bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Syntheses and Spectroscopic and Magnetic Properties of Novel Binuclear Vanadium(III/IV) Complexes. Crystal Structures of (L2V2(μ‐O)(μ‐CH3CO2)2)I2·2 H2O and (L2V2O2(μ‐CH3CO2)2)I2 (L: 1,4,7‐Trimethyl‐1,4,7‐triazacyclononane).
Authors: KOEPPEN M. + , FRESEN G. , WIEGHARDT K. , LLUSAR R. M. , NUBER B. , WEISS J.
Published: May 2016

Hydrolysis of (III) in aqueous sodium acetate solution under anaerobic conditions yields the binuclear complex (V), which is characterized by X‐ray analysis (space group P21/c, Z=4).
ChemInform Abstract: Concealed Induced Internal Electron‐Transfer Reaction in the Synthesis of (WO(S2)(S2CNEt2)2) from (Et2NH2)2WOS3 and CS2 with O2.
Authors: ANSARI M. A. , CHANDRASEKARAN J. , SARKAR S.
Published: May 2016

In the presence of O2 the salt (I) reacts with CS2 (II) to give (III).
ChemInform Abstract: Core Conversion Reactions of Iron‐Sulfur Clusters: Topological Isomer of the Fe6S6‐Prismance Core.
Authors: SNYDER B. S. , REYNOLDS M. S. , NODA I. , HOLM R. H.
Published: May 2016

In searching new routes to high‐nuclearity iron‐sulfur clusters as potential building blocks for homo‐ and heterometal clusters and their topological relationships, a facile reduction core conversion reaction leading from (I) or (IV) to (III) is developed.
ChemInform Abstract: A New Class of Bis(μ‐aryloxy)‐Bridged Dimers with First‐Row Divalent Transition‐Metal Ions. Synthesis and Structural Characterization of the (Et4N)2(M2Cl4(O‐C6H4‐p‐CH3)2) Complexes (M: Mn(II), Fe(II), Co(II), Zn(II), and Cd(II)).
Authors: COUCOUVANIS D. , GREIWE K. , SALIFOGLOU A. , CHALLEN P. , SIMOPOULOS A. , KOSTIKAS A.
Published: May 2016

The crystalline title complexes (I) are obtained by the anaerobic reaction of equimolar amounts of NEt4Cl, the Na salt of p‐cresol, and the appropriate anhydrous, bivalent metal chlorides in refluxing, dry MeCN.
ChemInform Abstract: Transition Metal Phosphido Complexes. Part 15. (DRPE)Ni‐Complexes with PH‐Containing η2‐Coordinated Diphosphene Ligands and the Diphosphorus Complexes ((DRPE)Ni)2P2
Authors: SCHAEFER H. + , BINDER D.
Published: May 2016

(DRPE: R2PCH2CH2PR2).
ChemInform Abstract: Preparation and Characterization of Ternary Copper(II) Complexes Containing Coenzyme PQQ and Bipyridine or Terpyridine.
Authors: SUZUKI S. , SAKURAI T. , ITOH S. , OHSHIRO Y.
Published: May 2016

The title complexes (I) and (II) are prepared by reaction of the coenzyme methoxatin (PQQ) with dinitrato‐bipyridinecopper(II) or dichloro‐terpyridinecopper(II) in aqueous solution at pH 3 to serve as model for the active site in amine oxidases.
ChemInform Abstract: Alternating Exchange in Homonuclear Ferrimagnetic Linear Chains. Tetrakis(tetramethylene sulfoxide)copper(II) Hexahalodicuprate(II) (Halo: Chloro, Bromo): Crystal Structures and Magnetic Susceptibilities.
Authors: LANDEE C. P. , DJILI A. , MUDGETT D. F. , NEWHALL M. , PLACE H. , SCOTT B. , WILLETT R. D.
Published: May 2016

CuBr2 and tetramethylene sulfoxide react in EtOH or PrOH and CuCl2 and the organic ligand in MeOH to give the title complexes (I) (no yield given), which both crystallize in P1 with Z=1.
ChemInform Abstract: Chemistry of O‐Silylated Ketene Acetals: Stereocontrolled Synthesis of 2‐Deoxy‐ and 2‐Deoxy‐2‐C‐alkyl‐erythro‐pentoses.
Authors: KITA Y. , TAMURA O. , ITOH F. , YASUDA H. , KISHINO H. , KE Y. Y. , TAMURA Y.
Published: May 2016

Diastereoselective aldol reaction of isopropylideneglyceraldehydes such as the D‐isomer (I) with the ketene silyl acetals (II) gives the corresponding β‐siloxy esters D‐(III) with predominance of the anti‐isomers.
ChemInform Abstract: Structure and Reactivity of Wyosine (Y‐Nucleoside) and Its Derivatives. Chemical, Kinetic and Spectroscopic Studies.
Authors: GLEMAREC C. , WU J.‐C. , REMAUD G. , BAZIN H. , OIVANEN M. , LOENNBERG H. + , CHATTOPADHYAYA J.
Published: May 2016

The electrophilic and basic behavior of the "left" and "right" imidazole moieties of the tricyclic aglycone in wyosine (Ia) and its triacetate (Ib) are investigated by chemical reactivity and 15N NMR studies.
ChemInform Abstract: Synthesis of 7‐Deaza‐2′,3′‐dideoxyguanosine by Deoxygenation of Its 2′‐Deoxy‐β‐D‐ribofuranoside.
Authors: SEELA F. , MUTH H.‐P.
Published: May 2016

The synthesis of the title compound (IV) is accomplished by Barton deoxygenation via the intermediates (III) or (V).
ChemInform Abstract: Synthesis of D‐erythro‐ and D‐threo‐Sphingosine Derivatives from L‐Serine.
Authors: HEROLD P.
Published: May 2016

The protected serine aldehyde (I) reacts with the Li derivative (II) to afford the erythro‐ or threo‐alkynols (III) or (VII), depending on the conditions used.
ChemInform Abstract: An initio CI Study of the Hydrogen Bibromide Ion
Authors: SANNIGRAHI A. B. , PEYERIMHOFF S. D.
Published: May 2016

(ab initio MRD‐CI calculations of the equilibrium geometry (linear centrosym.
ChemInform Abstract: Electron Paramagnetic Resonance Studies of Dilute Europium‐Ammonia Systems.
Authors: HSU S.‐C. P. , GLAUNSINGER W. S.
Published: May 2016

EPR of Eu2+ is used to investigate the nature of body‐centered‐cubic (bcc) metallic M(NH3)6 compounds (M: Ca, Sr, Ba, Yb) and dilute Eu‐NH3 solutions.
ChemInform Abstract: Application of Scanning Tunneling Microscopy to in situ Studies of Nickel Electrodes Under Potential Control.
Authors: LEV O. , FAN F.‐R. , BARD A. J.
Published: May 2016

It is demonstrated that the title method (STM) can be successfully applied for in situ investigations of potential‐driven phase transitions, e.g., in the area of passivation and corrosion of metals.
ChemInform Abstract: Mode of Lithium Addition to Alumina on Reducibility of Nickel‐Alumina.
Authors: NARAYANAN S. , UMA K.
Published: May 2016

The hydrogen and oxygen uptake of a γ‐Al2O3‐supported Ni catalyst can be improved by modification of the support by single or multiple‐step addition of Li before loading Ni.
ChemInform Abstract: Metal Complexes with S4N4 Ligands: The Structures of Two Complexes of the Composition (TiCl4(S4N4))2.
Authors: THEWALT U. , HOLL K.
Published: May 2016

