bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: External and Internal Heavy‐Atom Effects on the Rate of Spin‐Forbidden Proton Tunneling in the Triplet Ground State Biradical, 1,3‐Perinaphthadiyl.
Authors: FISHER J. J. , MICHL J. 
Published: May 2016

AbstractThe rearrangement of the biradical (Ia), readily accessible by UV irradiation of the respective cyclopropane precursor, by 2,1‐H shift to yield phenalene (IIa) proceeds at a temp.‐independent rate, which is attributed to quantum mechanical tunneling from the triplet ground state of (I) to the singlet ground state of (II) (Arrhenius plot for the rearrangements of (Ia), (Ib) to (IIa), (IIb) and kinetic isotope effect of 1300 for both (Ic)).
ChemInform Abstract: Energetic Comparison Between Photoinduced Electron‐Transfer Reactions from NADH Model Compounds to Organic and Inorganic Oxidants and Hydride‐Transfer Reactions from NADH Model Compounds to p‐Benzoquinone Derivatives.
Authors: FUKUZUMI S. , KOUMITSU S. , HIRONAKA K. , TANAKA T. 
Published: May 2016

AbstractKinetic studies on photoinduced electron‐transfer reactions from dihydropyridine compounds (PyH2) as NADH model compounds to organic and inorganic oxidants such as excited states of (RuL3)2+ and (RuL2L') (L: 2,2'‐bipyridine and L': 4,4'‐(COO‐)2bpy) and hydride‐transfer reactions from PyH2 to p‐benzoquinone derivatives (Q) in the absence and presence of Mg2+ ion are reported by determining over 150rate constants.
ChemInform Abstract: From Carbohydrates to Optically Active Carbocycles. Part 1. Stereochemical Control in Sugar Hex‐5‐enyl Radical Cyclization.
Authors: RAJANBABU T. V. 
Published: May 2016

AbstractThe Wittig products derived from the D‐glucopyranose (I) are converted via a radical 1,5‐trans cyclization to the cyclopentanes (III), the sole products.
ChemInform Abstract: Cyclization Under Michael Reaction Conditions. Part 2. Synthesis of 2‐Azabicyclo(2.2.2)octa‐2,5‐diene Derivatives from Alkylidenemalononitriles and Formation of Pyridine Derivatives.
Authors: IGARASHI M. , NAKANO Y. , TAKEZAWA K. , WATANABE T. , SATO S. 
Published: May 2016

AbstractTreatment of the alkylidenemalononitriles (I) with sodium methoxide yields the bicyclic derivatives (II) which are converted to the pyridines (III) by a thermal retro‐Diels‐Alder reaction.
ChemInform Abstract: Decarboxylative Radical Addition onto Protonated Heteroaromatic Systems Including Purine Bases.
Authors: CASTAGNINO E. , CORSANO S. , BARTON D. H. R. , ZARD S. Z. 
Published: May 2016

AbstractThe esters (III), prepared from N‐hydroxypyridine‐2‐thione (II) and the acids (I), are photolytically cleaved in the presence of heterocycles such as (IV) and camphorsulfonic acid to transfer the cycloalkyl moiety R1.
ChemInform Abstract: Carbonyl Addition Reaction by Means of β‐Silylphosphorous Ylide. Anti‐ Diastereoselective Vinylation of α‐Alkoxy Aldehydes.
Authors: IIO H. , MIZOBUCHI T. , TSUKAMOTO M. , TOKOROYAMA T. 
Published: May 2016

AbstractThe α‐alkoxyaldehydes (I) react with the ylides (II) to produce predominantly the anti‐allylic alcohols (III), together with syn‐(III) and the regioisomers (IV).
ChemInform Abstract: Reactions of Tris(2,6‐dimethoxyphenyl)phosphine with Epoxides.
Authors: WADA M. , TSUBOI A. 
Published: May 2016

AbstractTreatment of the epoxides (I) with the phosphine (II) gives 2‐hydroxyalkyl phosphonium species, which are isolated as their perchlorate salts (III).
ChemInform Abstract: Oxidation and Reduction of Phosphorus‐Phosphorus and Arsenic‐Arsenic Double Bonds. An Electrochemical Study of Two Diphosphenes and a Diarsene.
Authors: BARD A. J. , COWLEY A. H. , KILDUFF J. E. , LELAND J. K. , NORMAN N. C. , PAKULSKI M. , HEATH G. A. 
Published: May 2016

