bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Investigation of the Properties of Cyclic Acetals Derived from Trichloroethanal.
Authors: KERIMOV A. KH. , BABAEV M. G. , MISHIEV D. E.
Published: May 2016

Trichloroethanal (II) reacts with the 1,2‐diols (I) in the presence of the catalytic system KU‐2(ion exchanger)‐H2SO4 to yield the 4‐substituted 2‐trichloromethyl‐1,3‐dioxolanes (III).
ChemInform Abstract: Fused Thiazoles from 3‐Aminothiazoline‐2‐thiones: Synthesis of Pyrazolo(5,1‐b)thiazole and Thiazolo(2,3‐b)‐1,3,4‐thiadiazine Derivatives.
Authors: MOLINA P. , ARQUES A. , DE LOS DESAMPARADOS VELASCO M. , VILLALGORDO J. M.
Published: May 2016

The thiazolinethione (I) is coupled with the phenacyl bromides (II) to form the thiazolothiadiazinium bromides (III) or the thiazolium bromides (V) which cyclize in the presence of a base, yielding the heterocycles (IV).
ChemInform Abstract: Research on Heterocyclic Compounds. Part 21. Synthesis of Imidazo‐(2,1‐b)benzothiazole and Imidazo(2,1‐b)thiazole Derivatives.
Authors: ABIGNENTE E. , DE CAPRARIIS P. , DE MARTINO G. , PATSCOT R.
Published: May 2016

The 2‐aminobenzothiazoles (I) are coupled with the ethyl bromoacetopropionate (II), yielding the compounds (III) ‐ (V).
ChemInform Abstract: Synthesis of Some Hydroxy and Methoxymethyl Derivatives of 1H‐Pyrazolo‐(5,1‐c)‐1,2,4‐triazoles.
Authors: GODDARD J. D.
Published: May 2016

The pyrazolotriazoles (I) and (III) react with hydrogen peroxide, trifluoroacetic acid, and boron trifluoride etherate to give the 7‐hydroxypyrazolotriazoles (II) and (IV).
ChemInform Abstract: Preparation of Tetrahydropyran Derivatives with α‐Electron‐Withdrawing Substituents from 1,5‐Dibromopentane Derivatives by Treatment with Silver Nitrate.
Authors: MITANI M. , TAKEUCHI H. , KOYAMA K.
Published: May 2016

The 1,5‐dibromopentanes (I) with electron withdrawing substituents are treated with silver nitrate to form the tetrahydropyranes (II).
ChemInform Abstract: Metal Reagents in Organic Reactions. Part 5. Reactions of Coumarins with Thallium(III) Salts.
Authors: BANERJI A. , NANDI G.
Published: May 2016

Reaction of coumarin (I) with thallium(III) nitrate trihydrate in dry methanol (II) gives 6‐nitro‐3‐methoxycoumarin (III).
ChemInform Abstract: Enantiomers of Configurationally Stable C‐Methylthalidomide.
Authors: BLASCHKE G. , GRAUTE W. F.
Published: May 2016

The enantiomers of the title compound (II) are prepared via chromatographic resolution of the isoindole derivative (I) followed by oxidation.
ChemInform Abstract: An Efficient Synthesis of 6‐Fluoronalidixic Acid and Its Conversion to Enoxacin.
Authors: SANCHEZ J. P. , ROGOWSKI J. W.
Published: May 2016

Balz‐Schiemann reaction of the aminopyridine (Ia) yields the fluoro derivative (Ib).
ChemInform Abstract: Synthesis of Substituted 1,2,3,4‐Tetrahydro‐6‐methyl‐2‐thioxo‐5‐pyrimidinecarboxylic Acid Esters.
Authors: ATWAL K. S. , O'REILLY B. C. , GOUGOUTAS J. Z. , MALLEY M. F.
Published: May 2016

The hydrochloride of 2‐(4‐methoxybenzyl)‐2‐isothiourea (III) undergoes ring closure with the unsaturated keto esters (IV) to give the dihydropyrimidines (V) which are deprotected by treatment with trifluoroacetic acid and ethanethiol to form the tetrahydrothioxopyrimidines (VI).
ChemInform Abstract: Nitriles in Organic Synthesis: A Novel Synthesis of Benzo(h)pyrimidino‐(1,2‐c)pyridazinone and Hydrazonobut‐2‐enonitrile Derivatives.
Authors: ABDEL AZIZ HAFEZ E. , EL‐SHAHAT KANDEEL Z. , ELNAGDI M. H.
Published: May 2016

Diazotized anthranilic acid (II) is coupled with 1‐phenylethylidenemalononitrile (I) to give the hydrazones (III) or the disubstituted products (IV).
ChemInform Abstract: Synthesis of 10‐Propargylfolic Acid from 2‐Amino‐6‐(bromomethyl)‐4‐ (1H)‐pteridinone.
Authors: PIPER J. R. , MCCALEB G. S. , MONTGOMERY J. A.
Published: May 2016

6‐Bromomethyl‐2,4‐pteridinediamine hydrobromide (I) is converted to the pteridinone (II) by treatment with conc.
ChemInform Abstract: Nonaqueous Diazotization of 4‐Amino‐3‐arylisothiazole‐5‐carboxylate Esters.
Authors: BECK J. R. , GAJEWSKI R. P.
Published: May 2016

The isothiazoles (III), prepared from the α‐cyanooxime tosylates (I) and the thioglycolate (II), undergo diazotization in nonaqueous media to give the deamino (IV) or the halo derivatives (V).
ChemInform Abstract: Reactivity of Aryl‐ and Heteroarylmalonates Against ortho‐Dinucleophiles. Triaryl(heteroaryl)methane Synthesis.
Authors: RAMOS T. , AVENDANO C. , ELGUERO J.
Published: May 2016

The arylmalonates (I) are coupled with o‐aminobenzenethiol (IIa) to produce the benzothiazole derivatives (III) and/or (IV).
ChemInform Abstract: Synthesis of 3‐(6,11‐Dihydrodibenzo(b,e)thiepin‐11‐ylidene)propanoic Acid and Related Compounds.
Authors: POLIVKA Z. , LICHA I. , TAUFMANN P. , SVATEK E. , HOLUBEK J. , PROTIVA M.
Published: May 2016

Starting from dibenzo(b,e)thiepin‐11(6H)‐one (Ia) and its methyl analogue (Ib) the title compound (VIIa) and its methyl analogue (VIIb), as well as their derivatives (VIII) and (IX) are prepared as shown.
ChemInform Abstract: Dibenzocyclooctene‐, Dibenzochalcocine‐, and Diarenochalconinediones.
Authors: HELLWINKEL D. , BOHNET S.
Published: May 2016

The heterocycles (II) or (III) are prepared in good yields by treatment of the ethers, sulfides, or a selenide (I) with NaH in boiling toluene.
ChemInform Abstract: New Macrocyclic Compounds Containing Thiocarbohydrazone Groups.
Authors: POPOVA V. A. , PODGORNAYA I. V. , FEDOROVA O. V.
Published: May 2016

The bisaldehydes (I) react with thiocarbohydrazide (II) to give the macrocycles (III).
ChemInform Abstract: Boronium and Borenium Salts and Neutral Adducts from (Pentamethylcyclopentadienyl)boron Halides and Nitrogen Bases.
Authors: JUTZI P. , KRATO B. , HURSTHOUSE M. , HOWES A. J.
Published: May 2016

