformations. Part 13. Ring Transformation of Nitrogen Bridgehead Ring Systems.
Authors: HERMECZ I. , VASVARI‐DEBRECZY L. , SIMON K.
Published: May 2016

Whilst compounds (I) ((Ib) has space group Pbca with Z = 8) undergo ring transformation to give 1,8‐naphthyridines (II), (III) (space group C2/c with Z = 8) does not.
ChemInform Abstract: Selectivities of H Atoms and CH3 Radicals at 1000 K. A Scrutiny of Recent Results.
Authors: KOPINKE F.‐D. , BACH G. , ONDRUSCHKA B. , ZIMMERMANN G.
Published: May 2016

In order to check the conclusions of Korsun et al. on different selectivities of H atoms and CH3 radicals in attacking C‐H‐bonds in hydrocarbons at high temp. their pyrolysis experiments are repeated under the specific conditions of an impulse regime.
ChemInform Abstract: Ruthenium(III)‐Catalyzed Hydrogen Peroxide Oxidation of Alkyl Aromatic Compounds Under Phase‐Transfer Conditions.
Authors: BARAK G. , SASSON Y.
Published: May 2016

Application of the catalytic oxidation method mentioned in the title to the alkylarenes (I), (IV), (V), and (VIII) results in the formation of aromatic alcohols and carbonyl compounds as outlined in the reaction scheme.
ChemInform Abstract: Antimony Pentafluoride in the Synthesis of Novel Fluoroalkene Derivatives and a Novel Approach to Conjugated Polymers.
Authors: CHAMBERS R. D. , SALISBURY M. , APSEY G. , HOLMES T. F. , MODENA S.
Published: May 2016

Treatment of the polyfluoroalkane (I) with a base results in cyclization, producing the polyfluoropentene (II).
ChemInform Abstract: 2‐Cyanoethylzinc Iodide: A New Reagent with Reactivity Umpolung.
Authors: YEH M. C. P. , KNOCHEL P.
Published: May 2016

3‐Iodopropionitrile (I) and Zn (II) form the reagent (III) mentioned in the title.
ChemInform Abstract: Syntheses in the Isocamphane Series. Part 31. 7‐Oxacamphenilone, 7‐Oxacamphene, and 7‐Oxacamphenilanic Acid.
Authors: BUCHBAUER G. , HOLBIK H.
Published: May 2016

Methylation of the oxanorbornanone (I) with methyl iodide (II) in the presence of a base yields the monomethyl derivative (III) and 7‐oxacamphenilone (IV).
ChemInform Abstract: The Regiospecific Pummerer‐Like Introduction of Chlorine Atoms into Pyrrol‐3‐yl and Indol‐3‐yl Sulfoxides.
Authors: GARCIA J. , ORTIZ C. , GREENHOUSE R.
Published: May 2016

The 3‐pyrrolyl sulfoxides (I) are chlorinated with oxalyl or thionyl chloride and then treated with MCPBA to form the 2‐chloropyrrol‐3‐yl sulfoxides (II) or sulfones (III) depending on the amount of oxidation agent used.
ChemInform Abstract: Diastereoconversion of threo‐2‐Amino Alcohols to erythro‐Isomers Through a New Cyclocarbamation.
Authors: KANO S. , YUASA Y. , YOKOMATSU T. , SHIBUYA S.
Published: May 2016

Starting with the hydroxy esters (I) and the isocyanates (II), the threo‐2‐amino alcohols (III) are prepared.
ChemInform Abstract: Synthesis and Analgesic Activity of Pemedolac (cis‐1‐Ethyl‐1,3,4,9‐tetrahydro‐4‐(phenylmethyl)pyrano(3,4‐b)indol‐1‐ylacetic Acid).
Authors: KATZ A. H. , DEMERSON C. A. , SHAW C.‐C. , ASSELIN A. A. , HUMBER L. G. , CONWAY K. M. , GAVIN G. , GUINOSSO C. , JENSEN N. P. , MOBILIO D. , NOURELDIN R. , SCHMID J. , SHAH U. , VAN ENGEN D. , CHAU T. T. , WEICHMAN B. M.
Published: May 2016

Several methods of preparing the title compound (X) from indole derivatives are described.
ChemInform Abstract: Potential Antidepressants: 4‐(Aminoalkoxy)thioxanthones.
Authors: CERVENA I. , HOLUBEK J. , SVATEK E. , PROTIVA M.
Published: May 2016