AbstractThe diphosphenes (Ia,c) and the diarsene (Ib) undergo electrochemical reduction in THF solution to the corresponding anion radicals (II).
ChemInform Abstract: Synthesis of Dimethyl (1‐Nitromethylalkyl)phosphonates and Their Conversion to Dimethyl (2‐Formylalkyl)phosphonates by Oxidation with Ozone.
Authors: YAMASHITA M. , SUGIURA M. , OSHIKAWA T. , INOKAWA S. 
Published: May 2016

AbstractThe (1‐nitromethylalkyl)phosphonates (III), obtained by coupling dimethyl phosphinate (I) with the nitroalkenes (II), are oxidized by ozone to give the aldehydes (IV).
ChemInform Abstract: Acid‐Catalyzed Ketone Rearrangements of tert‐Butanoyl Substituted η6‐Arene‐η5‐cyclopentadienyliron(II) Cations.
Authors: ROBERTS R. M. G. , WELLS A. S. 
Published: May 2016

AbstractAlkanoylferrocenes such as (I) react with benzene in the presence of aluminum trichloride to perform a ligand substitution reaction, yielding benzenecyclopentadienyliron complexes, e.g. (II).
ChemInform Abstract: Novel Chiral Porphyrins with C2 Symmetry.
Authors: OGOSHI H. , SAITA K. , SAKURAI K. , WATANABE T. , TOI H. , AOYAMA Y. , OKAMOTO Y. 
Published: May 2016

AbstractReaction of the dipyrromethane (I) with 2‐hydroxynaphthaldehyde (II) yields the substituted porphyrin (IIIa).
ChemInform Abstract: Chiral Route to cis‐Caronaldehyde from D‐Mannitol.
Authors: TAKANO S. , KUROTAKI A. , TAKAHASHI M. , OGASAWARA K. 
Published: May 2016

AbstractThe mannitol derivative (I) is the starting compound for the synthesis of the diastereomeric esters (Va) and (Vb).
ChemInform Abstract: Long‐Acting Androgens: Esters of Testosterone with Bile Acids.
Authors: HERZ J. E. , SANDOVAL J. 
Published: May 2016

AbstractThe testosterone esters (I) ‐ (IV) are prepared with a yield of 80 ‐ 90% either by reacting the thallium salt of testosterone (V) with the corresponding bile acid chloride or by reacting testosterone (V) with free bile acids in the presence of DCC and 4‐(dimethylamino)pyridine.
ChemInform Abstract: Regiospecific Synthesis of 3‐Substituted L‐Histidines.
Authors: HODGES J. C. 
Published: May 2016

AbstractRegiospecific alkylation of the L‐histidine derivative (I) with the sulfonates (II) generated in situ yields the substituted 3‐L‐histidines (III) which are converted to the corresponding dihydrochlorides (IV) by acidic hydrolysis.
ChemInform Abstract: Synthesis of Stable Analogues of TXA2.
Authors: EVANS E. H. , HEWSON A. T. , MARCH L. A. , NOWELL I. W. , WADSWORTH A. H. 
Published: May 2016

AbstractIn order to synthesize analogues of thromboxane A2 (I) the compounds (III) and (V) are prepared as shown.
ChemInform Abstract: Synthesis of (2R,3S)‐1,2,3‐Butanetriol Derivatives from (R)‐2,3‐O‐Isopropylideneglyceraldehyde and of the (2S,3R)‐Enantiomers from D‐Glucose. Application to the Synthesis of Enantiomerically Pure Muscarine.
Authors: MULZER J. , ANGERMANN A. , MUENCH W. + , SCHLICHTHOERL G. + , HENTZSCHEL A. 
Published: May 2016

AbstractThe enantiomers of the butanetriol derivative (III) are prepared by the sequences detailed in the scheme, i.e. by (I) → (IIa) → (+)‐(III) and, starting from "diacetone glucose", by (XIV) → (XVI) → (XVII) → (‐)‐(III).
ChemInform Abstract: Photon Enhancement of Decomposition of AsH3 and TMG.
Authors: NISHIZAWA J. , KURABAYASHI T. , HOSHINA J. 
Published: May 2016

