bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Selective Preparation of 1‐Substituted 2,2‐Difluoroethenyl Phosphates or 1‐Hydroxyalkanephosphonates Through the Reaction of Chlorodifluoromethyl Ketones with Dialkyl or Diaryl Phosphites.
Authors: ISHIHARA T. , YAMANA M. , MAEKAWA T. , KUROBOSHI M. , ANDO T. 
Published: May 2016

AbstractCoupling of the chlorodifluoromethyl ketones (I) with the phosphites (II) in refluxing THF yields the difluoroalkenyl phosphates (III).
ChemInform Abstract: Stereochemistry of PtO2‐Catalyzed Hydrogenation of (Ethylenebis(indenyl))zirconium Dichloride.
Authors: WAYMOUTH R. M. , BANGERTER F. , PINO P. 
Published: May 2016

AbstractCatalytic deuteration of the title compound with PtO2 under 100 bar of D2 in CH2Cl2 is carried out to give ethylenebis(4,5,6,7‐tetradeuterio‐1‐indenyl)zirconium dichloride.
ChemInform Abstract: Synthesis of Heterocyclic Compounds Containing Germanium and Nitrogen as Hetero‐Atoms. Part 1.
Authors: SHITARA K. , SATO Y. , NAKAGAWA R. 
Published: May 2016

AbstractThe five‐ and six‐membered heterocyclic compounds (VI), (XI), and (XIV) containing both germanium and nitrogen are synthesized from chloro‐(chloromethyl)dimethylgermane (II) and primary amines.
ChemInform Abstract: Monomeric and Dimeric Ruthenium(II) η2‐Dihydrogen Complexes with Tricyclohexylphosphine Coligands.
Authors: ARLIGUIE T. , CHAUDRET B. , MORRIS R. H. , SELLA A. 
Published: May 2016

AbstractThe recently described hexahydride complex RuH6L2 (L: tris(cyclohexyl)phosphine) is reformulated as (I) consistent with its spectra and chemistry.
ChemInform Abstract: Stereospecific Synthesis of Squalenoid Epoxide Vinyl Ethers as Inhibitors of 2,3‐Oxidosqualene Cyclase.
Authors: CERUTI M. , VIOLA F. , DOSIO F. , CATTEL L. , BOUVIER‐NAVE P. , UGLIENGO P. 
Published: May 2016

AbstractThe synthesis of the title compounds (VI) and (VII) involves the preparation of the bromohydrins (II) by a new method via a one‐step cleavage of lipophilic epoxides (Ia)/(Ib) using HIO4 in Et2O, and the subsequent reaction of (II) with the phosphine oxide (IV) which is reported to give the isomers (Va) and (Vb).
ChemInform Abstract: Secondary Mould Metabolites. Part 19. Structure Elucidation and Absolute Configuration of Melledonals B and C, Novel Antibacterial Sesquiterpenoids from Armillaria mellea. X‐Ray Molecular Structure of Melledonal C.
Authors: ARNONE A. , CARDILLO R. , NASINI G. , MEILLE S. V. 
Published: May 2016

AbstractThe absolute configuration and the preferred conformation, both in the solid state and in solution of melledonal C (Ic) are determined by 1H and 13C NMR spectroscopy and by X‐ray analysis.
ChemInform Abstract: An Improvement of the Anderson Test by the Use of High Performance Liquid Chromatography.
Authors: MIYAZAWA T. , YAMADA T. , KUWATA S. 
Published: May 2016

AbstractThe model coupling of Z‐Gly‐L‐Phe‐OH with Gly‐O‐Et to give the peptide (Ia) proposed by Anderson to test the racemization in peptide coupling is varied by replacement of the N‐benzyloxycarbonyl group of (Ia) by Z‐Ala.
ChemInform Abstract: Sulfur and Selenium Compounds. Part 116. 77Se NMR Spectra of Se7 and Se5S2 Prepared from Titanocene Pentaselenide; Evidence for Pseudorotation.
Authors: STEUDEL R. , PAPAVASSILIOU M. , KRAMPE W. 
Published: May 2016

AbstractTitanocene pentaselenide react with the sulfur and selenium chlorides S2Cl2 and Se2Cl2 in CS2 to give Se5S2 and Se7, respectively.
ChemInform Abstract: HxMoO3 Bronzes: Structures, Stabilities, and Electronic Properties.
Authors: MEHANDRU S. P. , ANDERSON A. B. 
Published: May 2016

