bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Pd Clusters Containing As and PPh3 Ligands. Structures of Pd9As6(PPh3)8, Pd2(As2)(PPh3)4, and Pd20As12(PPh3)12.
Authors: FENSKE D. , FLEISCHER H. , PERSAU C. 
Published: May 2016

AbstractThe title cluster (III) (space group P21/n, Z=4), (IV) (Pn3, Z=2), and (V) (P1, Z=2) are obtained by the reaction shown.
ChemInform Abstract: Novel Monoaromatic Triterpenoid Hydrocarbons Occurring in Sediments.
Authors: WOLFF G. A. , TRENDEL J. M. , ALBRECHT P. 
Published: May 2016

AbstractThe hydrocarbons (I) and (II) are prepared starting from lupanol; hydrocarbons (III) are synthesized starting from a mixture of urs‐12‐en‐3β‐ol and olean‐12‐en‐3β‐ol.
ChemInform Abstract: Optically Active Pentadienyltin Reagent and Its Application to Asymmetric Synthesis of (R)‐7,11‐Dideoxydaunomycinone.
Authors: NARUTA Y. , NISHIGAICHI Y. , MARUYAMA K. 
Published: May 2016

AbstractEnzymatic reduction of the unsaturated β‐keto ester (I) yields the chiral alcohol (II) which is converted into the pentadienylstannane (VII).
ChemInform Abstract: Prostanoids. Part 29. Selective Oxidation of the Bis(trimethylsilyl) Ether of 7α‐Hydroxy‐6β‐hydroxymethylen‐2‐oxabicyclo(3.3.0)octan‐3‐one by Cr(VI) Reagents as the Key Stage in the Synthesis of Sulprostone.
Authors: TOLSTIKOV G. A. , ADLER M. E. , MIFTAKHOV M. S. 
Published: May 2016

AbstractStarting from the bis(trimethylsilyl) ether (I) the title compound (X) ‐"sulprostone"‐ is prepared.
ChemInform Abstract: Crystal Structures and Conformational Analysis of Ochratoxin A (Ia) and B (Ib): Probing the Chemical Structure Causing Toxicity.
Authors: BREDENKAMP M. W. , DILLEN J. L. M. , VAN ROOYEN P. H. , STEYN P. S. 
Published: May 2016

AbstractBoth (Ia) and (Ib) have space group P21 with Z=2.
ChemInform Abstract: Mullite/Alumina Particulate Composites by Infiltration Processing.
Authors: MARPLE B. R. , GREEN D. J. 
Published: May 2016

AbstractA method for incorporating mullite into alumina is described that involves infiltration of a porous alumina compact with a prehydrolyzed ethyl silicate solution, followed by heating to decompose the infiltrant, form mullite, and densify the composite.
ChemInform Abstract: Preparation, Sintering, and Properties of Translucent Er2O3‐Doped Tetragonal Zirconia.
Authors: DURAN P. , RECIO P. , JURADO J. R. , PASCUAL C. , MOURE C. 
Published: May 2016

AbstractTetragonal zirconia doped with 3 mol.% Er2O3 is prepared by the gel‐precipitation wet‐chemical method (addn.
ChemInform Abstract: The Molecule S=SiCl2. Matrix IR Investigation and ab initio SCF Calculations.
Authors: SCHNOECKEL H. + , GOECKE H. J. + , KOEPPE R. + 
Published: May 2016

AbstractThe title monomer is formed in a matrix photolysis reaction between SiS (generated at 1450 K from H2S and solid Si) and Cl2 and detected by IR spectroscopy and some isotopic shifts.
ChemInform Abstract: Observation of “Magic Numbers” in the Population Distributions of the (NH3)n‐1NH+ 2 and (NH3)nH+ 2 Cluster Ions: Implications for Cluster Ion Structures.
Authors: PEIFER W. R. , COOLBAUGH M. T. , GARVEY J. F. 
Published: May 2016

AbstractThe population distributions of the title cluster ions, produced via electron impact ionization of a supersonic molecular beam of neutral ammonia clusters, are measured as functions of cluster ion size, neutral beam stagnation temp., and electron impact energy.
ChemInform Abstract: Thermochemical Properties of Gas‐Phase MgOH and MgO Determined by Fourier Transform Mass Spectrometry.
Authors: OPERTI L. , TEWS E. C. , MACMAHON T. J. , FREISER B. S. 
Published: May 2016