Using the diffusion technique TiCl4 is slowly treated with S4N4 in CH2Cl2/CCl4 to yield a mixture of the title isomers.
ChemInform Abstract: Convenient Preparation and Structures of Selenometalates MoSe2‐ 4, WSe2‐ 4, and MoSe2‐ 9 from Polyselenide Anions and Metal Carbonyls.
Authors: O'NEAL S. C. , KOLIS J. W.
Published: May 2016

The tetraselenides (IV) obtained by the unexpected reaction outlined in the scheme both crystallize in the monoclinic system, space group C2/c, Z=4.
ChemInform Abstract: Crystal and Molecular Structure of Bis(tricyclohexylphosphine)silver(I) Nitrate and Bis(tricyclohexylphosphine)silver(I) Perchlorate; Correlation of the Structures with the Silver‐Phosphorus Coupling Constants.
Authors: CAMALLI M. , CARUSO F.
Published: May 2016

Both complexes crystallize in the space group P1 with Z=2.
ChemInform Abstract: The Phenomenon of Conglomerate Crystallization. Part 12. Spontaneous Resolution in Coordination Compounds. Part 11. The Structure of Racemic (cis‐α‐Rh(trien)(NO2)2)Cl.
Authors: BERNAL I. , CETRULLO J.
Published: May 2016

The title compound (I) (preparation described) crystallizes in P21/n with Z=4.
ChemInform Abstract: Difluoromethanimine, F2C=NH, a Novel Unstable Molecule.
Authors: BUERGER H. + , PAWELKE G.
Published: May 2016

Treatment of the trifluoromethylamines (I) with triethylamine gives the difluoromethanimines (II).
ChemInform Abstract: Synthesis of Indole and Oxindole Derivatives from N‐β‐Alkenyl‐o‐chloroanilines and N‐β‐Alkenyl‐o‐chloroanilides with Tetrakis(triphenylphosphine)nickel(0) and Zerovalent Pyridine‐Nickel Complexes.
Authors: CANOIRA L. , RODRIGUEZ J. G.
Published: May 2016

N‐Alkenyl‐o‐chloroanilines such as (I) or (V) are cyclized to indole derivatives such as (II), (III), (VI) by use of zerovalent Ni complexes such as the Ni(Py)4 complex formed in situ by the components indicated in the conditions A) of the scheme.
ChemInform Abstract: Reaction of Diphenylsulfilimine with Benzothiopyran‐4‐one 1,1‐Dioxides and Benzothiopyran‐2‐ones.
Authors: BUGGLE K. , FALLON B.
Published: May 2016

While 1‐benzothiopyran‐4‐ones prove to be unreactive to the ylide (II), the corresponding 1,1‐dioxides, e.g. (I), react with (II) to give the aziridines (III); the (I)‐analogue (IV) gives mainly the compound (V) in addition to the (III)‐analogue (VI).
ChemInform Abstract: Synthesis of 2,4‐Diarylureido‐6‐(9‐oxoceramidin‐8‐ylamino)‐s‐triazine Derivatives.
Authors: NAIK N. M. , DESAI K. R.
Published: May 2016

The disperse dyes (IX) are prepared from bromamine acid (I) via coupling with aniline (II) and desulfonation to give 1‐amino‐4‐anilinoanthraquinone (IV).
ChemInform Abstract: Synthesis of 1‐Aryl‐ or 1‐Alkenyl‐3,4‐dimethylsilacyclopenta‐2,4‐dienes (Siloles).
Authors: DUBAC J. , LAPORTERIE A. , MANUEL G. , ILOUGHMANE H. , BETEILLE J. P. , DUFOUR P.
Published: May 2016

Reaction of the dichlorosilanes (I) with the diene (II) gives the silacyclopentenes (III).
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Reactions of 1‐Chloro‐2‐phenyl‐2‐trimethylsilyl‐2‐phosphaethenes with Azides, Nitrilimines, Nitrile Oxides, and Nitrile Ylides.
Authors: MAERKL G. + , TROETSCH‐SCHALLER I. , HOELZL W. +
Published: May 2016

The phosphaethene (I) reacts with the azides (II) to give the triazaphospholes (IV) via the intermediate adducts (III).
ChemInform Abstract: Germylmercurates of Divalent Samarium, Europium, and Ytterbium.
Authors: BOCHKAREV L. N. , ORLOV N. A. , ZHIL'TSOV S. F. , BOCHKAREV M. N.
Published: May 2016

Reaction of the digermylmercury (I) with the lanthanoides (II) and DME (III) yields the title compounds (IV).
ChemInform Abstract: Titanium, Zirconium, and Hafnium Tetrahydroborates as “Tailored” CVD Precursors for Metal Diboride Thin Films.
Authors: JENSEN J. A. , GOZUM J. E. , POLLINA D. M. , GIROLAMI G. S.
Published: May 2016

An extension of a chemical vapor deposition (CVD) approach (published earlier) to the preparation of thin films of TiB2, ZrB2 and HfB2 at exceptionally low temp. (200 °C) and low pressure (10‐4 torr) from precursor compounds such as (I) is described.
ChemInform Abstract: Oxidative‐Addition Reactions of S‐S and Se‐Se Bonds to Mo2 and W2 Quadruple Bonds.
Authors: CANICH J. A. M. , COTTON F. A. , DUNBAR K. R. , FALVELLO L. R.
Published: May 2016

Oxidative‐addition chemistry of the quadruply bonded Mo and W dimers (I) is investigated by using diphenyl disulfide, diphenyl diselenide, dichloromethane, and chlorine as the oxidizing agents.
ChemInform Abstract: Transition‐Metal Silyl Complexes. Part 22. Anionic Silyl Complexes, LnM‐SiR‐ 3, as Equivalents to LnM2‐ in Synthesis. A Novel Route to Carbene Complexes.
Authors: KIRCHGAESSNER U. + , SCHUBERT U.
Published: May 2016

The cyclopropenylidene complexes (III) and (V) are obtained by the reaction of the anionic silyl complexes (I) and (IV) with 3,3‐dichloro‐1,2‐diphenylcyclopropene (II).
ChemInform Abstract: 2,2′‐Bis(6‐(2,2′‐bipyridyl))biphenyl (TET), a Sterically Constricted Tetradentate Ligand: Structures and Properties of Its Complexes with Copper(I) and Copper(II).
Authors: MUELLER E. + , PIGUET C. , BERNARDINELLI G. , WILLIAMS A. F.
Published: May 2016

The synthesis of the new title ligand (VIII) is shown in the scheme.
ChemInform Abstract: Less Common Modes of Coordination in α,ω‐Bis(di‐tert‐butylphosphino)alkane and α,ω‐Bis(di‐tert‐butylphosphino) (Poly)ether Complexes of Rhodium(I).
Authors: TIMMER K. , THEWISSEN D. H. M. W. , MARSMAN J. W.
Published: May 2016

The diphosphines (I) are prepared using a modified literature method.
ChemInform Abstract: Synthesis and Solvolytic Behavior of cis‐(1,1′‐Bis(diphenylphosphino)ferrocene)platinum(II) and ‐palladium(II) Complexes. X‐Ray Structure of Bis(μ‐hydroxy)bis(1,1′‐bis(diphenylphosphino)ferrocene)diplatinum(II) Tetrafluoroborate.
Authors: LONGATO B. , PILLONI G. , VALLE G. , CORAIN B.
Published: May 2016

