bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Calixarenes. Part 22. Synthesis, Properties, and Metal Complexation of Aminocalixarenes.
Authors: GUTSCHE C. D. , NAM K. C.
Published: May 2016

Calix(4)arene (I), readily accessible from p‐tert.‐butylcalix(4)arene, reacts smoothly with formaldehyde (III) and various sec. amines, e.g. (II), to yield Mannich bases such as (IV).
ChemInform Abstract: The Synthetic Reactions of Aliphatic Nitro Compounds. Part 25. Formation of 4‐Benzamidoisoxazole Derivatives.
Authors: ZEN S. , HARADA K. , NAKAMURA H. , IITAKA Y.
Published: May 2016

Reaction of the nitrile oxides (III) (generated in situ from the nitro compounds (I)) with the aziridine (II) yields the title compounds (IV).
ChemInform Abstract: Molecular Recognition in Aqueous Media. Conformationally Restricted Water‐Soluble Cyclophanes Derived from 6H,12H‐5,11‐Methanodibenzo(b,f) (1,5)diazocine.
Authors: COWART M. D. , SUCHOLEIKI I. , BUKOWNIK R. R. , WILCOX C. S.
Published: May 2016

The two water‐soluble cyclophanes (IIIa), (IIIb), the title compounds, are synthesized by condensation of the known bis(sulfonamide) (II) with the dibromides (I) which are available by alkylation of the corresponding dihydroxy compound with 1,2‐dibromoethane.
ChemInform Abstract: Synthesis of the 5,6‐Dihydro‐2‐pyrone Moiety of (+)‐Anamarin.
Authors: GILLARD F. , HEISSLER D. , RIEHL J.‐J.
Published: May 2016

The pyrone derivative (VII) which contains the lactonic moiety of (+)‐anamarin is prepared starting from the known furanose (I).
ChemInform Abstract: Transition‐Metal Mediated Asymmetric Synthesis. Part 6. Organometallic Approaches to the Enantiomer Synthesis of Tridachione: A Role for Planar Chirality in Synthesis Design.
Authors: ALEXANDER R. P. , MORLEY C. , STEPHENSON G. R.
Published: May 2016

The complex (I) is converted by a two‐step synthesis into the acyl‐substituted chiral complex (V), which in its optically active form may serve as an intermediate for the synthesis of the antibiotic tridachione (VI).
ChemInform Abstract: PECVD Oxide Step‐Coverage Considerations for Use as an Interlayer Dielectric in CMOS DLM Processing.
Authors: BRADER S. J. H. , QUINLAN S. C.
Published: May 2016

The step‐coverage of plasma‐enhanced CVD oxide layers is studied in detail.
ChemInform Abstract: Synthesis and Complex Forming Activity of Phosphorus Macrocycles
Authors: TSVETKOV E. N. , BOVIN A. N. , SYUNDYUKOVA V. KH.
Published: May 2016

Review: (191 refs.
ChemInform Abstract: The Al(2P)(SiH4) Complex and the Photoreversible Oxidative‐Addition/Reductive‐Elimination Reaction: Al(2P)(SiH4) ⇄ H3SiAlH.
Authors: LEFCOURT M. A. , OZIN G. A.
Published: May 2016

Spectroscopic (UV‐VIS and EPR matrix spectra) and ab initio quantum chemical details for the Al(2P)(SiH4) complex support the view, that the longer, weaker SiH bonds of SiH4 and the existence of low‐lying empty 3d orbitals would open up favorable electronic/structural channels for enhanced interactions with ground state electronic state metal atoms compared to its lighter congener CH4.
ChemInform Abstract: Study of Heteroepitaxy of InP on GaAs by Metalorganic Vapor‐Phase Epitaxy.
Authors: PAK K. , WAKAHARA A. , SATO T. , YOSHIDA A. , YONEZU H. , ITOH N. , TAKAGI Y.
Published: May 2016

Epitaxial layers of InP are grown on GaAs by the title method using Me3In and PH3 in H2 as source materials.
ChemInform Abstract: Metal Ion Substitution Chemistry in the YBaCuO System as a Probe of the Superexchange Pathway.
Authors: JONES R. , EDWARDS P. P. , HARRISON M. R. , THANYASIRI T. , SINN E.
Published: May 2016

The effect of substitution for Cu by Al, Ni, and Zn in the 90 K system YBa2Cu3O7‐δ is investigated with the overall aim of elucidating the nature and mechanism of the superconducting path.
ChemInform Abstract: Novel Beryllates of the Alkali Metals: Na6Be8O11.
Authors: HOPPE R. , SCHULDT D.
Published: May 2016

Single crystals of the title compound are obtained from stoichiometric mixtures of Na2O and BeO (Ni‐tube; 650 °C, 14 d).
ChemInform Abstract: Highly Polydentate Ligands. Part 5. Structures of Alkaline‐Earth Complexes of the Calcium‐Selective Ligand EGTA4‐ (H4EGTA: 3,12‐Bis(carboxymethyl)‐6,9‐dioxa‐3,12‐diazatetradecanedioic Acid).
Authors: SCHAUER C. K. , ANDERSON O. P.
Published: May 2016

(I) crystallizes in P1 with Z=2, (II) in Pccn, Z = 8, (III) in Pca21, Z=12 and (IV) in Pna21, Z=4.
ChemInform Abstract: Metal‐Phenoxyalkanoic Acid Interactions. Part 28. Crystal and Molecular Structures of the Sodium, Ammonium, and Magnesium Complexes of (o‐Phenylenedioxy)diacetic Acid.
Authors: KENNARD C. H. L. , SMITH G. , O'REILLY E. J. , REYNOLDS B. J. , MAK T. C. W.
Published: May 2016

The structures of the polymeric sodium compound (I) (space group P1, Z=2), the ionic ammonium salt (II) (Pbcn, Z=4) containing H bridges between NH4+ and the carboxylate O atoms, and the Mg complex (III)·4 H2O (C2/c, Z = 8) are determined by X‐ray analysis.
ChemInform Abstract: Mononuclear Heterocyclic Rearrangements. Part 15. Kinetic Study of the Amine‐Catalyzed Rearrangement of Some Z‐Arylhydrazones of 3‐Benzoyl‐5‐phenylisoxazole into 2‐Aryl‐4‐phenacyl‐5‐phenyl‐1,2,3‐triazoles in Acetonitrile and in Benzene.
Authors: FRENNA V. , BUSCEMI S. , ARNONE C.
Published: May 2016

The pathway of the catalyzed rearrangement of (Ib) in the presence of Et3N, 1,4‐diazabicyclo(2.2.2)octane (DABCO), and piperidine requires only one molecule of amine.
ChemInform Abstract: Cerium(IV)‐Induced Nitration of Cinnamic Acids. Novel Remote Electrophilic Substitution.
Authors: PETERSON J. R. , DO H. D. , DUNHAM A. J.
Published: May 2016

Treatment of the cinnamic acid (I) with ceric ammonium nitrate (II) in TFA affords the dinitrostyrene (III) via remote ipso substitution of the COOH group by a nitro group.
ChemInform Abstract: A Mechanistic Study of the Mitsunobu Esterification Reaction.
Authors: HUGHES D. L. , REAMER R. A. , BERGAN J. J. , GRABOWSKI E. J. J.
Published: May 2016

This reaction takes place in three steps with inversion of the alcoholic OH group.
ChemInform Abstract: Stereocontrolled Approach to Electrophilic Epoxides.
Authors: METH‐COHN O. , MOORE C. , TALJAARD H. C.
Published: May 2016

