bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Derivatives of 1,3‐Bis‐(2‐hydroxyphenyl)‐1,3‐propanedione. An Attempt to Get More Soluble Heterotrinuclear Complexes. Crystal Structure of Chromium Tris‐(1,3‐bis‐(2‐hydroxyphenyl)‐1,3‐propanedionate).
Authors: TEIXIDOR F. , COLOMER J. , LLOBET A. , CASABO J. , SOLANS X. , FONT‐ALTABA M. 
Published: May 2016

AbstractThe substitution of a hydrogen atom by other radicals has been achieved in the title diketone at the methinic carbon by reaction of its Co complex (I) with different electrophiles.
ChemInform Abstract: Reactions of Aluminopolyhydride Complexes of Tungsten. X‐Ray Crystal Structures of ((Me3P)3H3W(μ‐H)2AlCl(μ‐N=CHEt))2, (((Me3P)3WH5)Li)4, WH2I(PMe3)3(SiMe3), and (Me3P)3H2W(μ‐H)3AlCl2(NMe3).
Authors: BARRON A. R. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B. 
Published: May 2016

AbstractReaction of (I) with nitriles gives the μ‐amido complexes (IIa) and (IIb); a similar complex (IIc), obtained from chloride‐containing solutions, is investigated crystallographically.
ChemInform Abstract: Redox Behaviour of the Iron‐Sulfur Cluster (Fe6(μ3‐S)8(PEt3)6)2+. Synthesis and Crystal Structure of the New Paramagnetic Monopositive Species (Fe6(μ3‐S)8(PEt3)6)+ as Its (PF6)‐ Salt.
Authors: CECCONI F. , GHILARDI C. A. , MIDOLLINI S. , ORLANDINI A. , ZANELLO P. 
Published: May 2016

AbstractThe cyclic voltammograms of the dipositive cluster cation show that it undergoes four reversible one‐electron transfer steps to yield a five‐membered series.
ChemInform Abstract: Synthesis of Pyridine‐Containing Tetra‐Aza Macrocycles: 3,7,11,17‐Tetraazabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene (L1), Its 3,11‐Dibenzyl (L2) and 3,7,11‐Tribenzyl (L3) Derivatives, and Their Nickel(II), Copper(II), and Zinc(II) Complexes: Crystal Structures of L2·HCl and (Ni(L2)Cl)ClO4·H2O.
Authors: ALCOCK N. W. , BALAKRISHNAN K. P. , MOORE P. , PIKE G. A. 
Published: May 2016

AbstractA template reaction with Ni2+, similar to a published one for a related macrocycle is used to prepare (Ia) starting with 2,6‐pyridinedicarbaldehyde and 1,7‐diamino‐4‐azaheptane and AcOH as a catalyst.
ChemInform Abstract: Cytosine Complexes with Copper(II) Perchlorate.
Authors: MIKULSKI C. M. , LEE C. J. , TRAN T. B. , KARAYANNIS N. M. 
Published: May 2016

AbstractCu perchlorate and cytosine monohydrate react in a mixture of triethylorthoformate and EtOH under reflux to yield the complex (I), which has a square‐planar CuN4 chromophore (IR data); the ligands bind via N(3).
ChemInform Abstract: Velocity Modulation Laser Spectroscopy of Negative Ions: The ν3 Band of Azide (N‐ 3).
Authors: POLAK M. , GRUEBELE M. , SAYKALLY R. J. 
Published: May 2016

Abstract34 transitions in the ν3 (asymmetric stretch) fundamental of N3‐ have been measured in an NH3/N2O discharge by using the title method and the vibrational band origin is determined to be ν3 = 1986.4672 cm‐1 (rotational constants are given).
ChemInform Abstract: Nitridophosphates M(I)3M(III)P3O9N (M(I): Na, K; M(III): Al, Ga, Cr, Fe, Mn)
Authors: FELDMANN W. 
Published: May 2016

Abstractare obtainable by heating compounds containing Na2O, P2O5, Al2O3, and PON as components to 600‐850 °C and are shown to be isotypic.
ChemInform Abstract: Ammonolysis of Niobium(V) Bromide.
Authors: MAYA L. 
Published: May 2016