AbstractIn the course of this theoretical study it is predicted that H. adsorbs most strongly on the basal plane O2‐ for the low as well as high hydrogen content bronze and that for the higher hydrogen content bronze OH2 groups are formed.
ChemInform Abstract: Structural Distortion of Fe4S4I2‐ 2 Clusters Through Iodine‐Iodine Contacts: Crystal Structures of (Ph4P)2Fe4S4I4 (I) and (Me3NCH2Ph)2Fe4S4I4 (II).
Authors: POHL S. , SAAK W. 
Published: May 2016

AbstractThe title compounds are prepared in 95% yield by previously described procedures.
ChemInform Abstract: Crystal and Molecular Structure, Magnetic and Spectral Properties of Triaquobis(quinoxaline)copper(II) Perchlorate.
Authors: LUMME P. , LINDROOS S. , LINDELL E. 
Published: May 2016

AbstractThe distorted trigonal‐bipyramidal title complex is prepared by 1:2 molar reaction of Cu(ClO4)2·6 H2O with quinoxaline in ethyl acetate (no yield given).
ChemInform Abstract: Decreased Overall Basicity of a Series of New N,N′‐Bis(carboxymethyl) Macrocyclic Ether‐Bis(lactone) Ligands Derived from EDTA and the Ring Size Effect on the Stability Constants of Their Lanthanoid Complexes.
Authors: CHANG C. A. , CHANG P. H.‐L. , QIN S.‐Y. 
Published: May 2016

AbstractIn order to examine the effects of the position of the nitrogen donor atoms and relative coordination sites of the two carboxylate groups on lanthanoid complexation the title macrocyclic ligands (III) are prepared as shown.
ChemInform Abstract: Steric Effects of Nitro and Methoxy Groups in 2,2′‐Bridged Biphenyls.
Authors: INSOLE J. M. 
Published: May 2016

AbstractThe bridged dinitro biphenyls (IV), (VII), and (VIII) are prepared each in both enantiomeric forms as shown in the scheme for one enantiomer of the respective compounds.
ChemInform Abstract: An Efficient Electrophile‐Initiated Homoconjugate Addition of Acetate to Cyclopropyl Ketones.
Authors: RIGBY J. H. , SENANAYAKE C. 
Published: May 2016

AbstractCleavage of the fused cyclopropanones (I) and (VII) with acetic anhydride (II) in the presence of boron trifluoride etherate leads to the formation of the unsaturated diacetates (III) and (IV) or (VIII).
ChemInform Abstract: Cycloadditions. Part 36. A Novel Method of Ring Formation with Functionalized Angular Methyl Groups. Limitations and MM2 Calculations.
Authors: HASSNER A. , AMARASEKARA A. S. , PADWA A. , BULLOCK W. H. 
Published: May 2016

AbstractThe ring closure of the nitrile oxides (VII) via intramolecular 1,3‐dipolar cycloaddition reaction is investigated.
ChemInform Abstract: A Selective Synthesis of α‐Methylene‐β‐hydroxyalkanones Catalzyed by RuH2(PPh3)4.
Authors: MATSUDA I. , SHIBATA M. , SATO S. 
Published: May 2016

AbstractThe C‐C coupling between the vinyl ketones (I) and the aldehydes (II) is catalyzed by a ruthenium hydride complex.
ChemInform Abstract: Carbon‐Carbon Bond Formation Through the Carbonylation of Lithium Dialkylamides. One‐Pot Synthesis of N‐Alkyl Substituted Formamides, Glyoxylamides, and Hydroxymalonamides.
Authors: PEREZ D. G. , NUDELMAN N. S. 
Published: May 2016

AbstractThe reaction mentioned in the title is investigated in order to determine the influence of the substituents at the amino group, of solvents, and temperature on the distribution of the products (V) ‐ (VII).
ChemInform Abstract: Stereochemical Aspects of Catalytic Hydrogenation of 2,3‐Di‐ and 2,3,4‐Trisubstituted 2‐Cyclopenten‐1‐ones and Reactivity of the Resulting Cyclopentanones.
Authors: LOZA E. , LOLA D. , FREIMANIS J. , TUROVSKIS I. , ROZITE S. , BOKALDERE R. , SAHARTOVA O. 
Published: May 2016

