bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis of Some 5H‐Pyrano‐ and 5H‐Pyrido(2′,3′:4,5)pyrido(2,1‐b)benzothiazol‐5‐one Derivatives.
Authors: HUSSAIN S. M. , EL‐REEDY A. M. , ABDIN T. M.
Published: May 2016

The addition reactions of the pyridobenzothiazolone (I) with the compounds (II), (IV), (VI), (VIII), (X), (XII) give rise to the various heterocyclic products shown in the scheme.
ChemInform Abstract: Synthesis of New Potentially Analgesically and Antibiotically Active Pyridazino(4,3‐e)(1,3)oxazinones and Pyrimido(4,5‐c)pyridazinones.
Authors: RIED W. , EICHHORN T. A.
Published: May 2016

The carboximidoyl chlorides (III) are hydrolyzed and then cyclized, forming the pyridazinooxazinones (IV).
ChemInform Abstract: Synthesis and Spectroscopic and Structural Characterization of the Monomeric Diborylphosphine and Diphosphinoborane Compounds PhP(BMes2)2 and MesB(PPh2)2 (Mes: 2,4,6‐Me3C6H2).
Authors: BARTLETT R. A. , DIAS H. V. R. , POWER P. P.
Published: May 2016

The title compounds (III) and (VI) are the first examples of their classes of compound to be structurally characterized.
ChemInform Abstract: Polyphosphorus Ligands. Part 5. The Synthesis, 31P NMR Spectra and Conformations of the Polykis(diphenylphosphino) Benzenes (Ph2P)nC6H6‐n (n = 1‐4).
Authors: MCFARLANE H. C. E. , MCFARLANE W.
Published: May 2016

All the compounds (III)‐(VIII) are prepared in 35‐80% yield by the reaction of the corresponding fluorobenzenes with (II) as demonstrated for (III).
ChemInform Abstract: Reactivity of the Organozinc Derivative of Ethyl α‐Bromomethylacrylate.
Authors: EL ALAMI N. , BELAUD C. , VILLIERAS J.
Published: May 2016

The title compound (I) reacts with iodobenzene (II) in the presence of a Pd(0)‐catalyst to yield the α‐benzylacrylate (III).
ChemInform Abstract: Neutral Water‐Soluble Indium Complexes of 3‐Hydroxy‐4‐pyrones and 3‐Hydroxy‐4‐pyridinones.
Authors: MATSUBA C. A. , NELSON W. O. , RETTIG S. J. , ORVIG C.
Published: May 2016

The hygroscopic complexes (III) and (IV) are obtained at neutral pH and are studied by IR and NMR spectroscopy, 1‐octanol/water partitioning and single‐crystal X‐ray diffraction ((IVb): space group P3 with Z=2).
ChemInform Abstract: Zero Valent Molybdenum and Tungsten Ethylene Isocyanide Complexes: Synthesis and Structural Properties.
Authors: CARMONA E. , GALINDO A. , MARIN J. M. , GUTIERREZ E. , MONGE A. , RUIZ C.
Published: May 2016

Stepwise substitution of the trimethylphosphine ligands in the trans complexes (I) by corresponding isocyanides (II) leads to mono‐ and bis(isocyanide) complexes such as (IV) and (III).
ChemInform Abstract: Synthesis, Structure, and Magnetic Properties of a Dodecamanganese(II) Complex Afforded by a Binucleating Acyclic N2O3 Schiff Base.
Authors: LUNEAU D. , SAVARIAULT J.‐M. , TUCHAGUES J.‐P.
Published: May 2016

The title complex (I) is prepared by addition of methanolic solutions of manganese(II) acetate tetrahydrate to the ligand at 65 °C (no yield given).
ChemInform Abstract: Synthesis and Photophysical and Electrochemical Properties of New Halotricarbonyl(polypyridine)rhenium(I) Complexes.
Authors: JURIS A. , CAMPAGNA S. , BIDD I. , LEHN J.‐M. , ZIESSEL R.
Published: May 2016

The absorption spectra, emission spectra, luminescence lifetime, luminescence quantum yields, and redox potentials of the complexes (III)‐(VI) are measured.
ChemInform Abstract: Synthesis and Proton NMR Studies of the Electronic Structure of Ferric Phosphine Porphyrin Complexes.
Authors: SIMONNEAUX G. , SODANO P.
Published: May 2016

Analogous to the preparation of (IIIa) bis(trimethylphosphine)iron(III) complexes of deuteroporphyrin dimethyl ester, as well as tetrakis(m‐ and p‐tolyl)porphyrin and analogous to the preparation of (IIIb) a trimethylphosphine‐pyridine complex of tetraphenylporphyrinatoiron(III) are also obtained.
ChemInform Abstract: Chemistry of Hydroisocyanic Acid. Part 5. Reactions of W(CO)5CNH, Fe(CN)2(CNH)4, and FeCp(dppe)CNH BF4 with Highly Alkylated Olefins: Hydroisocyanidation.
Authors: BAER E. + , FEHLHAMMER W. P.
Published: May 2016

Reagiospecific 1,2‐addition of the hydrogen isocyanide complex (I) to the alkylated olefins (II) leads to the formation of the monoalkylated isocyanide complexes (III) which can also be obtained from complex (IV) by reaction with (II) and HBF4.
ChemInform Abstract: Synthesis and Molecular Structure of (Ni4(S2)(SCH2CH2S)4)2‐, a Mixed Nickel‐Disulfide‐Thiolate Anion with a Prismatic Ni4S2 Core.
Authors: TREMEL W. , HENKEL G.
Published: May 2016

The title cluster as the salt (IV) (space group P1 with Z=2) is obtained by self‐assembly reaction from simple reactants as shown in the scheme.
ChemInform Abstract: Siloxyl‐Bridged Diruthenium(II) Complexes: Structural Models for Cluster‐Derived, Silica‐Supported Ruthenium Catalysts.
Authors: BRUCE G. C. , STOBART S. R.
Published: May 2016

Treating of the unusual silanol complex (I) with equimolar amount of KH results in loss of H2 and CF3COO‐ producing the siloxyl‐bridged diruthenium(II) complex (II).
ChemInform Abstract: Metallo‐Mesogens and Liquid Crystals with a Heart of Gold.
Authors: ADAMS H. , BAILEY N. A. , BRUCE D. W. , DHILLON R. , DUNMUR D. A. , HUNT S. E. , LALINDE E. , MAGGS A. A. , ORR R. , STYRING P. , WRAGG M. S. , MAITLIS P. M.
Published: May 2016

Using mesogens as ligands the metallo‐mesogens (metal‐containing liquid crystals) (I)‐(VI) are prepared and characterized.
ChemInform Abstract: Azaindole Derivatives. Part 1. Asymmetric Synthesis of a New α‐Amino Acid.
Authors: GMEINER P. , SOMMER J.
Published: May 2016

The hydroxymethylpyrazolopyridine (I) is O‐tosylated and then coupled with the lithiated imino esters (IV), yielding the intermediates (V) which are saponified and cleaved to produce the racemic 8‐azatryptophan (VI).
ChemInform Abstract: Carbapenams and Carbacephams: Addition of Ketenes to Five and Six Membered Cycloimines.
Authors: BURGEMEISTER T. , DANNHARDT G. , MACH‐BINDL M.
Published: May 2016

Various fused β‐lactams such as (III), (VI), or (VIII) are prepared by cycloaddition reaction of the cyclic imines (II) with ketenes generated in situ from acyl chlorides such as (I), (IV), or (VII).
ChemInform Abstract: Charge Density Distribution in Tetrasulfur Tetraimide (S4(NH)4)
Authors: GREGSON D. , KLEBE G. , FUESS H.
Published: May 2016

