bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Detection of 2,5‐Dimethylene‐2,5‐dihydrothiophene and Thiophenoradialene.
Authors: MUENZEL N. + , KESPER K. , SCHWEIG A. , SPECHT H.
Published: May 2016

Pyrolytic cleavage of the (chloromethyl)methylthiophenes (I) or (IV) at 600‐650°C yields the polymethylene compounds (II) or (V) mentioned in the title which are identified via spectroscopic investigations.
ChemInform Abstract: Antiparasitic Agents. Part 9. Synthesis of 5(6)‐Alkoxycarbonyl‐2‐substituted‐benzimidazoles as Potential Anthelmintics.
Authors: NAIM S. S. , SINGH S. K. , SHARMA S. , GUPTA S. , FATMA N. , CHATTERJEE R. K. , KATIYAR J. C.
Published: May 2016

The esters (IVa), (IVb) and the acid (IVc) are prepared starting from the acid (I).
ChemInform Abstract: Series on Polarized Ketene S,S‐ and S,N‐Acetals. Part 56. Regioselective Synthesis of 5‐Alkylthio‐ and 3‐Alkylthioisoxazoles from Acylketene Dithioacetals.
Authors: PURKAYASTHA M. L. , ILA H. , JUNJAPPA H.
Published: May 2016

The acylketene dithioacetals (I) react with hydroxylamine hydrochloride (II) in the presence of sodium methoxide in methanol to form the 5‐alkylthioisoxazoles (III).
ChemInform Abstract: New Modification of the Intramolecular α‐Amidoalkylation for the Synthesis of 2‐Acyl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: VENKOV A. P. , LUKANOV L. K.
Published: May 2016

The N‐(phenethyl)imines (I) are acylated with the chlorides (II) and then directly cyclized in the presence of aluminum trichloride or potassium iodide, yielding the tetrahydroisoquinolines (III).
ChemInform Abstract: Benzodiazepine Receptor Ligands. Synthesis and Pharmacological Evaluation of 6‐Aryl‐3,8‐disubstituted‐1,2,4‐triazolo(3,4‐a)phthalazines.
Authors: TARZIA G. , OCCELLI E. , BARONE D.
Published: May 2016

The 1‐hydrazino‐4‐arylphthalazines (V) are prepared from the corresponding 2‐aroylbenzoic acids (I) by conventional cyclocondensation and substitution reactions.
ChemInform Abstract: Synthesis of Fully Unsaturated Monocyclic 1,2,5‐Triazepines from 4‐Azidopyridazines.
Authors: SAWANISHI H. , SAITO S. , TSUCHIYA T.
Published: May 2016

Irradiation of the azidopyridazines (I) with diethylamine (IIa) or sodium methoxide (IIb) results in ring‐enlargement and substitution, forming the unstable 1H‐1,2,5‐triazepines (III).
ChemInform Abstract: Element‐Element‐Bonds. Part 5. Synthesis, Molecular and Crystal Structure of Tetrakis(trimethylstannyl)distibane.
Authors: BECKER G. , MEISER M. , MUNDT O. , WEIDLEIN J.
Published: May 2016

The title compound (VI) is obtained according to the scheme.
ChemInform Abstract: Cyclopentadienyl and Indenylborohydride Organoactinides: Synthetic Chemistry. Characterization and Physical Properties.
Authors: BETTONVILLE S. , GOFFART J.
Published: May 2016

Indenylsodium (I) reacts with the thorium borohydride (II) to give diindenylthorium bis(borohydride) (III) and triindenylthorium borohydride (IV) which are separated by sublimation of (III) at 130°C/10‐3 torr.
ChemInform Abstract: Diamine‐N,N′‐diacetatochromate(III) Complexes with Oxalate and Malonate Anions. Crystal Structure of (‐)589‐(Co(en)2(C2O4))1/N(‐)546‐(Cr(1,3‐pdda)(mal))·H2O.
Authors: RADANOVIC D. J. , TRIFUNOVIC S. R. , GRUJIC S. A. , MARICONDI C. , PARVEZ M. , DOUGLAS B. E.
Published: May 2016

The unsym.‐cis complex ions (I) are prepared from CrCl3 and the ligands in water and resolved into their optical isomers, isolated as their (‐)589‐Co(en)2(C2O4) salts in the case of (Ia).
ChemInform Abstract: Multiple Bonds Between Main Group Elements and Transition‐Metals. Part 63. Alkyl and Alkylidyne Complexes of Rhenium.
Authors: FELIXBERGER J. K. , KIPROF P. , HERDTWECK E. , HERRMANN W. A. , JAKOBI R. , GUETLICH P. +
Published: May 2016

Stepwise alkylation and halogenation reactions leading to new alkylidyne Re complexes are described.
ChemInform Abstract: Synthesis and Molecular and Electronic Structure of Stable Salts Containing the Radical Anions (Fe4(CO)12CC(O)R)2‐ (R: CH3, CH2C6H5).
Authors: WANG J. , CRESPI A. M. , SABAT M. , HARRIS S. , WOODCOCK C. , SHRIVER D. F.
Published: May 2016

The cyclic voltammograms and bulk electrolysis of the clusters (I) demonstrate a surprisingly favorable one‐electron reduction to produce the stable dinegative radical cluster anions (II).
ChemInform Abstract: Two Ferrole Isomers in Equilibrium: Experimental Confirmation of an Old Hypothesis.
Authors: TASI M. , POWELL A. K. , VAHRENKAMP H.
Published: May 2016

The μ3‐azoalkane bridged cluster Fe3(CO)9(N2Et2) reacts with excess phenylacetylene (petroleum ether, 110 °C, 10 min) to give the two isomers (I) (18% yield) and (II) (57% yield), which are separated chromatographically and identified by IR and 1H NMR data and crystal structure analyses.
ChemInform Abstract: Pressure‐Induced Spin‐State Interconversion of (Fe(6‐Me‐py)3tren)(ClO4)2 in Solution.
Authors: HAMMACK W. S. , CONTI A. J. , HENDRICKSON D. N. , DRICKAMER H. G.
Published: May 2016

The series of pseudooctahedral Fe(II) spin‐crossover complexes (I) exhibit varying degrees of high‐ and low‐spin population in solution.
ChemInform Abstract: Synthesis and Structure of a Dinuclear, syn‐Coordinated μ‐Cycloheptatrienyl(hydrido) Complex with Hindered C7H7‐Rotation.
Authors: WADEPOHL H. , GALM W. , PRITZKOW H.
Published: May 2016

The mechanism of the reaction of (I) and (II) leading to the title complex (III) is described.
ChemInform Abstract: Spectral and Magnetic Moment Studies on Some Metal Complexes with Diethylenetriamine‐N,N,N′,N′′,N′′‐penta(methylenephosphonic Acid).
Authors: RAO B. V. , PURI D. M.
Published: May 2016

With di‐ and tri‐valent metal salts the title ligand forms the polynuclear complexes (I) and (II), which are polymeric in nature.
ChemInform Abstract: Cyclopalladation and Cycloplatination of the Furan Ring of N,N‐Dimethyl‐2‐furancarbothioamide.
Authors: NONOYAMA M.
Published: May 2016

The title ligand (II) is cyclometalated with the lithium palladates (I) or the potassium platinate (IV) to give the halide‐bridged dimers (IIIa), (IIIb), and (IIId).
ChemInform Abstract: Synthesis and Spectroscopic Characteristics of Bis(ethenyldimethylsilylmethyl)platinum(II) Complexes Containing Tertiary Phosphine Ligands.
Authors: KELLY R. D. , YOUNG G. B.
Published: May 2016