AbstractThe ammonolytic intermediates as well as the thermal decomposition products have been characterized by chemical analysis, gas chromatography, ESCA, IR spectroscopy and XRD Depending on the experimental conditions, NbBr5 produces a series of ammonolytic intermediates having metal to halide ratios of 2.0, 1.5, 1.0, 0.83, and 0.75.
ChemInform Abstract: The Intercalation of Lanthanoids Into H3OUO2PO4·3 H2O and C4H9NH3UO2PO4·3 H2O
Authors: POZAS‐TORMO R. , MORENO‐REAL L. , MARTINEZ‐LARA M. , BRUQUE‐GAMEZ S. 
Published: May 2016

Abstract(denoted as HUP and BAUP) is shown to involve a topotactic process which results in final products derived from HUP having a tetragonal structure.
ChemInform Abstract: Unusual Chemoselectivity Using Difunctional Allylic Alkylating Agents.
Authors: TROST B. M. , TOMETZKI G. B. , HUNG M.‐H. 
Published: May 2016

AbstractReaction of the substrate (I) with the difunctional alkylating agent (IV) in the presence of a Pd(0) catalyst according to A) leads to formation of the cyclopropane (II) which arises from the initially formed product (III).
ChemInform Abstract: Inorganic‐Solid‐Supported Potassium Thiocyanate: Study of Reagent Preparation and a Convenient Synthesis of tert‐Alkyl Thiocyanates.
Authors: ANDO T. , CLARK J. H. , CORK D. G. , FUJITA M. , KIMURA T. 
Published: May 2016

AbstractThe increase in the nucleophilic activity of the thiocyanate anion on the surface of insoluble inorganic solids is investigated.
ChemInform Abstract: Two Approaches to Angularly Fused Triquinanes via Intramolecular Pauson‐Khand Cyclization.
Authors: SCHORE N. E. , KNUDSEN M. J. 
Published: May 2016

AbstractFormation of the angularly fused triquinanes (XIII) and (XVII) is achieved by cyclization of the pentynylcyclopentenes (XII) and (XVI).
ChemInform Abstract: Cyclization of the 1,3‐Dimethyl‐3‐vinylcyclohexyl Carbonium Ion: A Model for Tetracyclic Diterpene Biosynthesis.
Authors: COATES R. M. , KANG H.‐Y. 
Published: May 2016

AbstractRearrangement of the methylvinylmethylenecyclohexane (I) followed by hydrolysis produces the dimethylbicyclooctanol (II) which is cleaved by dehydration and ozonolysis, forming the ketone (III).
ChemInform Abstract: Stereoselective Reduction of γ‐Oxo‐γ‐phenylbutanoic Acids.
Authors: FRENETTE R. , KAKUSHIMA M. , ZAMBONI R. , YOUNG R. N. , VERHOEVEN T. R. 
Published: May 2016

AbstractReduction of the γ‐oxo acids (III), prepared from (I) as outlined in the reaction scheme, with dibutylaluminum hydride proceeds in a highly stereoselective manner, giving the corresponding γ‐hydroxy acids which are isolated as their lactones (IV) and (V) respectively.
ChemInform Abstract: A New Protocol for the Diastereoselective Formation of Lactones from either Achiral or Chiral Vinylogous Urethanes.
Authors: SCHLESSINGER R. , TATA J. R. , SPRINGER J. P. 
Published: May 2016

AbstractThe enamino esters (I) are coupled with the acyl chlorides (II), yielding the γ‐acyl derivatives (III).
ChemInform Abstract: Efficient Synthesis of 6H‐Pyrido(3,2‐b)carbazole Derivatives from 3‐Amino‐1,3‐dimethylcarbazole.
Authors: LANCELOT J.‐C. , RAULT S. , ROBBA M. , DUNG N. H. 
Published: May 2016

AbstractCyclization of the aminocarbazole (V), derived from the bromoindole (I) and hexane‐2,5‐dione (II), with the β‐keto esters (VI) yields the pyridocarbazolones (VII) after pyrolysis.
ChemInform Abstract: Studies on Syntheses and Reactions of Methoxypyridazines. Part 2. Methoxylation of 3,4,6‐Trichloropyridazine.
Authors: NAGASHIMA H. , UKAI K. , ODA H. , MASAKI Y. , KAJI K. 
Published: May 2016