(orthorhombic, space group Pbnm, Z=4) is studied by XRD.
ChemInform Abstract: Electrical Conduction and Polarization in Lead Silicate Glasses.
Authors: DUTTA B. , MAGRUDER R. H. III , WEEKS R. A. , KINSER D. L.
Published: May 2016

Conductivity measurements for a series of lead silicate glasses of general composition xPbO·(100‐x)SiO2 with x = 30, 40, 45, 50, 65 shows that the dc conductivity increases monotonically with increasing PbO content.
ChemInform Abstract: Kinetics of Solid State Decomposition of K3(Nb(O2)4) and K3(Ta(O2)4): A Thermogravimetric Study.
Authors: GHOSH J. K. , JERE G. V.
Published: May 2016

The title solids undergo neat exothermic decomposition according to the scheme.
ChemInform Abstract: Molybdenum Bromide, MoBr2.5.
Authors: RYABOV S. A. , ELLERT O. G. , BUTSKII V. D. , MORGUNOV V. S. , BURTSEV M. YU. , PERVOV V. S.
Published: May 2016

The hitherto unknown title compound is prepared by heating Mo filaments to 600 °C in an atmosphere of Br2.
ChemInform Abstract: Hyperconjugation as a Factor in Face Selectivity During Cycloaddition.
Authors: CHUNG W.‐S. , TURRO N. J. , SRIVASTAVA S. , LI H. , LE NOBLE W. J.
Published: May 2016

A general rule is stated that the approach during addition to trigonal carbon is always anti to the electron richest σ bond, sometimes even when steric effects oppose such selectivity.
ChemInform Abstract: Chemiluminescence in Model Membrane Structures. Chemiluminescence of Lucigenin in the Presence of Mg(OH)2 and Benzyl Alcohol. Temperature Effects.
Authors: VARVERI F. S. , MANTAKA‐MARKETOU A. E. , VASSILOPOULOS G. , NIKOKAVOURAS J.
Published: May 2016

In solutions containing didodecyldimethylammonium bromide the quantum yield of the title reaction increases when Mg(OH)2 is added in the presence of lamellar aggregates (35%) and, especially, of vesicular aggregates (65%).
ChemInform Abstract: Single Electron Transfer and Nucleophilic Substitution. Reaction of Alkyl Bromides with Aromatic Anion Radicals and Low Oxidation State Iron Porphyrins.
Authors: LEXA D. , SAVEANT J. M. , SU K.‐B. , WANG D.‐L.
Published: May 2016

The problem of the role of single electron transfer in SN2 substitution is discussed on the basis of a comparison of the rate constants obtained for the reaction of alkyl bromides with aromatic anion radicals on one hand and with iron("0") and iron(I) porphyrins on the other, as well as of the temp. dependence of the reaction kinetics.
ChemInform Abstract: Metal Template ortho‐Acylation of Phenols. Direct Synthesis of Salicylic Acid Chlorides and Derivatives.
Authors: SARTORI G. , CASNATI G. , BIGI F. , BONINI G.
Published: May 2016

Acylation of the magnesium phenoxides (I) with phosgene (II) yields the salicylic acid chlorides (III) which are converted to the acids (IV).
ChemInform Abstract: Convenient Synthesis of Methyl 1‐Methyl‐2,4‐dibromo‐5‐imidazolecarboxylate.
Authors: O'CONNELL J. F. , PARQUETTE J. , YELLE W. E. , WANG W. , PAPOPORT H.
Published: May 2016

The title compound (X) is prepared by three different routes.
ChemInform Abstract: 3,5‐Diaminopyrazoles and 1,3,4‐Oxadiazoles from Cyanoacetothioimidates.
Authors: YOKOYAMA M. , SATO K.
Published: May 2016

The 3‐amino‐3‐(methylthio)acrylonitriles (III), prepared from the malononitriles (I) and the sodium thiolate (II), are converted to the cyanoacetothioimidates (IV) by treatment with hydrogen chloride.
ChemInform Abstract: Synthesis and Pharmacological Investigation of 4‐Substituted 2‐Alkylthio‐1,4‐dihydropyridines.
Authors: KRAUZE A. A. , VITOLINYA R. O. , ROMANOVA M. R. , DUBUR G. YA.
Published: May 2016

Some of the dihydropyridines (III), prepared as shown in the reaction scheme, have vasodilatoric activity.
ChemInform Abstract: Synthesis of 4‐Vinylquinoline: Pyrolytic Rearrangement of the 4‐(1‐Hydroxyethyl)quinoline and Related Derivatives.
Authors: RODRIGUEZ J. G. , BENITO Y.
Published: May 2016

Several attempts to synthesize 4‐vinylquinoline (II) are described in the reaction scheme.
ChemInform Abstract: Synthesis of Chiral Isoquinuclidines and Determination of Their Absolute Configuration.
Authors: MEHMANDOUST M. , MARAZANO C. , SINGH R. , GILLET B. , CESARIO M. , FOURREY J.‐L. , DAS B. C.
Published: May 2016

N‐(2,4‐Dinitrophenyl)pyridinium chloride (I) undergoes exchange reaction with the chiral amines (II) to give the salts (III), which are reduced with boranate, yielding the dihydropyridines (IV).
ChemInform Abstract: Carbon‐Sulfur Bond Formation Catalyzed by Bis(diphenylphosphino)methane Complexes of Platinum(II).
Authors: PAGE P. C. B. , KLAIR S. S. , BROWN M. P. , HARDING M. M. , SMITH C. S. , MAGINN S. J. , MULLEY S.
Published: May 2016

Thiols such as (II) or (IV) are coupled with the alkyl halides (I) or (VI) in the presence of a platinum(II) catalyst to produce the corresponding sulfides, e.g. (III), (V) or (VII).
ChemInform Abstract: Amination of 4‐Nitro‐ and 4‐Cyanopyridazines by Liquid Ammonia/Potassium Permanganate.
Authors: MARCELIS A. T. M. , TONDIJS H. , VAN DER PLAS H. C.
Published: May 2016

The 4‐nitropyridazines (I) react with ammonia to give the addition products (III) which are oxidized in situ with permanganate, forming the 5‐amino‐4‐nitropyridazines (IV).
ChemInform Abstract: Synthesis of Some Derivatives of the New Heterocyclic System Pyrimido‐(3,4‐b)‐1,2,4‐triazine and Their Antineoplastic Activity.
Authors: KOKSHAROVA T. G. , DIANOVA L. N. , VOLKOVA N. V. , ANISIMOVA O. S. , ANOSHINA G. M. , SVECHNIKOVA G. V.
Published: May 2016

The triaminopyrimidinethione (I) reacts with pyruvic acid (II), yielding the pyrimidotriazine (III) which is transformed into the 4‐alkyl derivatives (V).
ChemInform Abstract: Chemistry of 1,2,4‐Triazines. Part 13. Synthesis of 1H‐(1,2,4)Triazino‐(5,6‐e)(1,3,4)thiadiazines and 1,2,4‐Triazolo(4,3‐d)(1,2,4)triazines.
Authors: NEUNHOEFFER H. , DOSTERT M. , HAMMANN H.
Published: May 2016