Li‐tert.‐butyl hydroperoxide (easily generated by addition of an alkyllithium to anhydrous tert.‐butyl hydroperoxide as exemplified in method A)) is a powerful reagent for the epoxidation of electrophilic alkenes under full stereocontrol.
ChemInform Abstract: Purines, Pyrimidines, and Imidazoles. Part 64. Alkylation and Acylation of Some Aminoimidazoles Related to Intermediates in Purine Nucleotide de novo and Thiamine Biosynthesis.
Authors: MACKENZIE G. , WILSON H. A. , SHAW G. , EWING D.
Published: May 2016

Alkylation of the aminoimidazoles (I) or (V) gives rise to the products (III) + (IV) or (VI) + (VII), respectively.
ChemInform Abstract: Synthesis and Antiprotozoal Activity of a Series of Arylpropenone Derivatives of 5‐Nitroimidazoles.
Authors: OUATTARA L. , DEBAERT M. , CAVIER R.
Published: May 2016

1‐Methyl‐5‐nitro‐2‐imidazolecarboxaldehyde (I) is subjected to condensation reaction with the aryl methyl ketones (II) to give the title compounds (III).
ChemInform Abstract: The Preparation of Optically Active δ2‐Isoxazolines. A Model for Asymmetric Induction in the Non Lewis Acid Catalyzed Reactions of Oppolzer′s Chiral Sultam.
Authors: CURRAN D. P. , KIM B. H. , DAUGHERTY J. , HEFFNER T. A.
Published: May 2016

The optically active isoxazolines (III) and (IV) are obtained by 1,3‐dipolar cycloaddition reaction of the acryloylsultam (I) with the nitrile oxides (II).
ChemInform Abstract: The Preparation and Fungicidal Activity of a Series of Thiazolyl‐ and Isothiazolyl‐diarylcarbinols.
Authors: KATRITZKY A. R. , LAURENZO K. S. , RELYEA D. I.
Published: May 2016

The title compounds (IIIc), (IIIe), (Va) and (Vd) show fungicidal activity in vivo and in vitro.
ChemInform Abstract: Azapropellanes. Part 5. Synthesis of Chiral (Non‐Racemic) 2‐Methyl Azapropellanes.
Authors: MCINTOSH J. M. , ACQUAAH S. O.
Published: May 2016

Starting from (S)‐alanine (I), the optically active piperidone (II) is prepared and its transformation into the azapropellane (IX) is described.
ChemInform Abstract: An Approach to the 3,8‐Diazabicyclo(3.2.1)octane Moiety of Naphthyridinomycin and Quinocarcin via 1,3‐Dipolar Cycloaddition of Photochemically Generated Azomethine Ylides.
Authors: GARNER P. , SUNITHA K. , SHANTHILAL T.
Published: May 2016

The imides (III), prepared from the amines (I), react with methyl azide (IV) to give the triazolines (V).
ChemInform Abstract: Addition Compounds of Bis(trifluoromethyl)mercury with Tetraphenylphosphonium and Tetraphenylarsonium Halides and Thiocyanates.
Authors: KORPAR‐COLIG B. , POPOVIC Z. , BRUVO M. , VICKOVIC I.
Published: May 2016

The 1:1 and 1:2 adducts (I) and (II) are isolated from aqueous solutions of Hg(CF3)2 and (Ph4E)Cl or (Ph4E)Cl/KX (X: Br, I, SCN) and identified by elemental analysis and IR spectroscopy as well as conductivity measurements.
ChemInform Abstract: Synthesis and Characterization of Mo(nor)4 (nor: 1‐Norbornyl).
Authors: KOLODZIEJ R. M. , SCHROCK R. R. , DAVIS W. M.
Published: May 2016

The title compound (III) is isomorphous with the analogous tetrahedral Co compound.
ChemInform Abstract: Carbon‐Carbon Bond Formation in the Reductive Coupling of Nitriles at a Multiply Bonded Dirhenium Center.
Authors: ESJORNSON D. , FANWICK P. E. , WALTON R. A.
Published: May 2016

The triply bonded dirhenium(II) complexes (I) react with nitriles to give products in which a metal‐metal bond is retained.
ChemInform Abstract: Reversible Linkage Isomerization of Pentaamminecobalt(III) Complexes of Urea and Its N‐Methyl Derivatives.
Authors: FAIRLIE D. P. , JACKSON W. G.
Published: May 2016

Specific rates and conditions for the observation of hitherto unrecognized urea‐O to urea‐N isomerization reactions are reported.
ChemInform Abstract: Transition Metal Complexes of Ligands Containing 3,5‐Dimethylpyrazolyl Groups and Thioether Functions. The Crystal and Molecular Structure of (1,12‐Bis(3,5‐dimethylpyrazol‐1‐yl)‐2,11‐diaza‐5,8‐dithiadodecane)nickel(II)‐bis(tetrafluoroborate).
Authors: PAAP F. , DRIESSEN W. L. , REEDIJK J. , SPEK A. L.
Published: May 2016

The 1:1 molar reaction of Co, Ni, or Cd salts with the ligand L1 in EtOH/H2O results in formation of the complexes (I).
ChemInform Abstract: Template Reactions of 1,4‐Bis(α‐carboxybenzylidenehydrazino)phthalazine with Cobalt(II), Nickel(II), and Chromium(III).
Authors: OKUR A. I.
Published: May 2016

The title ligand (yield 55%) is prepared from 1,4‐dihydrazinophthalazine and the methyl ester of phenylglyoxalic acid in MeOH under reflux, followed by hydrolysis.
ChemInform Abstract: A Convenient Synthetic Route to the Monocondensation Products of Pentane‐2,4‐dione and Aliphatic α,ω‐Diamines. Synthesis, X‐Ray Structure and Magnetic Properties of a Trinuclear Copper(II) Complex with 8‐Amino‐5‐aza‐4‐methyl‐3‐octene‐2‐one.
Authors: KWIATKOWSKI M. , KWIATKOWSKI E. , OLECHNOWICZ A. , HO D. M. , DEUTSCH E.
Published: May 2016

The tridentate N2O ligands (III) are prepared by 3:1 molar reaction of the diamines (I) and the diketone (II).
ChemInform Abstract: First Complexes of Cyanogen Halides with Silver(I): Crystal Structure of (Ag(NCCl)2) (SbF6).
Authors: ROESKY H. W. , SCHIMKOWIAK J. , JONES P. G. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

The monomeric bis(cyanogen halide)‐Ag(I) complex salts (III) are obtained by the stoichiometric reaction shown in the scheme.
ChemInform Abstract: Synthesis of Heterodinuclear FeRu(CO)6(R‐DAB(6e)) (R‐DAB: RN=C(H)C(H)=NR). Part 15. Comparison of the Reactivities of Heterodinuclear FeRu(CO)6(R‐DAB(6e)) and Homodinuclear Analogues M2(CO)6(R‐DAB(6e)) (M: Fe, Ru). Single‐Crystal X‐Ray Structures of FeRu(CO)6(iPr‐DAB(6e)) and FeRu(CO)5(iPr‐DAB(4e))(C3H4).
Authors: ZOET R. , VAN KOTEN G. , MULLER F. , VRIEZE K. , VAN WIJNKOOP M. , GOUBITZ K. , VAN HALEN C. J. G. , STAM C. H.
Published: May 2016