Complexes of type (V) are synthesized by diene displacement from (III) as demonstrated for (Va).
ChemInform Abstract: Asymmetric Syntheses via Heterocyclic Intermediates. Part 42. Asymmetric Syntheses of Diastereomerically and Enantiomerically Pure (2R,3S)‐threo‐3‐Arylserine Methyl Esters by the Bislactim Ether Method. Asymmetric Synthesis of Chloramphenicol.
Authors: SCHOELLKOPF U. + , BEULSHAUSEN T.
Published: May 2016

The desired title esters (IV) are prepared as shown.
ChemInform Abstract: Enzymatic Peptidyl α‐Amidation Proceeds Through Formation of an α‐Hydroxyglycine Intermediate.
Authors: YOUNG S. D. , TAMBURINI P. P.
Published: May 2016

The capacity of a homogeneous α‐amidating enzyme (not further specified) to convert (I) or its N‐ and α‐hydroxyglycine analogues (III) and (IV) to (II) is examined.
ChemInform Abstract: A Simple Synthesis of N‐Acylglycosylamines.
Authors: KLEMER A. , KOHLA M.
Published: May 2016

D‐Ribose (I) reacts with the nitriles (II) in liquid hydrogen fluoride to form the corresponding 1,2‐cis‐configurated N‐acyl‐α‐D‐ribofuranosylamines (III).
ChemInform Abstract: Castor Oil to Biologically Active Compounds. Part 4. Ricinoleic Acid to Prostaglandins. Part 2. Synthesis of 2‐(6′‐Methoxycarbonylhexyl)‐3‐(3′‐hydroxy‐1‐octynyl)‐cyclopent‐2‐enone and PGB1.
Authors: KUMARI T. S. , PATEL H. A. , DEV S.
Published: May 2016

The diacetate (I), described in the preceding paper, is used for the preparation of the title compound (VI).
ChemInform Abstract: Oxidative Ring Opening of 2‐Pyrazolines. Application to Lactamization and Formylation of 6H‐1,3‐Thiazines.
Authors: TULOUP R. , DANION‐BOUGOT R. , DANION D. , PRADERE J. P.
Published: May 2016

The 2‐pyrazolines (I) are cleaved upon treatment with benzeneseleninic anhydride to give the unsaturated (II) or the saturated carbonyl compounds (III) depending on the substitution pattern.
ChemInform Abstract: Photoelectron Spectra and Molecular Properties. Part 112. Photoelectron and Photoionization Mass Spectra of the Fluoramines NH3‐nFn
Authors: BAUMGAERTEL H. + , JOCHIMS H.‐W. , RUEHL E. + , BOCK H. , DAMMEL R. , MINKWITZ J. , NASS R.
Published: May 2016

(n = 1‐3).
ChemInform Abstract: Solid‐State NMR Study Using Trimethylphosphine as a Probe of Acid Sites in Normal and Dealuminated Zeolite Y.
Authors: LUNSFORD J. H. , TUTUNJIAN P. N. , CHU P. , YEH E. B. , ZALEWSKI D. J.
Published: May 2016

The 31P MAS NMR study shows that Me3P is an effective probe molecule for studying both Bronsted and Lewis acid sites in acidic Y‐type zeolites.
ChemInform Abstract: Failure to Observe Peroxide in YBa2Cu3O7, La1.8Sr0.2CuO4, La2CuO4, and La2NiO4 by Reaction with Permanganate.
Authors: HARRIS D. C. , VANDERAH T. A.
Published: May 2016

It may be possible that all Cu in the high Tc superconductor YBa2Cu3O7‐x (0 ≦ x ≦ 0.5) is present as Cu2+ and that some oxygen is present as peroxide according to the formula YBa2Cu3II(O2‐)6+x(O22‐)0.5‐x, which is indistinguishable from YBa2Cu2+2xIICu1‐2xIIIO7‐x by iodometric titration or by reaction with H2.
ChemInform Abstract: In situ Scanning Tunneling Microscopy Studies of the Underpotential Deposition of Lead on Au(111).
Authors: GREEN M. P. , HANSON K. J. , SCHERSON D. A. , XING X. , RICHTER M. , ROSS P. N. , CARR R. , LINDAU I.
Published: May 2016

A modified scanning tunneling microscope (STM) is used in situ to examine the changes in the surface topography induced by the underpotential deposition of a monolayer of lead on Au(111).
ChemInform Abstract: An Oxygen‐Centered Tetranuclear Titanium Compound Ti4O(S2)4Cl6.
Authors: COTTON F. A. , FENG X. , KIBALA P. A. , SANDOR R. B. W.
Published: May 2016

Depending on the conditions, the reaction of titanium, sulfur, and sulfur monochloride yields either the title compound (IV) or (V).
ChemInform Abstract: Elaboration of Metal Oxide Compounds in Concentrated Water‐Alkaline Hydroxide Mixtures. Preparation and Study of New Manganese Oxides.
Authors: CHOUAIB F. , PICARD G.
Published: May 2016

Manganese oxides (MnOx·nH2O with x ∼ 1.4‐1.9 and n ∼ 0.1‐0.8) are prepared either by reduction of MnO4‐ or by oxidation of MnSO4 in aqueous KOH or NaOH solution and the equilibrium potential/composition diagrams for manganese in H2O/KOH and H2O/NaOH mixtures at 25 °C are constructed.
ChemInform Abstract: Thermoanalytical Investigation of YBa2Cu3O7‐y Superconductor. Part 3. Preparation from Mixed 2‐Ethyl‐hexanoates of Yttrium, Barium, and Copper.
Authors: NEGISHI A. , TAKAHASHI Y. , SAKAMOTO R. , OZAWA T. , KAMIMOTO M.
Published: May 2016

The title synthetic route, which is known from the literature, is investigated by TG, TG‐DTA, XRD, and EDX.
ChemInform Abstract: Captodative Substituent Effects. Part 48. Spin Delocalization in Heterocyclic Captodative Radicals.
Authors: NOOTENS C. , MERENYI R. , JANOUSEK Z. , VIEHE H. G.
Published: May 2016

The title radicals, e.g. (I), (II) and (III), are synthesized by hydrogen abstraction of the corresponding C‐H compounds or by dissociation of dimers.
ChemInform Abstract: Ru(2,2′‐bpy)2(NCS)2·X (X: CH3CN, (CH3)2SO) and Related Compounds: Crystal Structure, VTFTIR, and NMR Study.
Authors: HERBER R. H. , NAN G. , POTENZA J. A. , SCHUGAR H. J. , BINO A.
Published: May 2016

The title complex (I) crystallizes in C2/c with Z=4 as its MeCN solvate and in P1 with Z=2 as its DMSO solvate.
ChemInform Abstract: Regiochemistry of (4 + 2) Cycloadditions with Methylpyrano(3,4‐b)indol‐3‐ones and Unsymmetric Dienophiles.
Authors: PINDUR U. , ERFANIAN‐ABDOUST H.
Published: May 2016

The cycloaddition of the pyrano(3,4‐b)indoles (I) with a series of acyclic unsymmetrical dienophiles, i.e. electron‐deficient alkenes and alkynes, is studied.
ChemInform Abstract: Energy Transfer in the IR Laser‐Induced Reaction of Methyl Isocyanide.
Authors: SHULTZ M. J. , YAM L. M. , TRICCA R. E.
Published: May 2016