The title compounds (IV) and (VI), (VII) are prepared from the acid (I) and 4‐hydroxythioxanthone (V), respectively.
ChemInform Abstract: Synthesis of N‐(4‐Chloro‐5‐cyanopyrimidin‐2‐yl)aminoacetic Acid Ethyl Ester.
Authors: TUMKYAVICHYUS S. P. , KARMALAVICHYUTE YU. P.
Published: May 2016

The aminoacetate (II) reacts with 2,4‐dichloro‐5‐cyanopyrimidine (I) to give the title compound (III) which is coupled with sodium methylmercaptide (IV) in the presence of methanol (V), producing the 4‐methylthio compound (VI).
ChemInform Abstract: Acid and Alkaline Hydrolysis of 2‐Amino‐7‐chloro‐5‐phenyl‐1,3,4‐benzotriazepines.
Authors: RICHTER P. , SCHLEUDER M. , STIEBERT P.
Published: May 2016

Short time acidic hydrolysis of the triazepines (I) yields the hydrazinoquinazolines (II) which are cleaved upon prolonged heating to give the quinazolinones (III) as the main products, together with the benzophenones (IV) and the hydrazines (V).
ChemInform Abstract: Selective Synthesis of 1‐Alkoxycarbonyloxymethyl‐5‐fluorouracils via 1,3‐Bis(hydroxymethyl)‐5‐fluorouracil.
Authors: NAGASE T. , SHIRAISHI K. , YAMADA Y. , OZAKI S.
Published: May 2016

Treatment of the bis(hydroxymethyl)fluorouracil (I) with benzyl chloroformate (II) gives a mixture of the mono‐ and biscarbonates (III) ‐(V), depending on the base used.
ChemInform Abstract: A Novel Stereocontrolled Preparation of Phospho Sugar Derivatives from Phospholenes.
Authors: YAMASHITA M. , UCHIMURA M. , IIDA A. , PARKANAYI L. , CLARDY J.
Published: May 2016

Treatment of the phospholene oxides (I) with osmium tetroxide and potassium chlorate results in oxidation, producing the diol derivatives (II).
ChemInform Abstract: Consequences of Twofold Bridging of the (10)Annulene System as in cis‐10,11‐Dihydrodicyclopenta(cd,gh)pentalene.
Authors: NAKAMURA K. , VANUCCI C. , PAQUETTE L. A.
Published: May 2016

In order to synthesize polyunsaturated dicyclopentapentalenes, the diketone (I) is reduced with di(isobutyl)aluminum hydride and then tosylated to give the di(tosyloxy) compound (III).
ChemInform Abstract: Synthesis, Electrochemistry, and Spectroelectrochemistry of (P)Ge(Fc)2 and (P)Ge(C6H5)(Fc): First Example of Metal‐Carbon‐σ‐Bonded Porphyrins with Two Different Axial Groups.
Authors: XU Q. Y. , BARBE J.‐M. , KADISH K. M.
Published: May 2016

The title complexes (I) and (II) are prepared by reaction of the corresponding dichloro‐ or phenyl‐chlorogermanium porphyrin with ferrocenyllithium in benzene.
ChemInform Abstract: Interaction of Acetonitrilebis(cyclopentadienyl)molybdenum(II) or Tris(acetonitrile)tricarbonylmolybdenum(0) with Tetrafluoroboric Acid in Acetonitrile. X‐Ray Crystal Structures of (Mo(IV)(η5‐C5H5)2(MeCN)(NH=CHMe)) (BF4)2, (Mo(IV)(η5‐C5H5)2(PMe3)2) (BF4)2, (Mo(0)(CO)2(MeCN)3(η3‐CH2CHNH2))BF4, and (Mo(III)2(μ‐O)(MeCN)10) (BF4)4.
Authors: MCGILLIGAN B. S. , WRIGHT T. C. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B.
Published: May 2016

The protonation product (III) and its substitution product (V) crystallize both in space group Pnma with Z=4.
ChemInform Abstract: Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 74. Salts of the Anions (W(CR)(CO)2(η5‐C2B9H9Me2))‐ (R: C6H4Me‐2 or C6H3Me2‐2,6) as Reagents for the Synthesis of Compounds with Heteronuclear Metal‐Metal Bonds: Crystal Structure of (NEt4) (FeW(μ‐CC6H3Me2‐2,6)(CO)5(η5‐C2B9H9Me2)).
Authors: BAUMANN F.‐E. , HOWARD J. A. K. , MUSGROVE R. J. , SHERWOOD P. , STONE F. G. A.
Published: May 2016