AbstractThe gas‐phase values of the bond dissociation energies (D°(Mg+‐OH) = 75 kcal/mol; D°(Mg+‐O) = 53 kcal/mol) and the ionization potentials (IP(MgOH) = 7.3 eV; IP(MgO) = 7.9 eV) are determined by photodissociation measurements and charge‐transfer reactions with FT mass spectrometry.
ChemInform Abstract: Synthetic Inorganic Ion‐Exchange Materials. Part 51. Synthesis, Characterization, and Thermal Decomposition of Cubic Ammonium Molybdate.
Authors: KHAN A. J. , TSUJI M. , ABE M. 
Published: May 2016

AbstractA crystalline cubic ammonium molybdate (CAM) is prepared by reaction of hexaammonium heptamolybdate and HNO3 at 60 °C (up to 98% yield), and characterized by XRD, DTA, TG, IR spectroscopy, and SEM.
ChemInform Abstract: Stereogenic (Chiral) Methyl Groups: Determination of Configuration by Direct Tritium NMR Spectroscopy.
Authors: ANET F. A. L. , O'LEARY D. J. , BEALE J. M. , FLOSS H. G. 
Published: May 2016

AbstractThe 3H(1H,2H) NMR method described allows to discriminate between diastereomers such as (III) and (IV).
ChemInform Abstract: Highly Nucleophilic Tributyltin Azide in Oxirane Ring Cleavage Leading to 1,2‐Azido Alcohol.
Authors: SAITO S. , YAMASHITA S. , NISHIKAWA T. , YOKOYAMA Y. , INABA M. , MORIWAKE T. 
Published: May 2016

AbstractTributylstannyl azide (III), generated from the stannyl chloride (I) and sodium azide (II), is used in the nucleophilic cleavage of the epoxides (IV), (VI), and (IX), yielding the vicinal azido alcohols (V), (VII) and (VIII), or (X) and (XI).
ChemInform Abstract: A Laser Flash Photolysis Study of Photodehydroxylation Phenomena of 9‐Phenylxanthen‐9‐ol and Photobehavior of Related Intermediates. Enhanced Electrophilicity of 9‐Phenylxanthenium Cation Singlet.
Authors: MINTO R. E. , DAS P. K. 
Published: May 2016

AbstractIn aqueous MeCN the heterolytic (and homolytic) photodehydroxylation of (I) appears.
ChemInform Abstract: Photochemical Reactivity of 2(IrIIIHCl2(PiPr3)2)·H2. Formation of Monohydrido Isomers of IrIII and Evidence of Photoinduced Oxidative Addition of H2 to IrIII.
Authors: BERGAMINI P. , SOSTERO S. , TRAVERSO O. , MURA P. , SEGRE A. 
Published: May 2016

AbstractDissolving the paramagnetic Ir(IV) complex (I) in CH2Cl2 or CHCl3 yields in situ the title Ir(III) system, which on photolysis using light at 404 nm three new geometrical isomers gives with a quantum yield of 0.75.
ChemInform Abstract: Photoreactions of N‐Methylphenanthrene‐9,10‐dicarboximide with Alkenes and Dienes. Heavy‐Atom Effect of Halides.
Authors: KUBO Y. , TOGAWA S. , YAMANE K. , TAKUWA A. , ARAKI T. 
Published: May 2016

AbstractIrradiation of the imide (I) at wavelengths above 400 nm produces the syn‐dimer (II), the reverse reaction is effected by irradiation of (II) at shorter wavelengths (>320 nm).
ChemInform Abstract: Pt/C Oxidation Catalysts. Part 7. Glucose 1‐Phosphate Oxidation on Platinum‐on‐Carbon Catalysts: Side‐Reactions and Effects of Catalyst Structure on Selectivity.
Authors: VAN DAM H. E. , KIEBOOM A. P. G. , VAN BEKKUM H. 
Published: May 2016

AbstractRing oxidation of (I) occurs in the title reaction yielding the products (III) and (IV).
ChemInform Abstract: An Efficient and Highly Selective Method for Deoximation of Ketoximes.
Authors: CHIDAMBARAM N. , SATYANARAYANA K. , CHANDRASEKARAN S. 
Published: May 2016

