bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Rotamers and Isomers in the Fulgide Series. Part 2. Stereochemistry and Conformational Analysis of Bis‐(p‐methoxybenzylidene)succinic Anhydrides by X‐Ray Crystallography and Molecular Mechanics.
Authors: BOEYENS J. C. A. , DENNER L. , PEROLD G. W. 
Published: May 2016

AbstractCrystalline anhydrides mentioned in the title occur as the methoxy rotamers of both E,E and Z,Z geometrical isomers.
ChemInform Abstract: Thermal Equilibration of Z‐ and E‐Isomers of 5‐Arylmethylenehydantoins. Evidence for Non‐Bonded Aromatic π···Methyl Attractions.
Authors: TAN S.‐F. , ANG K.‐P. , HOW G.‐F. 
Published: May 2016

AbstractStandard free energy differences between the Z‐ and E‐isomers of 14 hydantoins such as (I) and (II) are estimated by thermal equilibration in DMSO.
ChemInform Abstract: Reaction of Bis‐1,2‐diketones. Part 3. Regioselective Bicyclization of Bis‐1,2‐diketones with Urea.
Authors: BAKIBAEV A. A. , SAVCHENKO T. I. , FILIMONOV V. D. , YAGOVKIN A. YU. , NOVIKOV A. N. 
Published: May 2016

AbstractThe reaction between the bis‐1,2‐diketones (Ia)‐(Ic) and urea (II), conducted in anhydrous formic (or acetic) acid, affords the bicyclic bis‐ureas (IIIa)‐(IIIc) in high yields.
ChemInform Abstract: Synthesis, Structure and Properties of Compounds with a Chalcogen‐Nitrogen Bond. Part 11. Reaction of Selenium Imides with Thiols and Thioamides.
Authors: NADDAKA V. I. , AVANESYAN K. V. , CHERKINSKAYA M. L. , MINKIN V. I. 
Published: May 2016

AbstractThe oxidative power of chalcogen imides toward thiols and thioamides increases in the order S < Se < Te.
ChemInform Abstract: Imines and Derivatives. Part 21. A Study of Structural and Mechanistic Aspects of the Synthesis of Imine, Imine Oxide, and Oxime Derivatives of 2,2,4,4‐Tetramethylcyclobutane‐1,3‐dione by X‐Ray Crystallography and NMR and UV Spectroscopy.
Authors: BOYD A. J. , BOYD D. R. , BURNETT M. G. , MALONE J. F. , JENNINGS W. B. 
Published: May 2016

AbstractThe diimine (II) (space group P21/n with Z=2; prepared according to A) (literature)) occurs exclusively as the E‐isomer as well as its oxidation product, the dinitrone (III).
ChemInform Abstract: Chemistry of Oxaziridines. Part 10. Selective Catalytic Oxidation of Sulfides to Sulfoxides Using N‐Sulfonyloxaziridines.
Authors: DAVIS F. A. , LAL S. G. , DURST H. D. 
Published: May 2016

AbstractOxidation of the sulfides (IV) with oxone in the presence of the nitrobenzylidenebenzenesulfonamide (III) gives the sulfoxides (V).
ChemInform Abstract: The High Pressure‐Mediated Intramolecular Diels‐Alder Reaction of Furans: Factors Controlling Cycloaddition with Monoactivated Dienophiles.
Authors: HARWOOD L. M. , LEEMING S. A. , ISAACS N. S. , JONES G. , PICKARD J. , THOMAS R. M. , WATKIN D. 
Published: May 2016

Abstract2‐Furyl‐substituted enones such as (I) and (VII) are subjected to high pressure‐induced intramolecular cycloaddition reaction, forming fused 7‐oxabicyclo(2.2.1)heptenes, e.g. (II) and (VIII).
ChemInform Abstract: Synthesis of 2,4,5‐Trisubstituted Oxazoles and a Study of Their Fluorescent Properties.
Authors: RANGNEKAR D. W. , SHENOY G. R. 
Published: May 2016

