bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthesis of 2‐Piperazino Substituted 1,4‐Naphthoquinones.
Authors: BEREZHNAYA V. N. , SHISHKINA R. P. , FOKIN E. P. 
Published: May 2016

Abstract1,4‐Naphthoquinone (Ia) and its 2‐phenyl derivative (Ib), on reaction with piperazine (IIa) or its derivatives (IIb) and (IIc), afford the title compounds (III) in fair to good yields.
ChemInform Abstract: Asymmetric Syntheses via Heterocyclic Intermediates. Part 33. Asymmetric Synthesis of (Diastereomerically and Enantiomerically Virtually Pure) Methyl (2R,3S)‐threo‐2‐Amino‐3‐hydroxy‐4‐alkenoates by the Bislactim Ether Method.
Authors: SCHOELLKOPF U. + , BARDENHAGEN J. 
Published: May 2016

AbstractThe titanium derivative (III) of the bislactim ether (I) from cyclo(Val‐Gly) reacts with unsaturated aldehydes (IV) exclusively by 1,2‐addition in a highly diastereoselective mode to give the products (V).
ChemInform Abstract: Synthesis and Pharmacology of Some 2‐(3‐(4‐Aryl‐1‐piperazinyl)propyl)‐ 1H‐benz(de)isoquinoline‐1,3(2H)‐diones/2,5‐pyrrolidinediones.
Authors: KHADILKAR B. M. , SAMANT S. D. 
Published: May 2016

AbstractThe pyrrolidinediones (III) are prepared by treatment of succinic anhydride (I) with the appropriate amines (II).
ChemInform Abstract: Facile Synthesis of 2,3‐Dihydroimidazo Pyridines and Pyrimidines.
Authors: MUNAVALLI S. , HSU F.‐L. , POZIOMEK E. J. 
Published: May 2016

Abstract2‐Aminopyridine (I) reacts with diiodomethane (II) to give N,N'‐methyleno‐2,2'‐azapyridocyanine (III).
ChemInform Abstract: Isolation and X‐Ray Crystal Structure of the Boron Methylidenide Ion (Mes2BCH2)‐ (Mes: 2,4,6‐Me3C6H2): A Boron‐Carbon Double Bonded Alkene Analogue.
Authors: OLMSTEAD M. M. , POWER P. P. , WEESE K. J. , DOEDENS R. J. 
Published: May 2016

AbstractThe title anion can be crystallized when the crown ether is added to the THF solution of its Li salt, generated by in situ deprotonation of (I).
ChemInform Abstract: Chemistry of Boron. Part 183. Synthesis and Structure of Methyleneboranes: Amino(9‐fluorenylidene)boranes.
Authors: GLASER B. , HANECKER E. , NOETH H. + , WAGNER H. 
Published: May 2016

AbstractMetastable amino(9‐fluorenylidene)boranes can be obtained by dehydrohalogenation of corresponding aminohaloboranes with bulky amino groups as is shown for the examples (II), (Va) and (Vb).
ChemInform Abstract: Chemistry of Boron. Part 184. Pentacarbonylmetal Complexes of (tert‐Butylimino)(2,2,6,6‐tetramethylpiperidino)borane.
Authors: NOETH H. + , RATTAY W. , WIETELMANN U. 
Published: May 2016

AbstractPhotolysis of the aminoiminoborane (I) in the presence of the metal carbonyls (II) yields the title compounds (III).
ChemInform Abstract: Chemistry of Boron. Part 185. Reactions of Metal Carbene Complexes with (tert.‐Butylimino)(2,2,6,6‐tetramethylpiperidino)borane.
Authors: NOETH H. + , WIETELMANN U. 
Published: May 2016

AbstractReaction of the aminoiminoborane (I) with dimethyltitanocene (II) in hot toluene yields the deep‐blue compound (III) in excellent yield.
ChemInform Abstract: Hydrosilylation of Heterocyclic Aldehydes.
Authors: IOVEL' I. G. , GOL'DBERG YU. SH. , SHIMANSKAYA M. V. , LUKEVITS E. 
Published: May 2016