From the dichloro(η1‐cyclopentadienyl)borane (I) and N donors structurally different Lewis acid/base adducts arise.
ChemInform Abstract: (2‐Cyanoallyl)trimethylsilane and (2‐Cyanoethyl)trimethylsilane. Unique σπ Captodative Systems.
Authors: SAKURAI H. , KYUSHIN S. , NAKADAIRA Y.
Published: May 2016

Reaction of azobisisobutyronitrile (II) with 2‐(trimethylsilylmethyl)acrylonitrile (I) yields the intermediate radical (III) which is converted to the products (IV) ‐ (VII).
ChemInform Abstract: Sila‐Pharmaca. Part 37. Preparation and Properties of the Enantiomers of the Antimuscarinic Agents Sila‐Procyclidine and Sila‐Tricyclamol Iodide: Optically Active Silanols with Silicon as the Centre of Chirality.
Authors: TACKE R. , LINOH H. , ERNST L. , MOSER U. , MUTSCHLER E. , SARGE S. , CAMMENGA H. K. , LAMBRECHT G.
Published: May 2016

The known racemic sila‐procyclidine (I) is resolved using L‐(+)‐(II) or D‐(‐)‐(V) tartaric acid to provide the respective (R)‐ and (S)‐enantiomers with > 97% e.e.
ChemInform Abstract: Organic Phosphor Compounds. Part 79. Synthesis and Properties of α‐Amino‐ω‐carboxyalkylphosphonic and ‐phosphinic Acids.
Authors: DIEL P. J. , MAIER L.
Published: May 2016

The phosphonic or phosphinic acids (V) and (X) are prepared by two different methods.
ChemInform Abstract: Photochemistry of Pesticides. Part 7. Regioselective Photodimerization of O,O‐Diethyl‐O‐(3‐chloro‐4‐methylcoumarin‐7‐yl)‐thiophosphate (Coumaphos).
Authors: ABDOU W. M. , BORN L. , HULPKE H. , MAHRAN M. R. , SIDKY M. M. , WAMHOFF H.
Published: May 2016

On irradiation of the thiophosphate (I) mentioned in the title, an anti‐head‐to‐tail photodimerization takes place, yielding the product (II).
ChemInform Abstract: o‐Carbamoylphenylphosphine Oxides.
Authors: CHAUZOV A. V. , STUDNEV YU. N. , LYASHKO R. A. , FOKIN A. V.
Published: May 2016

Treatment of the spirocyclic phosphorane (I) with the primary amines (IIa) ‐ (IIc) gives the dicarbamoyl compounds (IVa) ‐ (IVc) via the monoamides (IIIa) ‐ (IIIc).
ChemInform Abstract: Synthesis and NMR Spectroscopic Investigation of Phenylphosphoryl Derivatives.
Authors: DUDDECK H. , LECHT R.
Published: May 2016

The substituted phenylphosphoryl derivatives (I), (V), (VIII), and (X) are prepared by reaction of the phosphoryl halides (III), (VI), or (VIIIa) with the alcohols (II) or (VII) or the amines (IV) and (IX).
ChemInform Abstract: Phosphonium Ylids. Part 7. Synthesis of a New Type of Ylide Phosphoranes by the Action of Wittig Reagents on E‐2‐Benzylideneoxazolidine‐4,5‐ dione.
Authors: SIDKY M. M. , MAHRAN M. R. , EL‐KATEB A. A. , HENNAWY I. T. , ABD EL‐MALEK H. A.
Published: May 2016

The oxazolidinedione (I) reacts with the phosphorane ylides (II) under ring opening to give the ylides (III).
ChemInform Abstract: Synthesis and Anticholinesterase Activity of O‐Alkyl‐O‐2‐(piperidin‐1‐ yl)ethyl Alkanethiophosphonates.
Authors: GAFUROV M. B. , ABDUVAKHABOV A. A. , VAIZBURG G. M. , DALIMOV D. N. , ZUPAROVA K. M. , BALASHOVA E. K. , GODOVIKOV N. N.
Published: May 2016

The title compounds (III) are prepared from the thiophosphonic chlorides (I) and the hydroxyethylpiperidine (II).
ChemInform Abstract: Synthesis and X‐Ray Structure of cis‐1,3‐Di‐tert‐butyl‐2,4‐bis(pentafluorophenoxy)‐1,3,2,4‐diazadiphosphetidine.
Authors: KAMIL W. A. , BOND M. R. , SHREEVE J. M.
Published: May 2016

(I), when allowed to react with the Li salt (II), yields a mixture of diastereomers (yield 70%) with the major isomer (III).
ChemInform Abstract: Two Triazole Derivatives of 2,2,3,4,4‐Pentamethylphosphetan 1‐Oxide with Anomalous 1H‐NMR Chemical Shifts.
Authors: EMSLEY J. , WILLIAMS J. K.
Published: May 2016

The oxophosphetan chloride (I) reacts with the triazoles (II) to form the substituted triazoles (III).
ChemInform Abstract: Syntheses and Spectral Characterization of the Metabolites of a New Organo‐Selenium Drug: Ebselen.
Authors: LAMBERT C. , CANTINEAU R. , CHRISTIAENS L. , BIEDERMANN J. , DEREU N.
Published: May 2016

The title drug (I) exhibits antiinflammatory activity.
ChemInform Abstract: Application of ((nBu2)Mg)n·AlEt3, a Hydrocarbon‐Soluble Magnesium‐Aluminum Complex for the Metallation of CH‐Acids.
Authors: GAVRILENKO V. V. , CHERKULAEVA L. A. , ZAKHARKIN L. I.
Published: May 2016

The heptane‐soluble Mg‐Al complex (II), previously synthesized, is used for metallation of the CH‐acids (I), forming the organo‐magnesium compounds (III).
ChemInform Abstract: Enhanced Hydrolysis of Neutral Phosphate Esters by the Zinc(II) Complex of 1,4,7,10‐Tetraazacyclododecane.
Authors: NORMAN P. R.
Published: May 2016

The catalytic effect of the Zn complex of (I) on the hydrolysis of the esters (III) is expressed as the second order rate constant for the hydrolysis of (III) by the Zn complex: 16.0/M.min.
ChemInform Abstract: Reactions of Chloroaluminum Acetylacetonate with Lewis Bases. Part 1. Ionic Complex of Cl2Alacac with Tetrahydrofurane.
Authors: LEWINSKI J. , PASYNKIEWICZ S.
Published: May 2016

The structure of the ionic complexes (V) and (VI) (no yield given) has been investigated by variable 1H as well as by 13C and 27Al NMR spectroscopy.
ChemInform Abstract: Crystal Structure of NdCl3·4 THF and Its Catalytic Activity in Polymerization of Diene.
Authors: CHEN W. , JIN Z. , XING Y. , FAN Y. , YANG G.
Published: May 2016

The air‐sensitive complex (I) (space group P21/c, Z=4) forms with Al‐alkyls highly effective catalysts for the polymerization of dienes such as (III).
ChemInform Abstract: Unsaturated Silicon and Germanium Compounds. Part 21. Silicon Compounds and Their Group Homologues. Part 73. Preparation of Silan‐ and Germanimines Me2E=NR (E: Si, Ge) from Sila‐ and Germadihydrotriazoles.
Authors: WIBERG N. , KARAMPATSES P. , KIM C.‐K.
Published: May 2016

The sila‐ or germaethenes (II) (generated by reaction of BuLi with the compounds (I)) react with corresponding azidoalkanes or silanes (III) to give the sila‐ or germatriazoles (IV).
ChemInform Abstract: Synthesis of Carbofunctional Organogermanes Containing Adamantylamine or Adamantylamide Groups.
Authors: GAR T. K. , CHERNYSHEVA O. N. , KISIN A. V. , MIRONOV V. F.
Published: May 2016

