bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Diheteroarylethylenes: Synthesis and Donor Properties.
Authors: BERLIN A. , BRADAMANTE S. , FERRACCIOLI R. , PAGANI G. A. , SANNICOLO F. 
Published: May 2016

AbstractThe title compounds (IV), (V) and (VII) are electron‐rich substrates which afford powdery, black charge‐transfer (CT) complexes with iodine.
ChemInform Abstract: Reactions of Indoles with Polyfluoro Carbonyl Compounds.
Authors: ZELENIN A. E. , CHKANIKOV N. D. , IVANCHENKO YU. N. , TKACHEV V. D. , RUSAKOVA V. A. , KOLOMIETS A. F. , FOKIN A. V. 
Published: May 2016

AbstractReactions of the indoles (I) with the polyfluoro carbonyl compounds (II) yield the alkylation products (III) which possess a high plant fungicidal activity.
ChemInform Abstract: 5‐Hydrazino‐2‐pyrazolines.
Authors: ZELENIN K. N. , MALOV M. YU. , ZEROVA I. V. , TERENT'EV P. B. , KALANDARISHVILI A. G. 
Published: May 2016

AbstractThe hyrazinopyrazolines (III), (VI), or (VIII) are prepared either by cyclization of the β‐diketones (I) with the hydrazides (II) or by derivatization of the pyrazolines (IV) and (VII).
ChemInform Abstract: Reactions of Methyl 3‐Hydroxythiophene‐2‐carboxylate. Part 4. Synthesis of Methyl 5‐Azolyl‐3‐hydroxythiophene‐2‐carboxylates.
Authors: CORRAL C. , EL‐ASHMAWY M. B. , LISSAVETZKY J. , MANZANARES I. 
Published: May 2016

AbstractThe chlorothienones (II), prepared by chlorination of the hydroxythiophenecarboxylate (I), are treated with the N‐heterocycles to give the 5‐substituted thiophenes (IV) and (V).
ChemInform Abstract: An O→N Acyl Transfer. An Important Activation Step for a Formal Nucleophilic Substitution in a Cyclopropane Derivative.
Authors: VILSMAIER E. , WEBER S. , WEIDNER J. 
Published: May 2016

AbstractThe acylated (piperidinocyclopropyl)dimedone derivative (III) decomposes on heating to form the intermediate methylenecyclopropane (V) which rearranges, yielding the dihydrofuran (VI).
ChemInform Abstract: Azinium Azolate Inner Salts: Synthesis and Structural Studies.
Authors: ALCALDE E. , DINARES I. , ELGUERO J. , FAYET J.‐P. , VERTUT M.‐C. , MIRAVITLLES C. , MOLINS E. 
Published: May 2016

AbstractCoupling of the heterocyclic primary amines (I) with the pyrylium salt (II) yields the N‐azolylpyridinium salts (III).
ChemInform Abstract: Synthesis, Properties, and X‐Ray Analysis of 4‐Trifluoromethyl‐6‐phenyl‐2‐chloro‐3‐cyanopyridine.
Authors: GUTTSAIT A. V. , BELYAKOV S. V. , MISHNEV A. F. , BLEIDELIS YA. YA. , GUDRINIETSE E. YU. 
Published: May 2016

AbstractThe title compound (II), prepared from the pyridone (I) and POCl3 in the presence of DMF, reacts with nucleophiles such as (III), (V), (VII), or (IX) to give the corresponding 2‐substituted pyridines (IV), (VI), (VIII), or (X).
ChemInform Abstract: Regiospecific Hydrogenation of Quinolines and Indoles in the Heterocyclic Ring.
Authors: SHAW J. E. , STAPP P. R. 
Published: May 2016

AbstractThe hydrogenation of 2‐methylquinoline (I) is performed in the presence of various metallic catalysts adsorbed on alumina to yield the 1,2,3,4‐tetrahydro derivative (II) as the main product, together with the 5,6,7,8‐tetrahydroquinoline (III).
ChemInform Abstract: Synthesis of the 1,2,3,4‐Tetrahydrobenzofuran(2,3‐c)pyridine Ring Systems.
Authors: JAEN J. C. , WISE L. D. 
Published: May 2016