The reactions of the 1,4‐diazabutadiene‐tricarbonyl‐Fe complexes (I) with Ru3(CO)12 (II) as well as these of the Ru analogues (IV) with Fe2(CO)9 (V) both afford the binuclear complexes (III).
ChemInform Abstract: Binuclear Rhodium Carbonyl Halide Complexes Containing the 1,1‐Bis(diphenylphosphino)ethene Ligand, and the Crystal Structure of (Rh2Cl2(μ‐CO)(Ph2PC(=CH2)PPh2)2).
Authors: DAWSON R. H. , HARDING M. M. , MAGINN S. , SMITH A. K.
Published: May 2016

The reaction of (I) with the diphosphine (II) is studied and the results are compared with the behavior of similar bis(diphenylphosphino)methane containing complexes.
ChemInform Abstract: Reactivity of Cyclopalladated Compounds. Part 18. Compared Reactivity of the Pd‐C Bonds of Two Closely Related Six‐Membered Palladocyclic Rings with Substituted Alkynes. X‐Ray and Molecular Structures of Cyclic (Pd(C(Ph)=C(R)C(Ph)=C(R)(o‐C6H4N=CMeNHPh))Cl) (R: CO2Et) and Cyclic (Pd(C(R)(C(CO2Me)C(R)=C(R)C(R)=C(R)) (o‐C6H4N=CMe(OH)))Cl) (R: CO2Me).
Authors: DUPONT J. , PFEFFER M. , DARAN J.‐C. , GOUTERON J.
Published: May 2016

The chloride‐bridged cyclopalladated dimers (I) react with alkynes to afford organometallic products in which one, two, or three alkynes are inserted into the Pd‐C bonds; the ratio of alkyne:Pd in the final products being independent of the stoichiometry of the reaction.
ChemInform Abstract: Heterobimetallic Catalysts for the Oxidation of Alcohols: (Os(N)R2(CrO4))‐ (R: CH3, CH2SiMe3).
Authors: ZHANG N. , MANN C. M. , SHAPLEY P. A.
Published: May 2016

Studies show that the Os chromate complex (IIIa) prepared according to the scheme catalytically oxidizes a variety of alcohols e.g. (IV) with high selectivity.
ChemInform Abstract: Synthesis and Characterization of trans‐(PMe3)2PtHCl and an Investigation of Its Role in Olefin Hydration Catalysis.
Authors: RAMPRASAD D. , YUE H. J. , MARSELLA J. A.
Published: May 2016

The analytically pure title complex (II) fails to act as an olefin hydration catalyst under the conditions published earlier.
ChemInform Abstract: Metal Complexes with Biologically Important Ligand. Part 47. Copper, Nickel, Palladium, and Platinum(II) Complexes of C‐Allylglycine and of N‐(Diphenylmethylene)‐C‐allylglycine Ester.
Authors: STEINER N. , NAGEL U. , BECK W.
Published: May 2016

C‐Allylglycine (I) reacts with Ni, Cu, Pd, and Pt(II) salts ‐ depending on pH ‐ to give the trans‐N,O‐bis(chelate) complexes (IV) or the N,η2‐C,C‐chelate complexes (VII) as demonstrated in the scheme.
ChemInform Abstract: Narcotic Alkylating Agents: Synthesis, Structure, and Biological Activities.
Authors: FRIGOLA J. , COLOMBO A. , MAS J. , PARES J.
Published: May 2016

3,6‐Diacetylnormethylmorphine (I) is converted to the chloroethylated derivative (IV) via reaction with ethylene oxide (II), followed by chlorination.
ChemInform Abstract: An Electron Spin Resonance and Optical Study of the Behavior of Cs2(TcNCl5) in Hydrochloric Acid Solutions.
Authors: BALDAS J. , BOAS J. F.
Published: May 2016

On the basis of their UV‐VIS spectra three species are detected in solutions of Cs2(TcNCl5) in aqueous HCl.
ChemInform Abstract: Synthesis and ab initio Structure Determination from X‐Ray Powder Data of Ba2PdO3 with Sevenfold Coordinated Ba2+. Structural Correlations with K2NiF4 and Ba2NiF6.
Authors: LALIGANT Y. , LE BAIL A. , FEREY G. , HERVIEU M. , RAVEAU B. , WILKINSON A. , CHEETHAM A. K.
Published: May 2016

Ba2PdO3, obtained by solid state reaction in air between BaO2 and Pd, crystallizes in the orthorhombic space group Immm with Z=2.
ChemInform Abstract: Kinetics of Electrochemical Reduction of Oxygen at Rhodium.
Authors: MARTINOVIC J. M. , SEPA D. B. , VOJNOVIC M. V. , DAMJANOVIC A.
Published: May 2016

Systematic kinetic studies of the oxygen reduction reaction (OR) at prereduced Rh electrodes in a wide range of pH and oxygen partial pressure using a steady‐state galvanostatic technique are performed aiming at the evaluation of relevant kinetic parameters.
ChemInform Abstract: The Sticking of O2 on a Pt(111) Surface.
Authors: LUNTZ A. C. , WILLIAMS M. D. , BETHUNE D. S.
Published: May 2016

Detailed molecular beam measurements of the sticking coefficient at zero coverage for O2 on a Pt(111) surface are performed as a function of initial energy, angle of incidence, and surface temperature.
ChemInform Abstract: Electron Microscopic Study of Submicron Sized Nickel Particles Obtained by Reduction in Organic Media: Influence of the Preparation Conditions on the Particle Size.
Authors: ALPHONSE P. , BRIEU M. , GILLET M. , MAURET P.
Published: May 2016

NiBr2 reduction in organic media gives an intermediate complex, whose decomposition leads to Ni particles of nm size.
ChemInform Abstract: Electron Rich Olefins. Part 2. Structure and Electron Transfer Reactivity of the Cyclically σ/π‐Hyperconjugated Carbosilane 3,3,6,6‐Tetrakis(trimethylsilyl)‐1,4‐cyclohexadiene.
Authors: HAUSEN H.‐D. , BESSENBACHER C. , KAIM W.
Published: May 2016

An X‐ray structure analysis of the title compound (I) is carried out (space group P21/c; Z=4).
ChemInform Abstract: Observations on the Intramolecular Palladium(0)‐Catalyzed (3 + 2)Cycloaddition of Diphenylmethylenecyclopropanes.
Authors: LEWIS R. T. , MOTHERWELL W. B. , SHIPMAN M.
Published: May 2016

The unsaturated aldehyde (I) is converted into the dienone (IX) which undergoes Pd(0)‐catalyzed cyclization to form the bicyclo(3.3.0)octanone (X).
ChemInform Abstract: Reactions of Ozone with 2,3‐Di‐tert.‐butyl‐1,3‐butadiene in Solution and on Solid Supports.
Authors: GRIESBAUM K. , VOLPP W.
Published: May 2016

The title reaction leads to the ozonides (VII) and (VIII) only in the presence of polyethylene.
ChemInform Abstract: Reducing Characteristics of 4‐(Borane‐dimethylamino)pyridine. Chemoselective Reduction of Aldehydes in the Presence of Ketones.
Authors: KIM S. , YANG S.
Published: May 2016

The different reactivity of ketones, e.g. (I), and aldehydes such as (III) in the presence of the title reagent allows a selective reduction of the aldehydes.
ChemInform Abstract: Cyclization Terminators. Vinylcyclopropanol as a Composite Functional Group.
Authors: TROST B. M. , LEE D. C.
Published: May 2016

The vinylcyclopropanes (I), (III), (V) and (VII) undergo cyclization to afford the products shown in the scheme.
ChemInform Abstract: Charge‐Transfer Complex Formation Between Stilbenes and 7,7,8,8‐Tetracyanoquinodimethane.
Authors: JIN J.‐I. , KIM J.‐S. , KIM J.‐D.
Published: May 2016