AbstractIn connection with the development of low temp. processing techniques required in the process of manufacturing semiconductor devices the IR spectra of gas species in TMG‐H2 (TMG: trimethyl gallium), TMG‐N2, AsH3‐H2, and TMG‐AsH3‐H2 systems have been measured in a sealed cell before and after irradiation with an excimer laser beam using different lasers, and the photoexcitation effects of each gas system are demonstrated.
ChemInform Abstract: Dilead(II) Chalcogenide Anions Pb2Ch2‐ 3 (Ch: Se, Te): A 207Pb, 125Te, and 77Se Solution NMR Study. X‐Ray Crystal Structure of (2,2,2‐crypt‐K+)2Pb2Se2‐ 3.
Authors: BJOERGVINSSON M. + , SAWYER J. F. , SCHROBILGEN G. J. 
Published: May 2016

AbstractThe new series of dilead(II) chalcogenide anions has been obtained by extraction of the appropriate ternary or quaternary Zintl phases of the type KPbxSe(3‐n/3)Ten/3 (x ∼ 0.5, n = 0‐3) with ethylenediamine in the presence of 2,2,2‐crypt (4,7,13,16,21,24‐hexaoxa‐1,10‐diazabicyclo(8.8.8)hexacosane).
ChemInform Abstract: Structural Study of In2Sn3S7 by Moessbauer Spectrometry and X‐Ray Diffraction.
Authors: ADENIS C. , OLIVIER‐FOURCADE J. , JUMAS J.‐C. , PHILIPPOT E. 
Published: May 2016

AbstractSingle crystals of the mixed valence title compound, In2Sn(II)2Sn(IV)S7, have been prepared from In2S3 and SnS by chemical vapour transport (630‐680 °C) with I2.
ChemInform Abstract: Crystal Structure of a Novel Zinc Phosphate, Zn3(PO4)2·H2O.
Authors: RIOU A. , CUDENNEC Y. , GERAULT Y. 
Published: May 2016

AbstractThe title compound, obtained by hydrothermal reaction of P2O5 and ZnO at 150 °C, crystallizes in the monoclinic system, space group P21/c, Z=4.
ChemInform Abstract: Steam Stability of H‐ZSM‐5‐Type Zeolites Containing Alkaline Earth Metals
Authors: FUJISAWA K. , SANO T. , SUZUKI K. , OKADO H. , KAWAMURA K. , KOHTOKU Y. , SHIN S. , HAGIWARA H. , TAKAYA H. 
Published: May 2016

Abstracthas been investigated using 27Al MAS NMR, TPD of NH3, and MeOH conversion reactions.
ChemInform Abstract: Non‐Stationary Electrochemical Response of Polycrystalline Cadmium in Sodium Hydroxide Solutions.
Authors: SAIDMAN S. B. , VILCHE J. R. , ARVIA A. J. 
Published: May 2016

AbstractDifferent voltammetric methods have been used to investigate the anodization of Cd in NaOH solutions (0.01‐1 M, 25 °C), which is observed to produce a hydrous cadmium hydroxide‐cadmium oxide layer and soluble Cd species.
ChemInform Abstract: Synthesis and Structure of Fluorine‐Containing β‐Chlorovinyl Ketones.
Authors: PASHKEVICH K. I. , BOBROV M. B. , AIZIKOVICH A. YA. , RUDAYA M. N. 
Published: May 2016

AbstractUpon chlorination with thionyl chloride, the unsymmetrically fluorinated β‐diketones (Ia) which have bulky alkyl substituents give only the Z‐configurated β‐chlorovinyl ketones (III).
ChemInform Abstract: The Crossed Claisen Ester Condensation Mediated by Titanium(IV) Bistriflate.
Authors: TANABE Y. , MUKAIYAMA T. 
Published: May 2016

AbstractIntramolecular ester condensation of methoxymethyl methyl adipate (I) in the presence of the triflate (II) and the amines (III) produces predominantly the methoxymethyl cyclopentanonecarboxylate (IV).
ChemInform Abstract: Rhodium Catalyzed Hydrogenation of Nitrogen Heteroaromatics Under Water Gas Shift Conditions. Selective Synthesis of 1,2,3,4‐Tetrahydroquinolines and N‐Formyl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: MURAHASHI S. , IMADA Y. , HIRAI Y. 
Published: May 2016

AbstractThe quinolines (I) are treated with CO/H2O in the presence of the rhodium carbonyl cluster (II) to yield only the products (III), hydrogenated in the heterocyclic ring.
ChemInform Abstract: Acylation of “Dibasic” Carbon Acids.
Authors: ERMOLOV A. F. , ELEEV A. F. , BENDA A. F. , SOKOL'SKII G. A. 
Published: May 2016