AbstractHydrogenation of the enone moiety in the cyclopentenone (I) yields all possible isomers of the silyl derivatives (III)‐(VII), each of which can be isolated with 87‐97% purity, together with small amounts of the methyl ethers (VII) and (VIII).
ChemInform Abstract: Electroactive Organic Materials. Preparation and Properties of 2‐(2′‐Hydroxyethoxy)‐7,7,8,8‐tetracyano‐p‐quinodimethane.
Authors: MIURA Y. , TORRES E. , PANETTA C. A. , METZGER R. M. 
Published: May 2016

AbstractThe key step in the synthesis of the title compound (X) is the elimination of hydroxytrimethylsilane from the bis(dicyanosiloxymethyl)phenol ether (VIII).
ChemInform Abstract: The Effect of Nitrogen Donors on the Reactivity of Copper(I) Aryloxides: Synthesis of Thionocarbonates.
Authors: NARASIMHAMURTHY N. , SAMUELSON A. G. 
Published: May 2016

AbstractThe phenoxides (I) react with triethylamine (II) and cuprous chloride (III) to form the complexes (IV) which are treated with carbon disulfide (V) to give the symmetric thionocarbonates (VI).
ChemInform Abstract: Synthesis and X‐Ray Structure Determination of Two 1,2‐Diphenyl Derivatives of Cyclopropane: Effects of the Aromatic Substituents on the Geometry of the Small Ring.
Authors: TINANT B. , WU S. , DECLERCQ J.‐P. , VAN MEERSSCHE M. , LEROY D. , WEILER J. 
Published: May 2016

AbstractCycloaddition reaction of the stilbene derivatives (I) and (IV) with the diazoalkanes (II) or (V) yields pyrazolines which decompose either in situ or upon heating.
ChemInform Abstract: Diisophorone and Related Compounds. Part 19. Synthesis and Reactions of 6,8‐Dibromodiisophorones.
Authors: KURZER F. , MITCHELL J. B. O. , PATEL J. N. 
Published: May 2016

AbstractTreatment of the diisophorone derivatives (I) with 2 equiv. NBS results in the formation of single isomers (III) (probably 6α‐ax, 8β‐eq); the intermediates (II) are accessible in 35/56% yield by using 1 equiv. NBS.
ChemInform Abstract: Introduction of Carbon Substituents into Oxyanthraquinones Using Acetylenic Condensation Reactions.
Authors: MOROZ A. A. , GALEVSKAYA T. P. , SHVARTSBERG M. S. 
Published: May 2016

AbstractCoupling of 1‐hydroxy‐4‐iodoanthraquinone (Ia) with phenylacetylene (II) in the presence of a Pd/Cu‐catalyst or of the methoxy compound (Ib) with the copper acetylenide (IV) gives the phenylethynyl derivatives (III).
ChemInform Abstract: Improved Synthesis of 3‐Substituted 7‐Methoxybenzofurans, Useful Intermediates for Preparation of Morphine Analogues.
Authors: JUNG M. E. , ABRECHT S. 
Published: May 2016

Abstract2,3‐Dimethoxybenzoyl chloride (I), prepared from the corresponding benzoic acid, is converted to the diazo ketone (III) which is directly subjected to acid‐induced ring‐closure, yielding the benzofuranone (IV).
ChemInform Abstract: Synthesis of Some Indole Derivatives.
Authors: HOGALE M. B. , SALUNKHE V. K. , KACHARE D. S. 
Published: May 2016

AbstractThe indole derivative (V) is obtained from the N‐cyanoethylaniline (III) by coupling with 1‐benzoylethyl bromide (IV), followed by cyclodehydration in the presence of P2O5.
ChemInform Abstract: A Route to the Pyrrolizidine Ring System Using a Novel Radical Cyclization.
Authors: LATHBURY D. C. , PARSONS P. J. , PINTO I. 
Published: May 2016