The complexes (II), (III), and (V) are obtained by stepwise removal of the chloride ligands from compounds (I) in appropriate solvents according to the scheme.
ChemInform Abstract: Coordination Chemistry of Bidentate Tellurium Ligands. Part 1. Complexes of Palladium, Platinum, and Mercury with Large Chelate Rings.
Authors: PATHIRANA H. M. K. K. , DOWNS A. W. , MCWHINNIE W. R. , GRANGER P.
Published: May 2016

The 1:1 molar reaction of Na2PdX4, K2PtX4 (X: Cl, Br), or HgCl2 with the bidentate ligands Ln in acetone leads to the 1:1 complexes (I).
ChemInform Abstract: Four‐ versus Five‐Coordination in Platinum(II) Complexes of α‐Diimines and the Crystal Structure of (PtClMe(iPr‐N=CHCH=N‐iPr)).
Authors: DE FELICE V. , GANIS P. , VITAGLIANO A. , VALLE G.
Published: May 2016

The title complex (III) is obtained by 1:2 molar reaction of the Pt(II) complex (I) with the diimine (II).
ChemInform Abstract: The Preparation and Structure of the Bis‐vinyl Ether Complex Pt(Ph2PCH2CH2PPh2)((MeO2C)C=C(OMe)(CO2Me))2.
Authors: BROWNING C. S. , FARRAR D. H. , NASSIF O. A. , WALKER A.
Published: May 2016

Starting with the complex (I) the diphosphine platinum dication is formed by chloride abstraction.
ChemInform Abstract: Photochemical Methods for the Construction of an Additional Four‐Membered Carbocycle in Steroids
Authors: KAMERNITSKII A. V. , IGNATOV V. N. , LEVINA I. S.
Published: May 2016

Review: (106 refs.
ChemInform Abstract: Synthesis and Crystal Structure of K2U2O7 and Moessbauer (237Np) Studies of K2Np2O7 and CaNpO4.
Authors: JOVE J. , COUSSON A. , GASPERIN M.
Published: May 2016

K2U2O7 single crystals are prepared by heating U3O8, Nb2O5, and excess K2CO3 in air at 1520 K. It crystallizes in the space group R3m, Z=1.5.
ChemInform Abstract: Nature of the 4f Spin in High Tc Superconductors Containing Paramagnetic Rare‐Earth Elements REBa2Cu3O7‐y (RE: Gd, Dy, Ho, Er and Tm).
Authors: MAEDA A. , TAJIMA H. , SATAKE T. , KURODA H. , TAKUI T. , ITOH K.
Published: May 2016

The magnetic properties of single‐phase samples of the title compounds are discussed on the basis of the results of ESR and magnetic susceptibility measurements.
ChemInform Abstract: Catalysis of the Electrochemical Reduction of Cadmium Ions by Chloride Ions. Mechanistic Study in Mixed 1 M KF + KCl Aqueous Solutions at the Dropping Mercury Electrode.
Authors: SOUTO R. M. , SAAKES M. , SLUYTERS‐REHBACH M. , SLUYTERS J. H.
Published: May 2016

As concluded from rate data measured by impedance and demodulation voltammetry with Cl‐ ion acting as the catalyst, the Cd2‐ reduction proceeds according to a CECEC mechanism (C: chemical conversion; E: single electron transfer).
ChemInform Abstract: Corrosion Behavior of AISI 304 Stainless Steel in Methanol‐H2SO4 Mixtures.
Authors: SINGH V. K. , SINGH V. B.
Published: May 2016

During cathodic polarization of the title steel in MeOH containing 0.001‐1 M H2SO4, diffusion controlled behavior is observed, particular in solutions of low acid concentration.
ChemInform Abstract: Inhibition of Steel Corrosion in Hydrochloric Acid with 3‐Phenyl‐2‐propyn‐1‐ol (I).
Authors: GROWCOCK F. B. , LOPP V. R.
Published: May 2016

It is demonstrated that (I) is an excellent corrosion inhibitor for oilfield steel in HCl solution (1‐9M), and the inhibition mechanism is investigated in detail.
ChemInform Abstract: Influence of Framework and Nonframework Aluminum on the Acidity of High‐Silica, Proton‐Exchanged FAU‐Framework Zeolites.
Authors: BEYERLEIN R. A. , MCVICKER G. B. , YACULLO L. N. , ZIEMIAK J. J.
Published: May 2016

Isobutane conversion selectivities and activities are determined for a series of ultrastable FAU materials prepared by steaming/acid extraction in order to study the correlations between catalytic activity and framework composition.
ChemInform Abstract: Solid Solutions of Hydrogen Uranyl Phosphate and Hydrogen Uranyl Arsenate. A Family of Luminescent, Lamellar Hosts.
Authors: DORHOUT P. K. , ROSENTHAL G. L. , ELLIS A. B.
Published: May 2016

It is shown that HUO2PO4·4 H2O and HUO2AsO4·4 H2O are miscible, yielding solid solutions of type (IV).
ChemInform Abstract: Supramolecular Interaction Between Adenosine 5′‐Triphosphate (ATP) and Polycharged Tetraazamacrocycles. Thermodynamic and 31P NMR Studies.
Authors: BIANCHI A. , MICHELONI M. , PAOLETTI P.
Published: May 2016

Potentiometric measurements indicate a complex formation between ATP and (II).
ChemInform Abstract: Membrane Matrix for the Hydrolysis of Amino Acid Esters with Marked Enantioselectivity.
Authors: UEOKA R. , MATSUMOTO Y. , MOSS R. A. , SWARUP S. , SUGII A. , HARADA K. , KIKUCHI J. , MURAKAMI Y.
Published: May 2016

The stereoselective hydrolysis of long‐chain amino acid derivatives such as (I) and its D‐enantiomer in surfactant aggregates can be easily controlled by changing the temp., amino acid sequence in the peptide catalyst, and composition of the aggregates.
ChemInform Abstract: Reaction of Polyfluoroaromatic Compounds with ortho‐ and para‐Aminophenols in Dimethylformamide.
Authors: GERASIMOVA T. N. , KOLCHINA E. F. , KARGAPOLOVA I. YU.
Published: May 2016

Reaction of the fluorobenzenes (I), (V), or (IX) with o‐aminophenol (II) in the presence of bases gives the diphenyl ethers (III), (IV), (VII), (VIII), and (XI).
ChemInform Abstract: 2‐((Trimethylsilyl)methyl)‐1‐(trimethylsilyl)propen‐3‐yl Carboxylates in Cycloaddition. A Novel Approach for Substitutive Cyclopentannulation.
Authors: TROST B. M. , MIGNANI S. M. , NANNINGA T. N.
Published: May 2016

Silylation of the alcohol (I) yields the silyloxy derivative (IIIa), which is readily converted into its acetate (IIIb) or carbonate (IIIc).
ChemInform Abstract: Reaction of Tetrahydrofurfuryl Alcohol with Dimethylamine and/or Hydrogen.
Authors: KLIGER G. A. , LESIK O. A. , RYZHIKOV V. P. , GLEBOV L. S. , LOKTEV S. M.
Published: May 2016

Catalytic hydrogenation of tetrahydrofurfuryl alcohol (I) gives the carbinols (II) ‐ (IV).
ChemInform Abstract: Condensed Heteroaromatic Ring Systems. Part 14. Cyclization of ortho‐Substituted α‐Ethoxycinnamates to Some Heteroaromatics.
Authors: SAKAMOTO T. , KONDO Y. , YAMANAKA H.
Published: May 2016