The addition of bath gases such as O2, argon, CO2, and EtCN decreases the yield of (II).
ChemInform Abstract: Cerium(IV) Sulfate Oxidations of β‐Amino Ketones. Part 5. Synthesis of Various Substituted 5‐Oxo‐2,6‐methano‐2‐benzazocines.
Authors: HOLGRABE U. , PIENING B. , KOHLMORGEN R. , STOLL E.
Published: May 2016

Cerium(IV) sulfate oxidation of the 1‐benzyl‐4‐oxopiperidine derivatives (Ia) ‐ (Ic) yields the bridged benzazocines (II), together with the simply dehydrogenated products (III) and (IV).
ChemInform Abstract: Thermodynamic Control of Regioselectivity in the Addition of Carbanions to (Arene)tricarbonylchromium Complexes.
Authors: KUENDIG E. P. + , DESOBRY V. , SIMMONS D. P. , WENGER E.
Published: May 2016

The results of a study concerning kinetic or thermodynamic control of the addition of carbon nucleophiles such as (II) to four (arene)Cr(CO)3 complexes such as (I) are presented.
ChemInform Abstract: The Use of a Phosphine Containing a Basic Group in the Mitsunobu Esterification Reaction.
Authors: CAMP D. , JENKINS I. D.
Published: May 2016

The use of pyridylphosphine (I) instead of the normally used Ph3P facilitates isolation of the desired ester because the resulting phosphine oxide (VI) is readily removed by a dilute acid washing (2 M HCl); (VI) can be recycled to (I) by the reported CeCl3/LiAlH4 procedure.
ChemInform Abstract: Intramolecular N‐ and O‐Imidoylation of the Carboxamide Group.
Authors: MAZURKIEWICZ R.
Published: May 2016

N,N‐Disubstituted diamides of dicarboxylic acids, for example (I) and (III), are found to react according to A) to give intramolecular N‐imidoylation products.
ChemInform Abstract: Protiodesilylation Reactions of β‐ and γ‐Hydroxysilanes: Deuterium Labeling and Silicon‐Directed Epoxide Openings.
Authors: HUDRLIK P. F. , HOLMES P. E. , HUDRLIK A. M.
Published: May 2016

Various (2‐ or 3‐hydroxyalkyl)trimethylsilanes are treated with potassium tert‐butoxide in the presence of a crown ether to produce the corresponding desilylated alcohols.
ChemInform Abstract: Thiono and Dithio Esters. Part 43. Alkylation and Acylation of Tetrathiomalonates.
Authors: HARTKE K. , AFRASHTEH A.
Published: May 2016

Diethyl tetrathiomalonate (IV), prepared from the dipyrrolidide (I) via sulfhydrolysis of the dipyrrolidinium salt (III), is S‐alkylated with the halides (V) to give the ketene dithioacetals (VI).
ChemInform Abstract: Thiono and Dithio Esters. Part 44. Reaction of Tetrathiomalonic Esters with Amines, Hydrazines, and Oxidizing Agents.
Authors: AFRASHTEH A. , HARTKE K.
Published: May 2016

Diethyl tetrathiomalonate (I) reacts with the primary and secondary aliphatic amines (II) to give the bisthioamides (III), whereas treatment of (I) with the primary arylamines (IV) produces the 3‐anilino‐3‐(ethylthio)acrylates (V).
ChemInform Abstract: A Water‐Stable Quadricyclane Derivative.
Authors: TAMIAKI H. , MARUYAMA K.
Published: May 2016

The amidoquadricyclanecarboxylate (I) is stable in hot aqueous solutions but undergoes an exothermic conversion to the corresponding norbornadiene (II) when cobalt phthalocyanine is added.
ChemInform Abstract: Syntheses of α,β‐Epoxy Silyl Ketones.
Authors: SCHELLER M. E. , SCHWEIZER W. B. , FREI B.
Published: May 2016

Using the reaction conditions shown in the scheme, the alcohols (I) and (IV) can be transformed to the desired title compounds (III) and (VI) with isolation of the crude intermediates (II) and (V), respectively.
ChemInform Abstract: The Synthesis of 1,3‐Dithiolan‐2‐ones on the Reaction of Oxiranes with Carbon Disulfide Under High Pressure.
Authors: TAGUCHI Y. , YASUMOTO M. , SHIBUYA I. , SUHARA Y.
Published: May 2016

In contrast to the known reaction of (Ia) with an excess of CS2 (yielding the major product (IVa) besides (Va) and (VIa)), use of equimolar amounts of CS2 results in the formation of the title compounds (III).
ChemInform Abstract: Formation and Reaction of Oxazoles. Synthesis of N‐Substituted 2‐(Aminomethyl)oxazoles.
Authors: IBATA T. , ISOGAMI Y.
Published: May 2016

Nucleophilic substitution reaction of the 2‐chloromethyloxazole (IIIa) with primary, secondary and tertiary amines leads to derivatives of type (V) (8 examples), (VII) (7 examples) and (IX) (3 examples).
ChemInform Abstract: Reactions of N‐Alkoxycyclimonium Compounds. Part 15. Reactions of Cyano‐Substituted N‐Methoxyquinolinium Compounds with Cyanide Ions, O‐ and N‐Nucleophiles.
Authors: MEHNERT J. , SCHNEKENBURGER J.
Published: May 2016

The 1‐(methoxy)cyanoquinolinium perchlorates (IV), prepared from the N‐oxides (I) via addition of methyl fluorosulfonate (II), are treated with various nucleophiles such as the alcohols (V), sodium hydroxide, potassium cyanide (VIII), or aniline (X).
ChemInform Abstract: Stable Pyridophenanthridinium Salts with Acyliminium Partial Structure. Part 2.
Authors: KROEGER E. +
Published: May 2016

The tetracyclic lactams (I) are hydroxylated and dehydrogenated upon treatment with DDQ to produce the hydroxypyridophenanthridinones (II).
ChemInform Abstract: 1,2,3‐Benzotriazinone 1‐Oxides.
Authors: BOULTON A. J. , DEVI P. , HENDERSON N. , JARRAR A. A. , KISS M.
Published: May 2016

Some substituted title compounds (II) are prepared but the parent compound itself, (III) is only obtained by hydrolysis of derivatives (IIb) or (IIc) (5 other routes are tried without success).
ChemInform Abstract: Synthesis and Properties of Coronands Incorporating Lariat Sulfide and Sulfoxide Groups.
Authors: RAGUSE B. , RIDLEY D. D.
Published: May 2016

A series of sulfoxide‐containing coronands such as (IV) or (VIII) as well as their sulfide‐containing precursors are prepared and their complexation with alkali metal and ammonium cations is studied.
ChemInform Abstract: New Methods for the Synthesis of Alkoxysilanes and Some of Their Properties.
Authors: KROLEVETS A. A. , ANTIPOVA V. V. , POPOV A. G. , ADAMOV A. V.
Published: May 2016

The chlorosilanes (I) or (VIII) are coupled with the alcohols (II) or (XI) in the presence of urea to give the alkoxysilanes (III), (IX), (X), or (XII).
ChemInform Abstract: A New Stereoselective Synthesis of E,Z‐Conjugated Hydroxydienes, Key Intermediates for the Synthesis of HETES.
Authors: BLOCH R. , GASPARINI G. , GIRARD C.
Published: May 2016