The title stilbene derivatives (I) and (II) form 1:1 complexes with the title tetracyanoquinodimethane (TCNQ).
ChemInform Abstract: Synthesis of Chrysenes and Other a‐Fused Phenanthrenes by a Palladium(0) Coupling‐Electrocyclic Ring Closure Sequence.
Authors: GILCHRIST T. L. , SUMMERSELL R. J.
Published: May 2016

The organozinc bromide derived from (I) reacts with several unsaturated halides such as (II) or (V) in the presence of a Pd catalyst to yield the coupling products (III) or (VI), which undergo cyclization on heating in solution to give the fused phenanthrenes (IV) or (VII).
ChemInform Abstract: Improvements in the Total Synthesis of Physostigmine: Reductive Cyclization of Oxindoles to Tricyclic Indoleninepyrrolidines with Lithium Aluminum Hydride in Tetrahydrofuran.
Authors: YU Q.‐S. , BROSSI A.
Published: May 2016

Reductive cyclization of the oxindole (I) and the carbamate (VII), prepared from (I) via the amine (VI), gives the pyrroloindoles (II) and (V).
ChemInform Abstract: 4‐Acetyl‐1‐(R‐benzylidene)‐3‐(5‐nitro‐2‐furfuryl)thiosemicarbazides: Synthons for the Formation of Thiazole and Triazole Rings.
Authors: KRAPIVIN G. D. , USOVA E. B. , KUL'NEVICH V. G.
Published: May 2016

The isothiosemicarbazides (V), prepared from the furfuryl bromide (I) and the thiosemicarbazides (II) via the salts (III), are cyclized in the presence of sodium acetate to give the thiazoles (VI).
ChemInform Abstract: Facile Route to 2,3‐Disubstituted Chromanones via Chromone‐3‐carboxaldehyde Activated by Silylation.
Authors: IWASAKI H. , KUME T. , YAMAMOTO Y. , AKIBA K.
Published: May 2016

Aldol condensation of chromone‐3‐carboxaldehyde (I) with the active methylene compounds (III) in the presence of tert‐butyldimethylsilyl triflate (II) gives the silylated adducts (IV).
ChemInform Abstract: Reaction of Silylamidophosphites with Chloral and Halonitroso Compounds.
Authors: LERMONTOV S. A. , ZAVORIN S. I. , MARTYNOV I. V.
Published: May 2016

The phoshoramidites (I) are coupled with chloral (II) to give the phosphonates (III) which are converted to the phosphoramidates (IV) upon distillation.
ChemInform Abstract: Analogous α,α′‐Bis‐Carbenoid Triply Bonded Species: Synthesis of a Stable λ3‐Phosphinocarbene‐λ5‐Phosphaacetylene.
Authors: IGAU A. , GRUETZMACHER H. + , BACEIREDO A. , BERTRAND G.
Published: May 2016

Depending on the nature of the substituents and the experimental conditions transient or stable phosphinocarbenes are generated from the corresponding α‐diazophosphines such as (III).
ChemInform Abstract: Unbridged and Bridged Isomers of W2(PCy2)2(NMe2)4: Preparations, Characterizations, and Comments on Thermodynamic and Activation Parameters for the Closing of Phosphido Bridges in d3‐d3 Dinuclear Compounds.
Authors: BUHRO W. E. , CHISHOLM M. H. , FOLTING K. , HUFFMAN J. C. , MARTIN J. D. , STREIB W. E.
Published: May 2016

The reaction of (I) with the phosphide (II) yields the unbridged, gauche compound (III), which crystallizes in the space group Pnna with Z=4.
ChemInform Abstract: Semicorrin Metal Complexes as Enantioselective Catalysts. Part 1. Synthesis of Chiral Semicorrin Ligands and General Concepts.
Authors: FRITSCHI H. , LEUTENEGGER U. , SIEGMANN K. , PFALTZ A. , KELLER W. , KRATKY C.
Published: May 2016

An efficient synthesis of chiral semicorrin ligands such as (VI) or (VIII) is described.
ChemInform Abstract: Synthesis of Benzopyran Derivatives. Part 1. Synthesis of Analogues of Natural Precocene I Containing Various 7‐O‐Substituents.
Authors: TIMAR T. , HOSZTAFI S. , JASZBERENYI J. C. , KOEVER K. E. + , BATTA G.
Published: May 2016

The best allatotoxic activity is achieved with the title compounds (Vb) and (Vc).
ChemInform Abstract: Composition of the Reaction Products of the Acidic Triphosphates of Aluminum and Chromium with Hydroxylamine.
Authors: LYUTSKO V. A. , TUCHKOVSKAYA A. V. , SHIFRINA A. L.
Published: May 2016

The reaction between H2MP3O10·2 H2O (M: Al, Cr) and NH2OH in aqueous‐ethanolic solution affords the novel intercalation complexes (I) and (II).
ChemInform Abstract: 5‐Isopropylidene‐1,2‐oxathiole 2‐Oxide (IIIa) by Photoisomerization of 2,2‐Dimethyl‐3(2H)‐thiophenone 1‐Oxide (IIa).
Authors: KOWALEWSKI R. , MARGARETHA P.
Published: May 2016

In contrast to their precursors (I) which react completely differently, the sulfoxides (II) under irradiation (350 nm) isomerize to the oxathioloxides (III), even in the presence of isobutene and stereoselectively in the case (IIb) → (IIIb).
ChemInform Abstract: Hydrogen Peroxide Oxidation Catalyzed by Heteropoly Acids Combined with Cetylpyridinium Chloride: Epoxidation of Olefins and Allylic Alcohols, Ketonization of Alcohols and Diols, and Oxidative Cleavage of 1,2‐Diols and Olefins.
Authors: ISHII Y. , YAMAWAKI K. , URA T. , YAMADA H. , YOSHIDA T. , OGAWA M.
Published: May 2016

Using a combination of heteropoly acids such as H3PMo12O40 or H3PW12O40 with cetylpyridinium chloride as the catalyst, olefins such as (I) and (IV), and allylic alcohols, e.g. (VI), are oxidized with hydrogen peroxide (II) to give the epoxides (III), (V), and (VII).
ChemInform Abstract: Reaction of Hydroxy and Carbonyl Compounds with Sulfur Tetrafluoride. Part 20. Reactions of Glycols with SF4.
Authors: HASSANEIN S. M. , BURMAKOV A. I. , BLOSHCHITSA F. A. , YAGUPOL'SKII L. M.
Published: May 2016

The reactions between 1,2‐, 1,3‐ or 1,4‐diols and SF4, which are carried out according to method A) using the diols (I), (IV), (IX) or (XI) as the substrates, proceed via substitution of a hydroxy group by a fluorine atom to give the fluoro derivatives (III), (VII)/(VIII), (X) or (XII) either directly or after work‐up of the fluorosulfites (cf.
ChemInform Abstract: Syntheses and Flash Vacuum Pyrolyses of Highly Functionalized α‐N‐Hydroxy Amino Acids.
Authors: HUANG N. Z. , MILLER M. J.
Published: May 2016

Flash vacuum pyrolysis of the sulfoxide (XII), prepared from L‐methionine (I) via the N‐hydroxy amino acid ester (VI), gives the vinyldihydropyridone (XIII) instead of a carbacephalosporin.
ChemInform Abstract: Thiono and Dithio Esters. Part 45. Properties and Reactions of Thiosuccinic and Thioglutaric Esters.
Authors: HARTKE K. , PFLEGING E.
Published: May 2016