AbstractTreatment of the oximes (I) with pyridinium dichromate and tert‐butyl hydroperoxide results in degradation, yielding the corresponding carbonyl compounds (II).
ChemInform Abstract: An Efficient Method for the Synthesis of 1‐Arylalkynes.
Authors: ENGLER T. A. , COMBRINK K. D. , RAY J. E. 
Published: May 2016

AbstractTreatment of the phenyl ketones (I) with phosphorus pentachloride gives the (1,1,2‐trichloroalkyl)benzenes (II) which are partly accompanied by their dehydrochlorination products (III).
ChemInform Abstract: A General Preparation of 2‐Acyl‐3‐(phenylthio)‐1,3‐butadienes.
Authors: CHOU S.‐S. P. , SUN D.‐J. , WEH S.‐J. 
Published: May 2016

AbstractZinc‐promoted coupling of the aldehydes (I) with the bromosulfolenes (II) gives the carbinols (III).
ChemInform Abstract: Activation of Reducing Agents. Sodium Hydride‐Containing Complex Reducing Agents. Part 31. NiCRAL′s as Very Efficient Agents in Promoting Homo‐Coupling of Aryl Halides.
Authors: LOURAK M. , VANDERESSE R. , FORT Y. , CAUBERE P. 
Published: May 2016

AbstractForty‐two aryl halides such as (I) are coupled by the NiCRA‐bpy reagent to produce the corresponding biphenyls (II).
ChemInform Abstract: A Mild Four‐Carbon Homologation of 4‐Formylazetidinones.
Authors: BODUROW C. , CARR M. A. 
Published: May 2016

AbstractThe azetidinones (III), prepared from the acid chloride (I) and the imines (II) via ketene cycloaddition reaction, are N‐deprotected and reprotected with phenoxyacetyl chloride (IV) to give the amino derivatives (V).
ChemInform Abstract: Synthesis, Reactivity, and Application as Chiral Auxiliaries of the Novel (3R)‐ and (3S)‐4,5‐Dihydro‐3‐hydroxy‐4,4,5,5‐tetramethyl‐3‐phenylfuran‐2(3H)‐ones in the Paterno‐Buechi Reaction.
Authors: OPPENLAENDER T. + , SCHOENHOLZER P. + 
Published: May 2016

AbstractThe absolute configuration of the title compound (S)‐(III), which is synthesized via photochemical (2 + 2)cycloaddition of the ketones (I) or (V) with the alkene (IV) (Paterno‐Buechi reaction), is confirmed by X‐ray analysis of its (‐)‐camphanoyl derivative (space group P212121 with Z=4).
ChemInform Abstract: Palladium‐Catalyzed Couplings of Halofurans with Activated Alkenes and Terminal Alkynes. A Short Synthesis of Dihydrowyerone.
Authors: CRISP G. T. , O'DONOGHUE A. I. 
Published: May 2016

Abstract2,5‐Dibromofuran (I) undergoes Pd(II)‐induced coupling with the terminal olefins (II), forming the 2,5‐divinylfurans (III).
ChemInform Abstract: Dipolar Cycloaddition Reactions of Organic Azides with Some Acetylenic Compounds.
Authors: ABU‐ORABI S. T. , ATFAH M. A. , JIBRIL I. , MARI'I F. M. , ALI A. A.‐S. 
Published: May 2016

AbstractCycloaddition reaction of phenyl azide (I) with the acetylenes (II), (VI) and (VII) affords the products shown.
ChemInform Abstract: N‐Alkylation of Hydroxyfurazans.
Authors: SHEREMETEV A. B. , STRELENKO YU. A. , NOVIKOVA T. S. , KHMEL'NITSKII L. I. 
Published: May 2016

AbstractReaction of the silylated hydroxyfurazan (III) with the orthoformate (IV) gives a mixture of the N‐alkylation product (V) and the O‐alkylation product (VI).
ChemInform Abstract: 5‐Amino‐1,2,3,4‐thiatriazole: Its Acylation with Chloroformates and Chlorothioformates as a Route to 1,2,4‐Thiadiazoles and 1,6,6a,δ4‐Trithia‐3,4‐diazapentalenes.
Authors: GRAUBAUM H. , SEEBOTH H. , ZALUPSKY P. 
Published: May 2016

AbstractThe title trithiadiazapentalenes, e.g. (V), undergo nucleophilic displacement reactions to give products of type (VII).
ChemInform Abstract: Thioanhydrides. Part 3. Synthesis, Properties, and Diels‐Alder Reactions of Sulfur Analogues of 1,8‐Naphthalic Anhydride.
Authors: LAKSHMIKANTHAM M. V. , CHEN W. , CAVA M. P. 
Published: May 2016