E,Z‐Hydroxydienes such as (VIII) are synthetic precursors of monohydroxyeicosatetraenoic acids (HETES).
ChemInform Abstract: A Novel, Double‐Asymmetric Aldol Approach to the Synthesis of a 1β‐Methyl Carbapenem Antibiotic Precursor.
Authors: SHIRAI F. , NAKAI T.
Published: May 2016

The siloxy ketene silyl acetal (I) undergoes aldol type reaction with the aldehyde (II) in the presence of titanium tetrachloride to produce selectively the adduct (III).
ChemInform Abstract: Reactions of Tri‐ and Tetracoordinate Phosphorus Cyanides with α,β‐Unsaturated Aldehydes and Ketones.
Authors: PUDOVIK A. N. , NAZMUTDINOVA V. N.
Published: May 2016

The α,β‐unsaturated carbonyl compounds (II) are phosphorylated with the cyanophosphite (I), the cyanophosphine sulfide (IV), or the cyanophosphate (VI) at the CO group to give the corresponding phosphites (III), the thiophosphinate (V), or the phosphate (VII).
ChemInform Abstract: Synthesis of O,O‐Dialkyl 1‐Aminoalkanephosphonate via N‐Phosphinylated Imines and Enamines.
Authors: KRZYZANOWSKA B. , PILICHOWSKA S.
Published: May 2016

The reaction of the oxime (I) with the phosphine (II) yields an O‐diphenylphosphinoxime which spontaneously undergoes free radical rearrangement to give the isolable enamine (III).
ChemInform Abstract: 5‐(Perfluoroalkyl)tetrazoles: η5 Ligands in Solution and μ‐2,3‐η2 Ligands in Solid Complexes.
Authors: JOHN E. O. , WILLETT R. D. , SCOTT B. , KIRCHMEIER R. L. , SHREEVE J. M.
Published: May 2016

Reactions of the sodium tetrazolates (III) with the Mn(I) complex (IV) give the η5‐π complexes (V) in solution.
ChemInform Abstract: N‐Substituted Metal Amides. Part 19. Reaction of (Co(NPh2)2)2 with CO ‐ A New Way for the Synthesis of a Chelate Complex of Cobalt(II) with a Derivative of Anthranilic Acid; Molecular Structure of (Co(NPh(o‐C6H4CONPh2))2).
Authors: FROEHLICH H.‐O. + , ROEMHILD W. + , SIELER J. , KAISER J.
Published: May 2016

The title reaction is studied at different conditions.
ChemInform Abstract: Carboxylic Acids in the Reduction of the CN Triple Bond of Benzonitriles with Ru3(CO)12.
Authors: BENZI P. , MICHELIN LAUSAROT P. , OPERTI L. , VAGLIO G. A. , VALLE M.
Published: May 2016

The formation of the complexes (III) and (V) is enhanced in the presence of carboxylic acids.
ChemInform Abstract: Reaction of the cis‐Diamminediaquaplatinum(II) Cation with N‐Acetylglycine.
Authors: APPLETON T. G. , HALL J. R. , PRENZLER P. D.
Published: May 2016

NMR spectroscopic studies show that the title reaction via monosubstitution and ring closure ultimately ‐ after deprotonation ‐ gives the isolated complex (III).
ChemInform Abstract: Electrophilic Cleavage of C‐F Bonds in Hydrido Trifluoromethyl Complexes of Platinum(II) by Proton Acids. Synthesis of Hydrido Carbene and Hydrido Carbonyl Derivatives and X‐Ray Structures of trans‐PtH(CF3)(PPh3)2 (180 K) and Cyclic trans‐(PtH(COCH2CH2O)(PPh3)2)BF4 (298 K).
Authors: MICHELIN R. A. , ROS R. , GUADALUPI G. , BOMBIERI G. , BENETOLLO F. , CHAPUIS G.
Published: May 2016

The crystal structure of the hydridoplatinum complex (Ia) ( P21/n, Z=4) is determined, the lengthening of the C‐F distance in comparison with fluorocarbon compounds is reflected in its reaction chemistry.
ChemInform Abstract: Concise Stereoselective Synthesis of (2S,4R)‐4‐Hydroxyproline from (S)‐O‐Benzylglycidol by a Novel Cyclization.
Authors: TAKANO S. , IWABUCHI Y. , OGASAWARA K.
Published: May 2016

(S)‐O‐Benzylglycidol (I) is converted into the unsaturated carboxamide (VIII) which undergoes iodine‐promoted cyclization, producing the pyrrolidine (IX).
ChemInform Abstract: New Juglomycins.
Authors: LESSMANN H. , KRUPA J. , LACKNER H. , JONES P. G.
Published: May 2016

A presumed precursor (I) of the juglomycins is isolated (space group P212121 with Z=4) which in solution (acetone‐d6) forms an equilibrium with hemi‐ketal (II).
ChemInform Abstract: Detection of Hydrogen in Air with a Detector Containing a Nafion Membrane Metallized on Both Sides.
Authors: OPEKAR F.
Published: May 2016

A novel detector for H2 in air is described with a Nafion membrane coated on both sides with chemically deposited Pt which is useful in cases when reference air is available or when low concentrations of H2 have to be detected, as the reference gas is then not required.
ChemInform Abstract: Single Crystal X‐Ray Diffraction Studies of Synthetic (Co,Mg)‐Olivine Solid Solutions.
Authors: BOSTROEM D. +
Published: May 2016

Seven (Co,Mg)SiO4 single crystals together with the Co2SiO4 end member, grown in a Li2MoO4 solutions at 900 °C, are investigated by XRD methods.
ChemInform Abstract: Electrical and Thermal Properties of NH4BrxCl1‐x Single Crystal.
Authors: EL‐KABBANY F. , TOSSON M. , TAHA S.
Published: May 2016

The title mixed system is studied in order to examine the effect of partial replacement of Cl‐ ion by Br‐ ions on the order‐disorder phase transition process.
ChemInform Abstract: Non‐Metal Redox Kinetics: Hypochlorite and Hypochlorous Acid Reactions with Sulfite.
Authors: FOGELMAN K. D. , WALKER D. M. , MARGERUM D. W.
Published: May 2016

The pseudo‐first order rate constants for the reactions of excess SO32‐ with HOCl and OCl‐ in the presence of the HCO3‐/CO32‐ buffer are measured by means of pulsed‐accelerated‐flow spectroscopy in the UV region.
ChemInform Abstract: Hydroxide‐Induced Reduction of Elemental Sulfur (S8) to the Trisulfur Anion Radical (S·‐ 3).
Authors: HOJO M. , SAWYER D. T.
Published: May 2016

In aprotic solvents OH‐ reacts with S8 to give S·‐ 3 as the major product.
ChemInform Abstract: Electrocatalytic Reduction of Nitrite and Nitric Oxide to Ammonia with Iron‐Substituted Polyoxotungstates.
Authors: TOTH J. E. , ANSON F. C.
Published: May 2016

Heteropolytungstates in which one of the positions normally occupied by a tungsten cation is occupied by an iron cation are shown to catalyze the multiple‐electron reductions of nitrite and nitric oxide to ammonia and other products without formation of hydroxylamine, (demonstrated for H2OFeIIIXW11On3‐9 with X: Si, Ge; n = 5 and X: As, P, n = 4), whereas the lacunary derivatives in which this tungsten site is unoccupied exhibit no catalytic activity.
ChemInform Abstract: Mutual Solid‐Solid Interaction Between CuO and Sodium Oxide‐Doped Alumina.
Authors: EL‐SHOBAKY G. A. , EL‐NABARAWY TH. , FAGAL G. A. , AMIN N. H.
Published: May 2016