AbstractRing enlargement of the cyclopropanes (I) yields the pyrrolines (II) which undergo Diels‐Alder reaction with the butadiene precursor (III) to give the hexahydroindoles (IV).
ChemInform Abstract: Synthesis of Indolizines from N‐(2,2,2‐Trifluoroethyl)pyridinium Triflate. Evidence for the Generation of Pyridinium (Trifluoromethyl)methylide.
Authors: BANKS R. E. , MOHIALDIN S. N. 
Published: May 2016

AbstractThe methylide (II), formed by treatment of pyridinium triflate (I) with bases, is trapped with the acetylenes (III) to produce the dihydroindolizines (IV) which are partly dehydrogenated to form the indolizines (V).
ChemInform Abstract: Optically Enriched Alkyltrimethylsilanes by Haller‐Bauer Cleavage of Optically Active, Non‐Enolizable α‐Silyl Phenyl Ketones.
Authors: PAQUETTE L. A. , GILDAY J. P. , RA C. S. , HOPPE M. 
Published: May 2016

AbstractThe chiral menthyl esters (I) are converted to the phenyl ketones (III) by consecutive reductive cleavage, phenylation, and oxidation.
ChemInform Abstract: Reactions of (C5Me5)M(2,3‐dimethyl‐1,3‐butadiene)Cl (M: Ti, Hf) with Symmetrical Acetylenes.
Authors: HESSEN B. , TEUBEN J. H. 
Published: May 2016

AbstractThe reactivity of the electronically unsaturated diene title complexes (I) with sym. acetylenes CH≡CH, (II), and (IV) is reported.
ChemInform Abstract: Main Group Metal Halide Complexes with Sterically Hindered Thioureas. Part 8. Complexes of Lead(II) Halides with 1,3‐Dimethyl‐2(3H)‐imidazolethione.
Authors: WILLIAMS D. J. , JONES R. L. , POOR P. H. 
Published: May 2016

AbstractReactions of PbCl2 and Pb(SCN)2 with an excess of the title ligand in hot water lead to the probably anion‐bridged, polymeric complexes (I) and (II).
ChemInform Abstract: Charge‐Transfer‐Assisted Polynucleation Reactions. A Trinuclear Carbonyltungsten Complex of Ambident 4,4′‐Bipyrimidine.
Authors: ERNST S. , KAIM W. 
Published: May 2016

AbstractThe efficient back bonding in the complex (I) increases the basicity at the other coordination centers of the ligand.
ChemInform Abstract: Magnetic and Spectroscopic Characterization of an Iron Porphyrin Peroxide Complex. Peroxoferrioctaethylporphyrin(1‐).
Authors: BURSTYN J. N. , ROE J. A. , MIKSZTAL A. R. , SHAEVITZ B. A. , LANG G. , VALENTINE J. S. 
Published: May 2016

AbstractThe title complex (I), which is possibly analogous to an oxygenated intermediate involved in reactions of cytochrome P 450, is prepared by reaction of chloro‐octaethylporphyrinatoiron(III) with tetramethylammonium superoxide in MeCN.
ChemInform Abstract: Copper(II) Complexes with Schiff Base Ligands. Synthesis of Some Copper(II) Complexes with Ligands Derived from the Reaction of Pyridine‐2‐carboxaldehydes and Aromatic Amines.
Authors: JOHNSON D. W. , MAYER H. K. , MINARD J. P. , BANATICLA J. , MILLER C. 
Published: May 2016

AbstractThe Schiff base ligands, prepared by refluxing the pyridine‐2‐carboxaldehydes with appropriate amines in benzene, react with Cu(II) tetrafluoroborate in hot MeOH to give the title complexes (I).
ChemInform Abstract: Synthesis of Enkephalin Analogues. Part 2. Analogues of Lengthened and Shortened Sequence.
Authors: PARUSZEWSKI R. , MATUSIAK R. , ROSTAFINSKA‐SUCHAR G. , GUMULKA S. , KRZASCIK P. 
Published: May 2016

AbstractThe peptides (I)‐(III) are synthesized according to common procedures.
ChemInform Abstract: Peptide Synthesis Using the Pyrrole Ring as an Amino Protecting Group.
Authors: KASHIMA C. , MARUYAMA T. , HARADA K. , HIBI S. , OMOTE Y. 
Published: May 2016