AbstractThe hydrosilylation of the heterocyclic aldehydes (III) and (VI) with triethylsilane (V) in the presence of various organometallic catalysts is investigated.
ChemInform Abstract: 4‐Hydroxy‐1,3λ3‐azaphospholes.
Authors: MAERKL G. + , DORFMEISTER G. 
Published: May 2016

AbstractThe mesoionic heterocycles (I) and (IV) react with tris(trimethylsilyl)phosphine (II) to give the azaphospholes (III) or the thiaphospholes (V).
ChemInform Abstract: 1,3λ3‐Azaphosphinines by Reaction of 3‐Azapyrylium Salts with Tris(trimethylsilyl)phosphane.
Authors: MAERKL G. + , DORFMEISTER G. 
Published: May 2016

AbstractThe 3‐azapyrylium tetrafluoroborates (I) react with tris(trimethylsilyl)phosphine (II) to produce the azaphosphinines (III).
ChemInform Abstract: Four‐ and Five‐Membered Phosphorus Heterocycles. Part 72. Selective Metallation at 5‐Position of 1‐Methyl‐1,2,4‐diazaphospholes.
Authors: KERSCHL S. , WRACKMEYER B. , WILLHALM A. , SCHMIDPETER A. 
Published: May 2016

AbstractThe compound (I) mentioned in the title reacts with butyllithium (II) to yield the 5‐lithio derivative (III) which can be converted into 5‐alkyl and 5‐stannyl derivatives (Va) and (Vb).
ChemInform Abstract: Synthesis and Characterization of Aryldihalo(dialkyl dithiophosphato)tellurium(IV) and Diarylbis(dialkyl dithiophosphato)tellurium(IV). Crystal Structures of p‐MeOC6H4TeBr2(S2P(OMe)2) and Ph2Te(S2P(OMe)2)2.
Authors: CHADHA R. K. , DRAKE J. E. , MCMANUS N. T. , QUINLAN B. A. , SARKAR A. B. 
Published: May 2016

AbstractThe title compounds (I) and (II) are synthesized from the ammonium and sodium salts of the O,O'‐dialkyldithiophosphoric acids and the appropriate aryltellurium trihalides or diaryltellurium dichlorides in CS2 and characterized by elemental analysis, 1H NMR, IR, and Raman spectroscopy.
ChemInform Abstract: Interactions of a Diarylmagnesium Compound with Cryptands and Crown Ethers: Formation of Ar3Mg‐, ArMg(cryptand)+, and Threaded Ar2Mg(crown ether).
Authors: RICHEY H. G. JUN. , KUSHLAN D. M. 
Published: May 2016

AbstractOn reaction of a 2:1 mixture of solid Mg(tol)2 (tol: p‐tolyl) and 221‐cryptand the 1H NMR spectrum indicates the presence of a complex (Mg(tol)(221‐cryptand))+ and (Mg(tol)3)‐, a type of ion not having been observed previously.
ChemInform Abstract: Diastereoselective Deoxymercuration in an Acyclic System. A Remarkable Assistance by the Neighboring Carbonate Group.
Authors: LILITKARNTAKUL S. , HIRAMA M. , ITO S. 
Published: May 2016

AbstractThe derivatives (I) of homoallylic alcohols are converted to the 1,3‐diols (II) by an oxymercuration/deoxymercuration sequence.
ChemInform Abstract: Oxalamide and Dithiooxalamide Metal Complexes. Part 5. Synthesis and Crystal Structure Determinations of Tetrabromo(N,N′‐di‐tert‐butyloxalamide‐OO′)tin(IV)‐tetrahydrofuran (1/1) and Tetrabromo(N,N′‐dimethylsuccinamide‐OO′)tin(IV)‐tetrahydrofuran (1/1).
Authors: CLAIRE P. P. K. , WILLEY G. R. , DREW M. G. B. 
Published: May 2016