Thiosuccinic and thioglutaric esters react with LDA to form the dithioenolates, predominantly with a di‐cis configuration concerning S‐.
ChemInform Abstract: Generation and Alkylation Reaction of 1‐Bromoalkenylzincate.
Authors: HARADA T. , HARA D. , HATTORI K. , OKU A.
Published: May 2016

The 1,1‐dibromoalkenes (I) react with lithium tributylzincate (II) at low temperature to give the alkenylzincates (III) which are hydrolyzed with acetic acid, forming the vinylic bromides (IV).
ChemInform Abstract: Lactones. Part 18. Synthesis of Lactone‐Bridged 1,1‐Diarylpropanamines.
Authors: LEHMANN J. , GOSSEN A.
Published: May 2016

The β‐aroylacrylic acids (I) react with the cyclic amines (II), yielding the γ‐keto‐α‐amino acids (III).
ChemInform Abstract: Cycloaddition of Isopropylidene Methylenemalonate to Isosafrole and Analogues.
Authors: STEVENSON R. , WEBER J. V.
Published: May 2016

Isosafrole (I) and the styrenes (V) undergo cycloaddition reaction with isopropylidene methylenemalonate (II) to give the trioxaoctalinones (III) and (VI).
ChemInform Abstract: Studies on Ureas. Part 1. Preparation and Antimicrobial Activity of N‐Aryl‐N′‐(2‐(p‐chlorophenyl)‐1,3,4‐oxadiazol‐5‐ylacyl)ureas.
Authors: MEHTA L. , PAREKH H.
Published: May 2016

The hydrazide (I) reacts with p‐chlorobenzoic acid (II) to form the oxadiazole (III) which is saponified, producing the acid (IV).
ChemInform Abstract: Reaction of Chlorosulfonyl Isocyanate with Nitrones: An Efficient Method for the Synthesis of Cyclic Enamides and 2H‐Pyrroles.
Authors: JOSEPH S. P. , DHAR D. N.
Published: May 2016

A series of nitrones such as (I) and (III), derived from cyclic conjugated ketones, is treated with chlorosulfonyl isocyanate according to A).
ChemInform Abstract: Polyfunctional Macroheterocycles. Part 1. Synthesis of Macroheterocycles Containing Sulfur with Endocyclic Carboxamide or Sulfonamide Groups.
Authors: VORONKOV M. G. , KNUTOV V. I. , BUTIN M. K.
Published: May 2016

Macroheterocycles such as (III), (VI), or (VII) are prepared by coupling of (substituted) diamines with the corresponding dichlorides.
ChemInform Abstract: Synthesis of Boron Analogues of Carbamic Acid Derivatives via the Amine‐Isocyanoethane‐Dihydroboron(III) Cation.
Authors: GYOERI B. + , LAZAR I. , EMRI J.
Published: May 2016

Alkylation of the boron complex (I) with triethyloxonium tetrafluoroborate (II) yields the ethyl isocyanide salt (III).
ChemInform Abstract: Synthesis, NMR Spectroscopic Investigation, and Crystal Structures of 1,3‐Dihydro‐2λ4‐benzotellurole‐2,2‐diyl Bis(diethyldithiocarbamate), C8H8Te(S2CNEt2)2; S,S′‐1,3‐Dihydro‐2λ4‐benzotellurole‐2,2‐diyl O,O,O′,O′‐Tetraethyl Bis(dithiophosphate), C8H8Te(S2P(OEt)2)2; and 1,3‐Dihydro‐2λ4‐benzotellurole‐2,2‐diyl Bis(O‐ethyl xanthate), C8H8Te(S2COEt)2.
Authors: DAKTERNIEKS D. , DI GIACOMO R. , GABLE R. W. , HOSKINS B. F.
Published: May 2016

The title compounds (III), (IV), and (V) are prepared by 1:2 molar reaction of the diiodobenzotellurole (I) with the dithiocarbamate (II), potassium O,O'‐diethyl dithiophosphate, or potassium xanthate, respectively.
ChemInform Abstract: Isolation and X‐Ray Crystal Structure of the First Dinitrogen Complex of an f‐Element Metal, ((C5Me5)2Sm)2N2.
Authors: EVANS W. J. , ULIBARRI T. A. , ZILLER J. W.
Published: May 2016

Slow crystallization of (η5‐C5Me5)2Sm from toluene over a 4‐week period gives a quantitative yield of the title compound (I).
ChemInform Abstract: Internal Electron Transfer in a Quinone Adduct of a Nickel(II)‐Catecholate Complex.
Authors: BENELLI C. , DEI A. , GATTESCHI D. , PARDI L.
Published: May 2016

The tetrachlorocatecholatonickel(II) complex of the cyclic triamine reacts reversibly with tetrachlorobenzoquinone to give the Ni(I) complex (I), which crystallizes in P21/c with Z=4.
ChemInform Abstract: Photochemical Activation of CO2. Transient Absorbance Kinetic Studies of the Addition of CO2 to a Metal‐to‐Bridging Ligand Charge‐Transfer State of a Binuclear Ni(0) Complex.
Authors: LEMKE F. R. , DELAET D. L. , GAO J. , KUBIAK C. P.
Published: May 2016

The spectroscopy and reactivity of the excited state involved in the photochemical reaction of (I) with CO2 (II) is studied.
ChemInform Abstract: Five‐Coordinate Compounds of Nickel(II) and Copper(II) with the Triamine Diimine Ligands 13‐Imino‐4,4,6,11,11‐pentamethyl‐3,7,10‐triazatetradec‐6‐en‐1‐amine and 4,6,11‐Triethyl‐13‐imino‐4,11‐dimethyl‐3,7,10‐triazapentadec‐6‐en‐1‐amine.
Authors: CURTIS N. F.
Published: May 2016

Ni(II) dichloride (II) reacts with the tetraaza macrocycles (I) in the presence of ammonia (III) to give the Ni complexes (Va) of the noncyclic title ligands.
ChemInform Abstract: Phosphane‐Stabilized Cu(I) and Ag(I) Silanes.
Authors: COWLEY A. H. , ELKINS T. M. , JONES R. A. , NUNN C. M.
Published: May 2016

The tetrahedral Cu(I) silane (IVa) is obtained according to the scheme and characterized by NMR (31P, 29Si) data and X‐ray structure analysis (space group Cc, Z=4).
ChemInform Abstract: Reversible Metal‐Metal Bond Cleavage Accompanied by the Facile Reversible Addition of H2 to a Ru3 Cluster. Synthesis and X‐Ray Structures of Ru3(CO)8(μ‐H)2(μ‐tBu2P)2 and Ru3(CO)8(μ‐H)2(H)2(μ‐tBu2P)2.
Authors: ARIF A. M. , BRIGHT T. A. , JONES R. A. , NUNN C. M.
Published: May 2016

The bis(phosphido)‐bridged trinuclear cluster (III) is obtained according to the scheme and characterized by IR, 1H and 31P NMR spectroscopic data and X‐ray structure analysis.
ChemInform Abstract: Synthesis of the New Thebaine Derivatives by the Diels‐Alder Reaction with Northebaine.
Authors: KIM K. , KIM K.
Published: May 2016

Northebaine (I) is obtained from thebaine by demethylation with diisopropyl azodicarboxylate.
ChemInform Abstract: Diterpenoids
Authors: HANSON J. R.
Published: May 2016