The 6‐amino‐5‐hydrazino‐1,2,4‐triazines (III) react with the (thioacylthio)acetic acids (IV) to produce the 5‐thioacylhydrazinotriazines (V) which cyclize in aqueous acidic solutions, forming the triazinothiadiazines (VI).
ChemInform Abstract: Addition of Monocyclic Phosphoranes with a P‐H Bond to Unsaturated Compounds.
Authors: TANGOUR B. , BOISDON M. T. , MALAVAUD C. , BARRANS J.
Published: May 2016

The title addition leads to pentacoordinated phosphorus compounds of type (III) and (V).
ChemInform Abstract: Ring Expansions in the Addition of Dichlorocarbene to 3‐Phospholene 1‐Oxides.
Authors: KEGLEVICH G. , PETNEHAZY I. , TOEKE L. + , MIKLOS P. , ALMASY A. , TOTH G.
Published: May 2016

While the addition of dichlorocarbene to the monomethyl‐3‐phospholene 1‐oxides (I), carried out under phase‐transfer conditions, yields the bicyclic adducts (III), the dimethyl‐1‐phenyl analogue forms the phosphacycloheptatriene (V) via consecutive addition and ring enlargement reactions.
ChemInform Abstract: Preparation of Carbonyl, Halogeno, and Alkyl Niobocene Complexes and Their Reactions with Oxygen. Crystal Structures of (Nb(η‐C5H4SiMe3)2Cl2), (Nb(η‐C5H4SiMe3)2(O)Me), and (Nb(η‐C5H4SiMe3)2(C6F5)(CO)).
Authors: ANTINOLO A. , MARTINEZ DE ILARDUYA J. , OTERO A. , ROYO P. , MANOTTI LANFREDI A. M. , TIRIPICCHIO A.
Published: May 2016

The complexes (I) are reduced with Na‐Hg in the presence of CO (II) to give the carbonyl‐Nb(III) complexes (III).
ChemInform Abstract: Synthesis and Spectroscopic Properties of the ′Mixed′ Seven‐Coordinate Complexes (MI2(CO)3L(L′)) (M: Mo or W; L,L′: PPh3, PPh2(C6H11), PPh(C6H11)2, AsPh3, or SbPh3) and Rearrangement of Selected (MI2(CO)3L(L′)) to (HL) (MI3(CO)3L′). X‐Ray Crystal Structure of (PPh2(C6H11)H) (WI3(CO)3(SbPh3))·Et2O.
Authors: BAKER P. K. , FRASER S. G. , DREW M. G. B.
Published: May 2016

The mixed seven‐coordinate title compounds such as (IV) are prepared by reaction of the bis(acetonitrile) analogues (I) successively with one equiv. L1 and one equiv. L2.
ChemInform Abstract: Protonation versus Oxidation in the Reactions of Trifluoroacetic Acid with Dinuclear Osmium(I) Complexes: Molecular Structure of (Os2(MeCO2)2(μ‐H)(CO)4(PMe2Ph)2) (PF6).
Authors: DEEMING A. J. , RANDLE N. P. , BATES P. A. , HURSTHOUSE M. B.
Published: May 2016

The room temp. reaction between TFA (II) and the hexacarbonyl Os(I) dimer (Ia) gives the monomeric Os(II) compound (III) as a single product, which is also very easily prepared by the direct reaction of TFA with Os3(CO)12 at above 160 °C. However, the acid (II) protonates the more basic derivatives (Ib) to afford the hydrido complexes (IV), which are stable to an excess of TFA.
ChemInform Abstract: Absorption Spectra, Luminescence Properties, and Electrochemical Behavior of Two New Cyclometalated Platinum(II) Complexes.
Authors: SANDRINI D. , MAESTRI M. , CIANO M. , BALZANI V. , LUEOEND R. , DEUSCHEL‐CORNIOLEY C. , CHASSOT L. , VON ZELEWSKY A.
Published: May 2016

The title investigations are carried out for the two complexes (I) and (II) and the results are compared with those concerning the free protonated ligands and the previously studied complex (III).
ChemInform Abstract: Enantiospecific Synthesis of Polyhydroxylated Indolizidines Related to Castanospermine. Part 1. 1‐Deoxy‐castanospermine.
Authors: HENDRY D. , HOUGH L. , RICHARDSON A. C.
Published: May 2016

The D‐glucose derivative (I) is converted to the title compound (VIII) as shown.
ChemInform Abstract: Enantiospecific Synthesis of Polyhydroxylated Indolizidines Related to Castanospermine. Part 2. (6R,7S,8aR)‐6,7‐Dihydroxyindolizidine and (6R,7R,8S,8aR)‐6,7,8‐Trihydroxyindolizidine.
Authors: HENDRY D. , HOUGH L. , RICHARDSON A. C.
Published: May 2016

The title compound (X) can be synthesized starting from the D‐glucose derivative (I) via the intermediate (VI) as shown.
ChemInform Abstract: Chemistry of 6H‐Pyrido(4,3‐b)carbazoles. Part 13. Syntheses of Ring‐A‐ and Ring‐D‐substituted Ellipticines.
Authors: SAINSBURY M. , SMITH A. D. , VONG K. K. , SCOPES D. I. C.
Published: May 2016

The 3‐hydroxymethylpyridocarbazole (III) is prepared starting from the carbazole (I) using a modified Cranwell‐Saxton approach to ellipticines.
ChemInform Abstract: Anodic Oxidation of Lead in Aqueous Carbonate Solutions. Part 1. Film Formation and Dissolution at pH 12.
Authors: SHOESMITH D. W. , BAILEY M. G.
Published: May 2016

Electrochemical and XRD data of the solid film resulting from the anodic oxidation of Pb in carbonate solution of pH 12 show that two distinct layers are formed on the surface: a compact layer composed of plumbonacrite, Pb10O(OH)6(CO3)6 (I), and hydrocerussite, Pb3(OH)2(CO3)2 (II), and a more dispersed layer of (II).
ChemInform Abstract: Kinetics and Mechanism of the Silver(I) Oxide to Silver(II) Oxide Layer Electrooxidation Reaction
Authors: SALVAREZZA R. C. , GOMEZ BECERRA J. , ARVIA A. J.
Published: May 2016

are studied under potentiodynamic and potentiostatic conditions.
ChemInform Abstract: Formation of Chlorine‐Fluorine and Nitrogen‐Fluorine Bonds Using Carbonyl Difluoride as the Fluorinating Agent.
Authors: SCHACK C. J. , CHRISTE K. O.
Published: May 2016

The formation of Cl‐F and N‐F bonds usually requires relatively powerful fluorinating agents and previously has not been achieved with a fluorinating agent as mild as COF2.
ChemInform Abstract: Acetals of Lactams and Acid Amides. Part 53. Enamidines in the Synthesis of Substituted Pyridine and Pyrimidines.
Authors: DOZOROVA E. N. , SOLO'EVA N. P. , GRANIK V. G.
Published: May 2016

The α‐cyano‐β‐aminocrotonate (I) reacts with the DMF acetal (II) to give the condensation product (III) which is coupled with the primary amines (VI), producing the dihydropyrimidines (VII).
ChemInform Abstract: Acyl Transfer Reactions with Phosphine Oxides: Synthesis of E‐Homoallylic Alcohols, Cyclopropyl Ketones, and γ‐Hydroxy Ketones.
Authors: WALLACE P. , WARREN S.
Published: May 2016

The esters (VII) rearrange in base by O to C acyl transfer to give hydroxy ketones which are mixtures of the open (VIII) and cyclic hemiacetal forms (IX).
ChemInform Abstract: Evaluation of Tributylgermanium Hydride as a Reagent for the Reductive Alkylation of Active Olefins with Alkyl Halides.
Authors: PIKE P. , HERSHBERGER S. , HERSHBERGER J.
Published: May 2016