AbstractThe reactions of dibasic carbon acids such as (II), (V) and (VIII) with the perfluoroacyl chlorides (I) in the presence of NEt3 according to method A) afford the stable enolates (III), (VI) and (IX).
ChemInform Abstract: Trimethylsilyl Chloride/Tetramethylethylenediamine Facilitated Additions of Organocopper Reagents (RCu) to Enones.
Authors: JOHNSON C. R. , MARREN T. J. 
Published: May 2016

AbstractThe stereoselectivity of the coupling reaction between the enones (I) and the organocopper reagents (II), derived from CuI and alkyl or phenyl lithium, is improved by addition of chlorotrimethylsilane (III) and tetramethylethylenediamine.
ChemInform Abstract: Carbonylation of Nitrobenzene with Ruthenium Clusters.
Authors: BASU A. , BHADURI S. , KHWAJA H. 
Published: May 2016

AbstractThe Ru3(CO)12‐catalyzed carbonylation of nitrobenzene (I) gives aniline (II), phenyl isocyanate (III), and in the presence of methanol, the urethane (IV).
ChemInform Abstract: 1‐(Dimethylamino)‐1,3‐butadienes: Preparation and (4 + 2) Cycloaddition to trans‐β‐Nitrostyrene.
Authors: POTTHOFF B. , BREITMAIER E. 
Published: May 2016

AbstractTitle compounds of type (III) are obtained as colorless liquids which decompose at room temp. under polymerization.
ChemInform Abstract: Aminolysis of Triphenylantimony Dicarboxylates and Its Application to Catalytic Amidation.
Authors: NOMURA R. , WADA T. , YAMADA Y. , MATSUDA H. 
Published: May 2016

AbstractThe triphenylantimony dicarboxylates (I) react with the amines (II), producing the amides (III).
ChemInform Abstract: Synthesis of Acylthiosulfanilic Esters.
Authors: LUBENETS V. I. , YARISH M. E. , VID L. V. , CHUIKO L. S. , SOLONIN V. N. , KUCHERENKO L. A. 
Published: May 2016

AbstractThe title compounds (II), (III) and (V) are prepared by a novel procedure, acylation of the thiosulfanilic esters (I) or (IV).
ChemInform Abstract: Chemistry of 1,8‐Substituted Naphthalenes. Part 19. Synthesis of N‐Substituted 2‐Aminonaphtho(1,8‐bc)furylium Salts.
Authors: PIKUS A. L. , MEZHERITSKII V. V. 
Published: May 2016

AbstractSuccessive treatment of the N‐substituted amides (I) with POCl3 and HClO4 affords the title compounds (II) in high yields.
ChemInform Abstract: The Synthesis and Properties of 3‐Arylcyclohepta(d)isoxazolylium Ions.
Authors: NITTA M. , KANOMATA N. 
Published: May 2016

AbstractThe cycloaddition reaction of the nitrile oxides (I) with cycloheptatrienone iron tricarbonyl (II) yields the fused isoxazoles (IV) after decomplexation and dehydrogenation.
ChemInform Abstract: A Stereocontrolled Synthesis of the Key Intermediate of (+)‐Thienamycin from (R)‐(‐)‐3‐Hydroxybutyric Acid Esters.
Authors: HATANAKA M. , NITTA H. 
Published: May 2016

AbstractThe 3‐hydroxybutyrates (I) are coupled with the carboxaldimine (II), producing the urethanes (III).
ChemInform Abstract: A Highly Stereoselective Synthesis of γ‐Acyl‐δ‐lactones by the Trityl Perchlorate Catalyzed Tandem Michael Aldol Reaction.
Authors: KOBAYASHI S. , MIKAIYAMA T. 
Published: May 2016

AbstractThe enones (I) react with the ketene acetals (II) and the aldehydes (III) in the presence of trityl perchlorate, yielding the 4‐acyl‐5‐siloxy esters (IV).
ChemInform Abstract: N‐Aryl‐4‐dimethylaminopyridinium Salts and Their Arylating Properties.
Authors: VIZGERT R. V. , SHEIKO S. G. , KULISHOVA T. P. , PEKHTEREVA T. M. , NARDEKOVA V. V. 
Published: May 2016