AbstractThe thionaphthalic anhydrides (II) ‐ (V), prepared as outlined in the reaction scheme, react with norbornene (VI) to give the (4 + 2)cycloaddition products (VII) ‐ (IX).
ChemInform Abstract: Synthesis of Heterobicycles of δ‐Lactam Fused with 1,3‐Diazaheterocycles by the Reaction of Heterocyclic Ketene Aminals with α,β‐Unsaturated Carboxylic Esters.
Authors: HUANG Z.‐T. , LIU Z.‐R. 
Published: May 2016

AbstractThe cyclic benzoyl ketene aminals (I), generated from mercaptals and α,ω‐diamines, undergo ring closure reaction with methyl acrylate (II) or the bromopropionate (IV), yielding the fused tetrahydropyridinones (III).
ChemInform Abstract: A Useful Synthesis of 2‐Methyl‐2,3‐dihydrofuro(2,3‐b)quinolines.
Authors: MALI R. S. , TILVE S. G. 
Published: May 2016

AbstractOlefination of the o‐nitrobenzaldehydes (I) with the phosphorane (II) produces the α‐allylcinnamates (III).
ChemInform Abstract: Reactions of Cyclic Oxalyl Compounds. Part 29. A Simple Synthesis of Functionalized 1H‐Pyrimidines.
Authors: ALTURAL B. , AKCAMUR Y. , SARIPINAR E. , YILDIRIM I. , KOLLENZ G. 
Published: May 2016

AbstractThe reaction between the furandione (I) and the semicarbazones (II) and (IV) or the thioureas/ureas (VII) proceeds via a common 6‐carboxy‐1H‐pyrimidin‐2‐one intermediate, which spontaneously eliminates a molecule of water and of carbon dioxide to yield the title compounds (III), (V) or (VIII), respectively.
ChemInform Abstract: The Autorecycling Oxidation of Benzylamine by Synthetic 8‐Hydroxy‐5‐deazaflavin Derivatives.
Authors: HIRAYAMA R. , KAWASE M. , KIMACHI T. , TANAKA K. , YONEDA F. 
Published: May 2016

AbstractVarious 8‐hydroxy‐5‐deazaflavins such as (III) or (VII) are prepared as model compounds of coenzyme F420.
ChemInform Abstract: Synthesis of Aza‐Substituted Polycycles via Rhodium(II) Carboxylate‐Induced Cyclization of Diazo Imides.
Authors: PADWA A. , HERTZOG D. L. , CHINN R. L. 
Published: May 2016

AbstractThe α‐diazo β‐oxo imides (I), (VIII), or (XI) undergo Rh(II)‐induced denitrogenation and cyclization, yielding intermediate dipoles such as (II) or (XIII) which are trapped by cycloaddition reaction with N‐phenylmaleimide (III) or dimethyl acetylenedicarboxylate (V) to form the corresponding cycloadducts.
ChemInform Abstract: A Pyrrolophanediene (III) ‐ Porphycene (II) Redox System.
Authors: VOGEL E. , GRIGAT I. , KOECHER M. + , LEX J. 
Published: May 2016

AbstractIn analogy to the isophlorins discussed by Woodward, N,N'‐dihydroporphycenes should be regarded as (4n)annulenes.
ChemInform Abstract: Synthesis, Stereochemistry, and Analgesic Activity of 3,7‐Diazabicyclo‐(3.3.1)nonan‐9‐one and 1,3‐Diazaadamantan‐6‐ones.
Authors: SAMHAMMER A. , HOLZGRABE U. , HALLER R. 
Published: May 2016

AbstractMannich reaction of the piperidones (Ib) ‐ (Id) with formaldehyde (II) and the amines (III) produces the diazabicyclo(3.3.1)nonan‐9‐ones (IV).
ChemInform Abstract: The Use of Methoxy(phenyldimethylsilyl)methyllithium as a Formyl Anion Equivalent.
Authors: AGER D. J. , GANO J. E. , PAREKH S. I. 
Published: May 2016