The reductive alkylation of acrylonitrile (II) or cyclohexenone (V) by alkyl halides such as (I) using Bu3GeH is systematically evaluated.
ChemInform Abstract: Chemistry of Pentavalent Organobismuth Reagents. Part 12. Synthesis of Isoflavanones and 3‐Aryl‐4‐hydroxycoumarins.
Authors: BARTON D. H. R. , DONNELLY D. M. X. , FINET J.‐P. , STENSON P. H.
Published: May 2016

The arylation of the chromanone (I) using arylbismuth reagents such as (II) gives the diphenyl derivative (III) as the exclusive or preponderant product whereas the monophenyl derivative (VIa) can be obtained as the main product from the formyl (IV) or oxalyl (VII) derivatives using, e.g., the Bi(V) species (V).
ChemInform Abstract: Reductive Methylenation of Ketones by the Suspension KOH‐Dimethyl Sulfoxide.
Authors: TROFIMOV B. A. , MIKHALEVA A. I. , PETROVA O. V. , SIGALOV M. V.
Published: May 2016

A novel reaction is observed to proceed between the ketones (I) and the system KOH‐DMSO (II), which affords the allyl alcohols (III) by combined methylenation and hydroxylation of the starting ketones.
ChemInform Abstract: Scope and Mechanism of the Phase‐Transfer Carbonylation of Organic Halides Catalyzed by Pentacarbonyliron to Give Ketones and Carboxylic Acids.
Authors: DES ABBAYES H. , CLEMENT J.‐C. , LAURENT P. , TANGUY G. , THILMONT N.
Published: May 2016

Phase‐transfer carbonylation of benzyl bromide (I) leads to mixtures of the carboxylic acid (III) and the ketone (IV) among a series of other by‐products.
ChemInform Abstract: Oxidation of Aliphatic Alcohols with the System Na2S2O8‐Metal Chloride.
Authors: KAPUSTINA N. I. , LISITSYN A. V. , NIKISHIN G. I.
Published: May 2016

Treatment of the alcohols (I) with the system Na2S2O8‐metal chloride in the presence of H2SO4 produces the chloro acetals (II).
ChemInform Abstract: 4‐Dimethylaminopyridine N‐Oxide as an Excellent Catalyst for Thione to Thiol Rearrangement of Xanthates.
Authors: HARANO K. , KIYONAGA H. , SUGIMOTO S. , MATSUOKA T. , HISANO T.
Published: May 2016

The O,S‐dialkyl dithiocarbonates (I) undergo rearrangement in the presence of 4‐dimethylaminopyridine N‐oxide to give a mixture of the symmetrical and asymmetrical S,S‐dialkyl dithiocarbonates (II) ‐ (IV).
ChemInform Abstract: Stereoselective Synthesis of E‐α,β‐Unsaturated Acids from C,O,O‐Tris‐(trimethylsilyl)ketene Acetal and Aldehydes.
Authors: BELLASSOUED M. , GAUDEMAR M.
Published: May 2016

The tris(trimethylsilyl)ketene acetal (I) reacts with the aldehydes (II) in the presence of ZnBr2 to form the unsaturated silyl esters (III) which are hydrolyzed to give the acids (IV).
ChemInform Abstract: Rearrangement of Imidoyl Nitrates to N‐Nitro Amides: an Intramolecular (1,3)O‐to‐N Migration of a Nitro Group.
Authors: CARVALHO E. , ILEY J. , ROSA E.
Published: May 2016

Treatment of the imidoyl chlorides (I) with silver nitrate (II) results in substitution and rearrangement, forming the N‐nitrocarboxamides (IV) via migration of the nitro group from oxygen to nitrogen.
ChemInform Abstract: Polyspiranes. Part 16. Cascade Rearrangements. Part 11. Synthesis, Structure, Conformation, and Dynamics of Heptacyclo(19.3.0.01,5.05,9.09,13.013,17.017,21)tetracosane ((6.5)Coronane).
Authors: WEHLE D. , SCHORMANN N. , FITJER L.
Published: May 2016

The title compound (VIII) is synthesized by the route shown in the scheme starting from the known ketone (I).
ChemInform Abstract: Synthesis, Spontaneous Racemization, and Photoisomerization of Benzo(e)pyrene 9,10‐Oxide.
Authors: AGARWAL S. K. , BOYD D. R. , DUNLOP R. , JENNINGS W. B.
Published: May 2016

The title epoxide (II), the epoxide (VI) and the diol (VIIa) are prepared for evaluation of mutagenicity.
ChemInform Abstract: Cycloaddition of Vinylindoles to Anellated Indole Derivatives. Part 7. New Regio‐ and Stereocontrolled Reactions of 2‐Vinylindoles with CC‐Dienophiles: Diels‐Alder Reactions, Ene Reactions, and Michael Additions.
Authors: EITEL M. , PINDUR U.
Published: May 2016

2‐Vinylindole (I) reacts with methyl propiolate (II) to give the carbazole (III) via cycloaddition and subsequent elimination of ethylene.
ChemInform Abstract: Autoxidation of Lithio Derivative of 2‐Isoxazolines.
Authors: AURICCHIO S. , RICCA A.
Published: May 2016

The 2‐isoxazolines (I) react with lithium diisopropylamide (II) to give the 4‐lithio‐2‐isoxazolines (III).
ChemInform Abstract: A Novel Synthesis of Precocenes. Efficient Synthesis and Regioselective O‐Alkylation of Dihydroxy‐2,2‐dimethyl‐4‐chromanones.
Authors: TIMAR T. , JASZBERENYI J. C.
Published: May 2016

The trihydroxybenzenes (I) react with the methylbutenoic acid (II) to give the chromanones (III).
ChemInform Abstract: Improved Preparation of Precocene. Part 2. Unexpected Results in the Reduction of Alkoxy Substituted Acetophenones and 4‐Chromanones with Sodium Borohydride.
Authors: TEIXIDOR P. , CAMPS F. , MESSEGUER A.
Published: May 2016

Methoxyhydroquinone (I) undergoes ring closure with the methylbutenoic acid (II) to give the hydroxychromanone (III) which is methylated, forming the methyl ether (V).
ChemInform Abstract: Synthesis of Benzo‐Halogenated 4‐Hydroxy‐2(1H)‐quinolones.
Authors: KAPPE T. , KAREM A. S. , STADLBAUER W.
Published: May 2016

The substituted anilines (I) react with the diethyl malonates (II) at higher temperatures to give the malonic dianilides (III) which are cyclized with an acidic catalyst to yield the 4‐hydroxy‐2‐quinolones (IV).
ChemInform Abstract: N‐Alkylation of 2,2,4‐Trimethyl‐1,2‐dihydroquinoline (I) and Its Dimeric Analogues, e.g. (VI), Under Phase Transfer Catalysis.
Authors: SHIKHALIEV KH. S. , SHMYREVA ZH. V.
Published: May 2016

(SHIKHALIEV, KH.
ChemInform Abstract: Reactions of Thionyl Chloride with C‐Methyl Heterocycles. Part 2. The Formation of (1,2)Dithiolo(3,4‐c)quinolin‐1‐ones and Bis(dichloro(4‐quinolyl)methyl)trisulfanes from 4‐Methylquinolines.
Authors: AL‐SHAAR A. H. M. , LYTHGOE D. J. , MCCLENAGHAN I. , RAMSDEN C. A.
Published: May 2016