Cyclocondensation of 2‐iodoaniline (Ia) with ethyl 2‐ethoxyacrylate (II) gives the ethoxyquinoline (III).
ChemInform Abstract: A New Method for the Regioselective Introduction of Trifluoromethyl Groups into Heteroarenes. Part 1. Synthesis of Trifluoromethyl‐Substituted 1,3‐Azoles (Oxazoles, Thiazoles, Imidazoles).
Authors: BURGER K. , GEITH K. , HUEBL D. +
Published: May 2016

The 4,4‐bis(trifluoromethyl)‐substituted hetero‐1,3‐dienes (I) are cyclized upon reaction with tin(II) chloride (II), yielding the azole derivatives (IV) via the heterocyclic tin(IV) chlorides (III).
ChemInform Abstract: Palladium(0)‐Catalyzed Isomerization of α,β‐Epoxy Ketones to β‐Diketones.
Authors: SUZUKI M. , WATANABE A. , NOYORI R.
Published: May 2016

The open‐chain epoxy ketones (I) undergo the title reaction to yield the diketones (II).
ChemInform Abstract: Catalytic Oxidations of Hydroquinones and 1,2‐Diphenylhydrazine in the Presence of (Dibenzo(b,i) (1,4,8,11)tetraazacyclotetradecinato)cobalt(II).
Authors: SAKATA K. , KIKUTAKE T. , SHIGAKI Y. , HASHIMOTO M. , OGAWA H. I. , KATO Y.
Published: May 2016

The title Co complex functions as an efficient catalyst for the oxidation of a variety of hydroquinones (I) and the hydrazine (III).
ChemInform Abstract: Syntheses of Bis(1,2‐dithiol‐ and 1,2‐diselenol)‐3,3′‐ylidenes and 1,3‐Dithietane Derivatives.
Authors: AMZIL J. , CATEL J.‐M. , LE COUSTUMER G. , MOLLIER Y. , SAUVE J.‐P.
Published: May 2016

The title compounds (III) and (VI) are prepared by analogous routes starting from the diselenol (I) and the dithiol (IV), respectively.
ChemInform Abstract: Addition Reaction of Halogens to (1.1.1)Propellane.
Authors: ZEFIROV N. S. , SURMINA L. S. , SADOVAYA N. K. , KOZ'MIN A. S.
Published: May 2016

Reaction of the propellane (I) with the halogenating agents (IIa) or (IIb) gives mixtures of the halides (IIIa) and (IVa) or (IIIb) and (IVb).
ChemInform Abstract: Halogenation of 3‐Hydroxymethylcyclohexene.
Authors: VOLYNSKII N. P. , ZEGEL'MAN L. A. , GORDADZE G. N.
Published: May 2016

3‐Hydroxymethylcyclohexene (V), prepared from cyclohexene (I) via the formals (III) or (VIII), is transformed into the tosylate (X).
ChemInform Abstract: The Nitration of Some Phenyl‐Substituted N‐Heterocycles.
Authors: HURST D. T.
Published: May 2016

Nitration of the phenylpyrazoles (I) and (IV), phenylimidazoles (VI) and (VIII) with HNO3 (II) yields mononitro and/or dinitro derivatives as shown in the reaction scheme.
ChemInform Abstract: Titanium Induced Coupling of Imines to Symmetrical Vicinal (R*,R*)‐Diamines.
Authors: MANGENEY P. , TEJERO T. , ALEXAKIS A. , GROSJEAN F. , NORMANT J.
Published: May 2016

The imines (III) are prepared from the aldehydes (I) and primary amines and are then treated with a low valent titanium species, generated from titanium tetrachloride and magnesium amalgam, yielding the diamines (IV), together with the amines (V).
ChemInform Abstract: Hydroxylation of Alkylphenols by Cerium(IV) in Conjunction with Hydrogen Peroxide and Sodium Dodecyl Sulfate.
Authors: CHAWLA H. M. , SHARMA S. K. , CHAKRABARTY K. , BHANUMATI S.
Published: May 2016

Oxidation of toluene (I) with ceric ammonium nitrate and hydrogen peroxide in the presence of sodium decyl sulfate yields p‐cresol (II) and benzaldehyde (III).
ChemInform Abstract: Palladium‐Catalyzed Carbonylative Coupling of Aryl Triflates with Organostannanes.
Authors: ECHAVARREN A. M. , STILLE J. K.
Published: May 2016

The title reaction of components such as (I) and (II) takes place under relatively mild conditions to give aryl ketones such as (IV); further examples for ketones synthesized in this manner are the compounds (V).
ChemInform Abstract: Cyclobutanediyls: A New Class of Localized Biradicals. Synthesis and EPR Spectroscopy.
Authors: JAIN R. , SPONSLER M. B. , COMS F. D. , DOUGHERTY D. A.
Published: May 2016

Nine triplet cyclobutanediyls (IV) are synthesized and observed by matrix isolation EPR spectroscopy.
ChemInform Abstract: General Approach to the Synthesis of Polyquinenes via the Weiss Reaction. Part 5. Progress Toward the Synthesis of Dicyclopentapentalenes.
Authors: LANNOYE G. , COOK J. M.
Published: May 2016

The synthesis of the tetracyclotetradecanes (IX) and (XI) are described as outlined in the reaction scheme.
ChemInform Abstract: Synthesis and Properties of Some (Phenacylamino)styrenes.
Authors: BARBA N. A. , MANOLE S. F. , KORZHA I. D. , GABR YA.
Published: May 2016

Coupling of the aminostyrenes (I) with the phenacyl bromides (II) gives the phenacylaminostyrenes (IIIa) and (IIIb).
ChemInform Abstract: Reaction of 2H‐1‐Benzopyrans with Organometallic Reagents. Synthesis of 4‐(α,γ‐Dialkyl‐β‐4‐methoxyphenylallyl)resorcins.
Authors: ALBEROLA A. , ANDRES C. , GONZALEZ ORTEGA A. , PEDROSA R. , VICENTE M.
Published: May 2016

Reductive cleavage of the benzopyrans (I) with diisobutylaluminum hydride gives the o‐allylphenols (II).
ChemInform Abstract: Experiments Toward the Preparation of Some Binaphthalene Derivatives.
Authors: BRADSHAW J. S. , GOLIC L. , TISLER M.
Published: May 2016

In order to obtain binaphthalenes the oxidative dimerization of some naphthalene derivatives is studied.
ChemInform Abstract: The Stereoselective Synthesis of Substituted 1‐Hydroxyazetidines.
Authors: VAN ELBURG P. A. , REINHOUDT D. N. , HARKEMA S.
Published: May 2016

Reaction of the cyclic nitrones (I) or (IV) with the organo‐Mg halides (II) gives rise to the N‐hydroxy‐azetidines (III) or (V), with the nucleophilic addition from the less hindered side of the molecule.
ChemInform Abstract: Reactivity of N‐Substituted 2‐Chlorobenzimidazoles Towards Nucleophiles.
Authors: N'DIAYE I. , MAYRARGUE J. , COMBET‐FARNOUX C. , MIOCQUE M.
Published: May 2016

Treatment of the benzimidazole (I) with the alcohol (II) or the amide (V) leads to the expected substitution of the chlorine atom and to unexpected conversion of the propargyl group.
ChemInform Abstract: Synthesis of 13‐Methyl(10)(4,6)pyrimidinophane.
Authors: SAKAMOTO T. , NISHIMURA S. , KONDO Y. , YAMANAKA H.
Published: May 2016