AbstractTrimethylchlorosilane (I) is brominated and then coupled with the phenyl Grignard agent (II) to give the bromomethylsilane (III).
ChemInform Abstract: Enantioselective Microbial Reduction of 1,1‐Dimethyl‐1‐sila‐cyclohexan‐2‐one with Growing Cells of the Yeast Kloeckera corticis (ATCC 20109).
Authors: TACKE R. , HENGELSBERG H. , ZILCH H. , STUMPF B. 
Published: May 2016

AbstractThe (R)‐silacyclohexan‐2‐ol (II) is prepared by enantioselective microbial reduction of the title ketone (I) with growing cells of the yeast Kloeckera corticis (ATCC 20109).
ChemInform Abstract: Silicon Compounds with Strong Intramolecular Steric Interactions. Part 37. Reactions of Sterically Hindered Silylene with Tri‐tert.‐butylsilyl Azide.
Authors: WEIDENBRUCH M. , BRAND‐ROTH B. , POHL S. , SAAK W. 
Published: May 2016

AbstractReaction of photochemically generated di‐tert.‐butylsilylene in situ with tri‐tert.‐butylsilyl azide (II) gives the silanimine (IV) and mainly its decomposition product (III).
ChemInform Abstract: α‐Substituted Phosphonates. Part 53. Synthesis of Mono‐ and Bisphosphonates from Tetrachloroethylformimide Chloride.
Authors: SCHNELL M. , GROSS H. , COSTISELLA B. 
Published: May 2016

AbstractThe reaction of the title compound (I) with triethylphosphite (II) leads to the four, up to now unknown bis‐ and monophosphonates (III), (IV), (V), and (VI) depending on the reaction conditions as shown in the scheme.
ChemInform Abstract: Reaction of 2‐tert‐Butoxy‐1,3,2‐benzodioxaphosphole with Tribromoacetaldehyde.
Authors: SINYASHINA T. N. , MIRONOV V. F. , OFITSEROV E. N. , KONOVALOVA I. V. , PUDOVIK A. N. 
Published: May 2016

AbstractTreatment of the cyclic phosphite (I) with tribromoacetaldehyde (II) gives a mixture of the phosphonate (III), the bromophosphate (IV), and the phosphate (V) or (III) exclusively, depending on the order of the dosage.
ChemInform Abstract: (4 + 2)Cycloadditions Between 2H‐Phospholes and Alkenes. Synthesis and Properties of 1‐Phosphanorbornenes.
Authors: LE GOFF P. , MATHEY F. , RICARD L. 
Published: May 2016

Abstract(4 + 2)Cycloaddition of the 2H‐phosphole (II), generated in situ by thermally‐induced isomerization of the 1H‐phospholes (I), with the alkenes (III) and (VI) forms the 1‐oxo‐1‐phosphanorbornenes (IV), (V), (VII), and (VIII) after oxidation.
ChemInform Abstract: Syntheses of Divalent Lanthanoid Tetradecahydrodecaborates and Decahydrodecaborates. The X‐Ray Crystal Structure of (CH3CN)6Yb(μ‐H)2B10H12·2 CH3CN.
Authors: WHITE J. P. III , DENG H.‐B. , SHORE S. G. 
Published: May 2016

AbstractThe 1:1 molar reaction of B10H14 with Eu or Yb metals in liq.
ChemInform Abstract: Heavy Main Group Molecular Precursors of Oxides: Volatile and Soluble Lead(II) Alkoxides and Oxoalkoxides.
Authors: PAPIERNIK R. , HUBERT‐PFALZGRAF L. G. , MASSIANI M.‐C. 
Published: May 2016

AbstractThe formation of homoleptic lead(II) alkoxides is limited to (III), formed together with (IV).
ChemInform Abstract: Synthesis and Characterization of Diboradiazaronaphthalenetricarbonylchromium Complexes.
Authors: ALLAOUD S. , KARIM A. , MORTREUX A. , PETIT F. , FRANGE B. 
Published: May 2016

AbstractReaction of the boron‐nitrogen heterocycles (I) with Cr(CO)6 (II) gives exclusively the complexes (III) in which the Cr(CO)3 moiety is attached to the benzo ring, although three coordination sites are possible.
ChemInform Abstract: Synthesis, Properties, and Reactions of Organometallic Heterocycles. Part 68. Phosphidomanganates as Building Blocks for Synthesis of Phosphamanganacyclopropanes Containing Carbene and Phosphinidene Units.
Authors: LINDNER E. , OSSIG E. , DARMUTH M. 
Published: May 2016