AbstractSubstitution reaction of the dichloromethoxypyridazine (I) with sodium methoxide yields the dimethoxy derivative (II) and a complex which is cleaved to give the isomeric pyridazine (III).
ChemInform Abstract: The Synthesis and Study of New Selenium and Tellurium Heterocyclic π‐Donors.
Authors: LERSTRUP K. , BAILEY A. , MCCULLOUGH R. , MAYS M. , COWAN D. , KISTENMACHER T. 
Published: May 2016

AbstractThe ethyl ether (Ib) of mucobromic acid (Ia) is reduced to give the diol (IIa) which is then converted to the dichloride (IIb).
ChemInform Abstract: 3,4‐Dichalcogen‐Bridged Fluoranthenes as New Electron Donors: A Study on Their Charge‐Transfer Complexes and Radical Cation Salts.
Authors: OTSUBO T. , MIYAMOTO H. , ASO Y. , OGURA F. 
Published: May 2016

AbstractThe dihydroacenaphthene (I) is chlorinated, forming (II) which is converted to the dichloroacenaphthene (IV) by two methods.
ChemInform Abstract: Aliphatic Acid Dihydrazide Derivatives of Dicyclopentadienylzirconium(IV) Dichloride and Their Reactions with β‐Diketones. Formation of Cyclic Compounds.
Authors: SRIVASTAVA V. , PANDEY O. P. , SENGUPTA S. K. , TRIPATHI S. C. 
Published: May 2016

AbstractThe reactions of dicyclopentadienylzirconium(IV) dichloride (III) with bidentate dihydrazides (II) leads to the formation of the complexes (I) or (IV).
ChemInform Abstract: New Drum and Ladder Organooxotin Carboxylates.
Authors: CHANDRASEKHAR V. , SCHMID C. G. , BURTON S. D. , HOLMES J. M. , DAY R. O. , HOLMES R. R. 
Published: May 2016

AbstractThe hexameric compounds (III) are prepared by reacting butylstannanoic acid (I) with the carboxylic acids (II).
ChemInform Abstract: Preparation of Five‐Coordinate (3‐Chloropyridine)(porphinato)iron(III) Complexes.
Authors: SCHEIDT W. R. , GEIGER D. K. , LEE Y. J. , REED C. A. , LANG G. 
Published: May 2016

AbstractReaction of equimolar quantities of (I) and (II) leads to the simultaneous preparation of the title complex (III) and a new phase of the previously characterized bis(3‐chloropyridine) complex (IV), which is formed even when the starting complex (I) is in excess.
ChemInform Abstract: 3‐Ferrocenyl‐2H‐thiete and 3‐Ferrocenyl‐2H‐thiete 1,1‐Dioxide.
Authors: SEDERGRAN T. C. , DITTMER D. C. 
Published: May 2016

AbstractStarting with acetylferrocene (I), the title compounds (VII) and (VIII) are prepared as shown in the reaction scheme.
ChemInform Abstract: Preparation, Properties, and Molecular Structures of a Rigid Tridentate Chelate Ligand N,N′‐Bis(diphenylphosphino)‐2,6‐diaminopyridine with M(II) and M(0) Transition Metals (M(II): Ni, Pd, Pt; M(0): Cr, Mo, W).
Authors: SCHIRMER W. , FLOERKE U. + , HAUPT H.‐J. 
Published: May 2016

AbstractThe 1:2 molar reaction of diaminopyridine (I) with chlorodiphenylphosphine (II) leads to the title ligand (III).
ChemInform Abstract: Equilibrium and Kinetic Studies of Monoaquo Complexes of Platinum(II). Part 1. Formation from Corresponding Chloro Species by Hydrolysis.
Authors: ERICKSON L. E. , GODFREY M. , LARSEN R. G. 
Published: May 2016

AbstractIn order to discuss the mechanism, the rate and equilibrium constants for the hydrolysis of the complexes (I) are determined.
ChemInform Abstract: Equilibrium and Kinetic Studies of Monoaquo Complexes of Platinum(II). Part 2. Dimerization of Pt(dien)(H2O)2+.
Authors: ERICKSON L. E. , ERICKSON H. L. , MEYER T. Y. 
Published: May 2016