AbstractBenzoyl chloride (II) reacts with equimolar amounts of benzaldehyde (I) in the presence of sodium cyanide (III) to give the intermediate O‐benzoylarylcyanohydrin (IV) which is treated with a further equimolar amount of benzaldehyde (I), yielding the benzoyloxybenzyl phenyl ketone (V).
ChemInform Abstract: Nitroxides (Aminyl Oxides). Part 39. Formation of Polycyclic Dimers from Vinyl Nitroxides and Their Dissociation and Isomerization.
Authors: AURICH H. G. , BUBENHEIM O. , KESSLER W. , MOGENDORF K.‐D. 
Published: May 2016

AbstractThe hydroxylamines (I) are coupled with the vinyl ketones (II) to give the γ‐oxoalkylhydroxylamines (III) which cyclize upon oxidation with PbO2, producing the tricyclic dimers (IVa) ‐ (IVc) or the bicyclic dimer (Vd).
ChemInform Abstract: The Synthesis of 5‐(p‐Bromophenacylthio)‐ and 5‐(Carbamoylthio)isothiazoles.
Authors: FUKADA N. , MORI T. , MURAOKA M. , YAMAMOTO T. , TAKESHIMA T. 
Published: May 2016

AbstractThe ammonium salts (I) are used as starting material for the preparation of the title compounds (III) and (V).
ChemInform Abstract: Thromboxane A2 Synthetase Inhibitors. Part 1. Syntheses and Activities of Various N‐Heteroaromatic Derivatives.
Authors: KANAO M. , WATANABE Y. , KIMURA Y. , KANNO H. , KUBO H. , ASHIDA S. 
Published: May 2016

AbstractVarious triazole, thiazole, and pyrimidine derivatives containing a carboxyphenoxyethyl or a carboxyvinylbenzyl moiety are synthesized by different routes.
ChemInform Abstract: Direct Substitution of 2‐Benzenesulfonyl Cyclic Ethers Using Organozinc Reagents.
Authors: BROWN D. S. , LEY S. V. 
Published: May 2016

AbstractThe 2‐phenylsulfonyltetrahydropyrans (I) and (VI) or the 2‐phenylsulfonyltetrahydrofuran (IV) react with the bromides (II) in the presence of Mg and ZnBr2 via intermediate organozinc compounds to give the substitution products (III), (V), or (VII).
ChemInform Abstract: Bisaminolysis of 3,5‐Dichloro‐2,6‐bis(trifluoromethyl)pyridine.
Authors: MATSUMOTO K. , URYU T. , MUNAKATA M. 
Published: May 2016

AbstractThe 3,5‐dichloropyridine (I), on treatment with cyclic amines (II) in THF at 100 °C and 8 kbar undergoes aminolysis to give 3,5‐bis‐amino derivatives (III) in near to quantitative yields.
ChemInform Abstract: 4‐(Lithiomethyl)‐2,6‐di‐tert‐butylpyridine: A Useful Precursor for the Synthesis of Bis(2,6‐di‐tert‐butyl)pyridyl Compounds.
Authors: WRIGHT M. E. , YAMADA L. Y. 
Published: May 2016

AbstractThe known lithiomethylpyridine (I) mentioned in the title is dimerized upon treatment with iodine, yielding the ethylene‐bridged bipyridine (II).
ChemInform Abstract: A Highly Diastereoselective Synthesis of cis‐4a‐Aryloctahydrocyclopenta(c)pyridine Derivatives Through Tandem Radical Cyclization of α‐Amino Radical‐Polyene Species.
Authors: KANO S. , YUASA Y. , YOKOMATSU T. , ASAMI K. , SHIBUYA S. 
Published: May 2016

AbstractThe key step in the synthesis of the title compounds (IX) is the radical‐induced cyclization of dienyloxazolidinones (VIII), obtained from the esters (I) as shown in the reaction scheme.
ChemInform Abstract: A New Synthesis of 2,3‐Dihydrofuro(2,3‐b), (2,3‐c), and (3,2‐c)quinolines.
Authors: GODARD A. , JACQUELIN J. M. , QUEGUINER G. 
Published: May 2016

AbstractStarting with the carbamate (I), the dihydrofuroquinoline (IV) is synthesized.
ChemInform Abstract: Synthesis and Properties of Bicyclic C7 1,3‐Dioxanes.
Authors: BATALIN O. E. , ZINENKOV A. V. , IDLIS G. S. , PINSON V. V. , FEDORTSOVA E. V. 
Published: May 2016