The adamantylamines (I) react with the germyl‐substituted carboxylic chlorides (II) to give the adamantylamides (III).
ChemInform Abstract: Bis(indenyl)vanadium(II): Its Oxidation and Carbonylation of Its Cation.
Authors: BOCARSLY J. R. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

The oxidation of the title sandwich complex (III), prepared as shown, with iodine yields the paramagnetic V(III) derivative (IV).
ChemInform Abstract: Metallotropic Rearrangements in Biphenylchromium Tricarbonyl Complexes.
Authors: OPRUNENKO YU. F. , SHAPOSHNIKOVA I. A. , USTYNYUK YU. A. , USTYNYUK N. A. , KRAVTSOV D. N.
Published: May 2016

(OPRUNENKO, YU.
ChemInform Abstract: Syntheses and Reactions of WH(CO)2(NO)(P(C6H5)3)2 and Related Tungsten Nitrosyl Complexes.
Authors: HILLHOUSE G. L. , HAYMORE B. L.
Published: May 2016

The tetracarbonyl‐W complex (I) (cis or trans) reacts with NOPF6 (II) to give the cationic cis,mer‐nitrosyl complex (IIIa); the salts (IIIb,c) are prepared in a similar way using NOBF4 or tBuONO/HClO4.
ChemInform Abstract: Nitrosyl Rhenium Complexes: Syntheses, Properties, and Structures of Acetylacetonato Derivatives.
Authors: MITRA T. , SEN S. , SEN B. K. , BANDYOPADHYAY P.
Published: May 2016

Reactions of the nitrosyl‐Re complexes (I) and (IV) with acetylacetone Hacac lead to the complexes (III), (V) and (VI) which contain monocoordinating acetylacetonate.
ChemInform Abstract: Friedel‐Crafts Acetylations of Alkyl and Phenylphosphaferrocenes.
Authors: ROBERTS R. M. G. , WELLS A. S.
Published: May 2016

The title reactions, carried out on (I) and (IV), show that methyl groups exert similar directive properties as found with ferrocene systems.
ChemInform Abstract: Transition‐Metal Silyl Complexes. Part 20. Reactivity of the Anionic Silyl Complexes (Fe(CO)3(PR3′)SiR3)‐.
Authors: SCHUBERT U. , KUNZ E. , KNORR M. , MUELLER J. +
Published: May 2016

The phosphane‐substituted anionic silyl complexes (II) prepared from (I) are distinctly more reactive than their tetracarbonyl analogues, particularly towards metal or metal‐complex halides.
ChemInform Abstract: Activation of the C‐H Bonds in Tetrahydrofuran.
Authors: NEKHAEV A. I. , KOLOBKOV B. I. , ALEKSANDROV G. G. , TASHEV M. T. , DUSTOV KH. B.
Published: May 2016

The dithiotetrahydrofurylene complex (III) and the iron carbonyl sulfides (IV) are obtained from tetrahydrofuran (I) and the iron carbonyl (II) in the presence of sulfur.
ChemInform Abstract: The Carbonylation of RuCl3·3 H2O in Ethanol: An IR Spectroscopic Study.
Authors: TANNENBAUM R.
Published: May 2016

The change of the IR spectrum of the freshly prepared dimeric complex (VI) in ethanol indicates its dissociation.
ChemInform Abstract: Formation and Reactivity of Palladium(II) Sulfito Complexes in Aqueous Solution. Part 1. Spectroscopic Evidence for the Labilization of a Chelated Amine.
Authors: MAHAL G. , VAN ELDIK R.
Published: May 2016

The reactions of (I) and (III) with bisulfite or sulfite are studied as a function of pH and sulfite concentration with use of IR, UV/VIS and 1H and 13C NMR spectroscopy.
ChemInform Abstract: Coordination Chemistry of Higher Oxidation States. Part 24. Palladium(IV) and Nickel(III) Complexes of Hybrid Thio‐ and Seleno‐ether Ligands.
Authors: HARBRON S. K. , HIGGINS S. J. , HOPE E. G. , KEMMITT T. , LEVASON W.
Published: May 2016

The complexes (IIIa) and (VIIa) are obtained as shown.
ChemInform Abstract: Osmium Azo Oxime Chemistry. Facial Tris Chelate and Trinuclear OsMOs Species.
Authors: GHOSH B. K. , MUKHERJEE R. , CHAKRAVORTY A.
Published: May 2016

The fac‐complexes (III) can be converted to the corresponding tetraphenylarsonium salts which contain the As covalently bonded to one of the oximato O atoms in CHCl3 solution.
ChemInform Abstract: Binuclear Platinum(II) Photochemistry. Reactions of Organometallic Hydrides with Electronically Excited Tetrakis(pyrophosphito)diplatinate(II).
Authors: VLCEK A. JUN. , GRAY H. B.
Published: May 2016

The dσ*pσ triplet excited state of Pt2(P2O5H2)44‐ (Pt2) abstracts a hydrogen atom from R3EH (E: Sn, Ge, Si; R: alkyl, phenyl) in acetonitrile solution.
ChemInform Abstract: The Synthesis of 1,3‐ and 1,4‐Phenylene‐linked Bisquinone‐Substituted Porphyrin Dimers.
Authors: SESSLER J. L. , JOHNSON M. R.
Published: May 2016

Acid‐catalyzed condensation of the aldehyde (I) and the pyrrole (II) followed by decarboxylation and Vilsmeier formylation gives the dipyrrolic intermediate (III).
ChemInform Abstract: A Heterocyclic Analog of Leucine‐Enkephalin.
Authors: CARR A. A. , DUDLEY M. W. , HUBER E. W. , KANE J. M. , MILLER F. P.
Published: May 2016

1,2‐Diamino‐2‐methylpropane (I) reacts with methyl phenylglyoxalate (II) to produce the piperazinone (III) which is converted to the amide (Vb) and the acid (Vc) via the ester (Va).
ChemInform Abstract: Ag7 Cluster: Pentagonal Bipyramid.
Authors: BACH S. B. H. , GARLAND D. A. , VAN ZEE R. J. , WELTNER W. JUN.
Published: May 2016

The silver cluster formed in a solid neon matrix at 4 K is shown to be composed of seven silver atoms by its X‐band ESR spectrum.
ChemInform Abstract: Formation of AlVO4 Solid Solution from Alkoxides.
Authors: YAMAGUCHI O. , UEGAKI T. , MIYATA Y. , SHIMIZU K.
Published: May 2016

Solid solutions of AlVO4 crystallize at lower temp. than amorphous materials containing 50‐70 mol% Al2O3 prepared by simultaneous hydrolysis of Al‐ and VO‐alkoxides.
ChemInform Abstract: Effect of Oxygen Contamination on Densification of TiB2.
Authors: BAIK S. , BECHER P. F.
Published: May 2016

The densification and grain growth behavior during pressureless sintering (1700‐2050 °C) have been examined as a function of oxygen content of the TiB2 powder and the results are compared with those obtained during hot‐pressing (1400‐1700 °C).
ChemInform Abstract: Structural Changes in Stressed As2S3 Glass Fibers Determined by Raman Spectroscopy.
Authors: KNIGHT D. S. , MECHOLSKY J. J. , WHITE W. B.
Published: May 2016