AbstractThe title compounds (I) and (II) are obtained by the addition of SnBr4 to the amide ligands in CH2Cl2 and recrystallization from THF (no yield given for (II)).
ChemInform Abstract: Multiple Bonds Between Transition Metals and Main Group Elements. Part 37. “Naked” Lead in a Planar Environment.
Authors: KNEUPER H.‐J. , HERDTWECK E. , HERRMANN W. A. 
Published: May 2016

AbstractTreatment of the heterocumulene‐type MnPbMn precursor (I) with (II) yields a mixture from which the novel Mn3Pb complex (III) can be isolated.
ChemInform Abstract: α‐Metallated Vinyl Carbanionoids. Part 3. Reactions of α‐Triorganostannylvinyllithiums with Group IVB Organometallic Halides: Formation of α‐Trimethylplumbylvinyllithiums.
Authors: MITCHELL T. N. , REIMANN W. 
Published: May 2016

AbstractThe bisstannylalkenes (I) react with methyllithium and the organometallic chlorides (II) to give the substituted stannylalkenes (III).
ChemInform Abstract: In(III), Tl(III), and V(IV) Tris‐chelates of the Heterocyclic Dithiolene and Diselenolene Ligands 1,3‐Dithiole‐2‐thione‐4,5‐dithiolate (dmit), 1,2‐Dithiole‐3‐thione‐4,5‐dithiolate (dmt), and 1,3‐Diselenole‐2‐selone‐4,5‐diselenolate (dsis). Crystal and Molecular Structure of (Bu4N)2(V(dmt)3).
Authors: OLK R.‐M. , DIETZSCH W. , KIRMSE R. , STACH J. , HOYER E. , GOLIC L. 
Published: May 2016

AbstractThe title complexes (I)‐(III) are prepared starting with alkali salts of the ligands either isolated before or in situ solution obtained by saponification of the dibenzoyl compounds (using methanolic sodium (or potassium) methanolate) and MCl3 (M: In, V) or (TlCl4)‐ and isolated as their AsPh4‐ or NBu4‐ salts.
ChemInform Abstract: The Coordination of Small Molecules by Manganese(II) Phosphine Complexes. Part 13. The Synthesis and Characterization of Some Novel Manganese(II) Complexes of Tertiary Butylisocyanide, MnX2(CNtBu) (X: Cl, Br, I, NCS), and Their Reaction with Tri(n‐butyl)phosphine and Molecular Oxygen.
Authors: BENSON C. G. , MCAULIFFE C. A. , MACKIE A. G. , TANNER S. P. 
Published: May 2016

AbstractThe novel title complexes are prepared by a direct one‐process reaction of the corresponding manganese(II) salts with butylisocyanide under anhydrous conditions.
ChemInform Abstract: Conversion of an Electron‐Rich Triple Bond to a Double Bond by Oxidative Addition of Diphenyl Diselenide to Re2Cl4(μ‐dppm)2. Preparation and Characterization of Re2Cl4(μ‐SePh)2(μ‐dppm)2 (dppm: Bis(diphenylphosphino)methane).
Authors: COTTON F. A. , DUNBAR K. R. 
Published: May 2016

AbstractThe dirhenium(II) complex (I) with a σ2π4δ2δ*2 triple bond undergoes a reaction with the diselenide (II) to produce the air‐stable title complex (III).
ChemInform Abstract: Perhalogenated Tetraphenylhemins: Stable Catalysts of High Turnover Catalytic Hydroxylations.
Authors: TRAYLOR T. G. , TSUCHIYA S. 
Published: May 2016

AbstractThe known Zn complex (I) undergoes a simple bromination (NBS, CCl4, reflux) to give the Zn complex (71% yield) of its octabromo derivative.
ChemInform Abstract: Subsite‐Specific Functionalization of the (4 Fe‐4 S)2+ Analogue of Iron‐Sulfur Protein Clusters.
Authors: STACK T. D. P. , HOLM R. H. 
Published: May 2016