Mixed solids containing 16.3 wt.% CuO and Al2O3 doped with 1.87‐7.49 wt.% Na2O, which are preheated in air at 500‐1000 °C for 8 h, are studied using DTA and XRD methods.
ChemInform Abstract: Photochemical Generation of Sn(III) in Hydrochloric Acid Solutions.
Authors: SHINOHARA N. , INOUE M.
Published: May 2016

After flash photolysis a deaerated HCl solution of SnCl2 shows a transient absorption maximum at 280 nm, which is attributed to the generation of Sn(III).
ChemInform Abstract: Host‐Guest Chemistry. Part 17. The Complexation of Estrogens and Tetralins in the Cavities of Azoniacyclophanes. A 1H and 13C NMR Spectroscopic Study.
Authors: KUMAR S. , SCHNEIDER H.‐J.
Published: May 2016

The equilibrium constant for the complexation of (I) by (IIIa) is doubled compared with the tetralol anion (II) although the cavity can encompass only the rings A and B of the estradiol.
ChemInform Abstract: Addition of Organocuprates to Acetylenic Di‐ and Trifluoromethyl Ketones. Regiospecific Synthesis of β,β‐Disubstituted Unsaturated Fluoro Ketones.
Authors: LINDERMAN R. J. , LONIKAR M. S.
Published: May 2016

Reaction of fluorinated acetylenic ketones such as (I) with organocuprates derived from alkyllithium compounds such as (II) and copper(I) salts produces mixtures of the α,β‐unsaturated ketones (III) and (IV).
ChemInform Abstract: A Convenient Stereoselective Synthesis of 1,2,3‐Aminodiols from α‐Amino Acids.
Authors: LULY J. R. , HSIAO C.‐N. , BAMAUNG N. , PLATTNER J. J.
Published: May 2016

One route for the synthesis of 1,2,3‐aminodiols such as (VII) starts with N‐protected vicinal amino alcohols such as (I) which is subjected to Swern oxidation and subsequent addition of trimethylsilyl cyanide (II) to yield the nitrile (III).
ChemInform Abstract: Arylation of Diethyl Alkylmalonates: Synthetic Route to Diethyl Alkyl(substituted Aryl)malonates with the Aid of Temporary Arene Complexation by the Cyclopentadienyliron Moiety.
Authors: PIORKO A. , ABD‐EL‐AZIZ A. S. , LEE C. C. , SUTHERLAND R. G.
Published: May 2016

The title malonates, e.g. (IV), are prepared via nucleophilic substitution of chlorine in the complexes (I) by an alkylmalonate residue.
ChemInform Abstract: Homochiral Fluoroorganic Compounds. Part 9. Homochiral Perfluoroalkyl Group‐Substituted Secondary Alcohols Through Stereoselective Reduction of Perfluoroalkyl 1‐(p‐Tolylsulfinyl)alkyl Ketones.
Authors: BRAVO P. , FRIGERIO M. , RESNATI G.
Published: May 2016

Reduction of the enantiomerically pure fluoroalkyl α‐(p‐tolylsulfinyl) ketones (I) gives a mixture of the diastereomeric alcohols (II) and (III).
ChemInform Abstract: The Synthesis of 5‐Substituted 2,3‐Dihydrobenzofurans.
Authors: ALABASTER R. J. , COTTRELL I. F. , MARLEY H. , WRIGHT S. H. B.
Published: May 2016

The title compounds (IV) are obtained from the 2‐(2‐bromophenoxy)ethyl chlorides (III) by reaction with magnesium.
ChemInform Abstract: Regioselectivity in the 1,3‐Dipolar Cycloaddition Reaction of 3‐Methyloxazolium 5‐Olates with Acetylenic Dipolarophiles.
Authors: CROCE P. D. , LA ROSA C.
Published: May 2016

Cycloaddition reaction of the dipolarophiles (II) with munchnones, generated from the N‐acyl‐α‐amino acids (I) by treatment with acetic anhydride, results in predominant or exclusive formation of the pyrroles (IIIa) ‐ (IIId).
ChemInform Abstract: Substituted Imidazo(2,1‐b)thiazoles from 2‐Aminothiazoles and α‐Bromo Ketones: Efficient Preparation and Proof of Structure.
Authors: MEAKINS G. D. , MUSK S. R. R. , ROBERTSON C. A. , WOODHOUSE L. S.
Published: May 2016

The regiochemistry of the known title reaction (e.g.
ChemInform Abstract: Synthesis and Anticonvulsant Properties of 2,3,3a,4‐Tetrahydro‐1H‐pyrrolo(1,2‐a)benzimidazol‐1‐ones.
Authors: CHIMIRRI A. , DE SARRO A. , DE SARRO G. , GRASSO S. , TRIMARCHI G. R. , ZAPPALA M.
Published: May 2016

Cyclocondensation of the 1,2‐phenylenediamines (I) with the 3‐acylpropionic acids (II) produces the title compounds (III) which are evaluated for their anticonvulsant activity.
ChemInform Abstract: Reaction of N‐Nitroaminotetrazolium Salts with Alkyl Halides.
Authors: MAYANTS A. G. , ERINA V. V. , GORDEICHUK S. S.
Published: May 2016

The reaction between the title compounds (I) and (II) is investigated.
ChemInform Abstract: Synthesis of the Cannabisativine Skeleton via an Intramolecular Allylsilane‐Nitrone Cycloaddition.
Authors: WUTS P. G. M. , JUNG Y.‐W.
Published: May 2016

Coupling of the oxime (I) with the trimethylsilylallylboronate (II) yields a mixture of the hydroxylamines (III) and (IV).
ChemInform Abstract: Unusual Reaction of Thiophene with O‐Silylated Acetoxime.
Authors: KROLEVETS A. A. , ADAMOV A. V. , POPOV A. G. , MARTYNOV I. V.
Published: May 2016

Thiophene (I) is coupled with the oxime ether (II) to give the thiazabicycloheptene (III).
ChemInform Abstract: Allenes. Part 50. Pyrimido(1,2‐a)pyrimidines and Pyrimido(1,6‐a)pyrimidines and Their Hydrolysis Products from Allenic Nitriles and Phenylpropynenitrile.
Authors: LANDOR S. R. , JOHNSON A. , FOMUM Z. T. , NKENGFACK A. E.
Published: May 2016

Reaction of the aminopyrimidines (I) or (VII) with the allenic nitriles (II) or (VIII) yields initially the title compounds (III) or (IX).
ChemInform Abstract: Macroheterocycles. Part 41. Cryptands with Two Propylene Groups in One of Their Bridges.
Authors: LUK'YANENKO N. G. , REDER A. S.
Published: May 2016

The dihydroxycryptands (I), which are mixtures of the D,L and meso diastereomers, are prepared by condensation of appropriately sized diazacrown ethers with diglycide ethers.
ChemInform Abstract: Reaction of P(III) Acid Ester Amides with α‐Halocarbonyl Compounds.
Authors: GAZIZOV T. KH. , SAL'KEEVA L. K. , RYZHIKOV D. V. , GAFUROV E. K.
Published: May 2016