AbstractThe N‐termini of various amino acids such as (Ia), (Ib), or esters (Ic), (Id) (as hydrochlorides) are protected with a pyrrole ring by treatment with the compounds (II) or (IV) (→ (III), (V)).
ChemInform Abstract: Wittig Reactions on Unprotected Aldohexoses: Formation of Optically Active Tetrahydrofurans and Tetrahydropyrans.
Authors: DAVIDSON A. H. , HUGHES L. R. , QURESHI S. S. , WRIGHT B. 
Published: May 2016

AbstractGlucose (I) reacts with the sulfonylphosphonate (II) to form the tetrahydrofurans (IV) after acetylation.
ChemInform Abstract: Derivatives of Tetra‐ and Hexahydrodibenzofurans as Morphine Analogues. Part 1. Synthesis and Stereospecific Epoxidation of Intermediate Arylalkylcyclohexenes.
Authors: LABIDALLE S. , MIN Z. Y. , REYNET A. , MOSKOWITZ H. , VIERFOND J.‐M. , MIOCQUE M. , BUCOURT R. , THAL C. 
Published: May 2016

AbstractClaisen‐Eschenmoser reaction of ethers, e.g. (IV), leads to arylalkylcyclohexenes such as (VI).
ChemInform Abstract: Reaction of Four‐Membered Cyclic Nitrones with Acetyl Chloride. X‐Ray Crystal Structures of 2‐((Acetyloxy)amino)‐N,N‐diethyl‐2‐methyl‐4‐oxo‐3‐phenylpentanamide and 1‐Acetyl‐3‐chloro‐N,N‐diethyl‐2‐methyl‐4‐methylene‐3‐phenyl‐2‐azetidinecarboxamide.
Authors: VAN EIJK P. J. S. S. , TROMPENAARS W. P. , REINHOUDT D. N. , HARKEMA S. 
Published: May 2016

AbstractReactions of four‐membered cyclic nitrones such as (I) with acetyl chloride (II) in the presence of water gives the alkanamides (III) whereas under anhydrous conditions the azetidine carboxamides (IV) are formed from (Ia)‐(Ic) or the compound (V) is formed from (Id).
ChemInform Abstract: A Novel Method for the Synthesis of 9‐Benzyl‐6‐(2‐methylhydrazino)purine and 1‐Methyl‐4‐(2‐methylhydrazino)‐1H‐pyrazolo(3,4‐d)pyrimidine.
Authors: HOSMANE R. S. , LIM B. B. 
Published: May 2016

AbstractThe 5‐amino‐4‐cyanodiazoles (I) are converted to the formimidates (III) by reaction with trimethyl orthoformate (II).
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 12. Conversion of Boronic Esters of Essentially 100% Optical Purity into Monoalkylthexylboranes Providing Convenient Synthetic Routes to trans‐Olefins, cis‐Olefins, Alkynes, and Ketones of Very High Enantiomeric Purities.
Authors: BROWN H. C. , BAKSHI R. K. , SINGARAM B. 
Published: May 2016

Abstract2‐Alkyl‐dioxaborinanes of essentially 100% optically purity, such as (VI) prepared from components such as (I) and (II), can be transformed to monoalkylthexylboranes such as (XI) as outlined on the scheme.
ChemInform Abstract: Asymmetric Synthesis via Heterocyclic Intermediates. Part 37. Asymmetric Synthesis of Dimethyl (R)‐2‐Amino‐E‐hept‐4‐enedioates by the Bislactim Ether Method.
Authors: PETTIG D. , SCHOELLKOPF U. + 
Published: May 2016

AbstractMichael addition reaction of the lithiated bislactim ether (III) of cyclo‐(L‐Val‐Gly) (I) with the 2,4‐pentadienoates (IV) proceeds regioselectively, forming only one diastereomer of the adducts (V).
ChemInform Abstract: Unusual Anthelminthic Oxazoles from a Marine Sponge.
Authors: ADAMCZESKI M. , QUINOA E. , CREWS P. 
Published: May 2016

AbstractThe constituents (Ia) (= bengazole A) and (Ib) (= bengazole B) are isolated from a Jaspidae Fiji sponge and shown to possess anthelminthic acitivity.
ChemInform Abstract: An Improved Synthesis of the Antithyroid Factor DL‐Goitrin.
Authors: BRANDSMA L. , BOS K. D. , KEEGSTRA M. A. , VERKRUIJSSE H. D. 
Published: May 2016