The methylquinolines (I) or (IX) react with hot SOCl2 to give the products (III) or (X), respectively.
ChemInform Abstract: Saturated Nitrogen Heterocycles. Part 14. Synthesis and Structure of N‐Substituted Perhydrodicyclopenta(b,e)pyridines.
Authors: KRIVEN'KO A. P. , FEDOTOVA O. V. , NIKOLAEVA T. G. , KOMYAGIN N. T. , YUDOVICH L. M. , STRUCHKOV YU. T. , KHARCHENKO V. G.
Published: May 2016

Catalytic hydrogenation of the methylenebiscyclopentanone in the presence of the amines (II) gives the perhydrodicyclopentapyridines (III).
ChemInform Abstract: Reactions of 4‐Hydroxy‐1,2‐benzoxathiin‐3‐carbaldehyde 2,2‐Dioxide with Amines and Hydrazines.
Authors: LOEWE W. + , MUELLER‐MENKE C. +
Published: May 2016

The sultone (I) reacts with the acetal (II) to yield the enamino ketone (III) which is hydrolyzed to give the α‐hydroxymethylene ketone (IV).
ChemInform Abstract: Pyridazine Derivatives. Part 6. Synthesis and Hypotensive Activity of 3‐Hydrazinethieno(2,3‐h)cinnoline and Its Derivatives.
Authors: GARCIA‐DOMINGUEZ N. , RAVINA E. , SANTANA L. , TERAN C. , GARCIA‐MERA G. , ORALLO F. , CRESPO M. , FONTENLA J.‐A.
Published: May 2016

3‐Hydrazinethieno(2,3‐h)cinnoline (IX) and its derivatives (XI) and (XIII) are prepared according to the reaction scheme.
ChemInform Abstract: Synthesis, Structure, and Hypochromism of Pyrimidinopurinophanes.
Authors: DOYAMA K. , HIGASHII T. , SEYAMA F. , SAKATA Y. , MISUMI S.
Published: May 2016

The structure of the title compounds, e.g. (IV), (V), (VII), (VIII), (XI) and (XII) is confirmed by spectroscopic methods.
ChemInform Abstract: Efficient Formation and Cleavage of Disilanes by Potassium Graphite. Silylation with Silyl Metal Reagents.
Authors: FUERSTNER A. + , WEIDMANN H.
Published: May 2016

The disilane (I) is reductively cleaved with potassium‐graphite laminate under formation of the corresponding silylpotassium compound as the intermediate which reacts with various electrophiles such as (II) or (IV) to give the substituted silanes (III) or (V).
ChemInform Abstract: Synthesis of α‐Aminophosphonic Acids by Pd(0) Alkylation of Diethyl Aminomethylphosphonate Schiff Bases.
Authors: GENET J. P. , UZIEL J. , JUGE S.
Published: May 2016

Imines such as (I), derived from diethyl aminomethanephosphonate, undergo Pd(0)‐catalyzed alkylation with the allylic esters (II) or (IV) or the carbonates (VII) to give the corresponding branched phosphonates, e.g. (III), (V) and (VI), or (VIII) and (IXc).
ChemInform Abstract: Coordination Chemistry of Ruthenium with Chelating Amine Ligands: Synthesis and X‐Ray Structural Study of the N6‐Coordinated Ruthenium(II) Complex of 1,4,8,11‐Tetrakis(2‐pyridylmethyl)‐1,4,8,11‐tetraazacyclotetradecane.
Authors: CHE C.‐M. , TANG W.‐T. , MAK T. C. W.
Published: May 2016

The mononuclear, diamagnetic N6‐coordinated Ru(II) complex (III) is prepared according to the scheme and characterized by X‐ray crystallography (space group P1, Z=2).
ChemInform Abstract: Metallaheteroborane Chemistry. Part 4. The Synthesis of closo‐(2,2‐(PPh3)2‐2‐H‐1,2‐XMB10H10) (X: Se or Te, M: Rh or Ir) Compounds, Their Characterization by NMR Techniques, and the Crystal and Molecular Structure of the X: Te, M: Rh Complex.
Authors: FARIDOON FARIDOON , DHUBHGHAILL O. N. , SPALDING T. R. , FERGUSON G. , KAITNER B. , FONTAINE X. L. R. , KENNEDY J. D. , REED D.
Published: May 2016

The reactions between the complexes (I) and the anions (II) afford the air‐stable title closo‐complexes (III).
ChemInform Abstract: 1‐Methyl(Phenyl)pyrimido(1,2‐a)benzimidazolium and 4‐Phenyl‐1,2,4‐triazolo(1,5‐a)pyrimidinium Compounds.
Authors: CHUIGUK V. A. , MANZHOS A. V.
Published: May 2016

The aminoazoles (I) and (IV) are coupled with the β‐dicarbonyl compounds (II) to give the pyrimidobenzimidazolium salts (III) or the triazolopyrimidinium salts (V).
ChemInform Abstract: Total Synthesis of (.+‐.)‐Pentalenene, (.+‐.)‐Pentalenic Acid, and (.+‐.)‐Deoxypentalenic Acid Through an Intramolecular Double Michael Reaction.
Authors: IHARA M. , KATOGI M. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

Pentalenic acid (XI), its deoxy analogue (XV) and pentalenene (XVI) are regarded as the biosynthetic precursors of pentalenolactone, which has antibiotic activity.
ChemInform Abstract: An Enantioselective Synthesis of (‐)‐Alloyohimban.
Authors: AUBE J.
Published: May 2016

The key step in the synthesis of the alkaloid (VII) mentioned in the title is the photolytic rearrangement of the spiro‐fused oxaziridines (III) to give the decahydroisoquinolinones (IV) and (V).
ChemInform Abstract: Synthesis of Carbocyclic Nucleosides: Preparation of (‐)‐5′‐Homoaristeromycin and Analogues.
Authors: JONES M. F. , ROBERTS S. M.
Published: May 2016

The optically pure title compound (X) and some of its analogues are prepared from L‐ribonolactone (I) using an intramolecular radical cyclization process to form the five‐membered carbocyclic ring (III) with subsequent displacement of a triflate group in (VII) by the base (VIII).
ChemInform Abstract: The Use of Methyl‐Substituted Chiral Synthons in the Synthesis of Pine Sawflies Pheromones.
Authors: LARCHEVEQUE M. , SANNER C. , AZERAD R. , BUISSON D.
Published: May 2016

Key steps in the synthesis of the title pheromone (IX) are the construction of the sulfone (R)‐(IV) (no yield given) and its coupling with the bromide (VII), synthesized via microbial reduction of the ketone (V).
ChemInform Abstract: Heterogeneity of OH Groups in NaH‐ZSM‐5 Zeolite Studied by IR Spectroscopy.
Authors: DATKA J. , BOCZAR M. , RYMAROWICZ P.
Published: May 2016

When homogeneous OH groups (in organic acids, phenol, or SiO2) engage in H‐bonding with aromatic compounds or interact with n‐hexane a sym. and nonsplit IR band is observed.
ChemInform Abstract: Spin Echo Self‐Diffusion Measurements in Molten Salts.
Authors: HERDLICKA C. , RICHTER J. , ZEIDLER M. D.
Published: May 2016

The NMR spin echo technique using pulsed gradients is applied for the first time to the measurement of self‐diffusion coefficients in molten salts.
ChemInform Abstract: Kinetics of Reduction of Silver(II) by Sodium Tetrahydroborate.
Authors: DASGUPTA M. , MAHANTI M. K.
Published: May 2016