AbstractThe dimerization of (I) by reaction with the base (II) to form the μ‐OH‐bridged species (III) is investigated by pH methods.
ChemInform Abstract: Alkaline Cyclization of Ethoxycarbonylhydrazones of 21‐Hydroxy‐20‐oxosteroids into 17β‐(1′,3′,4′‐Oxadiazin‐2′‐ones) and Its Correlation with the Geometry of the Hydrazone Fragment.
Authors: KAMERNITSKII A. V. , TURUTA A. M. , ISTOMINA Z. I. , KOROBOV A. A. 
Published: May 2016

AbstractThe pregnadienone (I) reacts with ethoxycarbonylhydrazine (II) to give an E/Z mixture of the hydrazone (III).
ChemInform Abstract: Diastereoselective Epoxidation of cis‐4‐Amino Allylic Alcohol with m‐Chloroperbenzoic Acid. An Efficient Synthesis of Statine.
Authors: KOGEN H. , NISHI T. 
Published: May 2016

AbstractThe protected amino alcohols (IV), prepared from the amino aldehydes (I), undergo diastereoselective oxidation with MCPBA to give the syn‐ epoxides (V) as the main products.
ChemInform Abstract: Syntheses with Sulfones. Part 47. Stereoselective Access to 1,3‐ and 1,4‐Dienes Through Hydrogenolysis of Benzenesulfonyldienes. Application to Pheromone Synthesis.
Authors: CUVIGNY T. , HERVE DU PENHOAT C. , JULIA M. 
Published: May 2016

AbstractStereospecific reduction of benzenesulfonyl dienes such as (I) with Grignard reagents such as (II) under transition metal catalysis leads to dienes such as (III).
ChemInform Abstract: EPR Characterization of Er3+ and Yb3+ in Single Crystals of Synthetic Perovskite (CaTiO3).
Authors: BOLDU O. J. L. , ABRAHAM M. M. , BOATNER L. A. 
Published: May 2016

AbstractSingle crystals of CaTiO3 (orthorhombic, space group Pcmn, Z=4) doped with either Er3+ (4f11 electronic configuration) or Yb3+ (4f13) are grown by a flux technique.
ChemInform Abstract: 29Si‐MAS‐NMR Investigations on Crystalline Lead Silicates.
Authors: GRIMMER A.‐R. , HOEBBEL D. , GOETZ J. + , MAEGI M. + 
Published: May 2016

AbstractThe 29Si NMR chemical shifts of ten crystalline lead silicates having PbO:SiO2 ratios between 4:1 and 1:1 are measured (reaction conditions, composition and X‐ray data are listed in a table) and, on the basis of the known constitutions, assigned to silicate structural units.
ChemInform Abstract: Haloselenate(IV) Formation and Selenous Acid Dissociation Equilibria in Hydrochloric and Hydrofluoric Acids.
Authors: MILNE J. 
Published: May 2016

AbstractIn solutions of SeO2 in HX (X: F, Cl) an increase of the HX concentration results in a repression of the ionic dissociation of H2SeO3, which then undergoes a stepwise substitution of OH groups by halogen.
ChemInform Abstract: A Novel Preparation of Keggin‐Type Dodecatungstocobaltate(II) Using (Co(ox)3)3‐ and Hydrogen Peroxide as Starting Materials.
Authors: NOMIYA K. , OCHIAI T. , MIWA M. 
Published: May 2016

AbstractThe dicobalt species (IV) has been prepared in high yield (yield in g) as shown in the scheme.
ChemInform Abstract: Electrochemical Reduction of Some o‐Bis(phenylsulfonyl)benzene Derivatives. Effect of the Substrate Structure and of the Addition of Bases on the Product Distribution.
Authors: NOVI M. , GARBARINO G. , PETRILLO G. , DELL'ERBA C. 
Published: May 2016

AbstractThe results from cyclic voltammetry, controlled‐potential electrolysis, and coulometry strongly argue in support of a mechanism of electrochemical reduction of the title compounds (I) involving initial formation of (I)·‐ radical anion which fragments into the radical (II) and PhSO2‐.
ChemInform Abstract: Electro‐Organic Reactions. Part 29. Cathodic Reduction Activated by Arene‐Chromium Tricarbonyl Complexation.
Authors: CHIU Y. L. , SANT'ANA A. E. G. , UTLEY J. H. P. 
Published: May 2016