AbstractThe title compounds (III) are prepared for the first time.
ChemInform Abstract: Preparation of 2,3‐Dihydrothiazolo(3,2‐c)quinazolinium Salts from 4(3H)‐Quinazolinethiones or 4H‐1,3‐Benzothiazine‐4‐thiones.
Authors: MOLINA P. , ARQUES A. , VINADER M. V. 
Published: May 2016

AbstractRing closure reaction of the S‐ and N‐alkylated quinazoline derivatives (III) and (VII), prepared from the title compounds (I) and (V), respectively, yields the title salts (IV).
ChemInform Abstract: Synthesis of Spiro‐o‐carboranylenecyclophosphazenes.
Authors: KORSHAK V. V. , BEKASOVA N. I. , PRIGOZHINA M. P. 
Published: May 2016

AbstractThe title compounds (III) ‐ (V) are prepared from hexachlorocyclotriphosphazene (I) and the bishydroxymethyl‐o‐carborane (II) depending on the molar ratio.
ChemInform Abstract: α‐Alkoxytin Compounds in Organic Synthesis: An Efficient Synthesis of α‐Ethoxyalkenyl‐ and α‐Ethoxyalkynyl‐Tin Compounds.
Authors: DUCHENE A. , QUINTARD J.‐P. 
Published: May 2016

AbstractDiethoxymethyltributyltin (II) is substituted by the organo‐aluminum compounds (III) to give the α‐ethoxyalkenyl‐ and α‐ethoxyalkynyltin derivatives (I).
ChemInform Abstract: Synthesis of (Mo(η‐C5H4iPr)(PR3)2H3) (R3: Me3 or Me2Ph), (Mo(η‐C5H4iPr)(iPr2PCH2CH2PiPr2)H3), and Analogues and Their Ability to Catalyze the Photoinduced Hydrogen‐Deuterium Exchange of Carbon‐Hydrogen Bonds; Crystal Structure of ((Mo(η‐C5H4iPr)(μ‐Cl)2)2).
Authors: GREBENIK P. D. , GREEN M. L. H. , IZQUIERDO A. , MTETWA V. S. B. , PROUT K. 
Published: May 2016

AbstractHydrochlorination of the σ,η5‐(2‐cyclopentadienylpropyl)‐Mo complex (I) gives the chloride‐bridged η5‐isopropylcyclopentadienyl‐Mo dimer (II) whose crystal structure is determined (space group P21/c, Z=2).
ChemInform Abstract: Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 51. Alkylidyne(carbaborane)tungsten‐gold and ‐rhodium Complexes; Crystal Structures of (AuW(μ‐CR)(CO)2(PPh3)(η5‐C2B9H9Me2)), (RhW(μ‐CR)(CO)2(PPh3)2(η5‐C2B9H9Me2)), and (RhW(μ‐CR)(CO)2(PPh3)2(η5‐C2B9(C7H9)H8Me2)) (R: C6H4Me‐4).
Authors: GREEN M. , HOWARD J. A. K. , JAMES A. P. , NUNN C. M. , STONE F. G. A. 
Published: May 2016

AbstractThe complexes (III)‐(VII) are prepared as shown in the scheme.
ChemInform Abstract: Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 52. Synthesis and Reactions of the Compounds (RuW(μ‐CR)(CO)3(η‐C5H5)(η5‐C2B9H9Me2)) (R: C6H4Me‐4 or Me); Crystal Structures of (RuW(μ‐CC6H4Me‐4)(CO)3(η‐C5H5)(η5‐C2B9H9Me2)) and (N(PPh3)2) (RuW(μ‐CC6H4Me‐4)(.mu±sigma.,η5‐C2B9H8Me2)(CO)3(η‐C5H5)).
Authors: GREEN M. , HOWARD J. A. K. , DE M. JELFS A. N. , JOHNSON O. , STONE F. G. A. 
Published: May 2016

AbstractTreatment of the W compounds (I) with the Ru complex (II) affords the dimetal complexes (III) in which one H atom of the η5‐carbaborane ligand forms a bridge to the Ru centre.
ChemInform Abstract: Pentadienyl‐Metal‐Phosphine Chemistry. Part 10. Comparison of the Reactions of (η5‐Pentadienyl)Mn((Me2PCH2)3CMe) and (η5‐2,4‐Dimethylpentadienyl)Re(PMe2Ph)3 with H+. Isolation of a Protonated Manganese Complex Containing an Agostic C‐H‐M Interaction.
Authors: BLEEKE J. R. , KOTYK J. J. , MOORE D. A. , RAUSCHER D. J. 
Published: May 2016