The title reaction (overall stoichiometric reaction see scheme) is found to proceed in two steps: formation of an intermediate Ag+ and subsequent reduction of Ag+ to Ag0.
ChemInform Abstract: Surface Properties of Supported Molybdenum Catalysts.
Authors: MASUYAMA Y. , TOMATSU Y. , ISHIDA K. , KURUSU Y. , SEGAWA K.
Published: May 2016

Hexacarbonylmolybdenum(0) catalysts supported on TiO2, Al2O3, ZrO2, MgO, and SiO2 are characterized by using temp.‐programmed decomposition, XPS, and catalytic activity measurements for the CO shift reaction, metathesis, and hydrogenation of alkenes.
ChemInform Abstract: Gas‐Phase Electron‐Transfer Equilibrium Studies on Tetraalkylhydrazines: Geometry Effects on Ionization Thermochemistry, Relaxation Energies, and Ion Solvation Energies.
Authors: NELSEN S. F. , RUMACK D. T. , MEOT‐NER M.
Published: May 2016

Equilibrium constants for electron transfer equilibration between 35 pairs of tetraalkylhydrazines and their cation radicals are measured by high‐pressure mass spectrometry and provide the data allowing calculation of aIP and ΔS° of ionization for 31 tetraalkylhydrazines such as (I)‐(IV).
ChemInform Abstract: X‐Ray Structure of a Sterically Protected 1‐Aza‐3‐phosphaallene.
Authors: YOSHIFUJI M. , NIITSU T. , TOYOTA K. , INAMOTO N. , HIROTSU K. , ODAGAKI Y. , HIGUCHI T. , NAGASE S.
Published: May 2016

The structure of the known 1‐phenyl‐azaphosphaallene (Ia) is determined by X‐ray analysis (space group P1, Z=2); ab initio calculations are carried out for the parent compound HP=C=NH.
ChemInform Abstract: Dynamic Behavior of 1,2‐Annulated Cyclooctatetraenes. Kinetic Analysis of Transition‐State Steric Congestion Involving Neighboring Alicyclic Substituents.
Authors: PAQUETTE L. A. , WANG T.‐Z.
Published: May 2016

Using kinetic data for a range of examined reactions the kinetics of all interconversions between (+)‐ and (‐)‐(I) and (+)‐ and (‐)‐(II) are deduced.
ChemInform Abstract: A Stable, Simple Enol: Ketonization of 2‐Methylprop‐1‐en‐1‐ol in Nonaqueous Solvents.
Authors: CHIN C. S. , LEE S. Y. , PARK J. , KIM S.
Published: May 2016

Addition of cat.
ChemInform Abstract: Synthesis of Polyconjugated Aldehydes Using a New Horner‐Wadsworth‐Emmons Reagent.
Authors: REIN T. , AKERMARK B. , HELQUIST P.
Published: May 2016

The new aldehyde (II), with the carbonyl group protected as cyclohexylimine, is used as Horner‐Wadsworth‐Emmons reagent for the preparation of some dienals such as (V).
ChemInform Abstract: Influencing Reactivity by Monolayer Compression: An Alcohol Dehydration.
Authors: AHMAD J. , ASTIN K. B.
Published: May 2016

The kinetics of the acid‐catalyzed dehydration of octadecanol (I) are examined at the air‐liquid interface.
ChemInform Abstract: Oxidation of O‐Alkylhydroxylamines with Bis((m‐(trifluoromethyl)phenyl)sulfonyl) Peroxide.
Authors: HOFFMAN R. V. , CHRISTOPHE N. B.
Published: May 2016

O‐Substituted hydroxylamines such as (I) are oxidized by the sulfonyl peroxide (II), producing the corresponding alcohol (III) and the aldoxime (IV), together with the salt (V).
ChemInform Abstract: Direct Formation of Functionalized Ketones via the Coupling of Functionalized Organocopper Reagents with Acid Chlorides.
Authors: WEHMEYER R. M. , RIEKE R. D.
Published: May 2016

Treatment of the bromides (I) with the reduced form of triphenylphosphine/cuprous iodide, obtained by lithium naphthalenide reduction, yields reactive organocuprates which are coupled with the acyl chlorides (II) to give the ketones (III).
ChemInform Abstract: Orientation Specific Diels‐Alder Addition of Isoprene to an Activated 4,4‐Dimethylcyclohexenone. An Improved Route to Himachalenes.
Authors: LIU H.‐J. , BROWNE E. N. C. , CHEW S. Y.
Published: May 2016

The Diels‐Alder addition of isoprene (IV) to the enone‐ester (III) proceeds exclusively to the para‐addition product (V).
ChemInform Abstract: Q.S.A.R. of Derivatives of 2,3‐Dihydrobenzofuran‐3‐amines with Plant Growth Inhibiting Properties.
Authors: TURAN‐ZITOUNI G. , BERGE G. , NOEL‐ARTIS A. M. , CHEVALLET P. , FULCRAND P. , CASTEL J.
Published: May 2016

The benzofuranones (I) are converted to their oximes (III) and then reduced, yielding the corresponding 3‐amino derivatives (IV).
ChemInform Abstract: Synthesis of Substituted Benzo(b)thiophenes by Acid‐Catalyzed Cyclization of Phenylthio Acetals and Ketones.
Authors: PLE P. A. , MARNETT L. J.
Published: May 2016

The phenylthioacetaldehyde acetals (I) and the phenylthioacetones (III) are cyclized upon heating with polyphosphoric acid, forming the benzothiophenes (II) and (IV).
ChemInform Abstract: Pyrrolylpolyenes. Part 9. The Synthesis of Pyrrole‐2,3‐dicarbaldehyde.
Authors: MERCEY J. M. , TOUBE T. P.
Published: May 2016

Two routes to (V) are reported, both starting from (I).
ChemInform Abstract: Acetylenic and Allenic Derivatives of 2‐(1‐Methylindolyl)methylamine as Selective Inhibitors of the Monoamine Oxidase A and B.
Authors: CRUCES M. A. , ELORRIAGA C. , ALVAREZ E. F. , CHICO M. T. L. , LOPEZ O. N.
Published: May 2016

1‐Methylindole‐2‐carboxylic acid (I) was converted to the acid chloride (II) which reacts with ammonia or primary amines (III), forming the amides (IV).
ChemInform Abstract: Study on the Metalation of 2‐, 3‐, and 4‐Pivalamidoquinolines.
Authors: GODARD A. , JACQUELIN J.‐M. , QUEGUINER G.
Published: May 2016

The pivalamidoquinoline (III) is prepared by acylation of the aminoquinoline (I) with pivaloyl chloride (II).
ChemInform Abstract: Rearrangement Reactions of Heterocycles. Part 12. Rearrangement of 6‐Substituted Pyrido(1,2‐a)pyrimidines to Isomeric 1,8‐Naphthyridines and Some of Their Further Reactions.
Authors: SCHOBER B. D. , KAPPE T.
Published: May 2016

2‐Amino‐6‐methylpyridine (I) undergoes cyclocondensation with the activated malonates (II) in the presence of triethylamine to give the pyridopyrimidines (III) which are rearranged upon thermolysis to yield the 1,8‐naphthyridines (IV).
ChemInform Abstract: The Chemistry of Pyrimidinethiols. Part 2. The Preparation and Reactions of Some 2‐Arenecarbonylmethylthiopyrimidines.
Authors: HURST D. T. , BEAUMONT C. , JONES D. T. E. , KINGSLEY D. A. , PARTRIDGE J. D. , RUTHERFORD T. J.
Published: May 2016

