bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Oxidation by Singlet Oxygen of 4,7‐Dimethoxy‐2,9‐di‐tert.‐butyloxepino(2,3‐b)benzofuran, an Oxidation Product of the Antioxidant BHA.
Authors: BYRNE L. T. , ENGELHARDT L. M. , HEWGILL F. R. , SKELTON B. W. , WHITE A. H. , FOOTE C. S.
Published: May 2016

The oxidation products (III) and (IV) (space group P1 with Z=2) of the title compound (I) are most likely formed via 1,2‐dioxetane and 1,4‐endoperoxide oxygen adducts, respectively.
ChemInform Abstract: Chemistry of 1,1,2,2‐Tetracyanoethane. Part 11. Synthesis and Stereochemistry of 9‐Amino‐4‐methyl‐6‐phenyl‐7,7,8‐tricyano‐2‐oxa‐3‐azaspiro‐(4,4)nona‐3,8‐dien‐1‐one.
Authors: ZOLOTOI A. B. , KONOVALIKHIN S. V. , LUKIN P. M. , D'YACHENKO O. A. , ZIL'BERG S. P. , NASAKIN O. E.
Published: May 2016

Tetracyanoethane (II) is coupled with the benzylideneisoxazolinone (I) to give the spiro compound (III).
ChemInform Abstract: Preparation of 3,3′‐Bis(5‐imino‐δ2‐1,4,2‐oxathiazoline) and Its Coordination Behavior with Zn(II), Fe(II), Cu(II), and Ni(II).
Authors: AHMAD N. A.‐S. , KHALILI F.
Published: May 2016

Dichloroglyoxime (I) undergoes cyclocondensation with potassium thiocyanate (II) to give the bis(iminooxathiazoline) (III) which forms 1:1 complexes with the metal ions mentioned in the title.
ChemInform Abstract: Pummerer Rearrangements and Similar Reactions of Some Six‐Membered Cyclic Sulfoxides: Synthesis of 3‐Deoxy‐5‐thiopentopyranoses Branched at C‐3.
Authors: SANTOYO GONZALEZ F. , GARCIA MENDOZA P. , LOPEZ APARICIO F. J.
Published: May 2016

Oxidation of the meso‐3,5‐diacetoxytetrahydrothiopyrans (I) with MCPBA produces mixtures of the diastereomeric sulfoxides (II) and (III).
ChemInform Abstract: A Facile Preparation of Alkylpyridines from Aminopyrans.
Authors: MARUGAN M. M. , MARTIN N. , SEOANE C. , SOTO J. L.
Published: May 2016

The reaction of most of the aminopyrans (I) with sulfuric acid gives the pyridinones (II).
ChemInform Abstract: Synthesis of 1,2,3,4,5,8‐Hexahydroisoquinoline‐5,8‐diones Using Oxidative Demethylation with Ceric Ammonium Nitrate or Argentic Oxide.
Authors: KITAHARA Y. , NAKAHARA S. , KOIZUMI Y. , MURANISHI H. , KUBO A.
Published: May 2016

Oxidative demethylation of the tetrahydroisoquinolines (I) with ceric ammonium nitrate or argentic oxide in the presence of pyridine‐2,6‐dicarboxylic acid N‐oxide leads to the formation of the unstable title compounds (II).
ChemInform Abstract: Cyclic Acylimines. Part 2. Synthesis and Reactivity of 2‐Substituted Indol‐3‐ones.
Authors: ALONSO‐SILVA I. J. , PARDO M. , RABASCO D. , SOTO J. L.
Published: May 2016

Cycloaddition of the known phenylindolone (I) with dienes such as (II) proceeds easily in the presence of TosOH to give the cycloadduct (III).
ChemInform Abstract: Synthesis of 4‐Methylpyrido(3,2‐e)pyrrolo(1,2‐a)pyrazines.
Authors: LANCELOT J.‐C. , ROBBA M. , DUNG N. H. , VIOSSAT B.
Published: May 2016