The salts of the (dicarbaborato‐(2‐))carbyne‐W complexes (III) are prepared according to the scheme and used to synthesize a variety of compounds containing heteronuclear metal‐metal bonds.
ChemInform Abstract: Synthesis and Molecular Structure of a Trinuclear Copper(I) Cofacial Bimacrocycle.
Authors: FERRARA J. D. , TESSIER‐YOUNGS C. , YOUNGS W. J.
Published: May 2016

The title complex (III) is prepared as shown and characterized by IR spectroscopy and an X‐ray structure analysis (space group P1, Z=2).
ChemInform Abstract: Synthesis and Structure of a Semi‐Rigid Dinucleating Macrocycle Containing the 2,6‐Bis(thiomethyl)pyridine Unit and Reactions of Its Copper(II) Complex.
Authors: SALATA C. A. , VAN ENGEN D. , BURROWS C. J.
Published: May 2016

Coupling of the 1,3‐bis(mercaptomethyl)benzene (I) with the bromomethyl(hydroxymethyl)pyridine (II) and subsequent mesylation of the diol (III) yield the bis(mesylate) (V) which undergoes cyclization with the dithiol (I) to produce the macrocycle (VI).
ChemInform Abstract: Preparation and NMR Spectroscopy of (Ag2(μ‐CH2(PPh2)2)3) (O3SCF3)2, a Disilver(I) Complex with Three Bridging CH2(PPh2)2 Ligands.
Authors: OBENDORF D. , PROBST M. , PERINGER P. , FALK H. , MUELLER N. +
Published: May 2016

Variable‐temp.
ChemInform Abstract: Interaction of the Diphenyldichalcogens, C6H5EEC6H5 (E: S, Se and Te), with the Tetrameric Halogenotrimethylplatinums. The Formation and Characterization of ((PtX(CH3)3)2C6H5TeTeC6H5) (X: Br and I) and a Dynamic Nuclear Magnetic Resonance Study of ((PtI(CH3)3)2C6H5TeTeC6H5).
Authors: ABEL E. W. , BECKETT M. A. , ORRELL K. G. , SIK V. , STEPHENSON D. , SINGH H. B. , SUDHA N.
Published: May 2016

Te2Ph2 (II) reacts with the tetramers (Ia) and (Ib) to yield the binuclear compounds (III).
ChemInform Abstract: Pyrrolizidine Alkaloid Analogues. Synthesis of Macrocyclic Diesters of (.+‐.)‐Synthanecine A Containing 12‐ to 16‐Membered Rings.
Authors: BARBOUR R. H. , ROBINS D. J.
Published: May 2016

Racemic synthanecine A (I) is converted to its chloride, which is treated with the diacids (II).
ChemInform Abstract: New Methods for the Anionic Polymerization of α‐Activated Olefins
Authors: REETZ M. T.
Published: May 2016

Review: (16 refs.
ChemInform Abstract: Polymorphism of TbCl3.
Authors: GUNSILIUS H. , BORRMANN H. , SIMON A. , URLAND W.
Published: May 2016

Based on structural studies using a modified Guinier technique TbCl3 is shown to exist in 3 modifications.
ChemInform Abstract: Heterogeneous Equilibria and Chemical Vapor Transport in the System Ti‐O‐C‐Cl.
Authors: KRABBES G. , DO VUONG HOANH DO VUONG HOANH
Published: May 2016

In the title system only Ti2O3 and Ti3O5 can exist in equilibrium with the oxide carbide phase TixCyO1‐y. All the other Ti oxides are in equilibrium with C under their decomposition pressure.
ChemInform Abstract: Proton‐Sodium Exchange in Magadiite. Spectroscopic Study (NMR, IR) of the Evolution of Interlayer OH Groups.
Authors: ROJO J. M. , RUIZ‐HITZKY E. , SANZ J.
Published: May 2016