AbstractN‐Benzyl‐4‐piperidone (I) is coupled with the Grignard compound (II) to give the alcohol (III) which is transformed into the ketone (VI).
ChemInform Abstract: Pyridonecarboxylic Acids as Antibacterial Agents. Part 10. Synthesis and Reactions of 7‐Substituted 1‐Cyclopropyl‐6‐fluoro‐1,4‐dihydro‐4‐ oxo‐1,8‐naphthyridine‐3‐carboxylic Acids as an Antibacterial Agent.
Authors: MIYAMOTO T. , EGAWA H. , SHIBAMORI K. , MATSUMOTO J. 
Published: May 2016

AbstractStarting with 3‐cyano‐2,6‐dichloro‐5‐fluoropyridine (I), the p‐tolylthio derivatives (III) are prepared.
ChemInform Abstract: A New Synthesis of Imidazo(1,2‐a)pyridine and Imidazo(2,1‐a)isoquinoline Derivatives.
Authors: TOMINAGA Y. , MOTOKAWA S. , SHIROSHITA Y. , HOSOMI A. 
Published: May 2016

AbstractN‐Bis(methylthio)methylene‐p‐toluenesulfonamide (IV) is prepared from tosylamide (II), carbon disulfide (I), and dimethyl sulfate (III).
ChemInform Abstract: A Short, Efficient Synthesis of (1S,3S,5R)‐ and (1S,3R,5R)‐1,3‐Dimethyl‐2,9‐dioxabicyclo(3.3.1)nonane.
Authors: BERNARDI R. , GHIRINGHELLI D. 
Published: May 2016

AbstractThe reaction of the β‐hydroxy thioacetal (I) with butyllithium followed by quenching with the protected γ‐chloro ketone (II) yields the masked diketone (III).
ChemInform Abstract: A Convenient Synthesis of 2‐Substituted 4‐Amino‐5‐pyrimidinecarbonitriles.
Authors: SCHMIDT H.‐W. , KOITZ G. , JUNEK H. 
Published: May 2016

AbstractEthoxymethylenemalononitrile (I) is coupled with cyanamide (II) in the presence of hydrogen halides to give the aminohalopyrimidines (IV) via the salt (III).
ChemInform Abstract: An Improved Synthesis of Pyrido(2,3‐d)pyrimidines.
Authors: ITOH T. , FUJII I. , TOMII Y. , ISHIKAWA I. , OGURA H. , MIZUNO Y. , KAWAHARA N. 
Published: May 2016

AbstractThe aminouracils (I) are consecutively heated and photolyzed with methyl propiolate (II) to form moderate yields of the title compounds (III) and the pyrimidylacrylates (IV), together with the benzenetricarboxylate (V).
ChemInform Abstract: Antimalarial Drugs. Part 64. Antimalarial Activity of 2‐(Substituted Amino)‐4,6‐bis(trichloromethyl)‐1,3,5‐triazines and N‐(Chlorophenyl)‐ N′‐(4‐(Substituted amino)‐6‐(trichloromethyl)‐1,3,5‐triazin‐2‐yl)guanidines.
Authors: WERBEL L. M. , ELSLAGER E. F. , HESS C. , HUTT M. P. 
Published: May 2016

AbstractStarting with the trichloromethyl‐substituted triazines (I), the title compounds (III), (V) and (VII) are prepared as outlined in the reaction scheme.
ChemInform Abstract: Synthesis and Physicochemical Properties of Thiadiazolo(3,2‐a)pyrimidinesulfonamides and Thiadiazolo(3,2‐a)triazinesulfonamides as Candidates for Topically Effective Carbonic Anhydrase Inhibitors.
Authors: KATRITZKY A. R. , CASTER K. C. , MAREN T. H. , CONROY C. W. , BAR‐ILAN A. 
Published: May 2016

AbstractStarting with the thiadiazole (I), the bicyclic sulfonamides (V), (VII), (IX), and (XI) are prepared by cyclocondensation reactions as described in the reaction scheme.
ChemInform Abstract: Formation and Reactions of Olefins with Vicinal Silyl and Stannyl Substituents.
Authors: MITCHELL T. N. , WICKENKAMP R. , AMAMRIA A. , DICKE R. , SCHNEIDER U. 
Published: May 2016