Coupling reaction of the iodopyrimidines (II) and (IV) with the organozinc compounds (I) yields the mono and bis(trimethylsilylalkynylalkyl)pyrimidines (III) and (V).
ChemInform Abstract: Synthesis and Antitubercular Activity of Substituted Styrylquinoxalines.
Authors: KARTSEVA T. V. , OLESHKO O. N. , LAZAREVA L. I. , PREDVODITELEVA G. S. , SHVEDOV V. I. , FILITIS L. N.
Published: May 2016

The styrylquinoxalines (III) and (IV), the derivatives (VII), (VIII), and (X), and the furoquinoxaline (XIII), prepared as shown in the reaction scheme, are tested for their bacteriostatic effect.
ChemInform Abstract: Synthesis of Indeno(1,2‐c) (1,2λ4,6)thiadiazines from S,S‐Dialkylsulfur Diimides.
Authors: RIED W. , JACOBI M. A.
Published: May 2016

The reaction of S,S‐dialkylsulfur diimides (I) with (II), (V) or (X) leads to N‐monosubstituted dialkylsulfur diimides such as (III), (VI) or (XI) in good to excellent yields.
ChemInform Abstract: Synthesis and Pharmacological Activity of 3H,10H‐(1,4)Diazepino(2,3‐g)indoles.
Authors: CHETVERIKOV V. P. , TITOV G. A. , BUNDEL' YU. G. , LUK'YANOVA M. S. , KURILENKO V. M.
Published: May 2016

Reduction of the anellated thiadiazoles (I) gives the corresponding 6,7‐diaminoindoles (II) which are cyclized in situ with acetylacetone (III), producing the diazepines (IV).
ChemInform Abstract: Selectivity in an Asymmetric Nitrogen Insertion Process.
Authors: AUBE J. , BURGETT P. M. , WANG Y.
Published: May 2016

The prochiral cyclohexanones (I) are converted to the axially chiral oxaziridines (IV) which are obtained as a mixture of four possible stereoisomers.
ChemInform Abstract: Macrocyclic Receptor Molecules with a Pendant Carboxylic Acid Group for the Complexation of Urea.
Authors: AARTS V. M. L. J. , GROOTENHUIS P. D. J. , REINHOUDT D. N. , CZECH A. , CZECH B. P. , BARTSCH R. A.
Published: May 2016

The crown ethers (I)‐(IV) are prepared by common methods and their pKa values are determined.
ChemInform Abstract: Boron‐Nitrogen Polymer Precursors. Synthesis, Structure, and Stereochemistry of N‐Boryl Derivatives of the 1,3,2‐Diazaboracyclohexane Ring System.
Authors: SHAW S. Y. , DUBOIS D. A. , WATSON W. H. , NEILSON R. H.
Published: May 2016

Further substitution of the ring system (III), prepared as shown starting with (I), yields the product (IV), which crystallizes in the space group P1 with Z=2.
ChemInform Abstract: Reactive E=C(p‐p)π Systems. Part 14. Synthesis and Structure of Phosphaalkenes of the Type F3CP=C(F)NR2.
Authors: GROBE J. , LE VAN D. , NIENTIEDT J. , KREBS B. , DARTMANN M.
Published: May 2016

Perfluoro‐2‐phosphapropene (II) reacts with the sec. amines (I) in the molar ratio of 1:2 to give the title compounds (III).
ChemInform Abstract: Synthesis and Reactivity of Some Organo‐Phosphorus Derivatives of Schiff Bases.
Authors: ABD‐ELLAH I. , IBRAHIM E. , FARAG R.
Published: May 2016

Diphenyl chlorophosphate and diphenylchlorophosphine react with Schiff bases to yield the title compounds (III) and (IV).
ChemInform Abstract: Alkylation of Cyclic and High Polymeric Phosphazenes via Reactions Between Aluminum Alkyls and Aminophosphazenes.
Authors: ALLCOCK H. R. , DESORCIE J. L. , RUTT J. S.
Published: May 2016

The chlorophosphazene (I) reacts with the aluminum alkyls (II) to replace chlorine atoms geminal to the amino groups by alkyl units.
ChemInform Abstract: Insertion Reactions of Diorganotin Oxides with As‐O and As‐Cl Bonded Compounds.
Authors: PANDEY J. N. , SRIVASTAVA G.
Published: May 2016

Functionally substituted, dimeric tetrabutyldistannoxanes (III) and (V) are obtained by the 2:1 molar reaction of dibutyltin oxide (II) with the As compounds (I) or (IV).
ChemInform Abstract: Alkoxy/Halogen Exchange Reaction of Molybdenum Complexes Containing Phosphite with Boron Trihalides.
Authors: NAKAZAWA H. , OHTA M. , YONEDA H.
Published: May 2016

In the reaction of the fac‐Mo complexes (I) containing a phosphite ligand with two equiv. BF3·OEt2 (II) or BCl3 (IV), one or two OR groups of the coordinated phosphite are displaced by one fluoride or two chlorides with geometrical retention or rearrangement producing the fac‐derivatives (III) and the mer‐complex (V), respectively.
ChemInform Abstract: Sulfur‐Capped Triangular Tungsten(IV) Aqua Ion, W3O3S4+ and X‐Ray Structure of K2(W3O3S(N(CH2CO2H)(CH2CO2)2)3)·9 H2O.
Authors: SHIBAHARA T. , TAKEUCHI A. , NAKAJIMA M. , KUROYA H.
Published: May 2016

A new triangular W(IV) aquo ion, W3O3S4+, in which besides S and O atoms the only other ligands are water, is prepared by the reaction of (NH4)2WS4 with K3W2Cl9 in HCl, followed by column chromatography.
ChemInform Abstract: Reactions that Involve Collapse of the “Superphthalocyanine” Dioxocyclopentakis(1‐iminoisoindolinato)uranium(VI) to Either Phthalocyanine or Metal Phthalocyanine.
Authors: SILVER J. , JASSIM Q. A. A.
Published: May 2016

The so‐called "superphthalocyanine" (I) is prepared according to a literature method.
ChemInform Abstract: Synthesis and Characterization of a Mixed‐Valence Binuclear Manganese(II,III) Complex of a Septadentate Polyimidazole Ligand.
Authors: BUCHANAN R. M. , OBERHAUSEN K. J. , RICHARDSON J. F.
Published: May 2016

The Mn(II,III) complex (I) is obtained by reaction of Mn(III) acetate with the septadentate ligand 2,6‐bis(bis((1‐methylimidazol‐2‐yl)methyl)aminomethyl)‐4‐methylphenol and NaClO4 in methanol.
ChemInform Abstract: λ3‐1,3‐Diphosphacyclobutadiene‐Cobalt Complexes by Cyclodimerization of λ3‐Phosphaalkynes.
Authors: BINGER P. , MILCZAREK R. , MYNOTT R. , KRUEGER C. + , TSAY Y.‐H. , RAABE E. , REGITZ M.
Published: May 2016

The phosphaalkynes (II) react with the Co(I) complex (I) or its η5‐indenyl analogue (IV) by displacement of ethene to yield the (η4‐1,3‐diphosphacyclobutadiene)‐Co(I) complexes (III) and (V), respectively.
ChemInform Abstract: Synthesis of Bis(3,4‐dimethylcyclopentadienyl)acetylene and Bridged Metallocenes (η5‐C5Me5)M((η5‐C5H2Me2)CC(η5‐C5H2Me2))M(η5‐C5Me5)(M: Fe, Ni) Derived Therefrom.
Authors: BUNEL E. E. , VALLE L. , JONES N. L. , CARROLL P. J. , GONZALEZ M. , MUNOZ N. , MANRIQUEZ J. M.
Published: May 2016