Magadiite is shown to be a hydrogen silicate of lamellar structure, in which the negative charge of the layers is compensated by Na+ ions or by protons (Si‐O‐Na+/Si‐OH ratio 2/3).
ChemInform Abstract: The Cementation of Cupric Ions from Copper Sulfate Solution Using Fluidized Bed of Zinc Powder
Authors: EL‐TAWIL Y. A.
Published: May 2016

is investigated as a possible technique for the removal of small amounts of Cu2+ present in waste streams.
ChemInform Abstract: Study of Thermally Induced Vanadate Dispersion.
Authors: HOENICKE D. + , XU J.
Published: May 2016

XRD and Raman spectroscopic studies of the dispersion behavior of V2O5 on different oxidic supports by thermal treatments (773 K, in air) of physical mixtures show no evidence for V2O5 dispersion with γ‐Al2O3, SiO2, SiO2‐Al2O3, SnO2, ZrO2, and Nb2O5 as supports.
ChemInform Abstract: Interfacial Photoreactions at the Photosynthetic Membrane Interface: An Upper Limit for the Number of Platinum Atoms Required to Form a Hydrogen‐Evolving Platinum Metal Catalyst.
Authors: GREENBAUM E.
Published: May 2016

By illuminating a chloroplast‐hexachloroplatinate mixture with brief saturating flashes of light, it is possible to drive the reaction centers synchronously one step at a time.
ChemInform Abstract: Crystal Structures of (AsPh4)(TcO(SCOCOS)2) and (AsPh4)2(TcN(SCOCOS)2). A Comparison of the Tc(V)O3+ and Tc(V)N2+ Cores in the Same Coordination Environment.
Authors: COLMANET S. F. , MACKAY M. F.
Published: May 2016

The nitridotechnetium complex (I) (prepared from potassium dithiooxalate in acetone/water (1:3) and AsPh4(TcNCl4) in MeCN, yield 83%) and the oxo analogue (II) both crystallize in P1 with Z=2.
ChemInform Abstract: Solution Equilibria of Alizarin Red S with Al(III) and Ni(II).
Authors: ROWLEY D. A. , COOPER J. C.
Published: May 2016

Ni forms the species (Ia) and (II), Al forms (Ib).
ChemInform Abstract: Lanthanoid Complex Formation with a Hexaaza Macrocyclic Ligand, 1,4,7,10,13,16‐Hexaazacyclooctadecane (A618‐Crown‐6).
Authors: SZCZEPANIAK W. , JUSKOWIAK B. , CISZEWSKA W.
Published: May 2016

Stability constants for the 1:1 complexes of the title ligand with the lanthanoids La‐Lu are determined at 20 °C in aqueous NaCl medium by potentiometric titration methods.
ChemInform Abstract: Diastereoselective Auto‐Protonation of Enolates Arising from 1,4‐Addition of Enethiolates to Enones.
Authors: BERRADA S. , DESERT S. , METZNER P.
Published: May 2016

While the formation of anti isomers is usually the predominant process in the protonation of acyclic diastereotopic enolates, the syn products (III) are obtained from the 1,4‐addition of lithiated (II) to the enones (I).
ChemInform Abstract: Intramolecular Ene Reaction of the Unsaturated Acyloin 3‐(But‐3‐enyl)‐2‐hydroxy‐3‐methylcyclohexanone.
Authors: BROWN D. S. , MARPLES B. A. , SPILLING C. D.
Published: May 2016

Since the thermal intramolecular ene reactions of some steroidal unsaturated acyloins occur more readily than those of the corresponding unsaturated ketones, the reaction of the non‐steroidal acyloins (V) and (VI) is studied.
ChemInform Abstract: Isoxazole‐Oxazole Conversion by Beckmann Rearrangement.
Authors: DOLESCHALL G. , SERES P.
Published: May 2016

On treatment with base the isoxazole derivative (IV) undergoes the title rearrangement to afford the oxazole (VI).
ChemInform Abstract: Thiophilic Reactions of 2,4,6‐Tri‐tert‐butylphenyllithium with Carbon Disulfide and Thiophosgene.
Authors: OKAZAKI R. , FUJII T. , INAMOTO N.
Published: May 2016

The aryllithium reagent, prepared from (I) and BuLi (II), reacts with CS2 (III) to form the products (IV) ‐ (VI) due to participation of butyl bromide intermediately generated.
ChemInform Abstract: Solvolyses and Aminolyses of 1,3‐Diacyl‐2‐pyrrolidones.
Authors: GAILIUS V. , STAMM H.
Published: May 2016