AbstractA novel method affording improved yields of the bicyclic 1,3‐dioxane (III) is described.
ChemInform Abstract: A Simple Regio‐ and Stereocontrolled Synthesis of α‐Branched Allylsilanes.
Authors: MORDINI A. , PALIO G. , RICCI A. , TADDEI M. 
Published: May 2016

AbstractThe E‐configurated allylic silanes (I) are consecutively treated with a mixture of butyllithium and potassium tert‐butoxide (Schlosser's base) and an alkyl iodide (II), yielding the α‐ (III) and γ‐alkylated derivatives (IV) with predominance of (III).
ChemInform Abstract: An Examination of the Coupling of Vinyl and Aryl Triflates with Stannyl Cuprates for the Purpose of Providing Regioselective Access to Vinyllithiums.
Authors: GILBERTSON S. R. , CHALLENER C. A. , BOS M. E. , WULFF W. D. 
Published: May 2016

AbstractThe cyclohexenyl triflates (I) and (IV) are coupled with the bis(tributylstannyl) cuprate (II) to form the stannylated cyclohexenes (III) or the bromide (V) depending on the work‐up procedure.
ChemInform Abstract: Synthesis of Heterobimetallic Complexes Containing Cobalt‐Platinum or Rhodium‐Platinum Dative Bonds. Molecular Structure of ((η5‐C5H5)(CO)2Rh → Pt(C6F5)2(CO)).
Authors: USON R. , FORNIES J. , ESPINET P. , FORTUNO C. , TOMAS M. , WELCH A. J. 
Published: May 2016

AbstractThe reactions of the complexes (I), which display basic properties and therefore can be used as ligands toward other metal centers, with the Pt complexes (II) yield the products (III) with donor acceptor metal‐metal bond unsupported by any bridging ligands.
ChemInform Abstract: New Halogenated Succinylfluorescein Dyes. Synthesis and Evaluation as Singlet Oxygen Photosensitizers of Their Free and Polymer‐Bound Forms.
Authors: MARTINEZ‐UTRILLA R. , MARTIN M. E. , AMAT‐GUERRI F. , SASTRE R. , BOTIJA J. M. 
Published: May 2016

AbstractThe degree of iodination of succinylfluorescein (I) depends on the reaction time.
ChemInform Abstract: A Convenient Reduction of Alkylated Tosylmethyl Isocyanides: Applications for the Synthesis of Natural Products.
Authors: YADAV J. S. , REDDY P. S. , JOSHI B. V. 
Published: May 2016

AbstractTosylmethyl isocyanide (I) is converted into its monoalkylation products (III), which undergo reduction to the corresponding hydrocarbons (IV).
ChemInform Abstract: Growth of Pb1‐xYbxTe (0 ≤ x ≤ 0.25) Thin Films.
Authors: DAS S. K. , SURYANARAYANAN R. , ROMMELUERE M. 
Published: May 2016

AbstractThin films of the title composition can be grown on Vycor and NaCl subtrates by co‐evaporation of PbTe, Yb, and Te.
ChemInform Abstract: Solubility of Hydrogen in Pd2Er5, Pd2Er3, PdEr, Pd4Er3, and Pd3Er: Thermodynamics of Pd‐Er‐H Systems.
Authors: RAMAPRABHU S. , WEISS A. 
Published: May 2016

AbstractThe solubility of hydrogen in the title alloys are determined by the pressure reduction method in the ranges 1‐1000 mbar and 473‐1148 K because of the potential application of these intermetallics as hydrogen diffusion membranes.
ChemInform Abstract: Molecular Analogues of Surface Species. Part 2. A Theoretical Study of Molybdenum Carbonyl Thiophene Complexes: Organometallic Models for the Chemisorption of Thiophene.
Authors: RUETTE F. , VALENCIA N. , SANCHEZ‐DELGADO R. 
Published: May 2016

AbstractMolecular orbital calculations on the interaction of Mo carbonyl fragments with thiophene suggest that formation of the hitherto unknown complexes (I) and (II) is possible.
ChemInform Abstract: Polymeric Thiolate Complexes in Solution. Solution Equilibria Studies of the Cadmium(II) Complexes of 3‐(Dimethylamino)‐1‐propanethiol and Comparative Study with Other Aliphatic γ‐Mercapto Amines.
Authors: GONZALEZ‐DUARTE P. , VIVES J. 
Published: May 2016