Starting with 2‐amino‐4‐methyl‐3‐nitropyridine (I), the title compounds are synthesized via the key intermediate (IV).
ChemInform Abstract: Studies on Organosilicon Chemistry. Part 94. Highly Coordinate Organosilicon Compounds in Synthesis: New Entry to S,N‐Acetals by Selective Reduction of Alkylthiomethyleniminium Salts by Use of Trimethoxysilane and Dilithium 2,3‐Butanediolate.
Authors: TOMINAGA Y. , MATSUOKA Y. , HAYASHIDA H. , KOHRA S. , HOSOMI A.
Published: May 2016

The thiomorpholides (I) are alkylated to give the methyleniminium salts (III) which are reduced with trimethoxysilane in the presence of dilithium 2,3‐butanediolate to form the S,N‐acetals (IV), together with minor amounts of the amines (V).
ChemInform Abstract: Synthesis of Bis(vinylidenedimethylenedithio)tetrathiafulvalene.
Authors: ABRAMOV M. A. , RUBTSOVA I. K. , PETROV M. L.
Published: May 2016

The disodium salt (II), a key intermediate in the synthesis of the title compound (IX), may be alkylated directly by the (Z)‐alkene (III) to give the desired key compound (IV); however, the yield is found to be very low.
ChemInform Abstract: 4‐Isocyanatosulfonylmonobenzo‐15‐crown‐5.
Authors: MARKOVSKII L. N. , RUDKEVICH D. M. , KAL'CHENKO V. I.
Published: May 2016

The title compound (V) is prepared in high yield starting from the aminosulfone (I) using the reaction sequence shown.
ChemInform Abstract: Dibenzyl Phosphorofluoridate, a New Phosphorylating Agent.
Authors: WATANABE Y. , HYODO N. , OZAKI S.
Published: May 2016

Dibenzyl phosphorofluoridate (II) is prepared from the pyrophosphate (I) or from dibenzyl phosphate (III).
ChemInform Abstract: Germanium and Tin Compounds. Part 4. A Polyhedral Oligogermane: 4,8‐Dibromo‐octa‐tert.‐butyltetracyclo(3.3.0.02,7.03,6)octagermane.
Authors: WEIDENBRUCH M. , GRIMM F.‐T. , POHL S. , SAAK W.
Published: May 2016

The title compound (II) is obtained as the main product in the shown reaction.
ChemInform Abstract: 2,4,6‐Triisopropylphenylcopper, a Novel Tetranuclear Organocopper Aggregate with Asymmetrically Bridging, σ,π Bound Aryl Ligands.
Authors: NOBEL D. , VAN KOTEN G. , SPEK A. L.
Published: May 2016

The title complex is obtained as its crystalline tetranuclear aggregate (III) by the equimolar reaction shown in the scheme.
ChemInform Abstract: (PdCl2(PPh3)(CN‐(CH2)3‐O‐C(O)‐CH=CH2)) and Cyclic (PdCl2(PPh3)(C‐N(H)‐CH2‐CH2‐N‐(CH2)3‐O‐C(O)‐CH=CH2)): Prototypes of Novel Organometallic Vinyl Monomers?
Authors: CASELLATO U. , CORAIN B. , ZECCA M. , MICHELIN R. A. , MOZZON M. , GRAZIANI R.
Published: May 2016

The title complexes (III) and (V) are obtained according to the scheme.
ChemInform Abstract: Synthesis of (NBu4)2(Pd2(μ‐Br)2(C6X5)2Br2) (X: F, Cl), New and More Versatile Precursors of Pentahalophenyl Derivatives of Palladium(II).
Authors: USON R. , FORNIES J. , NALDA J. A. , LOZANO M. J. , ESPINET P. , ALBENIZ A. C.
Published: May 2016

The title compounds (III) are synthesized according to the scheme.
ChemInform Abstract: Synthesis of a Squalenoid Oxaziridine and Other New Classes of Squalene Derivatives, as Inhibitors of Sterol Biosynthesis.
Authors: CERUTI M. , VIOLA F. , BALLIANO G. , GROSA G. , CAPUTO O. , GERST N. , SCHUBER F. , CATTEL L.
Published: May 2016

Some new squalene derivatives such as (III)‐(V) are prepared, rationally designed as inhibitors of 2,3‐oxidosqualene (SO) cyclase, a key enzyme in sterol biosynthesis.
ChemInform Abstract: Synthesis of the Kairomones of Lepidoptera Belonging to the Series of 2‐Acyl‐4‐hydroxycyclohexane‐1,3‐diones.
Authors: LAKHVICH F. A. , ZAITSEV V. G. , POLOZOV G. I. , AKHREM A. A.
Published: May 2016