AbstractUsing excess KCN and glacial AcOH the difficulties can be avoided arising from moisture in the synthesis of the cyanohydrin (IV).
ChemInform Abstract: The Amido‐Ammine Bridging Ligand (H5N‐ 2).
Authors: HECK L. , ARDON M. , BINO A. , ZAPP J. 
Published: May 2016

AbstractThe single crystal XRD data of compound (II) (space group P1, Z=2) confirms the existence of a bridging (H5N2‐) ligand.
ChemInform Abstract: Defect Structure and Electrical Properties of Single‐Crystal Ba0.03Sr0.97TiO3.
Authors: CHOI G. M. , TULLER H. L. 
Published: May 2016

AbstractMeasurements of the electrical conductivity and thermoelectric power of the title compound over the temp. range 800‐1100 °C at oxygen partial pressures of 1·105‐1·10‐15 Pa support a defect model which includes doubly ionized oxygen vacancies, electrons, holes, and background levels of acceptor impurities.
ChemInform Abstract: Anodic Behavior of Carbon Steel in Concentrated NaOH Solutions.
Authors: ZOU J.‐Y. , CHIN D.‐T. 
Published: May 2016

AbstractThe anodic behavior of a carbon steel rotating disk electrode in deaerated 1‐9 N NaOH solutions at 25‐80 °C is examined over a potential range from active to transpassive potentials.
ChemInform Abstract: Theoretical Elucidation of the Origin of the Anomalously High Acidity of Meldrum′s Acid.
Authors: WANG X. , HOUK K. N. 
Published: May 2016

AbstractInvestigation of the acidity of syn and anti Me‐CO‐O‐Me using ab initio calculations with several basis sets indicates that the deprotonation of the anti conformer requires 5.4 kcal/mol less energy than that of the syn conformer.
ChemInform Abstract: Antiparasitic Agents. Part 6. Synthesis of 1,2‐, 1,3‐ and 1,4‐Bis(4‐substituted aryloxy)benzenes and Their Biological Activities.
Authors: CHAUHAN P. M. S. , IYER R. N. , BHAKUNI D. S. , SHANKHDHAR V. , GURU P. Y. , SEN A. B. 
Published: May 2016

AbstractThe diamidine (IV), its meta and para isomer as well as a series of analogues are prepared in order to test their antileishmanial (in vitro and in vivo) and antimicrobial activity.
ChemInform Abstract: Stereospecific Synthesis of 2,3‐Dimethyl‐1,4‐thiamorpholines by Cyclization of β‐N‐Methoxycarbonylaminoalkyl Vinyl Sulfoxides and Related Compounds.
Authors: BRUNET E. , GALLEGO M. T. , GARCIA RUANO J. L. , PARELLADA D. , RODRIGUEZ J. H. , URBANO A. 
Published: May 2016

AbstractStarting from the erythro‐(I), the α‐ and β‐sulfoxides (V) and (VII) are prepared as separable diastereomeric mixture (no ratio given) via the aziridine (III).
ChemInform Abstract: Synthesis of 5‐Phenyl‐2‐thioxo‐1,3,4‐benzotriazepines.
Authors: RICHTER P. , MORGENSTERN O. , BESCH A. 
Published: May 2016

AbstractThe title compounds (XV) are prepared by four different methods: by cyclization of the thiosemicarbazides (V) or the hydrazones (XII) or (XIV) or by sulfuration of the oxo analogues (XVI).
ChemInform Abstract: Formation and Reaction Chemistry of Trimethylamine‐Trimethylphosphine‐Diborane(4).
Authors: DEPOY R. E. , KODAMA G. 
Published: May 2016

AbstractWhereas the trimethylamine adduct of B3H7 reacts with PMe3 to give the bis‐phosphine adduct of diborane, the trimethylphosphine adduct (I) reacts with NMe3 (II) to yield the mixed‐ligand adduct (III), which is characterized by 11B(1H) NMR spectroscopy.
ChemInform Abstract: Formation of the Novel Neopentylideneborane Me3Si(But)N=B=CHBut from the Tantalum Neopentylidene Complex ((η‐C5H5)Cl2Ta=CHBut) by Metathesis.
Authors: MANNERS I. , PAETZOLD P. 
Published: May 2016