AbstractBoth the title complexes (I) and (III) react with acids to generate protonated complexes such as (II) and (IV), respectively.
ChemInform Abstract: Oxoaryls of Rhenium(V) and ‐(VI) and Osmium(VI). X‐Ray Crystal Structures of Dimesityldioxorhenium(VI), Tetramesityloxorhenium(VI), and Dimesityldioxoosmium(VI).
Authors: STRAVROPOULOS P. , EDWARDS P. G. , BEHLING T. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B. 
Published: May 2016

AbstractThe reaction of (I) (or Re2O7) with mesitylmagnesium bromide leads to the diamagnetic Re(V) complex (II), containing tetrahedral R2ReO2‐ units coordinated to solvated Mg centers, probably via one of their oxygens.
ChemInform Abstract: Preparation and Magnetism of the Binuclear Iron(II) Complexes ((Fe(C9H21N3)X2)2) (X: NCS, NCO, or N3) and Their Reaction with NO. Crystal Structures of ((Fe(C9H21N3)(NCS)2)2) and (Fe(C9H21N3)(NO)(N3)2).
Authors: POHL K. , WIEGHARDT K. , NUBER B. , WEISS J. 
Published: May 2016

AbstractThe complexes (I) are generated under strictly anaerobic conditions from methanolic solutions containing the tridentate macrocycle, Fe perchlorate and excess NaX.
ChemInform Abstract: Nineteen‐Electron Adducts in the Photochemistry of Cp2Fe2(CO)4 (Cp: η5‐C5H5).
Authors: GOLDMAN A. S. , TYLER D. R. 
Published: May 2016

AbstractThe title dimer, thought to be unreactive toward photochemical disproportionation, was shown to undergo this type of reaction which is known from other metal‐metal bonded carbonyl dimers.
ChemInform Abstract: Synthesis and Characterization of Cobalt(III), Cobalt(II), Zinc(II), and Calcium(II) Complexes Containing the Trimethylamine‐Boranecarboxylato Ligand (CH3)3N·BH2COO‐.
Authors: NORWOOD V. M. III , MORSE K. W. 
Published: May 2016

AbstractThe coordination chemistry of Co(III), Co(II), Zn(II), and Ca(II) with the title ligand is studied by using IR, 1H and 11B NMR, and visible spectroscopy.
ChemInform Abstract: Organic Metals: Synthesis, Structure, and Properties of (BMDT‐TTF)2Au(CN)2.
Authors: NIGREY P. J. , MOROSIN B. , KWAK J. F. , VENTURINI E. L. , BAUGHMAN R. J. 
Published: May 2016

AbstractBis(methylenedithio)tetrathiafulvalene (VI) is prepared as shown in the reaction scheme.
ChemInform Abstract: Cyclitol Reactions. Part 15. Synthesis of Pseudodisaccharides with Ether Linkage.
Authors: PAULSEN H. , VON DEYN W. 
Published: May 2016

AbstractSome pseudodisaccharides containing an ether linkage between a cyclitol and a saccharide component, e.g. (Vb), (VII), (XI), or (XII), are synthesized.
ChemInform Abstract: Reactions of Nitro Sugars. Part 43. Formation of Carbohydrate Nitrocyclopropanes from Nitroalditols.
Authors: RADATUS B. , WILLIAMS U. , BAER H. H. 
Published: May 2016

AbstractReaction of the 1‐nitroheptitol (I) with tetrabutylammonium azide yields the 3‐azido compound (II), together with the epimeric nitrocyclopropanes (III) and (IV) and the branched‐chain azidonitro compound (V).
ChemInform Abstract: Depyrophosphorylation of Adenosine 5′‐Triphosphate (ATP).
Authors: TAFESSE F. , MILBURN R. M. 
Published: May 2016

AbstractThe slow hydrolysis of free title compound in both weakly (pH 8.5) and strongly (pH 13.5) basic aqueous solution (NaOH, 4 °C) is found to favor depyrophosphorylation over dephosphorylation.
ChemInform Abstract: Synthesis of an mRNA Fragment of Alanyl‐tRNA Synthetase Gene in Escherichia coli Using the 6‐Methyl‐3‐pyridyl Group for Protection of the Imide Functions of Uridine and Guanosine.
Authors: WELCH C. J. , ZHOU X.‐X. , CHATTOPADHYAYA J. 
Published: May 2016