Review: (191 refs.
ChemInform Abstract: Micro‐Raman Spectra of YBaCuO Superconductors.
Authors: HUONG P. V. , GRENIER J. C. , BEZDICKA P.
Published: May 2016

Reproducible micro‐Raman polarization spectra can be recorded for Y‐Ba‐Cu‐O superconducting materials under well defined experimental conditions and controversial results reported in the literature are clarified.
ChemInform Abstract: Fluorosilicate Equilibria in Acid Solution.
Authors: CIAVATTA L. , IULIANO M. , PORTO R.
Published: May 2016

The reaction between silicic acid and the fluoride ion in aqueous solutions is investigated at 25 °C in the acidity range 0.3‐3 M in a 3 M LiClO4 medium.
ChemInform Abstract: The Rate Constant of the Gas Phase Reaction of SO3 with H2O
Authors: WANG X. , JIN Y. G. , SUTO M. , LEE L. C. , O'NEAL H. E.
Published: May 2016

is measured in He and in N2 at total pressures of 1‐10 torr in a flow tube at room temperature.
ChemInform Abstract: Organocuprate Conjugate Addition to 2,3‐Dihydro‐4H‐pyran‐4‐ones.
Authors: BORING D. L. , SINDELAR R. D.
Published: May 2016

Reaction of isophorone (I) and the pyranone derivative (VI) with vinylmagnesium bromide (II) or vinyllithium (III) in the presence of copper compounds leads to the formation of the 1,4‐adducts (IV) and (VII), together with minor amounts of the 1,2‐adducts (V) and (VIII).
ChemInform Abstract: Switching of the Reaction Pathway for (1,2)/(1,4)‐ and (2,3)‐Wittig Rearrangements of 3‐Aryl‐2‐propenyl Propargyl Ethers.
Authors: HAYAKAWA K. , HAYASHIDA A. , KANEMATSU K.
Published: May 2016

Treatment of the allyl propargyl ethers (I) with butyllithium results in rearrangement, producing the alcohols (II) and the aldehydes (III) with predominance of (II).
ChemInform Abstract: Photochemistry of β,γ‐Enones. Part 11. Photochemical Reactivities of Cyclic α‐Phenyl‐β,γ‐enones. Singlet 1,3‐Acyl Shift, Decarbonylation and Unquenchable Oxa‐di‐π‐methane Reactions Upon Direct Irradiation.
Authors: KOPPES M. J. C. M. , CERFONTAIN H.
Published: May 2016

The photochemistry of the substrates (IIa), (IIb) (VIII) and (XI) is investigated.
ChemInform Abstract: Photochemistry of Aminoketones. Part 13. Synthesis and Photochemistry of Methyl N‐(β‐Benzoylethyl)‐N‐(D‐camphor‐10‐sulfonyl)glycinates (VI).
Authors: HENNING H.‐G. , URBAN B. , KERNCHEN F.
Published: May 2016

The Mannich compounds (IV) are transformed to the title compounds (VI); the diastereomers (VIb) and (VIc) are poorly separable.
ChemInform Abstract: A Short Synthesis of a Pyrrole Derivative Having a Chiral Substituent.
Authors: KIYOOKA S. , SEKIMURA Y. , KAWAGUCHI K.
Published: May 2016

N‐Benzyloxycarbonyl‐L‐prolyl chloride (I) is converted to the (2S)‐pyrrolyl‐2‐pyrrolidine (VI) in a three‐step sequence via coupling with the acetal (II), deprotection, and ring closure of the keto aldehyde (IV) with benzylamine (V).
ChemInform Abstract: Synthesis of 2‐Substituted 4‐Pyridylpropionates. Part 1. Claisen Condensation Approach.
Authors: ADGER B. M. , BANNISTER R. , LEWIS N. J. , O'FARRELL C.
Published: May 2016

The pyridylpropionate (VI), which is a key intermediate in the preparation of a histamine H2‐receptor antagonist, is prepared via two different reduction routes.
ChemInform Abstract: New m‐Phenylene‐bis‐disubstituted Phosphanes.
Authors: SCHOPFERER M. , SCHMITT G. , PRITZKOW H. , LATSCHA H. P.
Published: May 2016

The m‐phenylene‐bis(dichlorophosphane) (I) is converted into the derivatives (V), (VI) and (VIII) as well as via (Va) into (IX) as demonstrated in the scheme.
ChemInform Abstract: A Novel Approach to Hetarylmethyl‐ and Hetarylethylphosphonates and Their Free Acids.
Authors: ZBIRAL E. , DRESCHER M.
Published: May 2016

The (hetarylmethyl)triphenylphosphonium bromides (I) react with diethyl phosphite (II) and a base or with ethyl diethoxyphosphorylacetate (V) and a base to produce the hetarylmethyl‐ (III) or hetarylethylphosphonates (VI).
ChemInform Abstract: Synthesis of Mixed Oligomeric Heteroarylenes Containing Thiophene and Selenophene Rings. Their UV Spectra and Oxidation Potentials.
Authors: SHABANA R. , GALAL A. , MARK H. B. JUN. , ZIMMER H. , GRONOWITZ S. , HOERNFELDT A. B. +
Published: May 2016

Ni(II)‐catalyzed cross‐coupling reaction of the Grignard compounds (I) with the bromoselenophenes (II) and 2,5‐dibromoselenophene (IV) yields the mixed bihetaryls (III) and (V).
ChemInform Abstract: Complexes of Lanthanoid Salts with Macrocyclic Ligands. Part 34. Glasslike Structure in Crystalline Macrocyclic Complexes: Synthesis, X‐Ray Diffraction, and Laser‐Spectroscopic Investigation of Neodymium(III) and Europium(III) Complexes with 4,13‐Dimethyl‐1,7,10,16‐tetraoxa‐4,13‐diazacyclooctadecane.
Authors: NICOLO F. , PLANCHEREL D. , CHAPUIS G. , BUENZLI J.‐C. G. +
Published: May 2016

Eu and Nd nitrates (I) react with the macrocyclic ligand (II) to yield the complexes (III) with a 4:3 metal:ligand ratio.
ChemInform Abstract: Preparation and Characterization of Tris(trimethylsilyl)silyl and Tris(trimethylsilyl)germyl Derivatives of Zirconium and Hafnium. X‐Ray Crystal Structures of (η5‐C5Me5)Cl2HfSi(SiMe3)3 and (η5‐C5Me5)Cl2HfGe(SiMe3)3.
Authors: ARNOLD J. , RODDICK D. M. , TILLEY T. D. , RHEINGOLD A. L. , GEIB S. J.
Published: May 2016

By reaction of the compounds (II) with the appropriate halide compounds (I) and (IV) the new type of group 4 derivatives (III) and (V) are prepared.
ChemInform Abstract: Transition‐Metal Carbonyl Derivatives of the Germanes. Part 18. Tetracarbonylbis(permethylgermyl)iron Compounds (Fe(CO)4(GeMe3‐xHx)(GeMe3‐yHy)) for x,y = 0‐3.
Authors: AUDETT J. A. , MACKAY K. M.
Published: May 2016

The new mixed‐germyl compounds (III) are prepared by the route shown for the example (IIIa).
ChemInform Abstract: Alkaline Hydrolysis of Bridged and Monodentate Sulfato Complexes of Cobalt(III). X‐Ray Structure of (Co(en)2(OS(O)2O))2ZnCl4·H2O Containing cis‐Bis(μ‐sulfato) Bridges.
Authors: BUCKINGHAM D. A. , CLARK C. R. , SIMPSON J. , ROBINSON W. T.
Published: May 2016