AbstractThe semi‐rigid tridentate ligand (IIIc) is prepared from the benzene (I) in three steps.
ChemInform Abstract: Chiral Metal Complexes. Part 25. Cobalt(III) Complexes of Some Linear Mesomeric Tetramine Ligands.
Authors: FENTON R. R. , VAGG R. S. , JONES P. , WILLIAMS P. A. 
Published: May 2016

AbstractThe complex (III) (as a mixture (1.0:0.3) with its Δ,β‐isomer) and its congeners (IV) and (V), as well as (VI) and (VII) are prepared from CoCl2 and the appropriate tetramine ligands.
ChemInform Abstract: An Open‐Mode Nickel Dimer Based on a Binucleating Hexaphosphine Ligand System. Solid‐State and Solution Conformations.
Authors: LANEMAN S. A. , STANLEY G. G. 
Published: May 2016

AbstractThe reaction of 2 equiv. of NiCl2·6 H2O with the known hexakis(tert. phosphine) ligand in EtOH yields the diamagnetic binuclear complex (Ia) quantitatively.
ChemInform Abstract: FTIR Matrix Isolation Studies of the Reactions of Atomic and Diatomic Nickel with Acetylene in Solid Argon. The Photosynthesis of Nickel Vinylidene.
Authors: KLINE E. S. , KAFAFI Z. H. , HAUGE R. H. , MARGRAVE J. L. 
Published: May 2016

AbstractThe reactions between atomic nickel and acetylene are investigated in argon matrices at 12 K with Fourier‐transform IR spectroscopy.
ChemInform Abstract: Models for Met‐Hemocyanin Derivatives: Structural and Spectroscopic Comparisons of Analogous Phenolate and X (X: OH‐, OMe‐, N‐ 3, Cl‐, OAc‐, OBz‐) Doubly Bridged Dinuclear Copper(II) Complexes.
Authors: KARLIN K. D. , FAROOQ A. , HAYES J. C. , COHEN B. I. , ROWE T. M. , SINN E. , ZUBIETA J. 
Published: May 2016

AbstractAddition of dioxygen to the known complex (I) containing three‐coordinate Cu(I) in CH2Cl2(DMF) or MeOH results in hydroxylation of the m‐xylyl dinucleating ligand, producing the phenolate‐bridged Cu(II) complexes (IIa) and/or (IIb).
ChemInform Abstract: Synthesis and Reactivity of Five‐Coordinate (Porphinato)(tertiary phosphine)ruthenium(II) Complexes.
Authors: SISHTA C. , CAMENZIND M. J. , JAMES B. R. , DOLPHIN D. 
Published: May 2016

AbstractThe complex (IIa), prepared from (Ia), on pyrolysis loses phosphine and forms (IIIa) quantitatively.
ChemInform Abstract: Synthesis, Reactivity, and Electrochemical Characterization of ((η5‐C5H5)Ru(η7‐C7H7))(PF6)2 and ((η5‐C5H5)Ru(η6‐C7H8))(PF6).
Authors: MCNAIR A. M. , BOYD D. C. , BOHLING D. A. , GILL T. P. , MANN K. R. 
Published: May 2016

AbstractThe title complex (I) is readily prepared from (Ru(C5H5)(MeCN)3)PF6 (A) and cycloheptatriene in MeCN and is similar in characteristics to the previously reported Fe analogue.
ChemInform Abstract: Polyaza Cavity‐Shaped Molecules. Part 8. Ruthenium(II) Complexes with 3,3′‐Annelated Derivatives of 2‐(2′‐Pyridyl)‐quinoline and 2‐(2′‐Pyridyl)‐1,8‐naphthyridine.
Authors: THUMMEL R. P. , DECLOITRE Y. 
Published: May 2016