AbstractThe stoichiometry and formation constants of soluble species found in a wide pH range and over a range of total concentrations are determined.
ChemInform Abstract: A Novel Course During the Thermolysis of Dimethyl Diselenide.
Authors: OSTROUKHOVA L. A. , KORCHEVIN N. A. , DERYAGINA E. N. , VORONKOV M. G. 
Published: May 2016

AbstractVapor‐phase thermolysis of dimethyl diselenide (I) produces carbon diselenide (II), together with small amounts of selenophene (III).
ChemInform Abstract: The Chemistry of Vicinal Tricarbonyls. A Stable Vinyl Tricarbonyl Hydrate (IV) as a Di‐ and Trielectrophile.
Authors: WASSERMAN H. H. , FUKUYAMA J. , MURUGESAN N. , VAN DUZER J. , LOMBARDO L. , ROTELLO V. , MCCARTHY K. 
Published: May 2016

AbstractThe utility of the title compound (IV) prepared by two routes is illustrated by a few examples (see scheme; no further details given).
ChemInform Abstract: A New Synthesis of Substituted Azulenes.
Authors: BECKER D. A. , DANHEISER R. L. 
Published: May 2016

AbstractIn the presence of methyltrimethoxysilane as acid scavenger, reaction of the tropylium salt (I) with the allenes (II) offers a general method for the synthesis of at the five‐membered ring substituted azulenes (III).
ChemInform Abstract: Oxybromination Catalyzed by the Heteropolyanion Compound H5PMo10V2O40 in an Organic Medium: Selective para‐Bromination of Phenol.
Authors: NEUMANN R. , ASSAEL I. 
Published: May 2016

AbstractTreatment of the aromatic compounds (I), (III), and (VI) with bromine and air in the presence of a heteropolyanion catalyst results in monohalogenation, producing the aryl bromides (II), (IV) and (V), or (VII).
ChemInform Abstract: α‐Hydroxyalkylphosphonic Acid Dichlorides. Synthesis, Spectroscopic Properties, and X‐Ray Analysis.
Authors: KARDANOV N. A. , TIMOFEEV A. M. , GODOVIKOV N. N. , CHERNEGA A. N. , ANTIPIN M. YU. , STRUCHKOV YU. T. , KABACHNIK M. I. 
Published: May 2016

AbstractPhosphorus trichloride (I) reacts with the carbonyl compounds (II) in the presence of nucleophilic reagents (H2O, AcOH, H3PO3) to give the title compounds (III).
ChemInform Abstract: Synthesis of Selenium‐Containing Binaphthyls and Their Application to the Asymmetric Ring‐Opening of Cyclohexene Oxide.
Authors: TOMODA S. , IWAOKA M. 
Published: May 2016

AbstractReductive ring‐opening of cyclohexene oxide (IV) in the presence of the (R)‐selenobinaphthyls (I) ‐ (III) as chiral inducers, followed by benzoylation and elimination, predominantly give (R)‐ or (S)‐2‐cyclohexenyl benzoate (VI).
ChemInform Abstract: Direct Electrochemical Synthesis of Alkane‐ and Arenethiolato Derivatives of Indium and Thallium.
Authors: GREEN J. H. , KUMAR R. , SEUDEAL N. , TUCK D. G. 
Published: May 2016

AbstractThe electrochemical oxidation of anodic indium in MeCN solutions of thiols gives thiolato derivatives of In(I), In(II) or In(III) depending on the thiol and the experimental conditions.
ChemInform Abstract: Thermal Synthesis and Structural Characterization of Re(CO)3(PCy3)2, a Rhenium(0) Radical.
Authors: CROCKER L. S. , HEINEKEY D. M. , SCHULTE G. K. 
Published: May 2016

AbstractThe thermal decarbonylation product (II) from (I) is a suitable precursor for generating stable radicals such as the title compound (IV).
ChemInform Abstract: 72‐76 Valence Electron Clusters: An Extension of the 16‐18 Electron Rule. Synthesis, Crystal Structure, and Solution Dynamics of the Trigonal‐Bipyramidal Pentanuclear Clusters (PtIr4(CO)9(μ‐CO)5)2‐ and (PtIr4(CO)9(μ‐CO)3)2‐.
Authors: FUMAGALLI A. , DELLA PERGOLA R. , BONACINA F. , GARLASCHELLI L. , MORET M. , SIRONI A. 
Published: May 2016