AbstractPd(0)‐catalyzed coupling of the alkynes (I) with the silylstannanes (II) produces the silylstannylalkenes (III) regioselectively with predominance of the Z‐isomers.
ChemInform Abstract: Low‐Coordinated Phosphorus Compounds. Part 60. Reactions of Iminomethylidenephosphanes with Trimethylsilylphosphanes.
Authors: APPEL R. , BEHNKE C. 
Published: May 2016

AbstractIn non‐polar solvents, reaction between the iminomethylidenephosphanes (I) and the phosphanes (II) or the diphosphanes (IV) yields the monoadducts (III) or (V), whereas in polar solvents a variety of products resulting from double addition is isolated.
ChemInform Abstract: Dihalo(organothio)alanes, Preparation and Properties.
Authors: HOFFMANN G. G. 
Published: May 2016

AbstractThe title compounds (IV) are prepared by three methods: the trimethylsilyl sulfides (I) react with the aluminum trihalides (II) at room temperature to form the adducts (III) which yield (IVa), (IVb), (IVd), and (IVe) upon thermolysis.
ChemInform Abstract: Synthesis and Structural Studies of Dimethylindium(III) Complexes with Polydentate Nitrogen Donor Ligands, and of Monomethylindium(III) Complexes Containing Alkoxide‐Bridged Binuclear Cations.
Authors: CANTY A. J. , TITCOMBE L. A. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractDimethylindium(III) nitrate reacts with neutral N donor ligands such as 1,10‐phenanthroline, bis(pyridyl)methane or terpyridyls in equimolar amounts in MeOH to give the complexes (I)‐(III).
ChemInform Abstract: Chalcogenolysis of Monoorganogermanium Trichlorides. Part 1. Halo Compounds.
Authors: PUFF H. , BRAUN K. , FRANKEN S. , KOEK T. R. + , SCHUH W. 
Published: May 2016

AbstractThe trichlorogermane (Ia) reacts with sodium hydroxide to form the sesquioxide (II).
ChemInform Abstract: Novel Diamagnetic and Paramagnetic Hydrides of Vanadium(II).
Authors: HESSEN B. , VAN BOLHUIS F. , TEUBEN J. H. , PETERSEN J. L. 
Published: May 2016

AbstractTreatment of the propyl‐V(II) complex (I) with molecular hydrogen leads to elimination of propane and to formation of the diamagnetic hydride‐bridged product (II) and the paramagnetic diphosphine‐bridged dihydride (III).
ChemInform Abstract: Cyclooligomerization Reactions of Bis(alkyne) and η2‐Vinyl Complexes of Molybdenum and Tungsten with t‐Butyl Isocyanide Leading to Iminocyclopentadiene Derivatives.
Authors: DAVIDSON J. L. , WILSON W. F. 
Published: May 2016

AbstractThe reaction of the bis(alkyne) complexes (I) and the isomeric η2‐vinyl complexes (II) with tBuNC (III) depend markedly on the molar ratio of reactants, the reaction temp., the nature of the metal and the thiolate substituent leading to compounds of type (IV) (having a novel η2‐vinyl structure), (VI) or (VII), isolated in one case contaminated with (VIc), as shown in the scheme.
ChemInform Abstract: Metal, Bond Energy, and Ancillary Ligand Effects on Actinoid‐Carbon σ‐Bond Hydrogenolysis. A Kinetic and Mechanistic Study.
Authors: LIN Z. , MARKS T. J. 
Published: May 2016

AbstractThe H2 reaction for a series of complexes (η5‐C5Me5)2MRX is investigated as a function of metal (Th, U, Zr), of R, of the ancillary ligand X and of temp. and solvent polarity.
ChemInform Abstract: triangulo‐Trirhenium(III) Alkyl Compounds. The X‐Ray Crystal Structures of Re3(μ‐Cl)1.5(μ‐Me)1.5(CH2Ph)6 and Re3(μ‐Me)3(CH2Ph)6.
Authors: WONG A. C. C. , EDWARDS P. G. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B. 
Published: May 2016

Abstract(IIIa) and the previously unknown compound (IIIb) are prepared by a new large scale synthesis.
ChemInform Abstract: A Case of Solid‐State Isomerism for a Rhodium Carbonyl Cluster Anion. Synthesis, Characterization in Solution and X‐Ray Crystallographic Structures of the Salts (NMe4)3(Rh11(CO)23)·Me2CO and (NMe4)3(Rh11(CO)23)·C6H5Me.
Authors: FUMAGALLI A. , MARTINENGO S. , CIANI G. , SIRONI A. , HEATON B. T. 
Published: May 2016