The synthesis of the binuclear cyclopentadienyl ligand (III) is reported starting from (I).
ChemInform Abstract: Aryldiazenide Complexes. Synthesis and X‐Ray Structure of trans‐Chlorobis(triphenylphosphine)((p‐methoxyphenyl)diazenido)rhodium Tetrafluoroborate‐Bis(dichloromethane), (RhCl(PPh3)2(p‐N2C6H4OMe)) (BF4)·2 CH2Cl2.
Authors: EINSTEIN F. W. B. , JONES R. H. , ZHANG Y.‐M. , SUTTON D.
Published: May 2016

The 1:2 molar reaction of the Rh(I) dimer (I) with the diazonium salt (II) leads to the formation of the square‐planar Rh(I) complex (III) isolated as its bis(acetone) solvate.
ChemInform Abstract: Arene(phosphane)metal Complexes. Part 14. Synthesis of η5‐Cyclohexadienyl‐ and η4‐Cyclohexa‐1,3‐diene Osmium Complexes from (C6H6OsI(PR3)2)PF6.
Authors: ZENKERT K. , WERNER H.
Published: May 2016

The reaction of (I) with NaBH4 in ethanol yields not the substitution products; instead the ring addition derivatives (II) are formed.
ChemInform Abstract: Synthesis of Three Isotopomers of L‐Tryptophan via a Combination of Organic Synthesis and Biotechnology.
Authors: VAN DEN BERG E. M. M. , BALDEW A. U. , DE GOEDE A. T. J. W. , RAAP J. , LUGTENBURG J.
Published: May 2016

The three title compounds (III) and (IV), specifically labeled at N‐1, C‐2, and C‐3, are prepared on a gram scale as exemplified in the scheme for (II).
ChemInform Abstract: In vitro Evaluation of Bacteriostatic Activity of Metal Complexes of Amodiaquine and Primaquine.
Authors: WASI N. , SINGH H. B.
Published: May 2016

Complexes of the title compounds (I) and (II) with 16 metal ions (VO, Co, Cu, Ni, Fe, Zn, Hg, Cd, Cr, Pt, Ag, Mn, Sn, Au, Pd, Rh) are screened for their bacteriostatic activity against five human pathogenic bacterial strains (E. coli, S. aureous, S. typhi, Ps.
ChemInform Abstract: Electrocatalytic Effects of Redox Polymer Films on the Reduction of O2 on Silicon Semiconductors.
Authors: HOLDCROFT S. , MORRISON S. R. , FUNT B. L.
Published: May 2016

The electrocatalysis of oxygen reduction at n‐ and p‐type silicon semiconductors coated with polymer films containing anthraquinone entities (PAQ) is investigated in aprotic solution (Et4NClO4 in DMSO).
ChemInform Abstract: Tungsten Disulfide: A Novel Hydrogen Evolution Catalyst for Water Decomposition.
Authors: SOBCZYNSKI A. , YILDIZ A. , BARD A. J. , CAMPION A. , FOX M. A. , MALLOUK T. E. , WEBBER S. E. , WHITE J. M.
Published: May 2016

SiO2‐supported WS2 (I) is prepared by the reaction of WO3/SiO2 with H2S at 300 °C. XRD, AES, and XPS results show the existence of residual tungsten oxides in addition to hexagonal (I).
ChemInform Abstract: Asymmetric Nitrogen. Part 67. Geminal Systems. Part 41. Chiroptical Properties of N‐Chloro and N‐Bromo Derivatives of Three‐Membered Nitrogen Heterocycles: Aziridines and Diaziridines.
Authors: SHUSTOV G. V. , KADORKINA G. K. , KOSTYANOVSKY R. G. , RAUK A.
Published: May 2016

The CD spectra of 13 aziridines and diaziridines such as (I)‐(V) (prepared by conventional methods) are measured.
ChemInform Abstract: Angle Dependence of the Properties of the (Fe2X)4+ Bridge Unit (X: O, S): Structures, Antiferromagnetic Coupling, and Properties in Solution.
Authors: MUKHERJEE R. N. , STACK T. D. P. , HOLM R. H.
Published: May 2016

The effects of changing the bridge angle in the bridges Fe‐Z‐Fe (Z: O, S) as they occur in complexes of type (I) are investigated.
ChemInform Abstract: Photocycloaddition of Ethenes to Cyanoanisoles.
Authors: AL‐JALAL N. , GILBERT A. , HEATH P.
Published: May 2016

Photoreaction between 4‐cyanoanisole (I) and the cycloalkene (II) yields the meta cycloadduct (III) by 2,6‐attack.
ChemInform Abstract: A New Synthetic Route to β‐Bromoprop‐2‐ynyl Mixed Acetals and Bromovinyl Bisallyl Mixed Acetals, Precursors of α‐Methylene‐γ‐butyrolactones.
Authors: DULCERE J. P. , MIHOUBI M. N. , RODRIGUEZ J.
Published: May 2016

The (cyclo)alkenes (I) are converted into the bromo acetylenes (VI) which undergo radical‐induced cyclization, producing the methoxymethylenetetrahydrofurans (VII).
ChemInform Abstract: Photoaddition and Photoreduction of Chloranil with Arenes via Singlet and Triplet Excited Complexes: Effects of Irradiation Wavelength and Radical Ion Pair Spin Multiplicity.
Authors: JONES G. II , HANEY W. A. , PHAN X. T.
Published: May 2016

The photochemistry of chloranil (I) in the presence of the arenes (II) (or acenaphthene) is investigated.
ChemInform Abstract: Benzyne, Cyclohexyne, and 3‐Azacyclohexyne and the Problem of Cycloalkyne versus Cycloalkylideneketene Genesis.
Authors: WENTRUP C. , BLANCH R. , BRIEHL H. , GROSS G.
Published: May 2016

The question if benzyne (III) really interconverts with the carbene (IV) as is reported is studied by flash vacuum pyrolysis of a range of corresponding substrates.
ChemInform Abstract: Electroorganic Chemistry. Part 111. New Synthesis of β‐Amino Acids by Nucleophilic Addition of Enolate Anions to N‐Methoxycarbonylimines Generated from α‐Methoxy Carbamates.
Authors: SHONO T. , KISE N. , SANDA F. , OHI S. , TSUBATA K.
Published: May 2016

The α‐methoxycarbamates (I) react with the acetates (II) in the presence of a base to give the β‐amino acid derivatives (III).
ChemInform Abstract: Reaction of 3,5‐Diphenyl‐1,2‐dithiolium‐4‐olate (II) with Aniline (III): Crystal Structure of 1‐Phenylimino‐2‐phenylamino‐3‐phenylindene (I).
Authors: MCKINNON D. M. , CLARK P. D. , MARTIN R. O. , DELBAERE L. T. J. , QUAIL J. W.
Published: May 2016

Contrary to the literature (Chinone et al., 1972) (II) reacts with aniline (III) (redistilled) to the dark red indene (I) (space group C2/c with Z = 8) and with unpurified aniline (III) to (I) and the violet (VIa).
ChemInform Abstract: Reactivity of 4‐Thioxo‐2‐azetidinones.
Authors: SCHAUMANN E. , MOELLER M. +
Published: May 2016

Alkylation of (I) under various conditions demonstrates that charge and thermodynamic control favor in most cases attack on nitrogen to give (IV) rather than (III).
ChemInform Abstract: Lactam Acetals. Part 15. Reaction with Grignard Reagents.
Authors: SINGH J. , SARDANA V. , ANAND N.
Published: May 2016