By X‐ray analysis the previously described four‐membered sulfato chelate (Co(en)2(O2SO2))+ is characterized to be the dimeric complex (I), which crystallizes in the space group C2/c with Z=4.
ChemInform Abstract: Reactions of 1,2‐Dicarbonyls with Metallic Copper Under Argon and Dioxygen. Oxidative C‐C Bond Scission by Metallic Copper.
Authors: SPEIER G. , TYEKLAR Z.
Published: May 2016

The diketones (I) react with metallic Cu by electron transfer from Cu to (I) leading to semidionatocopper(I) and μ‐enediolato‐dicopper(I) complexes in low equilibrium concentrations as detected by ESR and electronic spectra.
ChemInform Abstract: Cylopentadienyl Ruthenium and Osmium Chemistry. Part 31. Preparation of Some Complexes Containing 1,1′‐Bis(diphenylphosphino)ferrocene (dppf): X‐Ray Structure of RuH(dppf)(η‐C5H5).
Authors: BRUCE M. I. , BUTLER I. R. , CULLEN W. R. , KOUTSANTONIS G. A. , SNOW M. R. , TIEKINK E. R. T.
Published: May 2016

Exchange of triphenylphosphine in (I) with the title ligand (II) yields the complex (IVa), which is converted into the hydrido complex (IVb) (X‐ray analysis: space group P1, Z=4).
ChemInform Abstract: Synthesis and Molecular Structures of a Rhoda‐Lactone and Its Alkylation Product. Insertion of a Pendant Alkyne into a Rhodium‐Hydrogen Bond.
Authors: MARDER T. B. , CHAN D. M.‐T. , FULTZ W. C. , MILSTEIN D.
Published: May 2016

The pentynoic acid (II) reacts with the rhodium complex (I) via addition of the acid moiety and subsequent insertion, producing the rhoda‐lactone (III).
ChemInform Abstract: A Stereospecific Synthesis of 3‐Aminodeoxystatine.
Authors: SCHOSTAREZ H. J.
Published: May 2016

The 3‐aminodeoxystatines (II) and (IV), analogues of statine (V), are synthesized from the compounds (I) and (III).
ChemInform Abstract: Design and Synthesis of Sulfur‐Containing Morphine and an Opioid Receptor Probe.
Authors: FUJII I. , TOGAME H. , YAMAMOTO M. , KANEMATSU K. , TAKAYANAGI I. , KONNO F.
Published: May 2016

Mitsunobu reaction of morphine (I), dihydromorphine (IV), and dihydrocodeine (VI) with thioacetic acid (II) yields the thioesters (III), (Vb), and (VII).
ChemInform Abstract: Synthesis of Benzopyran Derivatives. Part 4. Synthesis of Analogues of Natural Precocenes Containing a 8‐Methyl Substituent.
Authors: TIMAR T. , HOSZTAFI S. , JASZBERENYI J. C.
Published: May 2016

With a view to the antijuvenile hormone activity of precocenes the title derivatives (V) are prepared.
ChemInform Abstract: Importance of Hydrogen Bonding in the Interaction Between Olfactive Receptors and Musk Odorants.
Authors: CHASTRETTE M. , ZAKARYA D.
Published: May 2016

Three specific patterns considered as muscophores in 104 nitrobenzenics, indans, and tetralins are analyzed.
ChemInform Abstract: Generation and Characterization of Sulfurous Acid (H2SO3) and Its Radical Cation as Stable Molecules in the Gas Phase.
Authors: SUELZLE D. + , VERHOEVEN M. , TERLOUW J. K. , SCHWARZ H.
Published: May 2016

The radical cation (II) and the neutral species (III) can be generated by dissociative ionization (70 eV) of (I).
ChemInform Abstract: An Unusual System of Hydrogen Bonds in Rubidium Hydroxide Dihydrate, RbOH·2 H2O.
Authors: JACOBS H. , SCHARDEY A.
Published: May 2016

The title compound is obtained by reaction of Rb with H2O vapor and subsequent dehydration of the resulting solution with conc.
ChemInform Abstract: 14N NMR Studies of Amine Release from Platinum Anticancer Drugs: Models and Human Blood Plasma.
Authors: NORMAN R. E. , SADLER P. J.
Published: May 2016

The results show that 14N NMR spectroscopy provides useful information about amine release from cis‐PtCl2(NH3)2 and related complexes under biologically relevant conditions.
ChemInform Abstract: Experimental and Theoretical Studies of the Copper(I) and Silver(I) Dinuclear N,N′‐Di‐p‐tolylformamidinato Complexes.
Authors: COTTON F. A. , FENG X. , MATUSZ M. , POLI R.
Published: May 2016

The two title compounds (I) are characterized by X‐ray crystallography ((Ia): space group Pccn, Z=4 and (Ib): Pnaa, Z=4) and visible spectroscopy.
ChemInform Abstract: The Gas‐Phase Displacement Reaction of Chloride Ion with Methyl Chloride a a Function of Kinetic Energy.
Authors: BARLOW S. E. , VAN DOREN J. M. , BIERBAUM V. M.
Published: May 2016

Taking advantage of the high sensitivity of a new tandem Flowing Afterglow‐SIFT‐Drift instrument described elsewhere a rate coefficient of 3.5 · 10‐14 cm3/s is determined for the reaction 37Cl‐ + Me35Cl → 35Cl‐ + Me37Cl (300 K; reaction efficiency = 2 · 10‐5).
ChemInform Abstract: The Chemistry of Organobismuth Reagents. Part 13. Ligand Coupling Induced by Pd(0).
Authors: BARTON D. H. R. , OZBALIK N. , RAMESH M.
Published: May 2016

Palladium zero generated from Pd(OAc)2 and NEt3 converts the triarylbismuths (I) quantitatively into the biaryls (II).
ChemInform Abstract: Substituted o‐Iodoso‐ and o‐Iodoxybenzoic Acids: Synthesis and Catalytic Activity in the Hydrolysis of Active Phosphorus Esters and Related Systems.
Authors: KATRITZKY A. R. , DUELL B. L. , DURST H. D. , KNIER B. L.
Published: May 2016

The o‐iodosobenzoic acids (I) and (III) are prepared by oxidative chlorination of the corresponding o‐iodo compounds, while the o‐iodoxybenzoic acids (II) and (IV) are obtained from the same starting materials by oxidation with H2O2/Ac2O. The o‐iodoxybenzoic acids (VII) and (X) are synthesized from the benzoic ester (V).
ChemInform Abstract: A Highly Selective Method for the Synthesis of E‐α‐Methyl‐α,β‐Unsaturated Aldehydes.
Authors: DESMOND R. , MILLS S. G. , VOLANTE R. P. , SHINKAI I.
Published: May 2016

The aldehydes (I) are coupled with the lithiated enamines (II) to give the unsaturated imines (III).
ChemInform Abstract: Preparation of Carbazolylsilanes.
Authors: APPLER H.
Published: May 2016

The lithiocarbazole (III) is coupled with various chlorosilanes, e.g. (IV) or (VI), producing the carbazolylsilanes (V) and (VII) ‐ (IX), depending on the ratio of the starting materials.
ChemInform Abstract: Organo‐Tin Clusters. Part 5. Crown and Extended Organooxotin Compounds Formed with Phosphinate Ligands. A New Class of Tetranuclear Tin Clusters.
Authors: SWAMY K. C. K. , SCHMID C. G. , DAY R. O. , HOLMES R. R.
Published: May 2016