AbstractThe title complexes (I) are prepared by reaction of cis‐RuCl2(bipy)2 (bipy: 2,2‐bipyridine) with the N,N‐coordinating ligands L in EtOH/water (1:1) under reflux (12‐20 h) and isolated as their PF6‐ salts.
ChemInform Abstract: Geometric Changes Occurring on Silver Chloride Binding by the Metallamacrocycle Rh2(CO)2Cl2(μ‐(Ph2PCH2)2AsPh)2.
Authors: BALCH A. L. , GHEDINI M. , ORAM D. E. , REEDY P. E. JUN. 
Published: May 2016

AbstractOne equiv. of solid AgCl dissolves in CH2Cl2 solution of the title metallamacrocycle (I) to yield the complex (III).
ChemInform Abstract: Reactions of a Coordinatively Unsaturated Rhodium Hydride Complex with Isocyanides. Preparation and Dynamic Behavior of (μ‐H)2(RNC)Rh2(P(O‐iPr)3)4 and (μ‐RNC)2Rh2(P(O‐iPr)3)4.
Authors: MCKENNA S. T. , MUETTERTIES E. L. 
Published: May 2016

AbstractThe reaction of the coordinatively unsaturated binuclear complex (I) with isocyanides gives unsymmetrical complexes with one trigonal‐bipyramidal and one square‐pyramidal Rh center.
ChemInform Abstract: Reactivity of Cyclopalladated Compounds. Part 14. Alkyne Insertion Into the Pd‐C Bond of a Metallacycle Stabilized by a Weak O → Pb Bond Leading to an Unusual (η2‐Aryl) → Pd Interaction. Molecular Structure of Bicyclic (NC9H6CH2C(CF3)=C(CF3))Pd(C(CF3)=C(CF3)(η2‐C10H6)OCH3).
Authors: OSSOR H. , PFEFFER M. , JASTRZEBSKI J. T. B. H. , STAM C. H. 
Published: May 2016

AbstractThe reaction of the compounds (I) with an excess of the butyne (II) leads to the organometallic compounds (III) via opening of the labile intramolecular O‐Pd bond and via insertion of the alkyne into the two Pd‐C bonds.
ChemInform Abstract: Synthesis, Structure Determination, and Electronic Structure Characterization of Two Mixed‐Valence Tetranuclear Platinum Blues with Bridging α‐Pyridonate or 1‐Methyluracilate Ligands.
Authors: O'HALLORAN T. V. , MASCHARAK P. K. , WILLIAMS I. D. , ROBERTS M. M. , LIPPARD S. J. 
Published: May 2016

AbstractA tetranuclear head‐to‐head Pt(II) complex analogue of (II) is oxidized by addition of nitric acid to give the cis‐diammineplatinum 1‐methyluracil blue (II).
ChemInform Abstract: Reactions of 5‐Hydroxy‐6‐oxosteroids. Part 7. New Reagent for the Westphalen‐Type Rearrangement of 5α‐Hydroxy‐6‐oxosteroids.
Authors: SZCZEPEK W. J. 
Published: May 2016

AbstractThe title rearrangement of the steroids (I) yields the products (II).
ChemInform Abstract: Total Synthesis of 12α‐ and 12β‐Carboxylated Estrogens via the Thermal Elimination of β‐Ketosulfoxide.
Authors: KUROSAWA T. , NIITSU U. , TOHMA M. 
Published: May 2016

AbstractAlkylation of the keto sulfoxide (I) with methyl bromoacetate (II) and subsequent elimination reaction produce the enone ester (IV) which is cyclized to form a mixture of the estrapentaenones (VII) after addition of 2‐methylcyclopentane‐1,3‐dione (V).
ChemInform Abstract: BF3‐Catalyzed Beckmann Rearrangement of Steroidal Unsaturated Ketoximes.
Authors: SHAFIULLAH SHAFIULLAH , ANSARI J. A. 
Published: May 2016