The diamidophosphite (I) reacts with the halogenated aldehydes (II) to yield the vinyl diamidophosphates (III) and the diamidochlorophosphate (IV).
ChemInform Abstract: Diastereoselective Addition Reaction of Optically Active Alcohols and Amines to λ3‐Iminophosphines.
Authors: MARKOVSKII L. N. , ROMANENKO V. D. , RUBAN A. V. , DRAPAILO A. B. , MIKOLAICHIK M. , OMELYANCHUK YA. , PERLIKOVSKA V.
Published: May 2016

Addition reaction of the optically active alcohols and amines (II) to the iminophosphines (I) produces the aminophosphines (III) which are converted in situ into the amidothiophosphonates(phosphates) (IV).
ChemInform Abstract: Steric Structure of Phosphorus‐Containing Heterocycles. Part 46. Quantitative Description of the Conformation and Raman Spectra of a 3‐Phenyl‐2,4,3‐benzodithiaphosphepin‐3‐thione.
Authors: GNEVASHEV S. G. , ARSHINOVA R. P. , SHAKIROV I. KH. , SHAGIDULLIN R. R. , ARBUZOV B. A.
Published: May 2016

The title compound (III) is prepared by reaction of the bis(mercaptomethyl)benzene (I) with the thiophosphonic dichloride (II).
ChemInform Abstract: Reaction of Dialkyl Alkynylphosphonites with Pyruvic Acid Esters.
Authors: TRISHIN YU. G. , KONOVALOVA I. V. , BURANGULOVA R. N. , BURNAEVA L. A. , CHISTOKLETOV V. N. , PUDOVIK A. N.
Published: May 2016

The alkynylphosphonites (I) are coupled with the pyruvates (II) at room temperature to give mixtures of the alkynylphosphonates (III) and the λ5‐dioxaphospholanes (IV).
ChemInform Abstract: A Convenient Preparation of Tri‐n‐butyltin Hydride.
Authors: SZAMMER J. , OETVOES L. +
Published: May 2016

Reduction of bis(tri‐n‐butyltin) oxide (I) with sodium borohydride (II) in ethanol gives tri‐n‐butyltin hydride (III) and sodium metaborate (IV).
ChemInform Abstract: Preparation and Structure of the Compound Mo2(NCS)4(Ph2Ppy)2·2THF·2Toluene (Ph2Ppy: 2‐(diphenylphosphino)pyridine).
Authors: COTTON F. A. , MATUSZ M.
Published: May 2016

The title complex (I) is prepared by reaction of a solution containing dimeric Mo trifluoroacetate and Me3SiNCS with the organic ligand in toluene.
ChemInform Abstract: Iron(II) Complexes of ortho‐Functionalized para‐Naphthoquinones. Part 1. Synthesis, Characterization, Electronic Structure and Magnetic Properties.
Authors: GARGE P. , PADHYE S. , TUCHAGUES J.‐P.
Published: May 2016

The interaction of ferrous sulfate heptahydrate with different lawsone derivatives in MeOH/H2O (4:1) gives the high‐spin complexes (I) containing the bound quinone ligands in their fully oxidized form.
ChemInform Abstract: Synthesis of (Ag2(μ‐((CH(COOR))2PPh2))2) (R: Me, Et). The First Crystal Structure of a Dinuclear Silver Diylide Complex (R: Et). One‐Pot Synthesis of the Phosphonium Salts (Ph2P(CH2COOR)2)Cl (R: Me, Et).
Authors: VICENTE J. , CHICOTE M. T. , SAURA‐LLAMAS I. , JONES P. G.
Published: May 2016

The title complexes (V) are obtained according to the scheme.
ChemInform Abstract: Synthesis of Sulfimide Complexes of Palladium and Platinum. Crystal and Molecular Structure of cis‐Dichloro(S,S‐dimethyl‐N‐(2‐pyrimidinyl)‐sulfimide)(triphenylphosphine)palladium(II).
Authors: DAVIDSON J. L. , PRESTON P. N. , SPANKIE S. A. R. , DOUGLAS G. , MUIR K. W.
Published: May 2016

Reactions of the benzonitrile‐Pd(II) complex (I) with N‐heteroaromatic sulfimides such as (II) give the dimeric adducts (IIIa) and (IIIb).
ChemInform Abstract: Reactions of “Cyclen‐” and “Cyclam‐Phosphorane” with (Pt2Cl4(PEt3)2). Monodentate and Bidentate Complexes and the Crystal and Molecular Structure of (PtCl(PEt3)(cyclamPH))Cl·CH2Cl2.
Authors: BERRY D. E. , BROWNING J. , BUSHNELL G. W. , DIXON K. R. , PIDCOCK A.
Published: May 2016

The title reactions lead to the cationic Pt(II) complexes (I) and (II) which have quite different structures.
ChemInform Abstract: Dehydrohalogenation of 3β‐Chloro‐5α‐bromo‐5α‐stigmastan‐6β‐ol.
Authors: AKHREM A. A. , KHRIPACH V. A. , KASHKAN ZH. N. , KOVGANKO N. V.
Published: May 2016

The expected ring A aromatized product (II) and the unexpected Δ4 derivative (III) are produced on treatment of the title compound (I) with a base.
ChemInform Abstract: Preparation of D‐Penicillamine. Reaction of Penilloic Acid, Penicilloic Acid α‐Amides and Benzylpenicillin with N,N′‐Diphenylethylenediamine.
Authors: OGAWA T. , TOMISAWA K. , SOTA K.
Published: May 2016

Treatment of benzylpenilloic acid (I) with N,N'‐diphenylethylendiamine (II) results in ring‐cleavage, forming D‐penicillamine (IV).
ChemInform Abstract: Synthesis and Structure of a Fluorescent, Tricyclic Analogue of 2′‐Deoxyadenosine and of a Prodrug by N‐Anellation of 2′‐Deoxyguanosine and 9‐((2‐Hydroxyethoxy)methyl)guanine (Acyclovir), Respectively.
Authors: KUMAR S. , OAKES F. T. , WILSON S. R. , LEONARD N. J.
Published: May 2016

Base‐promoted cyclocondensation of methyl N‐cyanomethanimidate (I) with 2'‐deoxyguanosine (IIa) or Acyclovir (IIb) yields the dihydrooxotriazinopurines (III).
ChemInform Abstract: Chiral Synthesis of Bicyclomycin and Diastereomeric Stereoselectivity of the Key Aldol Condensation.
Authors: YAMAURA M. , NAKAYAMA T. , HASHIMOTO H. , SHIN C. , YOSHIMURA J. , KODAMA H.
Published: May 2016

Aldol condensation of the racemic oxadiazabicyclodecane (I) with the derivative (II) of (L)‐glyceraldehyde yields a mixture of the four isomeric products (IIIa), (IIIb), (IVa), and (IVb).
ChemInform Abstract: Preparation of Ternary Cu/Co/Al Catalysts by the Amorphous Citrate Process. Part 1. Decomposition of Solid Amorphous Precursors.
Authors: DI COSIMO J. I. , APESTEGUIA C. R.
Published: May 2016

The thermal decomposition of Cu/Co/Al‐catalysts of different compositions obtained by the complexation method using citric acid is investigated.
ChemInform Abstract: Synthesis and Crystal Structure of Cs2Mn(PO3)4.
Authors: KLINKERT B. , JANSEN M.
Published: May 2016

In contrast to previous results the title compound, obtained according to the scheme, crystallizes in the space group P21/n with Z=4.
ChemInform Abstract: Ruffling of Nickel(II) Octaethylporphyrin in Solution.
Authors: ALDEN R. G. , CRAWFORD B. A. , DOOLEN R. , ONDRIAS M. R. , SHELNUTT J. A.
Published: May 2016