A convenient synthesis of the title compounds (IV) is reported.
ChemInform Abstract: Synthetic Studies on Spiroketal Natural Products. Part 2. An Enantioselective Synthesis of (R)‐ and (S)‐1,7‐Dioxaspiro(5.5)undecane.
Authors: IWATA C. , FUJITA M. , KUROKI T. , HATTORI K. , UCHIDA S. , IMANISHI T.
Published: May 2016

Coupling of (‐)‐menthyl (S)‐p‐toluenesulfinate (I) with the Grignard reagent (II) yields the chiral sulfoxide (IV) after silylation.
ChemInform Abstract: Cobalt Silicide Interconnection from a Si/W/Co Trilayer Structure.
Authors: LIN M.‐Z. , WU C.‐Y.
Published: May 2016

Good‐quality and lateral‐growth‐free CoSi2 can be formed easily by annealing a Si/W/Co trilayer structure at 700‐800 °C for 30 min under flowing N2 in an ordinary open‐tube furnace.
ChemInform Abstract: The Plasma‐Enhanced Chemical Vapor Deposition of TiN from TiCl4/N2/H2 Gas Mixtures
Authors: IANNO N. J. , AHMED A. U. , ENGLEBERT D. E.
Published: May 2016

on thermally grown SiO2 at a total pressure of 1.1 torr and input power density of 5 W/cm2 at 13.56 MHz is investigated as a function of flow rates and substrate temperature.
ChemInform Abstract: Alkali (Li, Na, K, Rb, Cs) and Alkaline Earth (Be, Mg, Ca, Sr, Ba) Metals
Authors: SNAITH R.
Published: May 2016

Review: (278 refs.
ChemInform Abstract: Aluminum, Gallium, Indium, and Thallium
Authors: GRIMES S. M.
Published: May 2016

Review: (86 refs.
ChemInform Abstract: Detection of the Isotopomeric closo‐Hydrohexaborates 11Bn10B6‐nH2‐ 6, n = 0‐6, by Low Temperature Raman Spectroscopy.
Authors: PREETZ W. , THESING J.
Published: May 2016

The 10 K Raman spectra of (IV) and its 11B‐ and 10B‐enriched derivatives show well resolved signals of the B6‐cage vibrations ν1(A1g), ν3(Eg), and ν9(T2g) for all isotopomers.
ChemInform Abstract: Kinetics and Mechanism of the OH + HO2 Reaction
Authors: SCHWAB J. J. , BRUNE W. H. , ANDERSON J. G.
Published: May 2016

are studied by using a low‐pressure discharge flow reactor with combined laser magnetic resonance and resonance fluorescence detection of atoms and molecules.
ChemInform Abstract: Kinetics of NO Reduction by CO Over Supported Rhodium Catalysts: Isotopic Cycling Experiments.
Authors: CHO B. K. , SHANKS B. H. , BAILEY J. E.
Published: May 2016

The catalytic activity of Rh/Al2O3 and Rh/CeO2 catalysts for the reduction of NO by CO is studied under feed‐composition cycling conditions as well as under steady feed conditions using an isotopic reactant, 13CO.
ChemInform Abstract: Rearrangement of 4‐Alkynylcyclobutenones. A New Synthesis of 1,4‐Benzoquinones.
Authors: FOLAND L. D. , KARLSSON J. O. , PERRI S. T. , SCHWABE R. , XU S. L. , PATIL S. , MOORE H. W.
Published: May 2016

Thermolysis of cyclobutenones of type (I) results in electrocyclic ring opening to produce ketenes (II) followed by ring closure to the unique diradical intermediates (III) and/or (IV), which undergo rearrangement to yield cyclopentenediones such as (V) and/or benzoquinones such as (VI).
ChemInform Abstract: Synthesis of 2‐Methyl‐2‐propanethiol by the Reaction of Isobutene with Hydrogen Sulfide.
Authors: NAITOH R. , TANAKA E. , YOSHIDA H.
Published: May 2016