AbstractThe chromium tricarbonyl complexes of arenes such as (III) ‐ (VII) are electrochemically reduced at potentials lower than the reduction potentials of the corresponding arenes.
ChemInform Abstract: Selective 1,4‐Chiral Induction in the Reaction of Enolates Generated from t‐Butyl δ‐Hydroxy Carboxylates.
Authors: NARASAKA K. , UKAJI Y. , WATANABE K. 
Published: May 2016

AbstractThe lithium enolates generated from (I) are alkylated stereoselectively to give the syn‐alkylated esters (III); (IIIa) is converted to the sex pheromone (V) of the carpenter bee.
ChemInform Abstract: α‐Lithio Phosphonates as Reagents for the Transformation of Functional Groups. Preparation of α‐Substituted α,β‐Unsaturated Aldehydes.
Authors: TAY M. K. , ABOUJAOUDE E. E. , COLLIGNON N. , SAVIGNAC PH. 
Published: May 2016

AbstractThe phosphonates (I) are lithiated and then coupled with the imine (III) to give the adducts (V).
ChemInform Abstract: S‐Aryl(tetramethyl)isothiouronium Salts as Potential Antimicrobial Agents. Part 2.
Authors: TAIT A. , PARENTI C. , DI BELLA M. , BONDI M. , QUAGLIO G. 
Published: May 2016

AbstractThe isothiouronium salts (I) are prepared by procedures know from the literature.
ChemInform Abstract: Indolo(3,2‐b)carbazole: Product of the Reaction of 3,3′‐Bisindolylmethane with Triethyl Orthoformate.
Authors: PINDUR U. , MUELLER J. + 
Published: May 2016

AbstractThe title compound (II) is obtained by treatment of bisindolylmethane (I) with triethyl orthoformate.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition of N‐Oxide with 2‐Methylene‐1,3‐dithiane.
Authors: YAMAMOTO M. , SUENAGA T. , SUZUKI K. , NARUCHI K. , YAMADA K. 
Published: May 2016

AbstractCycloaddition reaction of nitrile oxides, derived from the hydroxamoyl chlorides (II), with 2‐methylene‐1,3‐dithiane (I) yields the spiro‐isoxazolines (III).
ChemInform Abstract: O‐Acylation of α‐Diazo Ketones. A Novel Route to Alkenediazonium and 1,3‐Dioxolium Salts.
Authors: LORENZ W. , MAAS G. 
Published: May 2016

AbstractThe diazoketones (I) react with acyl triflates (II), forming the diazonium salts (III), which release nitrogen when warmed to room temperature, giving the dioxolium salts (IV), together with some by‐products such as (V).
ChemInform Abstract: Syntheses of 4‐Aroyl and 4‐Disubstituted Hydroxymethylpyridazin‐3(2H)‐ones and Their 3‐Mercapto Derivatives: Synthesis of 1,3‐Dithiano(4,5‐c)pyridazine as a New Ring System.
Authors: SHAMS N. A. , ENAYAT E. I. , SHALABY A. A. , EL‐ABBADY S. A. 
Published: May 2016

AbstractThe reactions between the pyridazinones (Ia) and (Ib) and the Grignard reagents (II) yield mixtures of the corresponding 4‐aroylpyridazinones (III) and the disubstituted 4‐hydroxymethylpyridazinones (IV), whereas the reaction of (Ia) with the benzylic Grignard reagent (V) affords only the 4‐aroyl compound (VI) and the reaction of (Ib) with (V) gives only the 4‐hydroxymethyl compound (VII).
ChemInform Abstract: Studies on 3,5‐Diaminopyrazoles: Synthesis of New Polyfunctionally Substituted Pyrazoloazines and Pyrazoloazoles.
Authors: IBRAHIM N. S. , SADEK K. U. , ABDEL‐AL F. A. 
Published: May 2016

AbstractCondensation reaction of the diaminopyrazole (I) with the olefinic derivatives (II), (IV), (VI), and the nitriles (VIII) yields the pyrazolopyrimidines (III), (V), (VII), and (IX) ‐ (XI).
ChemInform Abstract: Synthesis and Biological Activity of 7,8‐Substituted Theophyllines.
Authors: GLUSHKOV R. G. , OVCHAROVA I. M. , KOPTENKOVA V. A. , NIKITIN V. B. , KAMINKA M. E. , MASHKOVSKII M. D. 
Published: May 2016