Raman spectra have been recorded transverse to As2S3 glass fibers which have been stressed to various levels up to their breaking strength of 200 MPa.
ChemInform Abstract: V2O3‐Polymer Composite Thermistors.
Authors: HU K. A. , MOFFATT D. , RUNT J. , SAFARI A. , NEWNHAM R.
Published: May 2016

Composites prepared by incorporation of V2O3 into crystalline and amorphous polymers are found to exhibit large positive temp. coefficient (PTC) and negative temp. coefficient (NTC) of resistance effects over a wide range of filler volume fractions.
ChemInform Abstract: Photoelectrochemistry with the Rotating Optical Disk Ring Electrode. Part 3. Thermal and Photoinduced Electron Transfer in Colloidal n‐TiO2.
Authors: RIEFKOHL J. , RODRIGUEZ L. , ROMERO L. , SAMPOLL G. , SOUTO F. A.
Published: May 2016

The rotating optical disk ring electrode (RODRE) has been successfully applied to study interfacial charge transfer phenomena in colloidal TiO2 particles.
ChemInform Abstract: Product Analysis of Lithium/Sulfur Dioxide Cells Discharged and Stored at High Temperature.
Authors: GODIN J. R. P. , FARRINGTON M. D. , HAYES C. A. , GARDNER C. L. , ADAMS W. A.
Published: May 2016

Chemical analysis of the discharge products of Li/SO2 cells discharged in the temp. range ‐20 to +90 °C indicates that Li2S2O4 is the major product recovered in the cathode extracts of cells discharged at ‐20 to +50 °C. A change in the product distribution to increased levels of S2O32‐ and correspondingly decreased levels of dithionite is observed at higher discharge temp., and maybe attributed to the thermal decomposition of Li2S2O4.
ChemInform Abstract: Characterization of Oxygen in WC Catalysts and Its Role in Electrocatalytic Activity for Methanol Oxidation.
Authors: OKAMOTO H. , KAWAMURA G. , ISHIKAWA A. , KUDO T.
Published: May 2016

It is shown that oxygen present in the WC lattice can be differentiated from oxygen in tungsten oxides by measuring the temp. of the peak of H2O evolution in temp.‐programmed reaction (carrier gas: H2).
ChemInform Abstract: Application of Ion Implantation to the Study of Electrocatalysis. Part 1. Chlorine Evolution at Ru‐Implanted Titanium Electrodes.
Authors: KELLY E. J. , HEATHERLY D. E. , VALLET C. E. , WHITE C. W.
Published: May 2016

Ru‐implanted titanium near‐surface alloys have been anodically oxidized to form electrocatalytically active RuxTi1‐xO2/Ti electrodes.
ChemInform Abstract: Electrocatalytic Reduction of HSO‐ 3 to H2S Based on a Water‐Soluble Iron Porphyrin.
Authors: KLINE M. A. , BARLEY M. H. , MEYER T. J.
Published: May 2016

The water‐soluble iron porphyrin (Fe(III)(TPPS)(H2O)n)3‐ (n = 1 or 2; TPPS: meso‐tetrakis(p‐sulfonatophenyl)porphine) is shown to be an effective electrocatalyst for the reduction of HSO3‐ to H2S (cyclic voltammetric and differential‐pulse polarographic measurements).
ChemInform Abstract: The Gas Phase Kinetics of the Reactions of NaO with H2, D2, H2O, and D2O
Authors: AGER J. W. III , HOWARD C. J.
Published: May 2016

are studied in a flow reactor at 25 °C. In the case of the reaction of NaO with H2 two exothermic product channels A and B are observed and channel B produces some Na in the 32P state.
ChemInform Abstract: Tunable UV Laser Photolysis of NF2: Quantum Yield for NF(a 1δ) Production.
Authors: HEIDNER R. F. III , HELVAJIAN H. , KOFFEND J. B.
Published: May 2016

Using tunable UV radiation (240‐270 nm) from a frequency upconverted YAG pumped dye laser system, the absorption cross section of NF2, and the photolysis quantum yield for the fragment NF(a 1Δ) are measured with 0.25 cm‐1 resolution.
ChemInform Abstract: Low‐Temperature Synthesis and Characterization of Mixed Sodium Cerium(III) Hexa‐Aluminate.
Authors: AKA G. , THERY J. , VIVIEN D.
Published: May 2016

Two forms of sodium cerium(III) mixed hexa‐aluminate have been prepared at temp. as low as 1270 °C by thermal treatment (under argon) of an amorphous organometallic precursor obtained by the "citric acid method".
ChemInform Abstract: Reaction of Lithium Carbonate and Niobium Oxide in the Presence of a Melt of the Chlorides and Sulfates of the Alkali Elements.
Authors: DOROSHENKO A. K. , LOPATIN S. S. , LUPEIKO T. G. , LOGVINOVA S. V.
Published: May 2016

LiNbO3 is a material, widely used for electronic devices.
ChemInform Abstract: Controlled Hydrolysis of the Hexafluorides of Molybdenum, Tungsten, and Rhenium: Structure of Oxonium (μ‐Fluoro)bis(tetrafluorooxotungstate(VI)).
Authors: HOSKINS B. F. , LINDEN A. , O'DONNELL T. A.
Published: May 2016

As shown by vibrational spectra the title hydrolysis reactions in anhydrous HF yield MoOF4 as solely product in the case of MoF6, whereas the hydrolysis product of ReF6 is a mixture of ReOF4 and H3O+Re2O2F9‐ and WF6 hydrolyzes to give only H3O+W2O2F9‐.
ChemInform Abstract: Correlation Between Ionization Potentials and 13C‐ and 15N‐Chemical Shifts in Substituted Pyridines.
Authors: JOERGENSEN K. A.
Published: May 2016

A theory which predicts an approximately linear correlation between first ionization potentials and chemical shift is briefly presented.
ChemInform Abstract: The Exoclathrate Al(C7H8NO2)3·12 H2O. A Facial Geometry Imposed by Extensive Hydrogen Bonding with the Ice I Structure.
Authors: NELSON W. O. , RETTIG S. J. , ORVIG C.
Published: May 2016

A single‐crystal X‐ray diffraction study on the complex (I), crystallized from hot water, is carried out (space group P3, Z=2).
ChemInform Abstract: Aggregation of Complexes of Some Phenols with Triethylamine in Benzene.
Authors: DEGA‐SZAFRAN Z. , SZAFRAN M.
Published: May 2016

The practical molal osmotic coefficients and molal activity coefficients of Et3N complexes with pentachlorophenol and 2,6‐dibromo‐4‐nitrophenol in benzene are determined by vapor pressure osmometry over the concentration range 0.03‐0.45 mol/kg at 27, 35, 40, and 50 °C. The non‐ideal behavior of the investigated system is interpreted in terms of an association model.
ChemInform Abstract: Molecular Recognition: New Shapes for Asymmetric Microenvironments.
Authors: REBEK J. JUN. , ASKEW B. , BALLESTER P. , DOA M.
Published: May 2016

Successive treatment of the anhydride acid (I) with CH2N2 (II) and the amino compounds (III) (the L‐enantiomers are used) yields the cyclohexanes (IVa) (two diastereomers are isolated) and (IVb) (only the major diastereomer is isolated); initial binding experiments reveal these structures to be highly effective chiral solvating agents for racemic amines such as (+)‐ and (‐)‐ephedrine.
ChemInform Abstract: Chiral Alkoxytitanium(IV) Complexes for Enantioselective Nucleophilic Additions to Aldehydes and as Lewis Acids in Diels‐Alder Reactions.
Authors: SEEBACH D. , BECK A. K. , IMWINKELRIED R. , ROGGO S. , WONNACOTT A.
Published: May 2016