AbstractBeckmann rearrangement of the steroidal ketoximes (I) produces a mixture of the unsaturated lactams (II) and (III).
ChemInform Abstract: Chemistry of Opium Alkaloids. Part 24. Synthesis of 7,8‐Didehydro‐3,4‐dimethoxy‐17‐methylmorphinan‐6‐one and the Regioselective Reduction of the Keto Function.
Authors: VAN GURP R. A. , LIE T. S. , MENSE C. , MAAT L. 
Published: May 2016

AbstractThe title compound (IIIa), prepared from codeinone (I), is reduced to give the α‐alcohol (IIIb) as major product.
ChemInform Abstract: Improved Procedure for Conversion of Penicillin V Into Monocyclic β‐Lactams.
Authors: DAVIS M. , WU W.‐Y. 
Published: May 2016

AbstractThe so‐called Kamiya compound ‐ (3R,4R)‐4‐(benzothiazol‐2'‐yldithio)‐3‐phenoxyacetamidoazetidin‐2‐one (VI) ‐ is prepared by an improved procedure.
ChemInform Abstract: NQR Studies on Adducts of SbCl3 and SbCl5. 35Cl and 121,123Sb NQR Spectroscopic Studies of the Interaction Between SbCl3 or SbCl5 and the Phosphoryl or Thiophosphoryl Chlorides
Authors: KRAVCHENKO E. A. , BURTSEV M. YU. , MEISEL M. 
Published: May 2016

AbstractPOCl3, P2O3Cl4, and P2OS2Cl4 establish the formation of the adducts SbCl3·2 POCl3 and SbCl5·P2OS2Cl4.
ChemInform Abstract: Characterization of Cadmium Selenide Electrodeposited from Diethylene Glycol Solution Containing Tri‐n‐Butylphosphine Selenide
Authors: SANDERS B. W. , COCIVERA M. 
Published: May 2016

Abstractat 160 °C. The CdSe films obtained by the title method are less dense than those prepared using selenosulfite.
ChemInform Abstract: Electrochemical Characteristics of Fluorinated Activated Carbon Fibers‐Lithium Cells.
Authors: TOUHARA H. , KADONO K. , WATANABE N. , BRACONNIER J.‐J. 
Published: May 2016

AbstractActivated carbon fibers (ACF's), fluorinated at low temp. (20‐200 °C) under F2 pressures of 100‐760 torr, have been investigated as cathode materials for Li cells in 1 M LiClO4‐propylene carbonate solutions.
ChemInform Abstract: Electrocatalysis and Inductive Effects at the Gas, Pt/Stabilized Zirconia Interface.
Authors: SCHOULER E. J. L. , KLEITZ M. 
Published: May 2016

AbstractIt is shown that electrocatalyzed reactions at the gas, Pt/yttria‐stabilized zirconia (YSZ) electrode can occur at both the anode (O2 evolution reaction) and the cathode (H2O vapor reduction).
ChemInform Abstract: Oxide Catalysts. Part 44. Influence of Thermal Treatment on the Catalytic Behavior of Modified ZSM‐5 Zeolites.
Authors: WENDLANDT K.‐P. , RESCHETILOWSKI W. , UNGER B. , WEBER M. , BREMER H. 
Published: May 2016

AbstractIt is shown that catalytic activity, shape selectivity, and deactivation behavior of ZSM‐5 in paraffin cracking reactions can be influenced by thermal pretreatment.
ChemInform Abstract: Synthesis, Structure, and Reactivity of the Alkaline Earth Metal Hydrogen Sulfates of Mg, Ca, Sr, and Ba.
Authors: KEMNITZ E. , WORZALA H. , HASS D. , KAMMLER M. 
Published: May 2016

AbstractThe pure compounds M(HSO4)2 (M: Ba, Sr, Mg) are prepared using known procedures and shown to be real hydrogensulfates by X‐ray analysis.
ChemInform Abstract: Na5AlF2(PO4)2: Synthesis, Crystal Structure and Ionic Conductivity.
Authors: ARLT J. , JANSEN M. , KLASSEN H. , SCHIMMEL G. , HEYMER G. 
Published: May 2016