Treatment of isobutene (I) with hydrogen sulfide (II) in the presence of an active alumina catalyst results in the formation of the thiol (III) mentioned in the title.
ChemInform Abstract: Homogeneous Nucleophile Exchange. Part 2. Silver‐Free, Direct Synthesis of Primary Alkyl Sulfonates from Alkyl Halides.
Authors: HAHN R. C. , TOMPKINS J.
Published: May 2016

Alkyl halides such as (I) or (V) undergo nucleophilic exchange reaction with methyl tosylate (II) in the presence of catalytic amounts of tetrabutylammonium bromide to give the tosylates (III) and (IV) or (VI) and (VII).
ChemInform Abstract: Five‐Membered 2,3‐Dioxoheterocycles. Part 10. Reaction of 5‐Aryl‐2,3‐dihydrofuran‐2,3‐diones with N‐Substituted Ureas and Their Thio and Seleno Analogues.
Authors: ANDREICHIKOV YU. S. , NEKRASOV D. D. , RUDENKO M. A. , NALIMOVA YU. A.
Published: May 2016

The arylfurandiones (I) react with the ureas (II) to give the imidazolidines (III).
ChemInform Abstract: 2‐(2,2,2‐Trifluoroethylidene)‐1,3‐dithianes. New Intermediates for the Preparation of CF3‐Containing Compounds.
Authors: SOLBERG J. , BENNECHE T. , UNDHEIM K.
Published: May 2016

The ketones (III) which are accessible from the components (I) and (II) are transformed to the compounds (V).
ChemInform Abstract: Synthesis and Antiviral Activity of Certain 4‐Substituted and 4,5‐Disubstituted 7‐((2‐Hydroxyethoxy)methyl)pyrrolo(2,3‐d)pyrimidines.
Authors: PUDLO J. S. , SAXENA N. K. , NASSIRI M. R. , TURK S. R. , DRACH J. C. , TOWNSEND L. B.
Published: May 2016

Coupling of 4‐chloropyrrolo(2,3‐d)pyrimidine (I) with the bromide (II) gives the acyclic nucleoside (III).
ChemInform Abstract: Palladium(2+)‐Catalyzed Intramolecular Aminocarbonylation of 3‐Hydroxy‐4‐pentenylamines and 4‐Hydroxy‐5‐hexenylamines.
Authors: TAMARU Y. , HOJO M. , YOSHIDA Z.
Published: May 2016

The N‐tosyl‐3‐hydroxy‐4‐pentenylamine (I) undergoes intramolecular amination and Pd(II)‐catalyzed carbonylation reaction to form the fused lactone (IV).
ChemInform Abstract: Synthesis and Pharmacology of trans‐4‐n‐Propyl‐3,4,4a,10b‐tetrahydro‐2H,5H‐1‐benzopyrano(4,3‐b)‐1,4‐oxazin‐7‐ and ‐9‐ols: The Significance of Nitrogen pKa Values for Central Dopamine Receptor Activation.
Authors: DIJKSTRA D. , MULDER T. B. A. , ROLLEMA H. , TEPPER P. G. , VAN DER WEIDE J. , HORN A. S.
Published: May 2016

Acylation of the aminobenzopyranone hydrochlorides (I) with chloroacetyl chloride (II) gives the N‐acyl derivatives (III) which are reduced, yielding the trans‐(chloroacetamido)hydroxybenzopyrans (IV) as the main products.
ChemInform Abstract: Radioiodinated Benzodiazepines: Agents for Mapping Glial Tumors.
Authors: VAN DORT M. E. , CILIAX B. J. , GILDERSLEEVE D. L. , SHERMAN P. S. , ROSENSPIRE K. C. , YOUNG A. B. , JUNCK L. , WIELAND D. M.
Published: May 2016

Coupling of the aniline derivatives (I) with the benzonitriles (II) gives the corresponding ketimines which produce the halogenated 2‐aminobenzophenones (III) upon acidic hydrolysis.
ChemInform Abstract: Exchange Reactions of Tetrakis(trifluoromethyl)diphosphine with Pnicogen‐Pnicogen, Phosphorus‐Hydrogen, and Phosphorus‐Chlorine Bonds.
Authors: AVENS L. R. , CRIBBS L. V. , MILLS J. L.
Published: May 2016