New resonance Raman spectra of the title compound, which plays a central role in studies of the molecular properties of tetrapyrroles and tetrapyrrole‐containing enzymes, obtained in noncoordinating solvents at 295 K and at 77 K indicate the presence of multiple forms at room temperature.
ChemInform Abstract: Solution Studies of Complexes of the Types trans‐PtCl2L(1,4‐diazine) and trans‐LCl2Pt(μ‐1,4‐diazine)PtCl2L (L: Phosphine, C2H4). X‐Ray Structures of Pt2Cl4L2(ppz) (L: C2H4, PEt3; ppz: 2,5‐Dimethylpyrazine) and the Relative trans Influence of Alkene and Tertiary Phosphine Ligands.
Authors: ALBINATI A. , ISAIA F. , KAUFMANN W. , SORATO C. , VENANZI L. M.
Published: May 2016

Solution studies of the title complexes formed from Pt2Cl4L2 (L: PEt3, PMe2Ph, PMePh2, PBu3, CH2=CH2) and pyrazine, 2‐methylpyrazine, 2,3‐, 2,5‐ and 2,6‐dimethylpyrazine, 2,3,5‐trimethylpyrazine, 2,3,5,6‐tetramethylpyrazine, and phenazine are carried out.
ChemInform Abstract: Organotins as Etherification Catalysts. Part 2. Catalytic Conversion of Alcohols to Open‐Chain and Cyclic Ethers by Organotin Trichlorides.
Authors: TAGLIAVINI G. , MARTON D. , FURLANI D.
Published: May 2016

The dienol (I) and various diols such as (V) are converted into the open‐chain and cyclic ethers (II)‐(IV) and (VI), (VII).
ChemInform Abstract: Formation of Cyclobutanones by the Photolytic Reaction of (CO)5Cr=C(OMe)Me with Electron‐Rich Olefins.
Authors: SIERRA M. A. , HEGEDUS L. S.
Published: May 2016

The title reaction providing the cyclobutanones (III) is extended to an intramolecular version producing the heterocyclic compound (V).
ChemInform Abstract: syn‐anti Selectivity of cis‐3,4‐Disubstituted Cyclobutenes. Part 4. Oxygen‐Substituted Cyclobutenes. Experimental Frontier Orbital Energies.
Authors: HAKE H. , LANDEN H. , MARTIN H.‐D. , MAYER B. , STEIGEL A. , DISTEFANO G. , MODELLI A.
Published: May 2016

Cycloaddition reaction of the cyclobutenes (I) with the diazoalkanes (II) gives the stereoisomeric fused pyrazolines (III) and/or (IV).
ChemInform Abstract: Reactions of N‐Halo‐N‐methylbenzylamines with MeONa‐MeOH and tBuOK‐tBuOH. Effects of β‐Carbon Substituent and Base‐Solvent System Upon the Imine‐Forming Transition State.
Authors: BARTSCH R. A. , CHO B. R.
Published: May 2016

Elimination reactions of m‐ and p‐substituted title compounds such as (I) are studied kinetically.
ChemInform Abstract: Carbocyclic Ring Expansion Reactions via Radical Chain Processes.
Authors: BALDWIN J. E. , ADLINGTON R. M. , ROBERTSON J.
Published: May 2016

The free radical mediated ring expansion of readily accessible cis‐ and trans‐α‐alkylated β‐stannyl cyclohexenones such as (I) or (IV) provides efficient routes to cis‐ and trans‐cycloalkenones such as (II) or (V).
ChemInform Abstract: Enynones in Organic Synthesis. Part 1. Spiroannulation by Tandem Oxy‐Cope Rearrangement‐Electrocyclic Ring Closure.
Authors: JACOBI P. A. , ARMACOST L. M. , KRAVITZ J. I. , MARTINELLI M. J. , SELNICK H. G.
Published: May 2016

The dialkynylhydroxymethylcyclopentene (I) undergoes sigmatropic rearrangement upon heating to give the enynone (II).
ChemInform Abstract: (2,3)Sigmatropic Rearrangements of N‐Benzyl‐N‐methyl‐N‐(2‐alkenyl)ammonium N‐Methylides.
Authors: SUGIYAMA H. , SATO Y. , SHIRAI N.
Published: May 2016

Treatment of the ammonium bromides (III) with cesium fluoride yields a mixture of the Sommelet‐Hauser (V) and the allyl rearrangement products (VI).
ChemInform Abstract: Boron Trifluoride‐Catalyzed Rearrangement of 2‐Aryloxytetrahydropyrans: A New Entry to C‐Arylglycosidation.
Authors: KOMETANI T. , KONDO H. , FUJIMORI Y.
Published: May 2016

2‐Aryloxytetrahydropyrans and ‐furans (I) and (IV) rearrange on treatment with boron trifluoride etherate, yielding the 2‐aryl derivatives (II) and (V) as outlined in the reaction scheme.
ChemInform Abstract: Selectivity in Reactions Involving α‐Alkoxyallyltributyltins.
Authors: QUINTARD J.‐P. , DUMARTIN G. , ELISSONDO B. , RAHM A. , PEREYRE M.
Published: May 2016

The chemoselectivity of the reaction of α‐alkoxyallyltributyltins such as (II) with bromobenzenes such as (I) is readily controlled by the experimental conditions.
ChemInform Abstract: (4 + 2) Cycloadditions of Acetylenic Organotins: Synthetic Applications of Polyfunctional Cyclic Vinyltins.
Authors: JOUSSEAUME B. , VILLENEUVE P.
Published: May 2016

Cycloaddition of functional alkynyltins such as (II) to dienes such as (I) gives cyclohexadienes such as (III); similarly, the compounds (IV) as well as the compounds (V) (from asym.
ChemInform Abstract: Halonitromethylation of Benzene and Its Derivatives.
Authors: UVAROV B. I. , BREL' V. K. , MARTYNOV I. V. , ALEINIKOV N. N. , KASHTANOV S. A.
Published: May 2016

Benzene (IIa), toluene (IIb), and fluorobenzene (IIc) are coupled with chlorofluoronitroacetic acid (I) in the presence of xenon difluoride to give the chlorofluoronitromethylbenzenes (III) ‐ (V).
ChemInform Abstract: Synthesis of N‐Substituted Pyrroles from Azlactones via 1,3‐Oxazolium 5‐Oxides.
Authors: HERSHENSON F. M. , PAVIA M. R.
Published: May 2016

Alkylation of the azlactone (I) with the compounds (II) in the presence of 2,6‐di‐tert‐butylpyridine generates in situ 1,3‐dipole intermediates which are trapped by dimethyl acetylenedicarboxylate (III), producing the pyrroles (IV).
ChemInform Abstract: Synthesis of Oxindoles by Radical Cyclization.
Authors: BOWMAN W. R. , HEANEY H. , JORDAN B. M.
Published: May 2016

The N‐methyl(o‐iodo)acrylanilides (I), which are prepared from 2‐iodoaniline via acylation with acrylic chlorides, followed by N‐methylation, undergo radical induced ring closure, forming the indoles (II).
ChemInform Abstract: Synthesis of New Racemic Bicyclic γ‐ and δ‐Lactams Based on Two‐Fold Intramolecular Cyclization.
Authors: TAO E. V. , BRENNAN J. , SWARTZENDRUBER J. K. , DEETER J. B.
Published: May 2016