AbstractThe two title compounds containing two isomers of the same anion are obtained by oxidation of Rh7(CO)13‐6 by FeCl3 or on reacting mixtures of smaller clusters or through a stepwise cluster growth process and by recrystallization in acetone or toluene.
ChemInform Abstract: Palladium(II) Cage Compounds Based on Diphenylglycoluril.
Authors: NIELE F. G. M. , NOLTE R. J. M. 
Published: May 2016

AbstractThe four‐armed tetra‐1‐imidazolyl ligands (VII) with the concave framework of diphenylglycoluril are designed to construct a host containing a potentially catalytically active metal center in or close to a cavity.
ChemInform Abstract: Asymmetric Synthesis with Chiral β‐Lactams. α‐Substituted Aromatic α‐Amino Acids and Their Derivatives Through Highly Stereoselective Alkylations.
Authors: OJIMA I. , CHEN H.‐J. C. , NAKAHASHI K. 
Published: May 2016

AbstractA novel route to optically pure α‐alkylated aromatic α‐amino acids and their dipeptide derivatives is exemplified by the asym.
ChemInform Abstract: The Synthesis of 6,6′‐Cyclo‐6′‐deoxyhexofuranosyluracils via a Diazomethane‐Promoted Ring‐Enlargement Reaction.
Authors: SASSON I. M. , OTTER B. A. 
Published: May 2016

AbstractThe N‐benzoylcyclouridine (IIIb) is prepared as shown in the reaction scheme.
ChemInform Abstract: Electrochemical Formation of Aluminum Ceride on Aluminum.
Authors: MENEZES S. , JEANJAQUET S. , RALEIGH D. , KENDIG M. 
Published: May 2016

AbstractIn order to improve the corrosion and wear resistance of Al, metalliding of Al with Ce in fused halide salts is performed and the resulting surface films are characterized by a variety of electrochemical and surface analytical techniques.
ChemInform Abstract: Structure and Ion Conduction in Solids. Part 5. Structure and Properties of Na3MnZr(PO4)3 and Na3MgZr(PO4)3.
Authors: FELTZ A. , BARTH ST. , ANDRATSCHKE M. , JAEGER CH. + 
Published: May 2016

AbstractBoth the title compounds crystallize in the hexagonal space group R3c with Z = 6 and they are isostructural with Na1+xZr2(PO4)3‐x(SiO4)x (NASICON).
ChemInform Abstract: Catalytic Effect of Metal Ions on the In:SnO2/Aqueous Polysulfide Interface: Application for Polysulfide Based Photoelectrochemical Cells.
Authors: TENNE R. , BRAUN M. , BRAUN R. , KERFIN W. , KOSCHEL W. 
Published: May 2016

AbstractIt is shown that a short immersion of the ITO (indium‐tin oxide) electrode into a CoCl2 solution results in a reduced overpotential at the interface between the transparent ITO electrode and polysulfide electrolyte, without loss in transmittivity.
ChemInform Abstract: Synthesis, Structure and Thermal Reduction Behavior of Delafossite‐Type CuRhxAl1‐xO2.
Authors: KUHN P. , RELLER A. , OSWALD H. R. 
Published: May 2016

AbstractThe pure and mixed oxide phases CuAlO2, CuRhO2, and CuRhxAl1‐xO2, obtained by solid state reactions of the corresponding binary oxides CuO, Al2O3, and Rh2O3 at 1350 K, are isostructural (R3m).
ChemInform Abstract: Photochemical Epoxidation of Alkenes by Visible Light in a Redox System Involving Tetraphenylporphyrinantimony(V) and Water.
Authors: INOUE H. , SUMITANI M. , SEKITA A. , HIDA M. 
Published: May 2016

AbstractSensitized irradiation of cyclohexene (I) with visible light in a redox system using water as the electron donor yields cyclohexene epoxide (II), cyclohex‐2‐en‐1‐ol (III), and cyclohexane‐1,2‐diol (IV).
ChemInform Abstract: Dechlorination of 4‐Chlorobiphenyl Mediated by Aromatic Photocatalysts.
Authors: TANAKA Y. , URYU T. , OHASHI M. , TSUJIMOTO K. 
Published: May 2016