AbstractThe phosphidomanganates (V) are obtained as shown in the scheme.
ChemInform Abstract: Reactions of Vinylidene and Allenylidene Cymantrene Derivatives with Isonitriles.
Authors: KALININ V. N. , DERUNOV V. V. , LUSENKOVA M. A. , PETROVSKII P. V. , KOLOBOVA N. E. 
Published: May 2016

AbstractThe isocyanides (II) insert into the M=C bond of the carbene‐Mn complex (I) to give highly reactive keteneimine complexes which on addition of H2O (III) convert to the π‐complexes (IV) of isocinnamic acid amides.
ChemInform Abstract: Stepwise Synthesis and Structural Characterization of the ((MoFe3S4Cl2(Cl4cat))2(μ2‐S)2)6‐ and ((MoFe3S4Cl2(Cl4cat))2(μ2‐S)(μ2‐OH))5‐ Doubly Bridged Double Cubanes Obtained by the Coupling of (MoFe3S4) Clusters.
Authors: COUCOUVANIS D. , CHALLEN P. R. , KOO S.‐M. , DAVIS W. M. , BUTLER W. , DUNHAM W. R. 
Published: May 2016

AbstractThe doubly bridged double cubane cluster (IIIa) is obtained by 1:1 molar reaction of the cubane cluster (I) with (NEt4)2S (II).
ChemInform Abstract: High‐Valent Ruthenium(IV) and ‐(VI) Oxo Complexes of Octaethylporphyrin. Synthesis, Spectroscopy, and Reactivities.
Authors: LEUNG W.‐H. , CHE C.‐M. 
Published: May 2016

AbstractOxidation of the Ru(II) complex (I) by MCPBA in methanol gives the Ru(VI) complex (II) as an air‐stable diamagnetic solid.
ChemInform Abstract: Tetrakis(trifluoromethyl)cyclopentadienyl Ligands for Transition‐Metals.
Authors: BURK M. J. , ARDUENGO A. J. III , CALABRESE J. C. , HARLOW R. L. 
Published: May 2016

AbstractThe tetrakis(trifluoromethyl)cyclopentadienide (I) reacts with the Ru(II) complex (II) to give the mixed ruthenocene (III) (space group P212121, Z=4).
ChemInform Abstract: Halide‐Promoted Reactions of Alkynes with Ru3(CO)12.
Authors: RIVOMANANA S. , LAVIGNE G. , LUGAN N. , BONNET J.‐J. , YANEZ R. , MATHIEU R. 
Published: May 2016

AbstractThe activated μ‐chloro cluster (I) reacts with the alkynes (II) to give the labile species (III) ((IIIc): space group P1, Z=2) that serves as a convenient precursor to new and known alkyne‐substituted derivatives of Ru3(CO)12.
ChemInform Abstract: Isomerization of Allyldiphenylphosphine to (Z)‐1‐Propenyldiphenylphosphine in Rhodium(I) Complexes.
Authors: JEGOROV A. , TURECEK F. 
Published: May 2016

AbstractIn solution the allylic double bonds in the P‐coordinated allylphosphine‐Rh(I) complexes (III), (V), and (VII) undergo slow isomerization with half‐lifes of ca. 3 d at 23 °C to give the corresponding (Z)‐propenylphosphine isomers (IV), (VI), and (VIII).
ChemInform Abstract: Mixed‐Metal Carbido Carbonyl Clusters. Part 4. Synthesis and Structural Characterization of (Rh6C(CO)13(Au2(PPh3)2)).
Authors: FUMAGALLI A. , MARTINENGO S. , ALBANO V. G. , BRAGA D. , GREPIONI F. 
Published: May 2016

AbstractThe new title cluster (III) (space group Fdd2, Z = 8) is a distorted Rh6 octahedron with two adjacent triangular faces capped by Au(PPh3) moieties which also establish an Au‐Au bond.
ChemInform Abstract: Cyclometalation of Unsaturated Carboxylic Acids by Pentamethylcyclopentadienyl‐rhodium and ‐iridium Complexes. Crystal Structures of Cyclic ((C5Me5)Ir(CPh=CHCO‐O)(Me2SO)) and Cyclic ((C5Me5)Ir(CPh=CHCO‐OMe)I).
Authors: SUNLEY G. J. , DEL C. MENANTEAU P. , ADAMS H. , BAILEY N. A. , MAITLIS P. M. 
Published: May 2016