AbstractThe 76 valence electron cluster anion (IV) is obtained by the reductive carbonylation of a mixture of Na2PtCl6 (I) and hydrated IrCl3 (II) or Ir4(CO)12 and can be isolated as its PPN salt (IV), its NBu4 salt (yield 93%), and as the salt of several other cations.
ChemInform Abstract: Preparation of New Terpenyl β‐D‐Glucopyranosides by a Modified Koenigs‐Knorr Procedure.
Authors: ACKERMANN I. E. , BANTHORPE D. V. , FORDHAM W. D. , KINDER J. P. , POOTS I. 
Published: May 2016

AbstractTen new hemi‐ and monoterpenyl β‐D‐glucopyranosides are prepared by a modification of the Koenigs‐Knorr procedure utilizing silver fluoroacetate as a soluble catalyst coupled with the introduction of a basic ion‐exchange resin to effect the deacetylation step.
ChemInform Abstract: A Convenient Method for S‐Glycosidic Bond Formation. Synthesis of p‐Iodophenyl 4′‐Thiomaltotrioside and Its 2′′,3′′‐Unsaturated Analogue.
Authors: BLANC‐MUESSER M. , DRIGUEZ H. 
Published: May 2016

AbstractThe title compounds (IV) and (VIII) are prepared as shown, including the selective S‐deacetylation method A).
ChemInform Abstract: Synthesis of Compounds with Juvenile Hormone Activity. Part 27. Synthesis of Enantiomerically Pure (10R,11S)‐(+)‐Juvenile Hormone 0.
Authors: MORI K. , FUJIWHARA M. 
Published: May 2016

AbstractAn improved method for the construction of a trisubstituted double bond is tested for some model compounds and applied to the synthesis of the title compound (V).
ChemInform Abstract: Dithiosquarato Cuprate and the Dithiosquarato Palladate Ions: Single Crystal ESR Study and Crystallographic Investigations.
Authors: ARRIZABALAGA PH. , BERNADINELLI G. , GEOFFROY M. , CASTAN P. 
Published: May 2016

AbstractThe crystal structure of the Pd complex (Ia) (space group P21/n, Z=4) is determined and the single crystal ESR study of the bis(dithiosquarato)‐Cu(II) ion is performed in (Ib) and in doped (Ia).
ChemInform Abstract: The Arene Oxide‐Oxepine Valence Isomerization: A Dynamic NMR Investigation Using a Prochiral Substituent.
Authors: JENNINGS W. B. , RUTHERFORD M. , BOYD D. R. , AGARWAL S. K. , SHARMA N. D. 
Published: May 2016

Abstract1H NMR data of the unstable naphthalene 1,2‐oxide (V) at ambient temp. indicate a high barrier to enantiomerization via the oxepin valence isomer.
ChemInform Abstract: A Nonconcerted Intramolecular Diels‐Alder Reaction of Chiral Allenic Acid Derivatives.
Authors: TRIFONOV L. S. , ORAHOVATS A. S. 
Published: May 2016

AbstractIn the reaction between allenic acid (I) and carbodiimides (II), (IV) or ketenimine (VII) low diastereoselectivity and a partial loss of optical activity are observed.
ChemInform Abstract: Comparison of Photoinduced Electron Transfer Reactions of Aromatic Carbonyl vs. Cyano Compounds with Electron Donors in Condensed Phase. The Importance of the Spin State of the Geminate Ion Pair for Obtaining High Ion Yields.
Authors: HASELBACH E. , VAUTHEY E. , SUPPAN P. 
Published: May 2016

AbstractPhotoinduced charge separation is very efficient in systems of benzophenone (anthraquinone), 1,4‐diaza(2.2.2)bicyclooctane (N,N‐dimethylaniline), while it is inefficient when 9‐cyano‐ or 9,10‐dicyanoanthracene are used as acceptors.
ChemInform Abstract: Competition of Endoperoxide and Hydroperoxide Formation in the Reaction of Singlet Oxygen with Cyclic, Conjugated Dienes. Part 1.
Authors: MATUSCH R. , SCHMIDT G. 
Published: May 2016