Basic cleavage of the pyrrolidonecarboxylates (I) or (IV) with 2 equivalents of aqueous sodium hydroxide yields the N‐(dicarboxypropyl)‐N'‐arylureas (II) or (V).
ChemInform Abstract: Reinvestigation on Thermal Cycloaddition of 1‐Aryl‐2‐(9‐fluorenylidene)‐1‐haloethylenes.
Authors: MINABE M. , YOSHIDA M. , SAITO S. , TOBITA K. , TODA T.
Published: May 2016

The (2 + 2) cycloaddition of (Ia) via a 2,2'‐biradical intermediate does not only yield the head‐to‐tail products (II) (reported previously) and (III), but also 5 minor products (yields of 2‐4%) arising from head‐to‐head (e.g.
ChemInform Abstract: 2‐Aziridin‐1‐yl‐ and 2‐Diaziridin‐1‐yl‐3,3‐bis(trifluoromethyl)aziridines.
Authors: KOSTYANOVSKII R. G. , KADORKINA G. K. , VARLAMOV S. V. , CHERVIN I. I. , ROMERO MALDONADO I. K. A.
Published: May 2016

The aziridines (I) react with amines such as (II) to give the formamidines (III).
ChemInform Abstract: Synthesis of an Optically Active 4‐Acetoxyazetidinone Intermediate for Penems and Carbapenems.
Authors: HAEBICH D. + , HARTWIG W. , BORN L.
Published: May 2016

Starting with the cis‐oxiranedicarboxylate (I), the diastereomeric diamides (IV) and (V) are prepared.
ChemInform Abstract: Synthesis of 2‐(1‐Phosphorylalkyl)‐ and 2‐(1‐Alkenyl)furans Through Nitrile Oxide Cycloaddition Route.
Authors: TSUGE O. , KANEMASA S. , SUGA H.
Published: May 2016

The nitrile oxide generated from (I) reacts with (II) to give the cycloadducts (III); subsequent ring opening to the corresponding hydroxyketones followed by deprotection and cyclization yields the target compounds (IV).
ChemInform Abstract: Samarium(II) Diiodide Induced Reductive Coupling of α,β‐Unsaturated Esters with Carbonyl Compounds Leading to a Facile Synthesis of γ‐Lactone.
Authors: FUKUZAWA S. , NAKANISHI A. , FUJINAMI T. , SAKAI S.
Published: May 2016

Reductive coupling of carbonyl compounds such as (I) with α,β‐unsaturated esters such as (II) in the presence of SmI2 offers a facile and effective method for the preparation of γ‐lactones (III).
ChemInform Abstract: Halogenated 3‐Pyridyl Ketones.
Authors: SUTTER P. , WEIS C. D.
Published: May 2016

The 3‐arylmethyl‐2,6‐dichloropyridines (I) are oxidized with chromic acid to give the diaryl ketones (II).
ChemInform Abstract: Synthesis of 2‐Amino‐5‐hydroxy‐4‐pyrimidones and 5,6‐Biheteroaryls Using p‐Nitrophenyl 3‐Bromo‐2,2‐diethoxypropionate (NPBDP).
Authors: LAMATTINA J. L. , MULARSKI C. J. , MUSE D. E.
Published: May 2016

The reaction of NPBDP (I) with various guanidines such as (II) affords, after formic acid hydrolysis of the acetals (III), the pyrimidones (IV).
ChemInform Abstract: The Synthesis of 1‐Alkyl‐4a‐(4‐chlorophenyl)‐4,4a‐dihydropyrimido‐(6,1‐a)isoindol‐9(3H)‐one.
Authors: EBERLE M. K. , BRZECHFFA L.
Published: May 2016

The pyrimidoisoindolones (IV) are prepared from the amine (I) via cyclization of the amides (III).
ChemInform Abstract: Hydrosilylation of Ethynylsilanes with Dimethyl(2‐thienyl)silane.
Authors: LUKEVICS E. , PUDOVA O. , STURKOVICH R. , GAUKHMAN A.
Published: May 2016

The ethynylsilanes (II) react with dimethyl(2‐thienyl)silane (I) in the presence of chloroplatinic acid, producing the β‐trans‐ (III) and α‐isomers (IV).
ChemInform Abstract: Reaction of Fluorine Containing Acetylene Alcohols with Phosphorus Trichloride.
Authors: BREL' V. K. , CHEKHLOV A. N. , IONIN B. I. , MARTYNOV I. V.
Published: May 2016