Thermal treatment of the title pyrimidine derivatives (III) leads to extrusion of sulfur and formation of the products (IV).
ChemInform Abstract: Cyclic Homologs of Xanthines. Part 1. Imidazo(4,5‐e)(1,4)diazepine‐5,8‐diones.
Authors: BRIDSON P. K. , WEIRICH T. P.
Published: May 2016

7‐Benzyltheophylline (I) reacts with ethyl bromoacetate (II) and bases, yielding the aminoimidazole (IV) via the intermediate (III).
ChemInform Abstract: 2,2′,7,7′‐Tetrahydroxy‐1,1′‐binaphthyl: A Versatile Chiral Spacer for Mono‐ and Ditopic Cyclophane Hosts with Apolar Binding Sites.
Authors: DIEDERICH F. , HESTER M. R. , UYEKI M. A.
Published: May 2016

The hosts (VII) and (VIII) which are prepared as shown in the scheme or analogously, can form complexes with arenes such as (IX).
ChemInform Abstract: Palladium‐Catalyzed Synthesis of Bis(phosphinates) and Bis(phosphine Oxides) with Tetra‐ and Hexamethylene Bridges.
Authors: XU Y. , WEI H. , XIA J.
Published: May 2016

The bis‐phosphinates (IV) react with the aryl bromides (V) to give the bis‐phosphinates (VI).
ChemInform Abstract: Titanium(0)‐Arene Complexes: Synthesis and X‐Ray Crystal Structure of ((η6‐C10H8)Ti(tBuSi(CH2PMe2)3)).
Authors: GARDNER T. G. , GIROLAMI G. S.
Published: May 2016

An unusually strong metal‐arene back‐bonding characterizes the bonding in the title complex (III).
ChemInform Abstract: Comparative Reactivities of Anionic Group 6 Alkyl, Silyl, and Stannyl Pentacarbonyl Metalates Toward Carbon Dioxide and Sulfur Dioxide. Crystal Structure of (PPN) (W(CO)5Si(CH3)3).
Authors: DARENSBOURG D. J. , BAUCH C. G. , REIBENSPIES J. H. , RHEINGOLD A. L.
Published: May 2016

The silyl and stannyl pentacarbonylmetalates (III) are synthesized as shown for the example (IIIa).
ChemInform Abstract: Modelling the Ammoxidation of Propylene to Acrylonitrile: The Conversion of an Allylimido(2‐) Ligand to an Allylideneamido(1‐) Ligand.
Authors: MAATTA E. A. , DU Y.
Published: May 2016

The allylimido‐W(VI) complex (IV) is obtained according to the scheme.
ChemInform Abstract: Reactivity of 2‐(2‐Hydroxyphenyl)benzothiazoline with the Oxotetrahalometalate(V) Complexes (MOX4)‐ (M: Tc, Re; X: Cl, Br). Synthesis and Characterization of New Oxo‐M(V) Complexes Containing 2‐(2‐Hydroxyphenyl)benzothiazole. Crystal Structure of Tetraphenylarsonium Oxotrichloro(2‐(2‐hydroxyphenyl)benzothiazolato)technetate(V).
Authors: DUATTI A. , MARCHI A. , ROSSI R. , MAGON L. , DEUTSCH E. , BERTOLASI V. , BELLUCCI F.
Published: May 2016

The benzothiazoline (III), the condensation product from (I) and (II), is converted into its oxidized form (IV) by interaction with the five‐coordinate tetrahalooxometalate(V) complexes (VI).
ChemInform Abstract: Ferric Ion Sequestering Agents. Part 19. Synthesis of N‐Alkyl‐3‐hydroxy‐2(1H)‐pyridinones and Coordination Complexes with Iron(III).
Authors: SCARROW R. C. , RAYMOND K. N.
Published: May 2016

The amidation of (I) followed by acid‐catalyzed rearrangements yields the pyridinone (IV), which crystallizes in P21/n with Z=4.
ChemInform Abstract: Binuclear Nickel(II) and Cobalt(II) Complexes of Sexadentate (N6) Phthalazine Ligands. Crystal and Molecular Structures of (μ‐1,4‐Bis((6‐methylpyridine‐2‐carboxaldimino)amino)phthalazine‐N4,N3,μ‐N# 1,μ‐N1A,N3A,N4A)(μ‐chloro)tetraaquodicobalt(II) Trichloride‐4.3‐Water, Co2C22H28Cl4N8O4·4.3 H2O, and (μ‐1,4‐Bis((6‐methylpyridine‐2‐carboxaldimino)amino)phthalazine‐N4,N3,μ‐N# 1,μ‐N1A,N3A,N4A)(μ‐chloro)tetraaquodinickel(II) Trichloride‐4.6‐Water, Ni2C22H28Cl4N8O4·4.6 H2O.
Authors: WEN T. , THOMPSON L. K. , LEE F. L. , GABE E. J.
Published: May 2016

The complexes (I) are prepared from the ligand and metal halogenides in MeOH at reflux temperature.
ChemInform Abstract: Displacement of Carbon‐Bonded Chloranilate from the (Pd(C‐CA)Cl2)2‐ Ion by Hydrochloric Acid.
Authors: JEONG W.‐Y. , HOLWERDA R. A.
Published: May 2016

As part of mechanistic studies of Pd‐C bond cleavage reactions, kinetic measurements on the protonolysis reaction of (I) with HCl (II) at 50 °C are carried out.
ChemInform Abstract: Oxidative Addition of Thiols to a Coordinatively Unsaturated Triplatinum Cluster Complex.
Authors: JENNINGS M. C. , PUDDEPHATT R. J.
Published: May 2016

The 1:1 molar reaction of the μ3‐CO‐bridged triplatinum cluster (I) with the thiols (II) results in the elimination of CO and formation of the μ3‐thiolate‐bridged derivatives (III).
ChemInform Abstract: Verrucarins and Roridins. Part 47. Synthesis of New Unnatural Macrocyclic Trichothecenes: 4‐Epiverrucarin A.
Authors: JEKER N. , TAMM C.
Published: May 2016

Verrucarol (I) is converted to 4‐epiverrucarol (III) as shown.
ChemInform Abstract: Metal‐Ion‐Selective Exchange Resins by Matrix Imprint with Methacrylates.
Authors: KUCHEN W. , SCHRAM J.
Published: May 2016

Cu2+ ions can be removed from waste water selectively and down to levels below the limit of detection with ion‐exchange resins in which Cu(II) methacrylates have been used for their synthesis.
ChemInform Abstract: FTIR Matrix Isolation Study on Gaseous Calcium Dihalide Molecules.
Authors: RAMONDO F. , BENCIVENNI L. , NUNZIANTE CESARO S. , HILPERT K.
Published: May 2016

FTIR spectra of CaF2, CaCl2, CaBr2, and CaI2 vapors (1100‐1700 K), trapped in argon and krypton matrices, are interpreted on the basis of polarizable ion model calculations.
ChemInform Abstract: Four Crystal Structures of Dehydrated Ag+ and Tl+ Exchanged Zeolite A, Ag12‐xTlx‐A, x = 2, 3, 4, and 5.
Authors: KIM D. S. , SONG S. H. , KIM Y.
Published: May 2016

The Ag+ and Tl+ ion exchanged zeolite A crystals are prepared in flowing streams of mixed AgNO3/TlNO3 aqueous solution, followed by dehydration at 350 °C and 2·10‐6 torr (2 d).
ChemInform Abstract: Diffusion Process in Crystalline and Vitreous Li0.75Th0.25F1.75 by NMR Investigations.
Authors: PULCINELLI S. H. , SENEGAS J.
Published: May 2016