N‐Methylthiosemicarbazide (I) reacts with the keto acids (II) to form the thiosemicarbazones (III) which undergo intramolecular cyclization upon treatment with acetic anhydride (IV), producing the fused thiadiazoles (V).
ChemInform Abstract: A Cyanide‐Promoted Michael Reaction: The Use of an Aminonitrile as an Enamine Equivalent for the Michael Reaction.
Authors: MITCH C. H.
Published: May 2016

The tetrahydropyridine (I) is treated with methyl vinyl ketone (II) and potassium cyanide (IV) to produce a moderate yield of the nitrile (V).
ChemInform Abstract: Asymmetric Electrophilic α‐Amidoalkylation. Part 6. Syntheses of Tetrahydroisoquinolines of High Enantiomeric Purity.
Authors: WANNER K. T. , PRASCHAK I.
Published: May 2016

Hydride abstraction from the heterocyclic carboxamide (I), followed by coupling with the trimethylsilyl enol ethers (IV), yields a mixture of the diastereomers (V) and (VI).
ChemInform Abstract: Cycloaddition Reactions of N‐Alkoxycarbonyl‐4‐quinolones.
Authors: NICHOLSON J. R. , SINGH G. , MCCULLOUGH K. J. , WIGHTMAN R. H.
Published: May 2016

In connection with the search for anthracycline analogues which retain the cytotoxicity but possess negligible cardiotoxicity, structures modified in ring C to give non‐reducible analogues of anthracyclines are required.
ChemInform Abstract: Reactions of 1,2‐Thiazetidine 1,1‐Dioxides with Butyllithium.
Authors: MEYLE E. , SCHWENKKRAUS P. , ZSIGMONDY M. , OTTO H.‐H.
Published: May 2016

The β‐sultams (Ia), (Ib), and (Id) react with n‐butyllithium to give the dithiazine tetroxide (II).
ChemInform Abstract: Synthesis and Properties of the Selective Antimuscarinic Agent Silahexocyclium Methyl Sulfate.
Authors: TACKE R. , LINOH H. , RAFEINER K. , LAMBRECHT G. , MUTSCHLER E.
Published: May 2016

The chloromethylsilane (I) reacts with the Grignard reagent (II) to give the silane (III) which is transformed into the piperidazine (V).
ChemInform Abstract: Acetylenic Esters. Preparation and Characterization of Alkynyl Dialkyl Phosphates, RCCOPO(OR′)2.
Authors: STANG P. J. , KITAMURA T. , BOEHSHAR M. , WINGERT H.
Published: May 2016

The first preparation of the title compounds (V) (13 examples), is accomplished by reaction of iodosobenzene (I) with BF3·Et2O and the acetylenic silanes (II) followed by treatment with aqueous dialkylphosphates (III) via the intermediate iodonium phosphates (IV).
ChemInform Abstract: Reaction of N‐Chloro Ketimines with Derivatives of Trivalent Phosphorus.
Authors: MARKOVSKII L. N. , SHERMOLOVICH YU. G. , ABRAMOV V. YU. , TALANOV V. S. , STANINETS V. I.
Published: May 2016

The ketimines (Ia) ‐ (Id) are coupled with phosphorus trichloride (II) to give the phosphorimidic trichlorides (III) or the phosphoranes (IV) depending on the substituents.
ChemInform Abstract: Intramolecular Diels‐Alder Reaction of Selenoaldehydes.
Authors: SEGI M. , TAKAHASHI M. , NAKAJIMA T. , SUGA S. , MURAI S. , SONODA N.
Published: May 2016

The dienyl acetates (I) are coupled with the bromomagnesium acetals (II) in the presence of a Cu catalyst to give the dienals (IV) after deprotection.
ChemInform Abstract: Some Chemistry of Organotin Synthons Containing Two Organotin Moieties.
Authors: MITCHELL T. N. , KWETKAT K. , RUTSCHOW D. , SCHNEIDER U.
Published: May 2016

A series of reactions are described for the title compounds (I) and (VI), such as bromodemethylation (→ (III)), palladium‐catalyzed C‐C bond formation (→ (V); polymerization during work‐up, only NMR characterization), or lithiodestannylation (→ (VIII)).
ChemInform Abstract: Organotin Biocides. Part 14. Synthesis of New Organotin Heterocycles from Thermal Cyclization of Organotintetrazoles. Crystal Structure of 2,2‐Diphenyl‐1,7,8,9‐tetraaza‐2‐stannabicyclo(4.3.0)nona‐6,8‐diene.
Authors: MAHON M. F. , MOLLOY K. C. , WATERFIELD P. C.
Published: May 2016

Cyclocondensation of (3‐cyanopropyl)triphenylstannane (I) with tributylstannyl azide (II) at 140°C for 3 hours produces the tetrazole (III).
ChemInform Abstract: Synthesis and Characterization of (Catecholato)bis(β‐diketonato)vanadium(IV) Complexes.
Authors: HAWKINS C. J. , KABANOS T. A.
Published: May 2016

The redox behavior of the title complexes (III) is studied by cyclic voltammetry and polarography.
ChemInform Abstract: Highly Reduced Organometallics. Part 25. Reactions of Trisodium Tetracarbonylmetalates(3‐) of Manganese and Rhenium with Bronsted Acids and Other Electrophiles. Synthesis of H2M(CO)‐ 4 (M: Mn and Re), (CH3)2Re(CO)‐ 4, the First Dialkyl Derivative of a Carbonylmetalate Trianion, and Related Anionic Species.
Authors: WARNOCK G. F. P. , MOODIE L. C. , ELLIS J. E.
Published: May 2016

The first pure unsolvated title compounds (IV) are obtained by reduction with Na in HMPA in the presence of excess liquid NH3.
ChemInform Abstract: Gold‐Rhodium and Gold‐Iridium Hydride Clusters.
Authors: ALBINATI A. , DEMARTIN F. , JANSER P. , RHODES L. F. , VENANZI L. M.
Published: May 2016

The hydrides (I) as well as their arsine analogues react with ligand‐gold(I) fragments depending on the molar ratio to give heterometallic species of the types (III) (7 examples), (IV) (7 examples) and (V) (6 examples).
ChemInform Abstract: Synthesis and Coordinating Properties of 2‐Pyridyldimethylsilane.
Authors: ANG H. G. , KWIK W. L.
Published: May 2016

2‐Pyridyldimethylsilane (III), obtained by coupling of 2‐pyridylmagnesium bromide (I) with dimethylchlorosilane (II), reacts with rhenium pentacarbonyl (IV) to form the complex (V).
ChemInform Abstract: Allyl‐ and Benzylstannanes: New Reagents in Terpenic Synthesis.
Authors: ANDRIANOME M. , HAEBERLE K. + , DELMOND B.
Published: May 2016

The title stannanes, e.g. (II) and (VII), are used for the preparation of terpenoid ketones and alcohols such as (IV), (IX), (XII) and (XIII), respectively.
ChemInform Abstract: Ene‐Type Reaction of “Activated Sulfoxide” with Non‐Activated Olefin. Counter‐Ion Dependent (1,2)‐vs (3,2) Shift Dichotomy of Ylides Derived from Allylsulfonium Salts.
Authors: VESELOVSKII V. V. , DRAGAN V. A. , MOISEENKOV A. M.
Published: May 2016

Reaction of geranyl acetate (I) with dimethyl sulfoxide (II) and trifluoroacetic anhydride (III) yields the sulfonium trifluoroacetates (IVa) and (Va).