The title diphosphine (I) reacts with the dipnicogen compounds (IIa), (IIb), and (IV) via a four‐centered intermediate to produce the unsym. dipnicogens (III).
ChemInform Abstract: Reactivity and Selectivity in Intermolecular Insertion Reactions of Chlorophenylcarbene.
Authors: DOYLE M. P. , TAUNTON J. , OON S.‐M. , LIU M. T. H. , SOUNDARARAJAN N. , PLATZ M. S. , JACKSON J. E.
Published: May 2016

Phenylchlorocarbene (II) is generated from the diazirine (I).
ChemInform Abstract: Preparation, Structure, and Reactivity of the Nonbonded Organoditantalum(IV) Complexes (η‐C5Me4R)2Ta2(μ‐X)2X4 (R: Me, Et; X: Cl, Br), Precursors to the Doubly Bonded Organoditantalum(III) Complexes (η‐C5Me4R)2Ta2(μ‐X)4.
Authors: TING C. , MESSERLE L.
Published: May 2016

Reduction of the mononuclear Ta(V) complexes (I) with 1 equiv. of sodium amalgam proceeds to the paramagnetic Ta(IV) complexes (II).
ChemInform Abstract: Polymetallic Complexes. Part 18. Cobalt(II), Nickel(II), Copper(II), Zinc(II), Cadmium(II), and Mercury(II) Complexes Containing a Chelating Azo Dye, N,N′‐Bis(3‐(2′‐hydroxyphenylazo)acetoacetanilide)ethylenediamine.
Authors: MAHAPATRA B. B. , DAS D. K.
Published: May 2016

The diazonium salt (I), generated from o‐aminophenol, is coupled with the known ethylenediamine bis(acetoacetanilide) (II) to produce the azo dye (III).
ChemInform Abstract: Characterization and Spectral Properties of Oxovanadium(IV), Palladium(II) and Lead(II) Complexes of Hemiporphyrazine.
Authors: SAKATA K. , HAYASHI Y.‐I. , GONDO K. , HASHIMOTO M.
Published: May 2016

The title ligand reacts with VOSO4·5 H2O, PdCl2 or Pb(O‐Ac)2·3 H2O to give the complexes (I).
ChemInform Abstract: A Divergent de Novo Synthesis of Carbohydrates Based on an Accelerated Inverse Electron Demand Diels‐Alder Reaction of 1‐Oxa‐1,3‐butadienes.
Authors: BOGER D. L. , ROBARGE K. D.
Published: May 2016

(4 + 2)Cycloaddition reaction of the vinyl ethers (II) with trans‐4‐methoxy‐2‐oxo‐3‐butenoate (I) yields regioselectively the adducts (III).
ChemInform Abstract: Structure and Acid‐Base Properties of One‐Electron‐Oxidized Deoxyguanosine, Guanosine, and 1‐Methylguanosine.
Authors: CANDEIAS L. P. , STEENKEN S.
Published: May 2016

The title compounds (I) react in aqueous solution with SO·‐ 4 with nearly diffusion‐controlled rates and with Br·‐ 2 with rate constants close to ca. 5·107 M‐1 s‐1 The resulting radical cations have pKa values of 3.9 ((Ia), (Ib)) and 4.7 ((Ic)), so that at pH 7 the products of one‐electron oxidation are neutral radicals, formed by deprotonation.
ChemInform Abstract: Degradation Mechanisms of ZrO2‐8 wt.% Y2O3/Ni‐22Cr‐10Al‐1Y Thermal Barrier Coatings.
Authors: WU B.‐C. , CHANG E. , CHANG S.‐F. , TU D.
Published: May 2016

Plasma spraying duplex ZrO2‐8 wt.% Y2O3/Ni‐22Cr‐10Al‐1Y thermal barrier coatings (TBCs) on Mar‐M247 superalloy are tested under various operating conditions within the temp. range 1000‐1150 °C. From the results it is concluded that oxidation of bond coatings is the dominant TBC degradation mechanism, whereas the operationally induced stresses exert a conjugate effect.
ChemInform Abstract: The Oxidation Behavior of Molybdenum and Chromium Alloys.
Authors: LEE D.‐B. , SIMKOVICH G.
Published: May 2016