AbstractDechlorination of 4‐chlorobiphenyl (I), yielding biphenyl (II), is achieved by irradiation in the presence of triethylamine as an electron donor and anthracene as a catalyst.
ChemInform Abstract: Zinc Halide Induced Switch in Enantioselection in Nickel and Palladium Cross Coupling Reactions.
Authors: CROSS G. A. , KELLOGG R. M. 
Published: May 2016

AbstractThe Grignard compound (I) is coupled with vinyl bromide (II) in the presence of nickel chloride and a chiral amino(methylthio)alkyldiphenylphosphine, yielding 3‐phenyl‐1‐propene (S)‐(III).
ChemInform Abstract: SmI2‐Induced Deoxygenation of Epoxides and Its Application to Carbonyl Methylenation in Combination with Iodomethylation.
Authors: MATSUKAWA M. , TABUCHI T. , INANAGA J. , YAMAGUCHI M. 
Published: May 2016

AbstractThe epoxides (I) react with SmI2 in the presence of dimethylaminoethanol or glutaric anhydride to give the olefins (II).
ChemInform Abstract: Polymer‐Supported Phosphine‐Halogen Complexes. Part 4. Improved Formylation of Alcohols with Dimethylformamide.
Authors: CAPUTO R. , FERRERI C. , PALUMBO G. 
Published: May 2016

AbstractThe alcohols (I) are converted to the corresponding formates (III) by reaction with a Vilsmeier‐type agent, generated from dimethylformamide (II) and polymer‐bound phosphine halogen complexes.
ChemInform Abstract: Addition of Lithiumalkanides to Iminoboranes.
Authors: PAETZOLD P. , PELZER C. , BOESE R. 
Published: May 2016

AbstractIn the presence of diamine (V), LiMe (IIa) adds to the less stable iminoboranes (Ia) and (Ib) in a molar ratio of 1:2 to yield (IIIa) and (IIIb), respectively.
ChemInform Abstract: A Convenient Method for the Preparation of Secondary Propargylic Ethers. The Reaction of Acetals with 1‐Trimethylsilylalkynes Promoted by the Combined Use of Catalytic Amounts of Tin(IV) Chloride and Zinc Chloride.
Authors: HAYASHI M. , INUBUSHI A. , MUKAIYAMA T. 
Published: May 2016

AbstractThe acetals (I) react with the silylacetylenes (II) in the presence of SnCl4/ZnCl2, yielding the propargylic ethers (III).
ChemInform Abstract: A New Approach to Aminoaromatic Thiols: Synthesis of 6‐Amino‐2‐naphthalenethiol.
Authors: ASLAM M. , DAVENPORT K. G. 
Published: May 2016

AbstractThe hydroxynaphthyl methyl ketone (I) reacts with the thiocarbamoyl chloride (II) to produce the O‐naphthyl thiocarbamate (III) which is thermally isomerized, forming the S‐naphthyl derivative (IV).
ChemInform Abstract: Synthesis of Methyl δ7‐(1β,4aβ,8aβ)‐Octahydro‐5,5,8a‐trimethyl‐2‐oxonaphthalen# ecarboxylate by Allylic Cation Promoted Cyclization.
Authors: LIU Z. , YANG J. 
Published: May 2016

AbstractThe key step in the synthesis of the title compound (V) from the acetal (I) is the stannic chloride‐promoted ring‐closure of the β‐keto ester (IV) via intermediate formation of an allylic cation.
ChemInform Abstract: A Concise Synthesis of 4‐Unsubstituted Azetidin‐2‐ones.
Authors: COSSIO F. P. , LECEA B. , PALOMO C. 
Published: May 2016

AbstractTreatment of the 4‐acetoxyazetidin‐2‐ones (I) with 1,1,3,3‐tetramethyldisiloxane results in formation of the 4‐unsubstituted azetidinones (II).
ChemInform Abstract: Dithioannulation of Alkynes.
Authors: GHOSAL S. , NIRMAL M. , MEDINA J. C. , KYLER K. S. 
Published: May 2016