A number of 1,4‐diols such as (I), (II), 1,3‐diols (III), (IV), and 1,2‐diols (V), (VI) are prepared by conventional methods and used as alkoxy ligands on Ti for enantioselective nucleophilic transfer of various alkyl, cycloalkyl or aryl groups to aldehydes such as (VII).
ChemInform Abstract: Solid‐Liquid Phase Transfer Catalytic Synthesis. Part 6. 1,3‐Dipolar Cycloaddition Reactions of Aldimines.
Authors: YAOZHONG J. , CHANGYOU Z. , SHENGDE W.
Published: May 2016

The aldimines (I), derived from aromatic aldehydes and aminoacetates, undergo a 1,3‐dipolar cycloaddition reaction with the dipolarophiles (II) to produce the pyrrolidines (III).
ChemInform Abstract: Synthesis via Vinyl Sulfones. Part 20. A Self‐Immolative Strategy for 1,2‐Elimination of Homoallyl Sulfones to 1,3‐Dienes.
Authors: RADISSON X. , KWIATKOWSKI P. L. , FUCHS P. L.
Published: May 2016

The allylated cyclopentyl phenyl sulfones (IV) undergo 1,2‐elimination upon treatment with tert‐butoxide to produce only moderate yields of the propenylidenecyclopentenols (VI) via the acetonides (V).
ChemInform Abstract: 2,5‐Cyclohexadien‐1‐one to Bicyclo(3.1.0)hexenone Photorearrangement. Development of the Reaction for Use in Organic Synthesis.
Authors: SCHULTZ A. G. , LAVIERI F. P. , MACIELAG M. , PLUMMER M.
Published: May 2016

The cyclohexadienones (II), (IX), (XII) are accessible by oxidation of the respective hexadienes as exemplified for (IIa).
ChemInform Abstract: The Reactions of Electronically Excited Vinylidene Radicals with Molecular O2.
Authors: FAHR A. , LAUFER A. H.
Published: May 2016

Triplet CH2=C:, produced from vacuum UV flash photolysis of vinyl chloride, reacts with O2 to yield CO and HCHO in equal amounts, probably through a cyclic intermediate.
ChemInform Abstract: Spectroscopic Studies of Various Carbene‐Radical‐Cations Formed by Radiolysis of Solutions on Halogenocarbons.
Authors: KATO N. , MIYAZAKI T. , FUEKI K. , KOBAYASHI N. , ISHIGURO K. , SAWAKI Y.
Published: May 2016

When Ph2CN2 in Bu‐Cl or CCl3F is γ‐irradiated at 77 K, the radical cation (PhCN2)+· is produced; its irradiation with visible light leads to (PhC)+·.
ChemInform Abstract: Ruthenium‐Catalyzed Oxidation of Alkanes.
Authors: CARLSEN P. H. J.
Published: May 2016

The application of a RuCl3/NaIO4 system to the oxidation of various hydrocarbons is investigated.
ChemInform Abstract: 2,4‐Bis(4‐methylphenylthio)‐1,3,2λ5,4λ5‐dithiadiphosphetane‐2,4‐d# ithione: A New Reagent for Thiation of N,N‐Disubstituted Amides.
Authors: WIPF P. , JENNY C. , HEIMGARTNER H.
Published: May 2016

As a new reagent for the thiation of amides, compound (IV) shows a remarkable selectivity in the desired thiation of N,N‐disubstituted amides which is complementary to the one of the well‐known Lawesson reagent.
ChemInform Abstract: Stereoselective Synthesis of erythro‐ and threo‐1,2‐Diols from Diketo Sulfides via cis‐3,4‐Dihydroxythiolanes.
Authors: NAKAYAMA J. , YAMAOKA S. , HOSHINO M.
Published: May 2016

The 3,4‐dihydroxythiolanes (II) and (V) are prepared by reductive cyclization of the bis(acylmethyl) sulfides (I) or (IV).
ChemInform Abstract: Liquid‐Phase Thermic Condensation of Aromatic and Heteroaromatic Thiols with β‐Chloro‐ and β‐Bromostyrene.
Authors: KUZNETSOVA M. A. , KORCHEVIN N. A. , DERYAGINA E. N. , VORONKOV M. G.
Published: May 2016

Thiophenol (I), 1‐thionaphthol (IV) and 2‐mercaptothiophene (VI) react with β‐chloro‐ (IIa) or β‐bromostyrene (IIb) to afford the known phenyl styryl sulfide (I), the novel 1‐naphthyl styryl sulfide (V) and the novel 2‐thienyl styryl sulfide (VII).
ChemInform Abstract: Synthesis of Triflate and Chloride Salts of Alkylbis(2,2,2‐trifluoroethyl)amines.
Authors: ANDERSON G. L. , HARRUNA I.
Published: May 2016

The triflates (I) react with the bis(trifluoroethyl)amine (II), yielding the ammonium triflates (III), which are converted to the corresponding chlorides (IV) by treatment with gaseous hydrogen chloride in aqueous potassium carbonate solution.
ChemInform Abstract: 1,1,1‐Trifluoro‐2‐diazo‐3‐nitropropane ‐ Synthesis and Reaction with Enamines.
Authors: AIZIKOVICH A. YA. , BAZYL' I. T.
Published: May 2016

The title compound (IV) is prepared starting from the known trifluoro‐2‐amino‐3‐nitropropene (I).
ChemInform Abstract: Preparation of Enantiomeric erythro‐ and threo‐1,2,3‐Pentanetriols by an Enzymatic Racemate Resolution.
Authors: CLASSEN A. , WERSHOFEN S. , YUSUFOGLU A. , SCHARF H.‐D.
Published: May 2016

Enantiomerically pure triols (VIII), (X), (XII), (XIV) are needed as building units for the synthesis of brevicomin enantiomers.
ChemInform Abstract: Synthesis of Methyl (1R)‐cis‐2,2‐Dimethyl‐3‐(2‐oxopropyl)cyclopropanecarboxylate, an Intermediate for Synthetic Pyrethroids.
Authors: MULJIANI Z. , DESHMUKH A. R. A. S. , GADRE S. R. , JOSHI V. S.
Published: May 2016

The diol (II) obtained from (+)‐3‐carene (I) is converted to the ketoxime (IV) by Swern oxidation and subsequent treatment with isoamyl nitrite.
ChemInform Abstract: Multistep Redox Systems. Part 49. 1,3‐Dimethylidenecyclobutanes Substituted by π‐Systems: Syntheses and Properties.
Authors: FREUND W. , HUENIG S. +
Published: May 2016

Reaction of the dithione (II) with the diazo compounds (Ia) or (Ib) gives the isolable thiiranes (IIIa), (IIIb) (cis/trans mixtures), which are then converted to the title systems (IVa), (IVb) by extrusion of sulfur.
ChemInform Abstract: Chiral Building Blocks for Fused Cyclopentanoids: Enantioselective Synthesis of 5‐Methylbicyclo(3.3.0)oct‐1‐ene‐3,6‐dione and Derivatives.
Authors: BROOKS D. W. , WOODS K. W.
Published: May 2016

The (R)‐isomeric dione (VIII) mentioned in the title is synthesized from the dione (I) in six steps as shown in the reaction scheme.
ChemInform Abstract: Reaction of Phosphorus Pentachloride with Cyclohexenyl Esters of Carboxylic Acids.
Authors: KROLEVETS A. A.
Published: May 2016