AbstractThe new title compound can be obtained by two independent procedures: 1. precipitation from an aqueous solution of Na2HPO4 and AlF3 (77.6% yield) and 2. solid state reaction of Na2HPO4·2 H2O, Na3PO4·12 H2O, AlF3·3 H2O, and Al(OH)3 at 1000 °C (100 °C steps with residence times of 30 min) and cooling during 24 h. Na5AlF2(PO4)2 crystallizes in the trigonal system, space group P3, Z=3.
ChemInform Abstract: Protonation of 1,4‐Bis(alkylamino)benzo(g)phthalazine. Crystal Structure of Di‐(1,4‐bis‐(3‐methoxypropylamino)‐3(2)H‐benzo(g)phthalazinium) Tetrachlorocobaltate Monohydrate.
Authors: CAMPAYO L. , NAVARRO P. , CANO F. H. , FOCES‐FOCES C. 
Published: May 2016

AbstractNucleophilic substitution of the dichlorobenzo(g)phthalazine (I) with 3‐methoxypropylamine (II) gives the hydrochloride (III) which may be transformed to the free base.
ChemInform Abstract: Structure and Dynamics of Crowns Containing the Phenyldinaphthylmethane Subunit (a Three‐Bladed Propeller): Observations of Correlated Rotation of the Propeller Blades and Certain Ether Segments.
Authors: LOCKHART J. C. , MCDONNELL M. B. , CLEGG W. , HILL M. N. S. 
Published: May 2016

AbstractFollowing a previously published method the crowns (I) are prepared from the respective benzylidene‐bis(2‐naphthol) in THF, NaH, and the appropriate α,ω‐bis(tosyloxy)‐polyoxaalkane in THF (20 h reflux; no yields given).
ChemInform Abstract: The Structure and Barrier to Inversion of Tetrasilabicyclo(1.1.0)butane. Comparison to Bicyclo(1.1.0)butane.
Authors: COLLINS S. , DUTLER R. , RAUK A. 
Published: May 2016

AbstractFull gradient optimization at the RHF level of theory using 6‐31G* basis set leads, after correction for correlation energy differences up to MP3 and inclusion of zero‐point vibrational energies, to a barrier to ring inversion of 75 kJ/mol for the tetrasila compound and of about 300 kJ/mol for bicyclo(1.1.0)butane.
ChemInform Abstract: Effect of H‐Donor and Temperature on the Stereoselectivity of Radical Reactions.
Authors: GIESE B. , GONZALEZ‐GOMEZ J. A. , LACHHEIN S. , METZGER J. O. 
Published: May 2016

AbstractUsing vinyl radical (II) formed by addition of cyclohexyl radicals to phenylacetylene as an example it is demonstrated that variation of the H‐donor as well as of the reaction temp. (‐20 to 260 °C) affects the (Z)/(E) relation of products (I) and (III), which may even be reversed.
ChemInform Abstract: The Effects of Single‐ and Twin‐Tailed Ionic Surfactants Upon Aromatic Nucleophilic Substitution.
Authors: CIPICIANI A. , GERMANI R. , SAVELLI G. , BUNTON C. A. , MHALA M. , MOFFATT J. R. 
Published: May 2016

AbstractReactions of OH‐ with 2,4‐dinitro‐1‐chloro‐benzene and ‐naphthalene are examined in solutions of didodecyldimethylammonium chloride and hydroxide.
ChemInform Abstract: Et3B‐Induced Radical Addition of R3SnH to Acetylenes and Its Application to Cyclization Reaction.
Authors: NOZAKI K. , OSHIMA K. , UTIMOTO K. 
Published: May 2016