The reaction of the N‐methylpyrrolidine (III) with the Grignard reagents (II) and (IV) yields the products (I) and (V), respectively.
ChemInform Abstract: Cyclopropapyrrolo(1,2‐a)indoles.
Authors: JONES G. B. , MOODY C. J.
Published: May 2016

N‐Alkylation of 2‐formylindole (I) with the bromides (II), followed by reaction with tosylhydrazine (IV), yields the allylhydrazones (V).
ChemInform Abstract: Abnormal Base Catalyzed Reaction of Formaldehyde and Benzaldehydes with 1‐(2‐Hydroxyphenyl)‐3‐phenyl‐1,3‐propanedione.
Authors: JOGLEKAR S. J. , SAMANT S. D.
Published: May 2016

The 2‐hydroxyphenyl‐3‐phenyl‐1,3‐propanediones (I) react with formaldehyde (III) in the presence of the piperazines (II) to give the macrocycles (IV) via a complex intermediate containing the base.
ChemInform Abstract: N,N‐Diethylamidofluorochlorophosphite.
Authors: KROLEVETS A. A. , ANTIPOVA V. V. , POPOV A. G. , MARTYNOV I. V.
Published: May 2016

The title compound (II) is prepared from O‐methyl diethylamidochlorophosphite (I) and zinc fluoride.
ChemInform Abstract: Aluminum and Gallium Compounds of 3‐Hydroxy‐4‐pyridinones: Synthesis, Characterization, and Crystallography of Biologically Active Complexes with Unusual Hydrogen Bonding.
Authors: NELSON W. O. , KARPISHIN T. B. , RETTIG S. J. , ORVIG C.
Published: May 2016

The hygroscopic tris(3‐hydroxy‐4‐pyridinonato) complexes (I) are prepared by 1:3 molar reaction of Al(NO3)3·9 H2O, AlCl3 and GaCl3 with appropriate 3‐hydroxy‐4‐pyridinones in aqueous solution at pH 9. They are characterized by 1H, 27Al NMR, and IR spectral data.
ChemInform Abstract: Actinoid Bis(porphyrinate) π‐Radical Cations and Dications, Including the X‐Ray Crystal Structure of ((TPP)2Th) (SbCl6).
Authors: GIROLAMI G. S. , MILAM S. N. , SUSLICK K. S.
Published: May 2016

The Th complex (Ia) is obtained from Th(NEt2)4 and tetraphenylporphyrin in a manner known from (Ib).
ChemInform Abstract: Synthesis of Cr(tacn)X3 Compounds (tacn: 1,4,7‐Triazacyclononane). Photochemistry and Emission Properties of the Triisothiocyanate.
Authors: KIRK A. D. , NAMASIVAYAM C.
Published: May 2016

The novel complexes (IIIb)‐(IIId) are obtained by metathesis reactions of (IIIa), which in turn is prepared from (I) as shown.
ChemInform Abstract: Coupling of Metal Centers by Linearly Bridging, π‐Bonded Ligands: p‐Phenylenediimido Dimolybdenum Complexes.
Authors: MAATTA E. A. , DEVORE D. D.
Published: May 2016

Complex fragments having metal centers in high oxidation states can be coupled with the linearly bridging p‐phenylenediimido ligand.
ChemInform Abstract: Heterobimetallic Complexes with (μ‐Phenoxo)bis(μ‐carboxylato) Cores.
Authors: BOROVIK A. S. , QUE L. JUN. , PAPAEFTHYMIOU V. , MUENCK E. + , TAYLOR L. F. , ANDERSON O. P.
Published: May 2016

Methanolic solutions of the heptadentate ligand react with one equiv. of Fe(NO3)3, one equiv. ZnBr2 and 3 equiv. of carboxylate followed by anionic metathesis with excess NaBPh4 to give (Ia) which crystallizes in P1 with Z=2.
ChemInform Abstract: Zirconium Borohydride as a Zirconium Boride Precursor.
Authors: RICE G. W. , WOODIN R. L.
Published: May 2016

The applicability of Zr(BH4)4 (I) as starting material in ZrB2 synthesis is demonstrated by a variety of methods, including conventional CVD, laser CVD with both continuous wave and pulsed lasers.
ChemInform Abstract: Purity of Aluminum Hydroxide Derived from Triethylaluminum.
Authors: TEBBE F. N. , MORRIS P. A. , FRENCH R. H. , CHOWDHRY U. , COBLE R. L.
Published: May 2016

It is demonstrated that Al(OH)3 and Al2O3 prepared from commercial, productiongrade AlEt3 contain significantly lower amounts of metal ion impurities (Th and U below the detection limits of 1‐9 ppb, Fe: ∼ 1 ppm) Si: 1‐3 ppm) than Al oxides prepared from mineral sources.
ChemInform Abstract: High‐Temperature Behavior of Chemically Treated Silicon Nitride Powders.
Authors: HERMANSSON L. A. G. , BURSTROEM M. + , JOHANSSON T. , HATCHER M. E.
Published: May 2016

Si3N4 powders are leached in different acids (HCl, HNO3, HF, and mixtures thereof), subsequently sintered by hot isostatic pressing with 2.5% yttria, and the high‐temp.
ChemInform Abstract: 27Al NMR Study on the Interaction Between Aluminate and Silicate Ions in Alkaline Solution
Authors: YOKOYAMA T. , KINOSHITA S. , WAKITA H. , TARUTANI T.
Published: May 2016

indicates a strong dependence of aluminate‐silicate interaction on the NaOH concentration.
ChemInform Abstract: Crystal Structure of Ba3In2O6.
Authors: MADER K. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the title compound (III) are grown as shown in the scheme.
ChemInform Abstract: Anodic Oxidation of UO2. Part 5. Electrochemical and XPS Studies of Film‐Growth and Dissolution in Phosphate‐Containing Solutions.
Authors: SHOESMITH D. W. , SUNDER S. , BAILEY M. G. , WALLACE G. J.
Published: May 2016

The anodic oxidation of UO2 is studied in aqueous Na2HPO4 solutions over the pH range 4‐11. The early stages of oxidation resulting in the formation of an UO2.33 film are unaffected by the presence of phosphate, but phosphate concentrations of ≧ 0.1 M PO43‐ prevent the formation of higher oxide films which form in phosphate‐free solutions at higher oxidation potentials.
ChemInform Abstract: Characterization and Catalytic Studies of Y‐Zeolites Coexchanged with Iron and a Second Polyvalent Cation.
Authors: APARICIO L. M. , ULLA M. A. , MILLMAN W. S. , DUMESIC J. A.
Published: May 2016

Y‐zeolites exchanged with both Fe and either Ca, La, Eu, Cr, Mn, Co, Ni, or Cu are characterized by magnetic susceptibility measurements and Moessbauer spectroscopy and their catalytic activities for oxidation of CO with NO and for decomposition of N2O are determined.
ChemInform Abstract: Fe/Mn Oxide Catalysts for Fischer‐Tropsch Synthesis. Part 8. Surface Characterization of Fe/Mn‐Fischer‐Tropsch Catalysts by Auger‐Electron‐Spectroscopy.
Authors: HESS D. , PAPP H. , BAERNS M.
Published: May 2016

A method for the quantification of Auger electron spectra is developed and it is demonstrated that AES can be used for the quantitative determination of the surface composition of Fe/Mn oxide catalysts.
ChemInform Abstract: Thermolysis and Mass Spectra of Polymeric Germanium Hydride Produced by γ‐Radiolysis.
Authors: BENZI P. , CASTIGLIONI M. , VOLPE P. , BATTEZZATI L. , VENTURI M.
Published: May 2016