The esters (I) react with PCl5 to give the chlorinated derivatives (II).
ChemInform Abstract: The Unexpected Regio‐ and Stereospecific Diels‐Alder Reaction between Cyclopentadiene and 2‐Benzenesulphonyl‐3‐trimethylsilylbicyclo(2.2.1)hepta‐2,5‐diene.
Authors: WILLIAMS R. V. , SUNG C.‐L. A.
Published: May 2016

The norbornadiene derivative (III), prepared from the acetylene (I) and cyclopentadiene (II), undergoes further cycloaddition with (II), forming the adduct (IV) in a regio‐ and stereospecific manner.
ChemInform Abstract: Reaction of N‐Arylsulfonylquinone Imines and Quinones with N‐Chloroamides.
Authors: BEZVERKHII N. P. , PROTASHCHUK S. I. , BORODAVKO N. D.
Published: May 2016

Compounds of type (II) react with the benzoquinone diimines (I) to yield the 2,5‐bis‐amido derivatives (III) and with the naphthoquinone monoimines (IV) to give the 2‐amino derivatives (V).
ChemInform Abstract: Re‐entrant Liquid Crystals. Synthesis and Study of Mesomorphous p‐Alkyloxybenzoyloxybenzylidene‐p‐cyanoanilines.
Authors: VETROVA Z. P. , KARABANOV N. T. , IVANOVA L. A. , AKOPOVA O. B. , MAIDACHENKO G. G. , YASHIN YA. I.
Published: May 2016

Starting with the p‐alkoxybenzoic acids (I), the title compounds (VI) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Preparation and Properties of 3‐Alkyl‐1‐arylnitrosoureas and Related Compounds.
Authors: TANNO M. , SUEYOSHI S.
Published: May 2016

The ureas (Ia) ‐ (Ie) are transformed into the isomeric nitroso compounds (II) and (III) by the two methods A and B. The nitration of the ureas (Ia) ‐ (Ic) leads to the nitroaryl ureas (IVa) ‐ (IVc).
ChemInform Abstract: Reaction of Unsaturated Derivatives of Epichlorohydrin with Dihalocarbenes.
Authors: AKHMEDOV M. A. , VLADIMIROVA I. I. , KOSTIKOV R. R. , KYAZIMOV SH. K. , MOLCHANOV A. P.
Published: May 2016

The title compounds (I) react with dichloro‐ or dibromocarbene to yield the trihaloepoxycyclopropanes (III) or (V).
ChemInform Abstract: Isomerization and Desulfurization of Allene Episulfides.
Authors: ANDO W. , ITAMI A. , FURUHATA T. , TOKITOH N.
Published: May 2016

The allene episulfide (I) is subjected to thermal or acid‐catalyzed rearrangement, forming the isomer (II) and the allene (III) or (II) and the benzothiophene (IV).
ChemInform Abstract: A Radical Cyclization Route to α‐Methylene‐γ‐butyrolactones.
Authors: SRIKRISHNA A.
Published: May 2016

The alkenes (I) and the dihydronaphthalene (VII) are converted into the bromopropynyl ethers (III) and (VIII) which undergo cyclization to give the methylenetetrahydrofurans (IV) and (IX).
ChemInform Abstract: Organoselenium‐Induced Cyclization of Olefinic Imidates and Amides. Selective Synthesis of Lactams or Iminolactones.
Authors: TOSHIMITSU A. , TERAO K. , UEMURA S.
Published: May 2016

The synthesis of the iminolactones (III) is achieved by reaction of the unsaturated amides (I) with the phenylselenenyl halides (II).
ChemInform Abstract: Studies on the Chemistry of Isoindoles and Isoindolenines. Part 25. Procedure for the Preparation of 2‐Aryl‐2H‐isoindoles.
Authors: KREHER R. P. , FELDHOFF U. , SEUBERT J. , SCHMITT D.
Published: May 2016

1,2‐Di(bromomethyl)benzene (I) is coupled with the anilines (II) to produce the N‐arylisoindolenines (III) as the main products, together with minor amounts of the dimers (IV).
ChemInform Abstract: Ring‐Chain Tautomerism and Some Reactions of 2‐Hydroxyindoline Derivatives.
Authors: KAWASAKI T. , OHTSUKA H. , CHIEN C.‐S. , OMATA M. , SAKAMOTO M.
Published: May 2016

The hydroxyindolinones (IIa) and (IIb) react with acetic anhydride to give the corresponding acetates (Ia) and (Ib) and with methyl iodide to give the ether (IIIa).
ChemInform Abstract: Ring‐Expansion of a Dihalogenocarbene Adduct of a Cycloheptene Derivative and the Corresponding Retro‐Reaction.
Authors: DHANAK D. , KURODA R. , REESE C. B.
Published: May 2016

In analogy to the rearrangement of the fused dichlorocyclopropane, yielding the metacyclophane (II), the related indole derivatives (Va) and (Vb) are treated with silver perchlorate.
ChemInform Abstract: Hexakis(1,3‐dithiol‐2‐ylidene)cyclohexane with Two Different Conformations of the Six‐Membered Ring.
Authors: SUGIMOTO T. , MISAKI Y. , KAJITA T. , YOSHIDA Z. , KAI Y. , KASAI N.
Published: May 2016

Reaction of the bis(dithioles) (I) under argon in DMF yields the (6)radialenes (II) together with the (4)radialenes (5% each).
ChemInform Abstract: Synthesis and Some Properties of 4‐Halogeno‐4‐nitroisoxazolines.
Authors: TRUSOVA T. V. , MALYUTA N. G. , KHISAMUTDINOV G. KH.
Published: May 2016

The hitherto unknown title compounds (II) are prepared by direct halogenation of the 4‐nitroisoxazolines (I) via their sodium salts.
ChemInform Abstract: Synthesis of Oxazolo(5,4‐g)‐1,2‐benzisoxazoles.
Authors: RAO E. V. S. B. , KUMARI S. S. , RAO K. S. R. K. M.
Published: May 2016

Title compounds of type (IV) and (VI) are synthesized via the common intermediate (II) and screened for their bacteriostatic activity.
ChemInform Abstract: Semicarbazones and Thiosemicarbazones of the Heterocyclic Series. Part 50. Reaction of 1‐Acylisatins with Thioaroylhydrazines.
Authors: TOMCHIN A. B.
Published: May 2016

The reaction between 1‐acylisatins as e.g. (I) and thioaroylhydrazines as e.g. (II) has been studied earlier, but the structures of the products remained unclear.
ChemInform Abstract: Ketene. Part 26. The Reactions of 3,4‐Dihydroisoquinoline N‐Oxide with Ketenes, and an Attempted Synthesis of 3,4‐Dihydro‐3,3‐dimethylquinoline N‐Oxide.
Authors: EVANS A. R. , MARTIN R. , TAYLOR G. A. , YAP C. H. M.
Published: May 2016

The reactivity of 3,4‐dihydroisoquinoline N‐oxide (I) (with restricted relative orientation of the aromatic moiety and the nitrone function), which is known to be highly reactive in 1,3‐dipolar cycloadditions, is studied employing various ketenes.
ChemInform Abstract: A New Route to (2,3,4)Cyclazines.
Authors: BATROFF V. , FLITSCH W.
Published: May 2016

Cycloaddition of the indolizines (I) with the acetylene (II) or the olefins (V) and (VIII) yields the adducts (III), (VI) or (IX); the latter is transformed into the cyclic thioether (XII).
ChemInform Abstract: A New Indolizidine Synthesis.
Authors: BOULAAJAJ S. , LE GALL T. , VAULTIER M. , GREE R. , TOUPET L. , CARRIE R.
Published: May 2016