AbstractThe synthesis of the title pentanucleotide fragment (XII) is described in order to demonstrate the synthetic usefulness of the 6‐methyl‐3‐pyridinyl group for the protection of the O‐4 and O‐6 imide function of uridine and guanosine, respectively.
ChemInform Abstract: Unusual Farnesyl Pyrophosphate Synthetase Reaction of an Artificial Substrate with Ni2+.
Authors: MAKI Y. , WATANABE G. , SAITO A. , KOYAMA T. , OGURA K. 
Published: May 2016

AbstractThe enzymatic coupling of 4‐methyl‐4‐pentenyl alcohol (Ia) or its pyrophosphate (Ib) with geranyl pyrophosphate (II) in the presence of Mg(II) produces only the 3‐Z‐trienes (III).
ChemInform Abstract: Probing the Self‐Assembly Mechanism of Lanthanide‐Containing Sandwich‐Type Silicotungstates [{Ln(H2O)n}2{Mn4 (B‐α‐SiW9O34)2 (H2O)2}]6‐ Using Time‐Resolved Mass Spectrometry and X‐Ray Crystallography.
Authors: Fan Lin‐Yuan , Lin Zheng‐Guo , Cao Jie , Hu Chang‐Wen 
Published: May 2016

AbstractThe structure of a series of lanthanide‐containing sandwich‐type polyoxometalates is determined by single crystal XRD and electrospray ionization mass spectrometry.
ChemInform Abstract: [Cu(NHC)]‐Catalyzed C—H Allylation and Alkenylation of Both Electron‐Deficient and Electron‐Rich (Hetero)arenes with Allyl Halides.
Authors: Xie Weilong , Chang Sukbok 
Published: May 2016

AbstractA new protocol for the C—H allylation of polyfluoroarenes is disclosed by using a [Cu(NHC)] catalyst.
ChemInform Abstract: Phase‐Transfer Catalysis via a Proton Sponge: A Bifunctional Role for Biscyclopropenimine.
Authors: Belding Lee , Stoyanov Peter , Dudding Travis 
Published: May 2016

AbstractBis(diisopropylamino)cyclopropenimine‐substituted bis‐protonated proton sponge (BDC) is a useful phase‐transfer catalyst for the alkylation of compound (I) with a range of alkyl halides.
ChemInform Abstract: The Catalytic Enantioselective Synthesis of Tetrahydroquinolines Containing All‐Carbon Quaternary Stereocenters via the Formation of Aza‐ortho‐xylylene with 1,2‐Dihydroquinoline as a Precursor.
Authors: Li Guangxun , Liu Hongxin , Wang Yingwei , Zhang Shiqi , Lai Shujun , Tang Ling , Zhao Jinzhong , Tang Zhuo 
Published: May 2016

Abstract4‐Phenyl‐2,2‐dimethyl‐1,2‐dihydroquinoline does not react, probably due to steric hindrance.
ChemInform Abstract: Poly(3,4‐dimethyl‐5‐vinylthiazolium)/DBU‐Catalyzed Thioesterification of Aldehydes with Thiols.
Authors: Chung Junyong , Seo Ue Ryung , Chun Supill , Chung Young Keun 
Published: May 2016

AbstractThe title catalytic system exhibits high catalytic activity for the thioesterification of aldehydes.
ChemInform Abstract: Synthesis of Spiranes by Thiol‐Mediated Acyl Radical Cyclization.
Authors: Hsu Day‐Shin , Chen Chih‐Hao , Hsu Chi‐Wei 
Published: May 2016

AbstractVarious spirocyclic 1,4‐diketones are efficiently synthesized from enone‐aldehydes in the presence of tert‐dodecanethiol and AIBN.
ChemInform Abstract: para‐Selective Cu‐Catalyzed C—H Aryloxylation of Electron‐Rich Arenes and Heteroarenes.
Authors: Sokolovs Igors , Suna Edgars 
Published: May 2016

AbstractReaction of electron rich arenes (I) and (IV), and electron rich heterocycles (VI) with hypervalent iodine reagent generates λ3‐iodane intermediates, which readily undergo Cu‐catalyzed reaction with a variety of phenols to form diaryl ethers.