The phenylacetylene (I) reacts with phosphorus trichloride (II) to give the phosphonic dichlorides (III) and (IV).
ChemInform Abstract: Reaction of Dialkyl Phosphites with Acyl Chlorides in the Presence of Vinyl Alkyl Ethers.
Authors: GAZIZOV M. B. , NIKOLAEVA V. G. , ZAKHAROV V. M. , KHAIRULLIN R. A. , MOSKVA V. V.
Published: May 2016

The phosphites (I) react with the acyl chlorides (II) in the presence of the vinyl ethers (III) to give the α‐keto phosphonates (IV), together with the phosphonates (V).
ChemInform Abstract: Synthesis of Enantiomerically Pure Aminophosphonic Acids.
Authors: JACQUIER R. , OUAZZANI F. , ROUMESTANT M.‐L. , VIALLEFONT P.
Published: May 2016

The chiral Schiff base (III), prepared from optically pure (+)‐ or (‐)‐2‐hydroxy‐3‐pinanone (I) and the aminomethylphosphonate (II), is substituted with the bromides (IV) after deprotonation to yield the alkylated Schiff bases (V).
ChemInform Abstract: Synthesis, Molecular Structure and Magnetic Properties of Di‐μ‐hydroxo‐bis(bis(1,3‐bis(2‐hydroxyphenyl)‐1,3‐propanedionato)chromium(II# I)) Bistoluene.
Authors: TEIXIDOR F. , COLOMER J. , CASABO J. , MOLINS E. , MIRAVITLLES C. , PALACIO F.
Published: May 2016

The title compound (I) is synthesized by 1:1,5 molar reaction of Cr(NO3)3·9 H2O with bis‐1,3‐(2‐hydroxyphenyl)‐1,3‐propanedione in refluxing isopropanol and isolated by chromatographic techniques.
ChemInform Abstract: Substitution Reactions of Metallic Complexes of 2,2′,2′′‐Triaminotriethylamine. Part 16. Kinetics of the (Oxalato)(2,2′,2′′‐triaminotriethylamine) Cobalt(III) Cation in Dilute and Concentrated Acid.
Authors: ZULU M. M. , MADAN S. K.
Published: May 2016

The acid hydrolysis of the title complex (I) is investigated in HClO4 under different conditions spectrophotometrically.
ChemInform Abstract: Cationic and Neutral Bis(4‐p‐tolylthiosemicarbazido)platinum(II) Complexes: A Preparative as well as 1H and 195Pt NMR Study of the Question of cis/trans Isomerism.
Authors: KOCH K. R.
Published: May 2016

Cationic Pt complexes are obtained as an isomeric mixture of (III) and (IV), although the trans isomer presumably predominates.
ChemInform Abstract: A General Synthetic Approach to Optically Active Iridoid Aglycones. The Total Syntheses of β‐Ethyl Descarbomethoxyverbenalol, Ethyl Catalpol, and (‐)‐Specionin.
Authors: KIM B. H. , JACOBS P. B. , ELLIOTT R. L. , CURRAN D. P.
Published: May 2016

A combination of Ireland‐Claisen rearrangement and nitrile oxide cycloaddition permits the facile anellation of a highly functionalized cyclopentane ring onto the trans‐glycal (I) derived from D‐xylal.
ChemInform Abstract: Indian Medicinal Plants. Part 91. Structure and Synthesis of Alamaridine, a Novel 5‐Methylbenzopyridoquinolizine Alkaloid from Alangium lamarckii.
Authors: BHATTACHARJYA A. , MUKHOPADHYAY R. , SINHA R. R. , ALI E. , PAKRASHI S. C.
Published: May 2016

The relative stereochemistry of the title compound (VI) is confirmed by its total synthesis starting from the amine (Ia) and 3‐acetylpyridine (II).
ChemInform Abstract: An Approach to Novel Ellipticine Glycosides.
Authors: LANGENDOEN A. , KOOMEN G.‐J. , PANDIT U. K.
Published: May 2016

LDA‐mediated reaction of the N‐methyl derivative (I) of ellipticine with formaldehyde (II) gives the hydroxyethyl derivative (III).