AbstractContrary to previous reports the sensitized photooxygenation of phellandrene (I) does not give only (II) and (III) but all the 1O2 ene products (IV)‐(VI) as well, besides p‐cymene (VII) as a decomposition product (especially from (VI)).
ChemInform Abstract: Palladium‐Catalyzed Inter‐ and Intramolecular Cross‐Coupling Reactions of B‐Alkyl‐9‐borabicyclo(3.3.1)nonane Derivatives with 1‐Halo‐1‐alkenes or Haloarenes. Syntheses of Functionalized Alkenes, Arenes, and Cycloalkenes via a Hydroboration‐Coupling Sequence.
Authors: MIYAURA N. , ISHIYAMA T. , SASAKI H. , ISHIKAWA M. , SATOH M. , SUZUKI A. 
Published: May 2016

AbstractHydroboration of the alkene (I) leads to the borabicyclononane (III), which undergoes cross‐coupling with the haloalkenes (VI) or (VII) to yield the trienes (IV) or (V) with defined stereochemistry.
ChemInform Abstract: Reactions of Organic Anions. Part 160. Synthesis of Heptafulvene Derivatives by Vicarious Nucleophilic Substitution of Hydrogen in Tropylium Tetrafluoroborate.
Authors: OSTROWSKI S. , MAKOSZA M. 
Published: May 2016

AbstractThe vicarious nucleophilic substitution is characterized by 3 reaction steps: the nucleophilic attack of a carbanion, an elimination and a protonation step.
ChemInform Abstract: A New Approach Towards Dodecahedrane. Short, Simple Design of Quinane ′Roofed′ Polyquinanes.
Authors: MEHTA G. , REDDY K. R. 
Published: May 2016

AbstractStarting with the cycloadducts (III) and (IV) of norbornenobenzoquinone (I) and cyclopentadiene (II), various cage compounds are prepared by photolysis and thermolysis and subsequent reactions.
ChemInform Abstract: Synthesis and Selective Reduction of New Sterically Hindered Nitrophenyl Azides.
Authors: ESWARAN S. V. , SAJADIAN S. K. 
Published: May 2016

AbstractThe p‐dinitrobenzenes (III) undergo substitution of one nitro group with sodium azide (IV) to give the 4‐nitro azides (V) which are reduced with thioglycolic acid, yielding the nitroanilines (VI).
ChemInform Abstract: Generation of Sulfur‐Functionalized Nitrile Oxide, (Phenylthio)acetonitrile Oxide, and Synthetic Applications.
Authors: KANEMASA S. , NORISUE Y. , SUGA H. , TSUGE O. 
Published: May 2016

AbstractThe isoxazolines (III) are prepared either from the oxime (I) or from the nitro compound (IV); in both cases the reaction involves cycloaddition between the alkenes (II) and the intermediately formed nitrile oxide 1,3‐dipole (V).
ChemInform Abstract: Synthesis and Properties of 5‐Amino‐1,2,3‐thiadiazole‐4‐carbothioamides.
Authors: DANKOVA E. F. , BAKULEV V. A. , KOLOBOV M. YU. , SHISHKINA V. I. , YASMAN YA. B. , LEBEDEV A. T. 
Published: May 2016

AbstractThionation of the thiadiazolecarbamides (III) or sulfhydrolysis of the nitriles (VI) gives mixtures of the isomeric carbothioamides (IV) and (V).
ChemInform Abstract: Substitution of a Nitro Group for a Formyl Group and Chlorine in 3,6‐Dinitro‐4‐chlorocoumarin During the Vilsmeier‐Haack Reaction.
Authors: MOZHAEVA T. YA. , SAMSONOVA O. L. , SAVEL'EV V. L. 
Published: May 2016

AbstractVilsmeier‐Haack reaction of the dinitrocoumarin (I) gives the products (III) and (IV).
ChemInform Abstract: An Efficient Regio‐ and Stereoselective Synthesis of Silyl Enol Ethers.
Authors: AHMAD S. , KHAN M. A. , IQBAL J. 
Published: May 2016