AbstractReaction of the alkynes (I) with nickel bisdithiolene (II) in the presence of pyridine forms the 1,4‐dithiins (III).
ChemInform Abstract: Chemistry of Allene Sulfoxides: A New Methodology for the Synthesis of Spiroketals and 1,5‐Dioxadecalin Ring Systems.
Authors: PAIRAUDEAU G. , PARSONS P. J. , UNDERWOOD J. M. 
Published: May 2016

AbstractDeprotection of the silyl ethers (VII) and (XIII) followed by acid‐ catalyzed ring‐closure yields the spiroacetals (VIII) and (XIV).
ChemInform Abstract: Reaction of Tetraalkyldiamidochlorophosphites with Carbon Tetrachloride.
Authors: MARCHENKO A. P. , KOIDAN G. N. , OLEINIK V. A. , KUDRYAVTSEV A. A. , PINCHUK A. M. 
Published: May 2016

AbstractTreatment of the phosphorodiamidous chlorides (I) with carbon tetrachloride (II) yields the phosphonium salts (III) and (IV).
ChemInform Abstract: sp‐Carbon‐Iodine Bond Cleavage of Alkynyl(phenyl)iodonium Salts, Novel Synthesis of (Alkylethynyl)triphenylphosphonium Salts.
Authors: OCHIAI M. , KUNISHIMA M. , NAGAO Y. , FUJI K. , FUJITA E. 
Published: May 2016

AbstractThe alkynyliodonium tetrafluoroborates (I) are cleaved by triphenylphosphine (II), producing the alkynyltriphenylphosphonium tetrafluoroborates (III).
ChemInform Abstract: Preparation of Diphenylvinylphosphine Oxides by the P‐C‐P Process. Choice of the Leaving Group.
Authors: SAVIGNAC P. , TEULADE M.‐P. , ABOUJAOUDE E. E. , COLLIGNON N. 
Published: May 2016

AbstractThe phosphonates (I) are lithiated and then coupled with chlorodiphenylphosphine oxide (II) to form the P‐C‐P intermediates (III) which react with the aldehydes (IV), producing mainly the diphenylvinylphosphine oxides (V), together with the phosphates (VI).
ChemInform Abstract: Insertion of Carbon Monoxide into Transition‐Metal‐Acyl Bonds to Form α‐Ketoacyl Complexes.
Authors: SHERIDAN J. B. , HAN S.‐H. , GEOFFROY G. L. 
Published: May 2016

AbstractThe CO insertion into the metal acyl bond of the complexes (I) and (IV) is accomplished by a novel oxidation/NO addition reaction sequence according to the scheme.
ChemInform Abstract: Ferrocenyl Chalcogenides.
Authors: HERBERHOLD M. , LEITNER P. 
Published: May 2016

AbstractTreatment of ferrocenyllithium (I) with sulfur, selenium, or tellurium (II), followed by oxidation with air gives the diferrocenyl dichalcogenides (III) which react with ferrocenyllithium (I) to produce the diferrocenyl chalcogenides (IV).
ChemInform Abstract: Thermolysis of the Co‐C Bond in Adenosylcorrins. Part 3. Quantification of the Axial Base Effect in Adenosylcobalamin by the Synthesis and Thermolysis of Axial Base‐Free Adenosylcobinamide. Insights into the Energetics of Enzyme‐Assisted Cobalt‐Carbon Bond Homolysis.
Authors: HAY B. P. , FINKE R. G. 
Published: May 2016

AbstractThe adenosylcobinamide (I) is prepared from adenosylcobalamin, also known as coenzyme B12 by removing the axially coordinated benzimidazole nucleotide from the side chain in a simple one‐step synthesis (slurry of Ce(OH)3 in H2O, 80 °C, pH 8.5, 70 min, dark).
ChemInform Abstract: Neutral Bimetallic Macrocyclic Complexes. Part 1. Investigation of Mono‐ and Bimetallic Complexes of Tetraiminato Macrocyclic Complexes Derived from 1,3,5‐Triketones.
Authors: HIMMELSBACH M. , LINTVEDT R. L. , ZEHETMAIR J. K. , NANNY M. , HEEG M. J. 
Published: May 2016

AbstractThe Schiff base condensation of a triketone (I) with a diamine (II) gives only the desired macrocyclic ligands (III) when R1 and R2 are relatively simple aliphatic groups.
ChemInform Abstract: Synthesis, Molecular Structure, and Tumor‐Inhibiting Properties of Imidazolium trans‐Bis(imidazole)tetrachlororuthenate(III) and Its Methyl‐Substituted Derivatives.
Authors: KEPPLER B. K. , RUPP W. , JUHL U. M. , ENDRES H. , NIEBL R. , BALZER W. 
Published: May 2016