Upon heating solid polymeric Ge hydride, obtained by γ‐radiolysis of GeH4, undergoes two successive weight losses at 463 and 1173 K. At 948 K two crystal phases are formed, one of them being pure Ge.
ChemInform Abstract: Diastereo‐ and Enantioselective Aldol Reactions via α‐Silyl Ketones: Asymmetric Synthesis of the Aggregation Pheromone Sitophilure.
Authors: ENDERS D. , LOHRAY B. B.
Published: May 2016

The silyl ketone (I) is converted to its respective borenolate using the triflate (II); subsequent aldol reaction with aldehydes (III) and oxidative work‐up afford the syn‐aldol adducts (IV) which are desilylated to give the hydroxy ketones (V) of high diastereomeric and enantiomeric purity.
ChemInform Abstract: Synthesis of Some Thieno Analogues of the Protoberberine and Protopine Skeletons. X‐Ray Crystal Structure of 9,10‐Dimethoxy‐5‐methyl‐4,5,6,7,12,13‐hexahydrothieno(3,2‐e) (3)benzazecin‐12‐one.
Authors: BREMNER J. B. , BROWNE E. J. , ENGELHARDT L. M. , JAMES G. S. , WHITE A. H.
Published: May 2016

Whereas the reaction of the tetracyclic compound (IV) (prepared starting from the compounds (I) and (II) via the intermediate (III)) with BrCN (XIII) in H2O, THF, and MgO as base gives rise to the product (V), the reaction of the tetracyclic compound (XI) (prepared starting from the readily available compound (VI) via the intermediate (VII)) under similar conditions effects the desired ring expansion giving the products (X) and (XI).
ChemInform Abstract: Electron‐Transfer Reactions in Cyanine Borate Ion Pairs: Photopolymerization Initiators Sensitive to Visible Light.
Authors: CHATTERJEE S. , GOTTSCHALK P. , DAVIS P. D. , SCHUSTER G. B.
Published: May 2016

Solutions of the cyanine borate (I) in butyl acrylate are stable in the dark but a free‐radical polymerization is initiated by irradiation with visible light.
ChemInform Abstract: Carotenoid Cation Radicals: Electrochemical, Optical, and EPR Study.
Authors: GRANT J. L. , KRAMER V. J. , DING R. , KISPERT L. D.
Published: May 2016

The general aim of the investigation is to determine whether carotenoid cation radicals can be produced, and stabilized, electrochemically.
ChemInform Abstract: Stereoselective Reduction of 2‐Keto Acids to Hydroxy Acids.
Authors: NIKOLAEV V. A. , KORNEEV S. M. , ZHDANOVA O. V.
Published: May 2016

Treatment of the 2‐keto acids (I) with NaBH4 affords the trans‐configurated 2‐hydroxy acids (II) in high stereoselectivity (ca.
ChemInform Abstract: Evidence for the Intermediacy of Chromium‐Ketene Complexes in the Synthesis of β‐Lactams by the Photolytic Reaction of Chromium‐Carbene Complexes with Imines. Use in Amino Acid Synthesis.
Authors: HEGEDUS L. S. , DE WECK G. , D'ANDREA S.
Published: May 2016

By a range of photolytic reactions it is evidenced that pentacarbonylchromium‐carbene complexes on irradiation (at wavelengths which include the metal‐to‐ligand CT absorption (350‐450 nm) of the specific carbene complex) rearrange to intermediate tetracarbonylchromium‐ketene complexes (without forming free ketenes) which may be trapped by nucleophiles with high stereoselectivity what has several important synthetic implications.
ChemInform Abstract: C5O2 (1,2,3,4‐Pentatetraene‐1,5‐dione) a Novel Oxide of Carbon.
Authors: MAIER G. , REISENAUER H. P. , SCHAEFER U. + , BALLI H.
Published: May 2016

The photochemically or thermally induced loss of H2O and CO from the diazoketone (I) reveals the formation of the diketone (II) which can be stored for several days even at room temp. and which releases CO under irradiation to give the butatrienone (III).
ChemInform Abstract: α,β‐Difluorocinnamic Aldehyde and Its Derivatives.
Authors: YAGUPOL'SKII L. M. , CHEREDNICHENKO P. G. , PAZENOK S. V. , KREMLEV M. M.
Published: May 2016

The difluoro‐β‐chlorostyryl derivatives (I) are lithiated and subsequently reacted in situ with N‐formylpiperidine (II) to give the title compound (IIIa) and its derivatives (IIIb)‐(IIId).
ChemInform Abstract: 2‐Alkenyl Aryl Sulfoxides in the Pummerer Reaction.
Authors: FEDOROV N. V. , ANISIMOV A. V. , VIKTOROVA E. A.
Published: May 2016

The Pummerer reaction between the title compounds (I) and the mixed anhydride (II) of trifluoric acid and acetic acid affords the α‐acetoxysubstituted sulfides (III) in fair to good yields.
ChemInform Abstract: Liquid Crystals Containing Fluorine. Part 11. Influence of Electronic Effects of the Terminal Groups on the Mesomorphism of 4′‐Substituted 4‐Perfluoroalkyldiphenyls.
Authors: SHELYAZHENKO S. V. , DRONKINA M. I. , FIALKOV YU. A. , YAGUPOL'SKII L. M.
Published: May 2016

The 4‐perfluorohexyl‐4'‐substituted diphenyls (I)‐(V) are prepared.
ChemInform Abstract: Simple Approach to Furo(3,4‐b)furans, a Novel Diheteropentalene System.
Authors: EBERBACH W. , FRITZ H. , LABER N.
Published: May 2016

The oxiranes (II), which can be obtained starting from the known compound (I), are converted to the novel furofurans (III), (IV) when heated under flash vacuum pyrolysis conditions or by short‐time thermolysis (350 °C, 10 s).
ChemInform Abstract: Improved Syntheses of Substituted Carbazoles and Benzocarbazoles via Lithiation of the (Dialkylamino)methyl (Aminal) Derivatives.
Authors: KATRITZKY A. R. , REWCASTLE G. W. , VAZQUEZ DE MIGUEL L. M.
Published: May 2016

The benzo‐fused N‐(pyrrolidinomethyl)pyrroles (I) and (VI) are selectively lithiated and then substituted with various electrophiles (II) to form the derivatives (III) or (VII) after deprotection.
ChemInform Abstract: Synthesis and Antifungal Activity of Some Allylamine Derivatives.
Authors: BANDIERA T. , ALBINI F. M. , ALBINI E.
Published: May 2016

The nitrile oxides (I) react with the allylamine (II) to form the intermediate aminomethylisoxazolines (III) and the N‐allylbenzamidoximes (IV) which are coupled with the hydroxamic acid chlorides (V), yielding the isoxazolines (VI).
ChemInform Abstract: 6‐ and 8‐Hydroxy‐3,4‐dihydro‐3‐(dipropylamino)‐2H‐1‐benzopyrans. Dopamine Agonists with Autoreceptor Selectivity.
Authors: WISE L. D. , DEWALD H. A. , HAWKINS E. S. , REYNOLDS D. M. , HEFFNER T. G. , MELTZER L. T. , PUGSLEY T. A.
Published: May 2016

Cyclization of the salicylaldehydes (I) with acrylonitrile (II) gives nitriles which are hydrolyzed to form the corresponding carboxylic acids (III).