AbstractThe theophylline derivatives (VII) and (IX), which have morpholine or piperidine fragments in position 8 and strongly basic amidinoalkyl groups in position 7, are prepared as shown in the reaction scheme.
ChemInform Abstract: Regiocontrolled Synthesis of 4‐Halo‐5,6‐dihydro‐4H‐1,2‐oxazines; a Novel Route for α‐Fluorovinyl Ketones.
Authors: SHATZMILLER S. , LIDOR R. , SHALOM E. 
Published: May 2016

AbstractTreatment with halogens of the lithiated derivative obtained from the oxazine (I) yields the 4‐halo derivatives (II).
ChemInform Abstract: New Synthesis of N‐Substituted Bis(silyl)imines.
Authors: ITO Y. , NISHIMURA S. , ISHIKAWA M. 
Published: May 2016

AbstractThe disilanes (I) react with the isonitriles (II) in the presence of the Pd‐catalyst (III), producing the N‐substituted bis(silyl)imines (IV).
ChemInform Abstract: Carbon‐Carbon Bond Forming Reactions via α‐Phosphoryl‐α‐thio Carbocations.
Authors: ISHIBASHI H. , SATO T. , IRIE M. , ITO M. , IKEDA M. 
Published: May 2016

AbstractThe phosphonate (Ia) reacts with arenes (III), (IV), (VI), or (IX) in the presence of a Lewis acid to give the Friedel‐Crafts products (II), (V), (VII) + (VIII), or (X).
ChemInform Abstract: Synthesis of New Macrocyclic Tetraphosphonium Salts.
Authors: VINCENS M. , GRIMALDO MORON J. T. , PASQUALINI R. , VIDAL M. 
Published: May 2016

Abstract1,2‐Diphenylphosphinoethane (I) is coupled with the isomeric 1,4‐dichloro‐2‐butenes (II) to give the tetraphosphonium salt (III) which is hydrogenated, yielding the saturated system (IV).
ChemInform Abstract: Stabilization of the (AlMe2)+ Cation by Crown Ethers.
Authors: BOTT S. G. , ALVANIPOUR A. , MORLEY S. D. , ATWOOD D. A. , MEANS C. M. , COLEMAN A. W. , ATWOOD J. L. 
Published: May 2016

AbstractThe title ion has been observed during attempts to trap species related to Ziegler‐Natta catalysis with crown ethers.
ChemInform Abstract: The First Direct Evidence for a Cram Chelate.
Authors: REETZ M. T. , HUELLMANN M. + , SEITZ T. 
Published: May 2016

AbstractTreatment of the ketone (I) with MeTiCl3 (II) or with the more reactive agents MeMgCl or MeLi yields the "chelate‐controlled" diastereomer (VII) as the sole product.
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 41. Novel Rhenium(V) Carbonato and Sulfato Chelate Complexes: Synthesis and Investigation of Molecular Dynamics by 17O NMR Spectroscopy.
Authors: HERRMANN W. A. , JUNG K. A. , SCHAEFER A. + , KNEUPER H.‐J. 
Published: May 2016

AbstractThe title complexes (I) and (V) are quite easily synthesized from (III) and the appropriate silver salts.
ChemInform Abstract: Studies of the Pyridine‐Containing Tetra‐azamacrocycle 3,7,11‐Trimethyl‐3,7,11,17‐tetra‐azabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene (L1) and Its Complexes with Ni2+, Cu2+, and Zn2+. Crystal Structures of the Unsymmetric Isomer of (Ni(L1)) (ClO4)2, and the Five‐Coordinate Complexes (Ni(L1)(dmso)) (ClO4)2 (dmso: dimethyl sulfoxide) and (Ni(L1)Cl)ClO4.
Authors: ALCOCK N. W. , MOORE P. , OMAR H. A. A. 
Published: May 2016

AbstractThe four‐ and five‐coordinate complexes (I) and (II), the Zn complexes (III) and (IV), as well as the six‐coordinate binuclear complex (V) are prepared and investigated by 13C NMR and UV.
ChemInform Abstract: Binuclear Copper(I) Complexes Containing Bis(diphenylphosphino)methane Bridging Ligands: Crystal Structure of (Cu2(μ‐dppm)2(MeCN)4) (ClO4)2.
Authors: DIEZ J. , GAMASA M. P. , GIMENO J. , TIRIPICCHIO A. , TIRIPICCHIO CAMELLINI M. 
Published: May 2016