AbstractThe synthesis and antitumor activities of the complexes (I) are described.
ChemInform Abstract: Acetal‐bond Cleavage of 4,6‐O‐Alkylidenehexopyranosides by Diisobutylaluminum Hydride and by Lithium Triethylborohydride‐TiCl4.
Authors: MIKAMI T. , ASANO H. , MITSUNOBU O. 
Published: May 2016

AbstractThe acetyl bond in the 4,6‐O‐alkylidenehexopyranosides (I) is cleaved with diisobutylaluminum hydride to give the isomers (II) and (III).
ChemInform Abstract: Behavior of F Acids in the Oxidation with Lipoxidase in the Presence of SH‐Containing Compounds.
Authors: JANDKE J. , SCHMIDT J. , SPITELLER G. 
Published: May 2016

AbstractIf cells are damaged, furancarboxylic acids (F acids) (I) are oxidized by liberated enzymes such as lipoxidases to very unstable dioxoenes (II).
ChemInform Abstract: X‐Ray Examination, Electrical and Magnetic Properties of Ln3Co Single Crystals (Ln: Y, Gd, Dy, and Ho).
Authors: TALIK E. , SZADE J. , HEIMANN J. , WINIARSKA A. , WINIARSKI A. , CHELKOWSKI A. 
Published: May 2016

AbstractThe title compounds, prepared from the elements by the Czochralski method, all crystallize in the Fe3C‐type structure.
ChemInform Abstract: Azeotropic Dehydration and Dehydrochlorination of ZrOCl2·8 H2O.
Authors: ATHERTON M. D. , SUTCLIFFE H. 
Published: May 2016

AbstractAzeotropic dehydration of the title compound, that can also be formulated as (Zr4(OH)8(H2O)16)Cl8·12 H2O, has been performed at 37 °C (pentane), 62 °C (hexane), 80 °C (benzene), and 110 °C (toluene).
ChemInform Abstract: Convenient Synthesis and Cycloaddition Reactions of 2‐Phenylseleno‐1,3‐butadiene and 2‐Trialkylstannyl‐1,3‐butadienes.
Authors: BATES G. S. , FRYZUK M. D. , STONE C. 
Published: May 2016

AbstractReaction of the Grignard reagent (I) with the chlorides (II) affords the title compounds (III), which undergo Diels‐Alder reaction to give the adducts (V).
ChemInform Abstract: Type‐II Intramolecular (2 + 2) Cycloaddition of Alkenes with Vinyl Ketenes Prepared by the Regiospecific Deprotonation of β,β‐Disubstituted α,β‐Unsaturated Acid Chlorides.
Authors: SNIDER B. B. , RON E. , BURBAUM B. W. 
Published: May 2016

AbstractVinyl ketenes, generated from the dienoic acids (I), (V), (VIII), and (XI) via their acid chlorides, undergo intramolecular cycloaddition to produce the fused cyclobutanones (II), (VI), and (VII), (IX) and (X) or (XII) and (XIII) as shown in the reaction scheme.
ChemInform Abstract: Silicon‐Directed Nazarov Cyclizations. Part 6. The Anomalous Cyclization of Vinyl Dienyl Ketones.
Authors: DENMARK S. E. , HITE G. A. 
Published: May 2016

AbstractThe reactions of the vinyl dienyl ketones (I) with FeCl3 give rise to the β,γ‐unsaturated α‐vinyl cyclopentenones (II); i.e. the reaction succeeds for vinyl dienyl ketones with substituents on either double bond.
ChemInform Abstract: Manganese(III)‐Based Oxidative Free Radical Cyclizations. Part 5. Termination of Polycyclization by Oxidative β‐Hydride Elimination.
Authors: SNIDER B. B. , DOMBROSKI M. A. 
Published: May 2016

AbstractTreatment of the dienonecarboxylates (I), (VII), and (IX) with manganese(III) acetate and copper(II) acetate results in an oxidative free radical cyclization to produce the exo‐methylenecyclopentanes (II), (VIII), and (X) via bicyclic cyclopentylmethyl radicals.