AbstractMetathesis of the cyclic tantalum compound (III), prepared from the tantalum alkylidene complex (I) and the aminoiminoborane (II) by cycloaddition reaction, yields the tantalum imido complex (IV) and the organoboron compound (V) mentioned in the title.
ChemInform Abstract: Low‐Symmetry, Mixed‐Valent, μ‐Oxo Technetium Complexes with Pyridine and Halide Ligands.
Authors: CLARKE M. J. , KASTNER M. E. , PODBIELSKI L. A. , FACKLER P. H. , SCHREIFELS J. , MEINKEN G. , SRIVASTAVA S. C. 
Published: May 2016

AbstractThe dinuclear dissym.
ChemInform Abstract: Detection of the Fe‐O‐O‐Fe Intermediate in the Oxidation Reaction of Ferrous Porphyrins by Resonance Raman Spectroscopy.
Authors: PAENG I. R. , SHIWAKU H. , NAKAMOTO K. 
Published: May 2016

AbstractThe oxidation of tetramesitylporphyrinatoiron(II) in toluene saturated with O2 to give a μ‐oxo dimer via three intermediates, is followed spectroscopically.
ChemInform Abstract: 5‐Demethylretinal and Its 5‐2H, 7‐2H and 5,7‐2H2 Isotopomers. Synthesis, Photochemistry and Spectroscopy.
Authors: SPIJKER‐ASSINK M. B. , WINKEL C. , BALDWIN G. S. , LUGTENBURG J. 
Published: May 2016

AbstractThe readily available keto ester (II) is converted to the undeuterated and deuterated aldehydes (III) from which the title compounds as mostly separable mixtures of all‐trans‐((VIa)‐(VId)), 13‐cis‐((VIIa)‐(VIId)), 11‐cis‐((VIIIa)‐(VIIId)), and 9‐cis‐((IXa)‐(IXb)) isomers are obtained.
ChemInform Abstract: Diacylamines ‐ Perfect Acylating Agents for Peptide Synthesis.
Authors: GRUSZECKI W. , GRUSZECKA M. , BRADACZEK H. 
Published: May 2016

AbstractA series of 2,6‐dichlorobenzoyl (DCB) acylamines such as (III) containing N‐protected amino acids is prepared starting from (I) and (II).
ChemInform Abstract: N,N′‐Bis(2‐oxo‐3‐oxazolidinyl)phosphorodiamidic Azide: A Useful Coupling Agent in Peptide Synthesis.
Authors: KATTI S. B. , MISRA P. K. , HAQ W. , MATHUR K. B. 
Published: May 2016

AbstractThe title compound (I), prepared according to a literature procedure, is shown to be an efficient coupling reagent in peptide synthesis.
ChemInform Abstract: Stereoselective Synthesis of C‐Glycosyl Compounds via Michael Addition of Trimethylsilyl Enol Ethers and Enamines to Hex‐1‐enopyran‐3‐uloses.
Authors: KUNZ H. , MUELLER B. + , WEISSMUELLER J. + 
Published: May 2016

AbstractTitanium(IV)‐catalyzed reaction of the trimethylsilyl enol ethers (II) with the enuloses (I) gives the C‐glycosyl compounds (III) via Michael addition.
ChemInform Abstract: Glycosyl Imidates. Part 22. C‐Glucosylarenes from O‐α‐D‐Glucosyl Trichloroacetimidates. Structure of Bergenin Derivatives.
Authors: SCHMIDT R. R. , EFFENBERGER G. 
Published: May 2016

AbstractC‐Glycosylation of the oxysubstituted benzene derivatives (II) with O‐α‐D‐glucopyranosyl trichloroacetimidate (Ia) in the presence of a Lewis acid gives the β‐D‐glucopyranosyl arenes (III) as the main products.
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 218. Stereoselective Synthesis of 3‐(D‐Glycopyranosyl)propenes by Use of Allylsilanes.
Authors: HOSOMI A. , SAKATA Y. , SAKURAI H. 
Published: May 2016

AbstractReaction of the allylsilanes (II) with the methyl pyranosides or pyranosyl chlorides (I) and (IV) gives stereoselectively the corresponding C‐α‐D‐glycosides (III) and (V).