AbstractThe trialkylborane mediated addition of stannanes such as (II) to acetylenes (I) or (V) yields the isomeric products (III) + (IV) or (VI) + (VII).
ChemInform Abstract: Photo‐CIDNP in the Vacuum‐UV: Di‐tert‐butyl Ether and 2,2,5,5‐Tetramethyltetrahydrofuran in Aqueous Solution.
Authors: HILDENBRAND K. , SCHUCHMANN H.‐P. , VON SONNTAG C. 
Published: May 2016

AbstractWhen irradiated with 193 nm (ArF excimer laser), non‐aqueous solutions (neat ether or in cyclo‐C6D12) as well as aqueous solutions of prim., sec., or mono‐tert. ethers show no polarized NMR signals.
ChemInform Abstract: Effect of Ring Size on the Basicity and Kinetic Behavior of 1,5‐Dimethylnaphtho(1,8‐bc)‐1,5‐diazacycloalkanes.
Authors: HIBBERT F. , SIMPSON G. R. 
Published: May 2016

AbstractThe basicities and rates of proton transfer for compounds (II) and (III) are determined and considered in comparison with the results obtained for (I).
ChemInform Abstract: Selective C‐C Bond Hydrogenation in Unsaturated Nitro Compounds in the Presence of the RhCl3‐Aliquat 336 Catalyst System.
Authors: AMER I. , BRAVDO T. , BLUM J. , VOLLHARDT K. P. C. 
Published: May 2016

AbstractThe m‐alkenylnitrobenzenes (I) and the nitroalkenylbenzene (IV) are hydrogenated in the presence of a RhCl3/phase transfer catalyst system, producing the compounds (III) or (V) as a result of hydrogenation in the side chain.
ChemInform Abstract: Novel Base‐Promoted Rearrangement of 2‐(4‐Cyano‐, 2‐Nitro‐, and 4‐Nitrobenzyloxy)tropones and 2‐(2‐Oxo‐2‐phenethyloxy)tropone to 2‐((4‐Cyano‐, 2‐Nitro‐, and 4‐Nitrophenyl)hydroxymethyl)tropones and 2‐(1‐Hydroxy‐2‐oxo‐2‐phenethyl)tropone.
Authors: TAKESHITA H. , MORI A. , SUIZU H. 
Published: May 2016

AbstractReaction of the tropolonate (I) with the benzylhalogenides (II) or (VI) affords the benzyloxytropones (III) as main products.
ChemInform Abstract: The Convergent (AB + CD) Route to 9‐Acetyl‐7,8,9,10‐tetrahydronaphthacenedione.
Authors: RAVICHANDRAN K. , GOSCINIAK D. J. , CAVA M. P. 
Published: May 2016

AbstractThe bis(bromomethyl)dihydrothiophene dioxide (I), derived from 2,3‐dimethyl‐1,3‐butadiene, reacts with methyl vinyl ketone (II), forming the thermally labile hexahydrobenzothiophene dioxide (III).
ChemInform Abstract: High‐Pressure‐Promoted (2 + 2) Cycloadditions of Imines with Electron‐ Rich Alkenes. A Simple Route to Azetidines and β‐Amino Carbonyl Compounds.
Authors: ABEN R. W. M. , SMIT R. , SCHEEREN J. W. 
Published: May 2016

AbstractThe imines (I) undergo (2 + 2)cycloaddition with the enamines (II) under high pressure to form the azetidinones (III), which are unstable at normal pressure in most cases.
ChemInform Abstract: Reactions of Electron‐Rich Heterocycles with Orthocarboxylic Acid Derivatives. Part 9. Proton‐Catalyzed Reactions of Physiologically Active 3‐Substituted Indoles with Triethyl Orthoformate.
Authors: PINDUR U. , MUELLER J. + 
Published: May 2016

AbstractThe 3‐aminoalkylindoles (I) react with excess orthoformate (II) in the presence of catalytic amounts of sulfuric acid, producing only moderate yields of the tris(indolyl)methanes (IV).