The oxidation properties of preoxidized and non‐preoxidized Mo‐Cr‐Al‐Y alloys at 1000 and 1100 °C are compared by measuring the weight gain‐time curves.
ChemInform Abstract: A Highly Stereoselective Reaction in Aminolysis of 3‐Acyl‐4(S)‐isopropyl‐1,3‐thiazolidine‐2‐thione with Racemic Amines.
Authors: JEONG T. M. , PARK K. H.
Published: May 2016

Aminolysis of the title compounds (I), prepared in two steps from L‐valine, with the racemic chiral amines (±)‐(II) yields the optically active amides (S)‐(III) in considerable enantiomeric excess.
ChemInform Abstract: Solvolysis of Substituted Benzyl Bromides.
Authors: YOH S.‐D. , KIM H.‐R. , KIM S.‐H. , PARK B.‐S.
Published: May 2016

The solvolysis of substituted benzyl bromides is studied in binary solvent mixtures of acetone/H2O and EtOH/H2O at 25 °C and 45 °C. The influence of substituent and solvent effects on the rate constants is investigated.
ChemInform Abstract: Chlorosilane‐Accelerated Conjugate Addition of Catalytic and Stoichiometric Organocopper Reagents.
Authors: MATSUZAWA S. , HORIGUCHI Y. , NAKAMURA E. , KUWAJIMA I.
Published: May 2016

Trialkylsilyl chlorides (e.g.
ChemInform Abstract: Rhodium‐Catalyzed C‐C Coupling Reactions Involving Ring Opening of Strained Molecules. Part 2. Addition to Olefins and Aromatic Substitution.
Authors: CHIUSOLI G. P. , COSTA M. , MELLI L.
Published: May 2016

Rhodium‐mediated cleavage of diphenylmethylenecyclopropanes (I) or (VI) with the activated olefins (II) yields the isomeric dienes (III) ‐ (V).
ChemInform Abstract: Reduction of Ammonium Salts of Halonitroacetic Acid Derivatives with Thionyl Chloride.
Authors: YURTANOV A. I. , CHEKHLOV A. N. , MARTYNOV I. V.
Published: May 2016

The ammonium nitronates (I) react with thionyl chloride to give the halohydroxyiminoacetic acid derivatives (II) and the halonitroacetic acid derivatives (III).
ChemInform Abstract: Structure and Reactivity in Highly Halogenated Ketazines.
Authors: LAI E. C. K. , MACKAY D. , TAYLOR N. J. , WATSON K. N.
Published: May 2016

The structures of some halogenated azines such as (I) are investigated by UV/VIS and 1H NMR.
ChemInform Abstract: O‐(2‐Aminobenzoyl)hydroxylamine. A New Reagent for the Direct Conversion of Aldehydes to Nitriles.
Authors: REDDY P. S. N. , REDDY P. P.
Published: May 2016

The hydroxylamine (I) mentioned in the title reacts with the aromatic aldehydes (II) in the presence of boron trifluoride etherate to yield the nitriles (IV) via the oxime esters (III).
ChemInform Abstract: Optically Active α‐Sulfinyl Epoxides: Precursors of Chiral Functionalized Homoallylic Alcohols.
Authors: SOLLADIE G. , HAMDOUCHI C. , VICENTE M.
Published: May 2016

The chloroacetate (I) is coupled with the chiral sulfoxide (II) to give the optically active β‐keto sulfoxide (III) which is selectively reduced, yielding the chlorohydrin (+)‐(IV).
ChemInform Abstract: Catalytic Asymmetric Hydrogenation of β‐Disubstituted α‐Phenylacrylic Acids. Asymmetric Synthesis of Carboxylic Acids Containing Two Vicinal Chiral Carbon Centers.
Authors: HAYASHI T. , KAWAMURA N. , ITO Y.
Published: May 2016

The β‐disubstituted α‐phenylacetic acids (II) are selectively hydrogenated in the presence of a chiral aminoalkylferrocenylphosphinerhodium complex to form the optically active carboxylic acids (III).
ChemInform Abstract: A Stereoselective Darzen′s Condensation for the Preparation of Fluorinated 2,3‐Epoxyesters and 2,3‐Epoxyketones.
Authors: KITAZUME T. , IKEYA T.
Published: May 2016