AbstractThe cyclopentadienyl‐Rh and ‐Ir complexes (I) react with cinnamic acid (II) to give the cyclometalated products (IIIa) and (IIIb) (space group P1, Z=2).
ChemInform Abstract: Intramolecular Activation of a N‐Methyl C‐H Bond by an Electron Rich Iridium Centre: A Novel Chemoselective Reduction Catalyst.
Authors: FARNETTI E. , NARDIN G. , GRAZIANI M. 
Published: May 2016

AbstractThe iridium complex (I) reacts with N,N‐dimethyl‐o‐(diphenylphosphino)aniline (II) to yield the hydrido complex (III).
ChemInform Abstract: Tumor Promoters. Part 7. The Synthesis of a Potentially General Precursor of the Tiglianes, Daphnanes, and Ingenanes.
Authors: WENDER P. A. , LEE H. Y. , WILHELM R. S. , WILLIAMS P. D. 
Published: May 2016

AbstractThe polycycle (XIX), obtained in 23 steps and 10% overall yield from furfurylalcohol (I), represents a general precursor of the phorbol, daphnane and ingenane family.
ChemInform Abstract: Carbohydrates as Chiral Templates: Diastereoselective Ugi Synthesis of (S)‐Amino Acids Using O‐Acylated D‐Arabinopyranosylamine as the Auxiliary.
Authors: KUNZ H. , PFRENGLE W. , SAGER W. 
Published: May 2016

AbstractCoupling the pyranosylamine (I) with the aldehydes (II) in the presence of tert‐butyl isocyanide (III) and formic acid (IV) gives the α‐amino amides (V) which are hydrolyzed to yield the pyranose (VI) and the deprotected amino acid amides (VII).
ChemInform Abstract: Studies Directed Towards the Synthesis of Sulfated and Non‐Sulfated Glyco‐Conjugate Fragments Using Insoluble Silver‐Salt Promoters.
Authors: SPIJKER N. M. , ZUURMOND H. , WESTERDUIN P. , VAN BOECKEL C. A. A. 
Published: May 2016

AbstractScope and limitations of the known silver‐salt promoted β‐glycosylation (cf.
ChemInform Abstract: Enantiomerically Pure Building Blocks from Sugars. Part 9. An Expedient Approach to Pyranoid Ene and Enol Lactones by BF3‐Catalyzed Peroxidation of Glycal and Hydroxyglycal Esters.
Authors: LICHTENTHALER F. W. , ROENNINGER S. + , JARGLIS P. 
Published: May 2016

AbstractAn effective and convenient one‐pot precedure is given for the synthesis of optically active ene and enol lactones such as (II) or (IV) from the glycal or hydroxyglycal esters (I) or (III) derived from cheap "regrowing" sugars.
ChemInform Abstract: Enantiomerically Pure Building Blocks from Sugars. Part 10. 2,3‐Dihydropyranones with Contiguous Chiral Centers: Practical Routes for Their Aquisition and Evaluation of Their Reaction Potential.
Authors: LICHTENTHALER F. W. , NISHIYAMA S. , WEIMER T. 
Published: May 2016

AbstractA practical, large‐scale adaptable four‐step procedure is given for the conversion of D‐glucose (I) into pyranoid enediolone esters with (R,R)‐configuration in contiguous chiral centers such as (IV).
ChemInform Abstract: Iridoids. Part 24. Biomimetic Synthesis of the Monoterpene Alkaloids Xylostosidine and Loxylostosidine A and of Similar Unnatural Compounds by Transformations of the Monoterpene Glycoside Secologanin.
Authors: TIETZE L. F. , BAERTELS C. + , FENNEN J. 
Published: May 2016

AbstractXylostosidine (IV), isolated from Lonicera xylosteum L., is formed diastereoselectively from the monoterpene secologanin (I) either by condensation with cysteamine (II) or with cystein (III) and subsequent decarboxylation.
ChemInform Abstract: Constituents of Geranium thunbergii Sieb. et Zucc. Part 14. Structures of Didehydrogeraniin, Furosinin, and Furosin.
Authors: YAZAKI K. , HATANO T. , OKUDA T. 
Published: May 2016

AbstractDehydrogeraniin (I) and furosinin (II) form equilibrium mixtures which are composed of four and eight tautomers, resp., due to the equilibration of two dehydrohexahydroxydiphenoyl groups and the anomerization of the glucose moiety in the latter compound.