The iron tricarbonyl pentadienal complex (I) is coupled with the lithiated acetate (II) to produce the enantiomeric alcohols (III) which are decomplexed and acetylated, yielding the acetate (IVb).
ChemInform Abstract: Reaction of Thiadiazole Derivatives with Isothiocyanates and Carbon Disulfide.
Authors: MATSUMURA N. , TOMURA M. , MORI O. , YONEDA S.
Published: May 2016

The title derivatives (I) react with the isothiocyanate (II) via 1,3‐dipolar cycloaddition to afford the tetraazapentalene derivatives (III).
ChemInform Abstract: Reaction of 2‐Aryl‐3,1‐benzoxazine‐4‐ones with Hydrazine Hydrate: A Reinvestigation.
Authors: VAID R. K. , RAO B. V. , KAUSHIK B. , SINGH S. P.
Published: May 2016

A reinvestigation of the title reaction between (II) and (IV) shows that the quinazolines (III) are formed and not, as reported by other authors, the benzotriazepines (I).
ChemInform Abstract: Migration of the Methoxy Group in an Organosilicon Cation. Reactions of (Bromodiphenylsilyl)(methoxydimethylsilyl)bis(trimethylsilyl)methane with Silver Borofluoride and Silver Chloride. Crystal Structure of (Chlorodiphenylsilyl)(methoxydimethylsilyl)bis(trimethylsilyl)methane.
Authors: BUTTRUS N. H. , EABORN C. , HITCHCOCK P. B. , LICKISS P. D. , NAJIM S. T.
Published: May 2016

When treated with AgBF4, (Ia) shows a 1,3‐migration of the methoxy group probably through an MeO‐bridged cation to give (II).
ChemInform Abstract: Reaction of Trimethylsilyl Ketene Diethylacetal with Hexafluoroacetone and Bis(trifluoromethyl) Ketene.
Authors: LIVANTSOVA L. I. , ZAITSEVA G. S. , BAUKOV YU. I.
Published: May 2016

The ketene acetal (I) reacts with hexafluoroacetone (II) to give the silyl ether (III).
ChemInform Abstract: On the Ketene Alkylsilyl Acetal Preparations.
Authors: SLOUGUI N. , ROUSSEAU G.
Published: May 2016

Three methods for the preparation of silylalkyl ketene acetals are described.
ChemInform Abstract: Reaction of Isobutyl‐ and 2‐Chloroisobutyldichlorophosphines with Antimony Trifluoride.
Authors: KROLEVETS A. A. , POPOV A. G. , ADAMOV A. V.
Published: May 2016

The dichlorophosphine (I) reacts with antimony trifluoride to give the phosphorane (II) and the fluorophosphines (III) and (IV).
ChemInform Abstract: Reaction of Diethyl tert‐Butyl Phosphite with Chloral.
Authors: GAZIZOV T. KH. , CHUGUNOV YU. V. , PUDOVIK A. N.
Published: May 2016

Diethyl tert‐butyl phosphite (IV) reacts with chloral (III) under kinetic control to give the phosphonate (I) and the phosphate (II).
ChemInform Abstract: Tandem Wittig Reactions of 1,1‐Diphenylphosphorinanium Salt.
Authors: YAMAMOTO I. , FUJIMOTO T. , OHTA K. , MATSUZAKI K.
Published: May 2016

The title compound (V), prepared in 89% overall yield according to Kuchen and Buchwald (1958), undergoes Wittig reaction with benzaldehyde (VI) to yield (VII) the E:Z ratio of which is varying with temp.; in the same way products (IX) are obtained.
ChemInform Abstract: Organo‐Phosphorus Derivatives of Cyclopropane.
Authors: KORMACHEV V. V. , BOLESOV I. G. , ISHMURATOV A. S.
Published: May 2016

The cyclopropane derivative (II) reacts with the chlorophosphine (I) to give the phosphorane (III) which is treated with hydrogen sulfide, producing the phosphine sulfide (IV).
ChemInform Abstract: Phosphorus‐Containing Crown Ethers. Part 9. Complexing Ability of 17‐Membered Phosphorus‐Containing Crown Ethers with Metals of the Groups IA and IIA.
Authors: CHAIKOVSKAYA A. A. , KUDRYA T. N. , PINCHUK A. M.
Published: May 2016

The crown ethers (IIIa) are prepared from the diphenolate (Ib) and the phosphonic dichlorides (II).
ChemInform Abstract: Reaction of Acidic Methylenebisphosphonites with Carbonyl Compounds.
Authors: NOVIKOVA Z. S. , ODINETS I. L. , LUTSENKO I. F.
Published: May 2016

The methylenebisphosphonite (Ia) reacts with the carbonyl compounds (II) in the presence of CsF to give the methylenebisphosphinates (III).
ChemInform Abstract: Seleno‐Bridged Cyclopropenylium Cations. Bis(cyclopropenylium) Selenides and Diselenides.
Authors: SEITZ G. , KAISER F.‐J.
Published: May 2016

The selenoketones (I) are converted to the symmetrical bis(cyclopropenylium) selenides (III) by reaction with halocyclopropenylium salts such as (II).
ChemInform Abstract: Electrochemical Reactions of S‐, Se‐, and Te‐Containing Organic Compounds. Part 19. Oxidation of Cyclic Alkyl Phenyl Selenides.
Authors: ZHUIKOV V. V. , LATYPOVA V. Z. , POSTNIKOVA M. YU. , KARGIN YU. M.
Published: May 2016

The anodic oxidation of selenochromane (Ia) and selenochromanone (Ib) leads to the formation of selenochromene (IIa) or selenochromone (IIb), together with the diselenides (III).
ChemInform Abstract: The Chemistry of N‐Alkylporphyrin Complexes: A Comparison of Reactivities and Structures of Chlorozinc(II) Complexes of N‐Benzyl‐, N‐Methyl‐, and N‐Phenyltetraphenylporphyrin.
Authors: SCHAUER C. K. , ANDERSON O. P. , LAVALLEE D. K. , BATTIONI J.‐P. , MANSUY D.
Published: May 2016

The rates of nucleophilic displacement reactions of the N‐substituents in the title complexes are strongly dependent on the nature of the substituent.
ChemInform Abstract: Alkylaluminum Cations: Synthesis and Structure of Cyclic (Al(2‐C(SiMe3)2C5H4N)2) (AlCl4).
Authors: ENGELHARDT L. M. , KYNAST U. , RASTON C. L. , WHITE A. H.
Published: May 2016

On reaction of a bulky N‐functionalized alkyl ligand (as its Li salt) with AlCl3, the complex (III) is formed which is likely to have a five‐coordinate metal center.
ChemInform Abstract: Models for Organometallic Molecule‐Support Complexes. Synthesis and Properties of Cationic Organoactinides.
Authors: LIN Z. , LE MARECHAL J.‐F. , SABAT M. , MARKS T. J.
Published: May 2016

The first efficient synthetic procedure to model cationic organoactinide complexes free of coordinating bases are reported.
ChemInform Abstract: Complexes with Phosphinomethane and ‐methanide Ligands. Part 12. Redox‐Disproportionation of Ge(II) Compounds: Synthesis and Structure of ((Me3Si)C(PMe2)2)2GeCl2 and (μ‐((Me3Si)C(PMe2)2))2Ge2.
Authors: KARSCH H. H. , DEUBELLY B. , RIEDE J. , MUELLER G. +
Published: May 2016