AbstractThe methyl ketones (I) react with chlorotrimethylsilane (II) in the presence of sodium bromide and triethylamine to yield the silyl enol ethers (III) ‐ (V) with predominance of the thermodynamically controlled products (III) or (IV).
ChemInform Abstract: Syntheses of Eight‐Membered Metallacycles with a M(NSN)2M‐Frame (M: Zr, Hf).
Authors: PLENIO H. , ROESKY H. W. 
Published: May 2016

AbstractThe thermally and air‐stable eight‐membered metallacycles (III) are prepared according to the scheme and characterized by IR, mass, and for (IIIb) by 1H NMR spectra.
ChemInform Abstract: Ferrocenophanes with Aromatic Thioester Bridges.
Authors: HERBERHOLD M. , DOERNHOEFER C. + , HAYEN H. I. , WRACKMEYER B. 
Published: May 2016

AbstractReaction of ferrocene‐1,1'‐dithiol (I) with terephthaloyl chloride (II) yields the ferrocenophane (III).
ChemInform Abstract: Synthesis of Acyclic Nucleosides of 2‐Thio‐pyrimidines and ‐purines Using a New Coupling Agent of Lithium Bromide.
Authors: KIM J. Y. , KIM Y. H. 
Published: May 2016

AbstractThe TFA/LiBr system is efficiently used in the synthesis of acyclic nucleosides of type (IV) and (VI).
ChemInform Abstract: Studies on the Molybdenum Cofactor. An Unequivocal Total Synthesis of (.+‐.)‐Urothione.
Authors: TAYLOR E. C. , REITER L. A. 
Published: May 2016

AbstractThe structure of urothione (X), the urinary metabolite of the molybdenum cofactor, is confirmed by its total synthesis from the mercaptan (II) and the pyrazine (III).
ChemInform Abstract: 13C and 1H NMR Shielding Effects in Aliphatic gauche/trans Fragments.
Authors: SCHNEIDER H.‐J. , BUCHHEIT U. , HOPPEN V. , SCHMIDT G. 
Published: May 2016

AbstractOn the basis of improved calculation models, of new NMR measurements with more than 30 bicyclo(2.2.1)heptyl and cyclohexyl compounds such as (I)‐(III), and of literature data it is shown that classical mechanisms of sterically induced charge polarizations, of linear electric field, and of anisotropy effects can account for many substituent‐induced shielding (SIS) differences.
ChemInform Abstract: On the Reactivity of 5(4H)‐Oxazolones with Amines.
Authors: BLASCO J. , CATIVIELA C. , DIAZ DE VILLEGAS M. D. , GARCIA J. I. , JAIME C. , MAYORAL J. A. 
Published: May 2016

AbstractHeating of the oxazolones (I), (IV), (VI), and (VIII) with the amines (II) results in ring cleavage and substitution, yielding the carboxamides (III), (V), (VII), and (IX).
ChemInform Abstract: Intermolecular Heteroaromatic Nucleophilic Substitution Reaction via the Sulfur Ylide Rearrangement: C‐Attack vs. O‐Attack.
Authors: KAMETANI T. , KAWAMURA K. , AKAGI T. , FUJITA C. , HONDA T. 
Published: May 2016

AbstractThe heterocyclic methyl sulfides (I) are coupled with the dimethyl diazomalonate (II) in the presence of rhodium diacetate to give the sulfonium compounds (III) which undergo thermally induced rearrangement, forming the ketene acetals (IV).
ChemInform Abstract: An ESR Investigation of the Structure and Formation of Sulfinyl Radicals: Reaction of Peroxyl Radicals with Thiols.
Authors: SWARTS S. G. , BECKER D. , DEBOLT S. , SEVILLA M. D. 
Published: May 2016

AbstractMatrix peroxyl radicals generated by irradiation of organic matrices in the presence of O2 react with added simple thiols (R‐SH; R: ‐Me, ‐Bu, ‐tBu) and the radio‐protective thiols cysteamine and dithiothreitol to form sulfinyl radicals R‐SO..
ChemInform Abstract: Synthesis of Ketones Starting from N‐Phenylimidothioesters via Ketenimine Intermediates.
Authors: EL‐JAZOULI M. , LAGE N. , MASSON S. , THUILLIER A. 
Published: May 2016

Abstract1,4‐Addition of organo‐metal reagents to the title thioesters (I) and (IV) followed by thermal decomposition leads to ketenimine intermediates which are trapped in situ by organo‐lithium or magnesium compounds.