The synthesis of the three tetranuclear clusters (III), (Va), and (Vb) occurs according to the scheme.
ChemInform Abstract: Synthesis, Magnetism and Crystal Structure of (V2O2(μ‐OH)2(tpen))I2·4 H2O: A Binuclear Complex Containing the syn‐(VO(μ‐OH)2VO)2+ Core (tpen: tetrakis(2‐pyridylmethyl)ethylenediamine).
Authors: NEVES A. , WIEGHARDT K. , NUBER B. , WEISS J.
Published: May 2016

The reaction of the six‐dentate title ligand with VCl3 in refluxing acetonitrile yields the neutral binuclear complex (I) which is hydrolyzed in water in the presence of air affording the title complex (III).
ChemInform Abstract: Monooxo‐Capped Tritungsten Carboxylate Clusters.
Authors: BINO A. , COTTON F. A. , DORI Z. , SHAIA‐GOTTLIEB M. , KAPON M.
Published: May 2016

An improved method for the preparation of the monooxotritungsten hexaacetate cluster (IIIa) is described starting with Na tungstate (I) as demonstrated in the scheme.
ChemInform Abstract: Metathesis‐Like Reactions Between the Carbene Complex (CO)5W=C(OMe)Ph and Organic Nitroso Reagents.
Authors: PILATO R. S. , WILLIAMS G. D. , GEOFFROY G. L. , RHEINGOLD A. L.
Published: May 2016

Reactions between the carbene complex (I) and various nitroso compounds R‐NO (R: Ph, tBu, 2,4,6‐tri‐tert.‐butylphenyl) and (II) are studied in order to evidence the formation of (OC)5W=NR species on these metathesis‐like reactions.
ChemInform Abstract: Pentadienyl Ligands in Cluster Complexes. Synthesis and Structural Characterization of Ru5(CO)12(μ4‐S)(μ‐H)(μ‐1,5‐Me2C5H5) and Ru6(CO)15(μ4‐S)(μ‐H)(μ‐1,5‐Me2C5H5).
Authors: ADAMS R. D. , BABIN J. E. , TASI M. , WOLFE T. A.
Published: May 2016

The yields of the title compounds are improved considerably (26 and 18%) by using 2,4‐heptadiene as the precursor to the pentadienyl ligand.
ChemInform Abstract: Sorbic Acid Iron Tricarbonyl Complex as Resolving Agent. Chiral Syntheses of 4‐Hydroxy Nonenal and Coriolic Acid.
Authors: DE MONTARBY L. , MOSSET P. , GREE R.
Published: May 2016

The sorbic acid iron carbonyl complex (II) reacts selectively with the racemic alcohol (I) to give the diastereomeric esters (III).
ChemInform Abstract: Luminance Improvement of Blue‐Green Emitting SrS:Ce EL Cell by Controlling Vacuum Conditions with Sulfur Addition
Authors: ONISAWA K. , FUYAMA M. , TAGUCHI K. , TAMURA K. , ONO Y. A.
Published: May 2016

is found to be very effective.
ChemInform Abstract: Effect of Trace Lead on the Coulombic Efficiency of Zinc Electrowinning in High‐Purity Synthetic Solutions.
Authors: FRAZER E. J.
Published: May 2016

Measurements of the coulombic efficiency (QE) for zinc electrodeposition from acidic zinc sulfate solutions under mass‐transfer controlled conditions show that traces of lead (≤ 5 mg/l) have only a small beneficial effect on QE (≤ 1%).
ChemInform Abstract: Degradation Reaction of the 90 K Superconductor YBa2Cu3O7‐δ in H2O
Authors: CHOY J.‐H. , CHUN S.‐H. , KIM B.‐W. , JUNG D.‐Y. , HONG S.‐T. , BYEON S.‐H.
Published: May 2016

and in humid environment is studied by XRD, IR spectroscopy and chemical analysis.
ChemInform Abstract: Macrocyclization in the Lactone, Thiolactone and Lactam Series Containing Ethylenedioxy Moiety. The Effect of Silicon and Tin Matrix.
Authors: LEYGUE N. , PICARD C. , TISNES P. , CAZAUX L.
Published: May 2016

The reaction of the acid chlorides (I) and (V) with the compounds (II) yields the monomeric products (III) and (VI) and the dimers (IV) and (VII), respectively.
ChemInform Abstract: Olefin Epoxidation Catalyzed by Sterically Bulky Metalloporphyrins (Metal=Fe,Mn) by Use of Sodium Hypochlorite as an Oxygen Source ‐ A Kinetic Study.
Authors: AMATSU H. , MIYAMOTO T. K. , SASAKI Y.
Published: May 2016

The styrenes (II), cyclooctene, and 1‐octene are epoxidized by complexes (I) in the presence of NaOCl as an oxidant.
ChemInform Abstract: Conversion of Diallyl Sulfide to 1‐Ethyl‐3‐isopropylbenzene in the System KOH‐DMSO.
Authors: MUSORIN G. K. , KRIVDIN L. B. , AMOSOVA S. V. , KALABIN G. A.
Published: May 2016

In the system KOH‐DMSO the conversion of diallyl sulfide (I) proceeds to afford the known isomerization product (II) along with 1‐ethyl‐3‐isopropylbenzene (III), which is observed for the first time to be a product of this reaction.
ChemInform Abstract: Selective Conversion of m‐Hydroxybenzyl Alcohol to m‐Hydroxybenzaldehyde.
Authors: OI R. , TAKENAKA S.
Published: May 2016

The isomeric hydroxymethylphenols (I) are treated with oxygen in the presence of platinum on carbon and bismuth sulfate to give the aldehydes (II).
ChemInform Abstract: A Convenient Synthesis of α′,β‐Diamino‐α,α‐difluoro Ketones, New Dipeptide Isosteres.
Authors: SCHIRLIN D. , BALTZER S. , ALTENBURGER J. M.
Published: May 2016

The diprotected diamino difluoro alcohols (VII) are synthesized by coupling the aldehydes (I) with the bromo ester (II), followed by amination, reduction of the amide group, and N‐protection.
ChemInform Abstract: Stereoselective Aminohydroxylation of the Double Bond in 7‐Oxabicyclo‐(2.2.1)hept‐5‐en‐2‐yl Derivatives. Remote Substituent Participation in Acid‐Catalyzed Decompositions of Aziridines and Triazolines.
Authors: REYMOND J.‐L. , VOGEL P.
Published: May 2016

The bicyclic acetals (I) react with the azidoformate (II) to give the isomeric cycloadducts (III) and (IV) which are photolyzed to yield the aziridines (V).
ChemInform Abstract: A Convenient Synthesis of 4‐tert‐Butyl‐5‐benzofuranols and Dihydrobenzofuranols.
Authors: ZAMBIAS R. A. , CALDWELL C. G. , KOPKA I. E. , HAMMOND M. L.
Published: May 2016

The benzofuranol (VIII) is prepared from cyclohexa‐1,3‐dione (I) as shown in the reaction scheme.
ChemInform Abstract: Synthetic Reactions and Structural Studies of Heterocycles Containing Nitrogen. Part 2. Reaction of 1‐Hydrazinophthalazine with Phenyl(3‐phenyloxiran‐2‐yl)methanone: A Reinvestigation.
Authors: AMER A. , EL MASSRY A. M. , EL SADANY S. , ZIMMER H.
Published: May 2016

When the free hydrazine of (II) is reacted with oxirane (III) according to the literature, the starting material (III) is always recovered with none of the reported product (I); only traces of (IV) and (V) are formed.