The 2:3 molar reaction of Ge‐dichloride (I) with the phosphinomethanide (II) leads via a redox process to the formation of the trans‐octahedral oxidation product (III) and to the reduction product (IV) containing a doubly phosphinomethanide‐bridged (Ge(I)‐Ge(I))2+ unit (no yields given).
ChemInform Abstract: Vanadium Carbene Complexes by Reaction of (Diene)metallocene with (CpV(CO)4).
Authors: ERKER G. , LECHT R. , SCHLUND R. , ANGERMUND K. , KRUEGER C. +
Published: May 2016

Carbene complexes may be important in V‐catalyzed olefin metathesis and polymerization reactions.
ChemInform Abstract: Synthesis, Structure, and Haptotropic Rearrangement of Benzocyclooctatetraenetricarbonylchromium(0) Complexes.
Authors: BERNO P. , CECCON A. , GAMBARO A. , VENZO A. , GANIS P. , VALLE G.
Published: May 2016

The coordination of (I) with the Cr complexes (II) and (IV) affords the complex (III) (P21/a, Z=4) and the isomer (V) ( P21/n, Z=4), respectively.
ChemInform Abstract: Remote Tricarbonyl(diene)iron Substituent Effect on Ester Heterolysis. The Solvolyses of 5,6,7,8‐Tetramethylidenebicyclo(2.2.2)oct‐2‐yl Methanesulfonate and of its Tricarbonyliron Mono‐ and Dinuclear Complexes.
Authors: ZWICK J.‐C. , GABIOUD R. , VOGEL P.
Published: May 2016

The mesylate (I) and the title complexes (V) ("syn‐endo"), (VIII) ("syn‐exo"), (Xa) ("anti‐endo"), (XIIa) ("anti‐exo"), (XVa) ("anti‐exo,syn‐endo"), and (XX) ("anti‐endo,syn‐exo") are derived from the corresponding alcohols using standard procedures.
ChemInform Abstract: Synthetic Models of the Active Site of Cytochrome P‐450. Part 1. The Synthesis of a Doubly‐Bridged Iron(II)‐Porphyrin Carrying a Tightly Bound Thiolate Ligand.
Authors: STAEUBLI B. + , FRETZ H. , PIANTINI U. , WOGGON W.‐D.
Published: May 2016

The title complex (IXa) carrying an S‐ ligand in the socalled "proximal" position and the substrate at the "distal" site, is synthesized as an enzyme model for cytochrome P‐450.
ChemInform Abstract: Synthesis of α‐Ferrocenylcarbenium Ions by Dehydrogenation of α‐Hydrogen‐Containing Ferrocene Derivatives.
Authors: BOEV V. I.
Published: May 2016

The ferrocene derivatives (I), (IV), or (VI) are transformed into the α‐ferrocenylcarbenium salts (III), (V), or (VII) on treatment with the trityl salts (II).
ChemInform Abstract: Structure and Magnetism of Analogous O‐Bridged (Phenolato) and S‐Bridged (Thiophenolato) Binuclear Copper(II) Complexes. Crystal Structure of the Binuclear S‐Bridged Complex μ‐(2,6‐Bis(4′‐cyclohexyl‐4′‐hydroxy‐2′,3′‐diazabuta‐1′,3′‐dien‐1′‐yl)‐4‐meth# ylthiophenolato(3‐)‐S,N2,O(Cu1,2))‐methanol‐μ‐(pyrazolyl‐N,N′)‐dicopper(II).
Authors: ILIOPOULOS P. , MURRAY K. S. , ROBSON R. , WILSON J. , WILLIAMS G. A.
Published: May 2016

Magnetostructural correlations are made on the matched pair of O‐bridged and S‐bridged binuclear Cu(II) complexes (Ia) and (Ib).
ChemInform Abstract: A Ru5Mo2 Heterometal Cluster with Two Quadruply‐Bridging Carbonyl Ligands.
Authors: ADAMS R. D. , BABIN J. E. , TASI M.
Published: May 2016

The triruthenium cluster (I) reacts with the Mo dimer (II) to give the three heterometal clusters (III)‐(V).
ChemInform Abstract: Electron Delocalization in Diruthenium Complexes of Polycyclic Arenes.
Authors: PLITZKO K.‐D. , BOEKELHEIDE V.
Published: May 2016

The properties of the complexes (I) and (II), prepared electrochemically from the corresponding cations containing two Ru(II) centers, are compared.
ChemInform Abstract: Control of the Reactivity of Cyclopalladated Complexes for the Synthesis of Heterocyclic Compounds.
Authors: MAASSARANI F. , PFEFFER M. , LE BORGNE G.
Published: May 2016

The cyclopalladium complexes (I), (IV), and (VI) react with the acetylenes (II) to give the N‐heterocycles (III), (Va), or (Vc).
ChemInform Abstract: Hydride Abstraction from (C6H6Os(CO)(CH3)2): Does a Metal‐Bound Methyl Group Migrate Preferentially to a CO or a CH2 Ligand?
Authors: RODER K. , WERNER H.
Published: May 2016

To answer this question compound (V) is prepared and its reaction with the trityl cation is studied.
ChemInform Abstract: Chemistry of α‐Aminonitriles. Part 1. Introduction and Pathways to Uroporphyrinogen‐octanitriles.
Authors: KSANDER G. , BOLD G. , LATTMANN R. , LEHMANN C. , FRUEH T. + , XIANG Y.‐B. , INOMATA K. , BUSER H.‐P. , SCHREIBER J. , ZASS E. , ESCHENMOSER A.
Published: May 2016

An introduction is presented to experimental studies on the chemistry of α‐aminonitriles potentially relevant to the problems of prebiotic chemistry.
ChemInform Abstract: Pigments from Leaf‐Glands from Labiatae: 17 Quinonoid Abietanoids from Plectranthus sanguineus Britten.
Authors: MATLOUBI‐MOGHADAM F. , RUEEDI P. + , EUGSTER C. H.
Published: May 2016

The most interesting of the isolated title compounds (I)‐(VII) is the tricyclic seven‐membered anhydride (I).
ChemInform Abstract: Synthesis of 4‐Methyl‐8‐oxo‐4E‐nonenal by Oxidative Cleavage of E‐Geranyl Acetone. Study of the 13C NMR Spectra of the Intermediate Compounds.
Authors: MIZYUK V. L. , STRUCHKOVA M. I. , KHARCHEVNIKOV A. P.
Published: May 2016

An optimized synthesis of the title compound (V) is described, which starts from geranyl acetone (I).
ChemInform Abstract: Synthesis of the 1,3‐Dioxolane Ring System of the Trichothecenes Sambucinol and Sporol via a Stereoselective Claisen Rearrangement.
Authors: ZIEGLER F. E. , NANGIA A. , SCHULTE G.
Published: May 2016

The major stereoisomer from the Claisen rearrangement of the allyl vinyl ether (III) is shown to be the keto nitrile (V) by an X‐ray analysis of the derived hydroxy nitrile (VII) (space group P21/c, Z=4).
ChemInform Abstract: Some Cyclic Oligopeptides with S2n Symmetry.
Authors: TOMASIC L. , LORENZI G. P.
Published: May 2016

The cyclic oligopeptides (I) and (II), consisting of an equal number of alternating D‐ and L‐amino acid residues, and the related peptide (III) are prepared by using the hydrochloride of the open‐chain peptide as precursor and the mixed anhydride condensation method.