Darzen's condensation of chlorofluoromethyl carbonyl compounds with aromatic aldehydes in the presence of bovine serum albumin gives 2,3‐epoxyketones possessing a fluorine atom (12 examples; yield: 44‐74%).
ChemInform Abstract: 9‐Oxabicyclo(6.1.0)nonynes.
Authors: MAYER W. , MEIER H.
Published: May 2016

The title compounds (V), (IX), and (XIII) are prepared as shown in the scheme, but a wide range of synthetic experiments with lower or no success at all is described as well.
ChemInform Abstract: Synthesis and Pharmacological Activity of 9‐Substituted Octahydroindolo(2,3‐a)quinolizines.
Authors: BOIDO‐CANU C. , BOIDO V. , SPARATORE F. , SPARATORE A. , SUSANNA V. , RUSSO S. , CENICOLA M. L. , MARMO E.
Published: May 2016

The p‐substituted phenylhydrazones (I) and (III) of quinolizidinone are used as starting materials for the preparation of the indoles (II) and (IV) via Fischer's indole synthesis.
ChemInform Abstract: Synthesis and Antimycobacterial Effects of Some Lipophilic Substituted 2,4‐Diamino‐5‐benzylpyrimidines.
Authors: HACHTEL G. , HALLER R. , SEYDEL J. K.
Published: May 2016

The hydroxybenzaldehydes (I) are alkylated with the bromides (II) to yield the alkoxybenzaldehydes (III) which are coupled with the cyanoethylmorpholine (IV), producing the morpholinoacrylnitriles (V).
ChemInform Abstract: Synthesis of 9‐(Hydroxyalkylamino)guanines, Novel Antiviral Acyclonucleosides.
Authors: HARNDEN M. R. , JARVEST R. L.
Published: May 2016

The diaminohydrazinopyrimidine (I) is cyclized with formic acid (II) to give 9‐aminoguanine (III) which is coupled with the siloxyaldehydes (IV) selectively at the 9‐amino group to form the imines (V).
ChemInform Abstract: First Examples of an Isomeric Methylene‐Bridged Free Phosphano Phosphoranimine and a Metalated Phosphano Phosphoranimine. Synthesis, Characterization, and Isomerization of the Heterodifunctional Ligand Me3SiNPPh2CH2PPh2 and the Transmetalation to the Titanium Derivative (η5‐C5H5)TiCl2NPPh2CH2PPh2.
Authors: KATTI K. V. , CAVELL R. G.
Published: May 2016

The reaction of the diphosphine (I) with the silylazide (II) in the absence of solvents yields the novel heterodifunctional ligand (III).
ChemInform Abstract: Reactions of an Azidoborane with Phosphines: Synthesis of (Borylimino)phosphoranes.
Authors: LI B.‐L. , MUKHERJEE P. , NEILSON R. H.
Published: May 2016

The azidoborane (II) is a useful reagent for the oxidation of both three‐ and two‐coordinate phosphines e.g. (I), (IV), and (VI) to afford new (borylimino)phosphoranes such as (III), (V), and (VII).
ChemInform Abstract: Carbonyl Derivatives with a Chiral Phosphorylhydrazine.
Authors: DEHMLOW E. V. , SAUERBIER C.
Published: May 2016

Title compounds of type (VI) are prepared from the hydrazido‐1,3,2‐oxaphospholidine (IV) and 16 chiral and achiral ketones and aldehydes, the ketones (Va) and (Vb) being given as examples.
ChemInform Abstract: Transformations of O‐Methyl O‐(3‐Bromoalkyl) Dimethylamidophosphites.
Authors: NURETDINOVA O. N. , GUSEVA F. F.
Published: May 2016

The amidophosphites (III), prepared in solution from the chlorophosphite (I) and the bromoalkanols (II), are transformed into the oxaphospholanes (IV) on storage or heating.
ChemInform Abstract: Synthesis and Crystal Structure of the Amidinato Complex Ph‐C(NSiMe3)2TeCl3.
Authors: HEY E. , ERGEZINGER C. , DEHNICKE K.
Published: May 2016