7Li and 19F NMR results obtained in the temp. range 273‐400 K show that there is no fluorine diffusion in crystalline Li3ThF7.
ChemInform Abstract: NMR Study of the Intermetallic Phase Li2Ga7.
Authors: TILLARD‐CHARBONNEL M. , BELIN C. , HERZOG‐CANCE M. H.
Published: May 2016

7Li NMR lineshape and relaxation times are measured over the temp. range 133‐445 K. The spin‐lattice relaxation curves of the Li‐deficient compound Li2Ga7 exhibit two minima characteristic of low and high temp. motion modes for Li with activation energies of 0.11 and 0.27 eV, respectively.
ChemInform Abstract: An Ellipsometric and RRDE Study of Iron Passivation and Depassivation in Carbonate Buffer
Authors: SOUTHWORTH P. , HAMNETT A. , RILEY A. M. , SYKES J. M.
Published: May 2016

at pH 9.2 shows the passive film to be a mixture of an inner Fe(II)‐rich region and an outer region containing primarily Fe(III).
ChemInform Abstract: An AC Impedance Study of the De‐Alloying of Fe‐Ni Alloys, and Its Relevance to Chloride SCC of Stainless Steels.
Authors: NEWMAN R. C. , MEHTA A.
Published: May 2016

Electrochemical studies in chloride and sulfate solutions at pH 1 and 80 °C provide evidence for porous de‐alloyed layers in chloride solution but not in sulfate solution.
ChemInform Abstract: Iron ⇌ Calcium Ion Exchange Reaction in Cement Hydration Phase, 11 Å Tobermorite.
Authors: LABHASETWAR N. , SHRIVASTAVA O. P.
Published: May 2016

Tobermorite, a calcium silicate hydrate close to Ca5Si6O18H2·4 H2O, which is formed during the hydration reaction of cements, is shown to act as ion exchanger for iron.
ChemInform Abstract: Structure of A2(HgO2) (A: K, Rb), Rb2(NiO2), and Rb1,4K0.6(NiO2).
Authors: HOPPE R. , BAIER R. , CARL W. , GLAUM H. , UNTENECKER H.
Published: May 2016

Colorless or dichroitic single crystals of the title mercurates and niccolates are prepared as outlined in the scheme ((V), (VIII), and (XI) for the first time).
ChemInform Abstract: Electrochemical 1,2‐Addition of Trifluoromethyl and Acetamide Groups to Methyl Methacrylate.
Authors: UNEYAMA K. , NANBU H.
Published: May 2016

Electrolysis of methyl methacrylate (I) with an excess of trifluoroacetic acid (II) and acetonitrile (III) results in the trifluoroalkylation and amination, producing polyfluoroacetamino acid esters (IV) and (V).
ChemInform Abstract: Stereochemistry of the Epoxidation of Z,E‐Isomeric 1,1‐Dimethoxy‐3‐hexen‐5‐ols and 1,1‐Dimethoxy‐4‐hexen‐3‐ols. Synthesis of 2,6‐Dideoxy‐D,L‐hexose Dimethyl Acetals.
Authors: RAIFEL'D YU. E. , ARSHAVA B. M. , ZIL'BERG L. L. , MAKIN S. M.
Published: May 2016

The stereochemistry of the epoxidation of the title compounds (I), (IV), (VII) and (X) is investigated.
ChemInform Abstract: Influence of Methoxy‐ and Methyl‐Aromatic Substituents on Stereochemistry of the Products in the Acid‐Catalyzed Cyclization of 2‐(2‐Arylethyl)‐1,3,3‐trimethylcyclohexanols: Stereocontrolled Total Synthesis of (.+‐.)‐Nimbidiol and (.+‐.)‐Nimbiol.
Authors: BANIK B. K. , GHOSH S. , GHATAK U. R.
Published: May 2016

The cyclization of the compounds (IIIa), (IIIb) affords, as known, exclusively the trans compounds (IVa), (IVb); (IVc) is now similarly prepared by the method A) from (IIIc), which in turn is accessible from the readily prepared ketone (I).
ChemInform Abstract: Effect of a Clay Support on the Catalytic Epoxidation Activity of a Manganese(III)‐Schiff Base Complex.
Authors: DIXIT P. S. , SRINIVASAN K.
Published: May 2016

The epoxidation of cyclohexene by tert.‐butyl hydroperoxide in the presence of Mn((salen)(H2O))PF6 is accompanied by a free‐radical allylic oxidation, induced by the homolytic decomposition of (II).
ChemInform Abstract: Reactions of Unsaturated Compounds with Iodine and Bromine on γ‐Alumina.
Authors: PAGNI R. M. , KABALKA G. W. , BOOTHE R. , GAETANO K. , STEWART L. J. , CONAWAY R. , DIAL C. , GRAY D. , LARSON S. , LUIDHARDT T.
Published: May 2016

Iodine or bromine on activated alumina are used for halogenation in the solid state.
ChemInform Abstract: 1,3‐Benzodithiole Tetroxide as a CH2‐ 2 Synthon.
Authors: KUENDIG E. P. + , CUNNINGHAM A. F. JUN.
Published: May 2016

Twofold alkylation of the title compound (I) yields the disubstituted derivatives (VI), which undergo reductive ring‐opening to give the dialkylmethylenes (VII).
ChemInform Abstract: α,α‐Dichloroaldehydes and α,α‐Dichlorocarboxylic Acids from Long Chain 1‐Alkanols. Improved Chlorination in the System DMF‐CHCl3‐MgCl2.
Authors: DE BUYCK L. , CASAERT F. , DE LEPELEIRE C. , SCHAMP N.
Published: May 2016

The presence of MgCl2 prevents the formation of alkyl alkanoate side products in the title chlorination reaction of the alkanols (I).
ChemInform Abstract: Reduced Copper‐Catalyzed Conversion of a Mixture of Primary Alcohols and Secondary Alcohols into Esters and Ketones.
Authors: TAKESHITA K. , KAWAMOTO K. , SUGA T.
Published: May 2016

A primary and a secondary alcohol, e.g. (I) and (II), are treated with a copper catalyst at higher temperatures, yielding a complex mixture of oxidation products.
ChemInform Abstract: Exceptional Reactivity of the Aromatic Ring in 8‐Substituted 1‐Naphthol Derivatives. Ready Reduction to Tetralins.
Authors: KIRBY A. J. , PERCY J. M.
Published: May 2016

The peri‐substituted derivative (V) can be prepared only in a poor yield from the methoxynaphthalene (I) via the lithio intermediate (IV).
ChemInform Abstract: Lithium Enolate Additions to the Tropone Nucleus.
Authors: RIGBY J. H. , SENANAYAKE C. H. , REGE S.
Published: May 2016

1,6‐Addition reaction of the lithium enolates of (II) to the tropones (I) yields the dihydrotropones (III).
ChemInform Abstract: Total Synthesis of Sesquiterpenes via Intramolecular Ketene Cycloadditions: Isocomene and α‐cis‐ and α‐trans‐Bergamotenes, an Approach to Seychellene.
Authors: SNIDER B. B. , BEAL R. B.
Published: May 2016

The acid chlorides (II) and (VIII), synthesized from the enones (I) and (VII), cyclize in the presence of a base, forming the cyclobutanones (III) and (IX).
ChemInform Abstract: Amino Derivatives of N,N′‐Di(salicylidene)‐o‐phenylenediamine.
Authors: MEN'SHIKOV S. YU. , KOLENKO I. P. , PETROV L. A. , KODESS M. I.
Published: May 2016

A novel and convenient method of preparation of the title compounds (IV) is described.