AbstractDepending on the reaction conditions the novel, air‐stable complexes (III)‐(V), in which the copper atoms are bridged only by the diphosphine ligands, are obtained as shown.
ChemInform Abstract: Novel Basic Ligands for the Homogeneous Catalytic Methanol Carbonylation. Part 8. (Tetrahydrofurfuryl)phosphane Complexes of Rhodium(I) with Reactive Rhodium‐Oxygen Bonds.
Authors: LINDNER E. , ANDRES B. 
Published: May 2016

AbstractThe cationic complexes (IV) are obtained by Cl‐ abstraction from (III), the liberated coordination position being ligated to the furfuryl oxygen of the phosphine.
ChemInform Abstract: Synthesis and Resolution of Albicanic Acid. Simple Access to Optically Active Drimane Sesquiterpenes.
Authors: RAGOUSSIS V. , LIAPIS M. , RAGOUSSIS N. 
Published: May 2016

AbstractHydrolysis of the methylester (±)‐(Ia) using Dean's reagent yields the racemic albicanic acid (±)‐(Ib), which undergoes optical resolution to give (+)‐(Ib) and (‐)‐(Ib) with enantiomeric purities of > 95%.
ChemInform Abstract: Asymmetric Synthesis of Methyl α‐Alkyl‐valinates, ‐leucinates, and ‐isoleucinates Using (Cyclohexylidene‐Protected) D‐Galactodialdehyde as Chiral Auxiliary.
Authors: SCHOELLKOPF U. + , TOELLE R. + , EGERT E. , NIEGER M. 
Published: May 2016

AbstractThe Schiff bases (III), formed from the components (I) and (II), are diastereoselectively alkylated to the products (V).
ChemInform Abstract: The “Normalizing Factor” for the Tomato Mutant chloronerva. Part 25. Synthesis of 2‐Epinicotianamine and Nicotianamine.
Authors: RIPPERGER H. , SCHREIBER K. 
Published: May 2016

AbstractThe synthesis of 2‐epinicotianamine (V) and a novel synthesis of nicotianamine (VII) are reported.
ChemInform Abstract: Glycosyl Imidates. Part 25. Muramic Acid as Glycosyl Donor and Glycosyl Acceptor.
Authors: KINZY W. , SCHMIDT R. R. 
Published: May 2016

AbstractThe muramic acid derivatives (Ib) or (Ia), which are accessible from the respective 4‐O‐unsubstituted muramic acid derivatives, are readily transformed into the glycosyl acceptor (IIIb) or the glycosyl donor (Xb) as shown in the scheme.
ChemInform Abstract: Synthesis of 2,2‐Di‐C‐methyl‐2‐deoxy‐ and 4,4‐Di‐C‐methyl‐4‐deoxypyranosides via Michael Addition of Conjugated Enopyranosiduloses.
Authors: KAWAUCHI N. , SATO K. , YOSHIMURA J. , HASHIMOTO H. 
Published: May 2016

AbstractMichael addition of (V) to (I), (III) and (VI) yields the gem‐dimethyl compounds (II), (IV) and (VII).
ChemInform Abstract: Application of Aziridine to the Facile Synthesis of (.+‐.)‐Supinidine (XI) and (.+‐.)‐Trachelanthamidine (VI).
Authors: KAMETANI T. , HIGASHIYAMA K. , OTOMASU H. , HONDA T. 
Published: May 2016

AbstractThe synthons (V) and (X) are prepared from the common intermediate (IV) as shown in the scheme.
ChemInform Abstract: Synthesis of Pheromones with Acetal Structures via Radical C‐C Bond Formation.
Authors: GIESE B. , BARTMANN D. , HASSKERL T. 
Published: May 2016

AbstractThe spirocyclic acetals (IV) and (V) (pheromone type of Andrena bees) and exo‐brevicomin (XIII) (pheromone of Scolytidae beetles) are synthesized as racemates via radical additions to divinyl ketone (II) and methyl vinyl ketone (X), respectively.