The novel title compound (III) has the space group P1 with Z=2.
ChemInform Abstract: Chromium, Molybdenum, and Tungsten Zerovalent Complexes of the Nitrogen Chelating Ligand 2‐(Phenylazo)pyridine (2‐PAP), Including Air‐Stable cis‐M(CO)2(2‐PAP)2 and M(2‐PAP)3.
Authors: ACKERMANN M. N. , BARTON C. R. , DEODENE C. J. , SPECHT E. M. , KEILL S. C. , SCHREIBER W. E. , KIM H.
Published: May 2016

Equimolar reaction of the title ligand (II) with the (norbornadiene)tetracarbonyls (I) results in the formation of the monosubstitution products (III).
ChemInform Abstract: Manganese(II) N,N′‐Dipyridoxylethylenediamine‐N,N′‐diacetate 5,5′‐Bis(phosphate). Synthesis and Characterization of a Paramagnetic Chelate for Magnetic Resonance Imaging Enhancement.
Authors: ROCKLAGE S. M. , CACHERIS W. P. , QUAY S. C. , HAHN F. E. , RAYMOND K. N.
Published: May 2016

The preparation of the new ligand (V) is described.
ChemInform Abstract: General Synthetic Route to the Dirhenium Octahydrides Re2H8(PR3)4 from the Triply Bonded Complexes Re2Cl4(PR3)4. An Unexpected Structure for the Complex Re2H8(dppm)2 (dppm: Ph2PCH2PPh2).
Authors: FANWICK P. E. , ROOT D. R. , WALTON R. A.
Published: May 2016

The conditions A) represent a general route to the dirhenium octahydrides (II).
ChemInform Abstract: Regio‐ and Stereoselective Palladium‐Catalyzed Functionalization of Dienes. Synthesis of (.+‐.)‐Sativene.
Authors: ANTONSSON T. , MALMBERG C. , MOBERG C.
Published: May 2016

Pd‐catalyzed coupling of 1,3‐butadiene (I) with the allylamine (II) gives the aminotriene (III).
ChemInform Abstract: Allenic Cholesteryl Derivatives as Inhibitors of Ecdysone Biosynthesis.
Authors: BURGER A. , ROUSSEL J.‐P. , HETRU C. , HOFFMANN J. A. , LUU B.
Published: May 2016

The compounds (III), (V), (VIIa) and (VIIb) are prepared in order to obtain substances which prevent the C‐22 hydroxylation in the biosynthesis of the insect molting hormone ecdysone (VIII), since the C‐22 hydroxylation is required for the molting effect.
ChemInform Abstract: Alkylation of Epoxides of 1,6‐Anhydropyranoses.
Authors: MAGDZINSKI L. , FRASER‐REID B.
Published: May 2016

With a view to developing routes to useful chiral synthons in natural product synthesis, the regioselectivity of the reaction of the title compounds (I), (IV) and (VIII) with some organometallic reagents (e.g.
ChemInform Abstract: A Convenient Method for the Preparation of Benzyl Derivatives of Adenine.
Authors: TATSUGI J. , OKUMURA S. , IZAWA Y.
Published: May 2016

The product distribution depends on the reaction conditions.
ChemInform Abstract: Practical Synthesis of Deoxymannojirimycin and Mannonolactam from L‐Gulonolactone. Synthesis of L‐Deoxymannojirimycin and L‐Mannonolactam from D‐Gulonolactone.
Authors: FLEET G. W. J. , RAMSDEN N. G. , WITTY D. R.
Published: May 2016

Starting from L‐gulonolactone (I) the deoxymannojirimycin (VIII) is prepared in eight steps in 25% overall yield.
ChemInform Abstract: Group IVB (Ti, Zr, Hf) Group VB (V, Nb, Ta) Group VIB (Cr, Mo, W), and Group VIIB (Mn, Tc, Re) elements
Authors: NEWBERY J. E.
Published: May 2016

Review: (237 refs.
ChemInform Abstract: Complex Copper(II) Fluorides. Part 10. The Ternary System BaF2‐CuF2‐InF3.
Authors: SAMOUEL M. , DE KOZAK A. , RENAUDIN J. , FEREY G.
Published: May 2016

The liquid‐solid equilibria diagram of the binary InF3‐BaF2 system is determined by DTA.
ChemInform Abstract: pH Measurement in Strong KOH Solutions with a Bismuth Electrode.
Authors: EINERHAND R. E. F. , VISSCHER W. H. M. , BARENDRECHT E.
Published: May 2016

The aim of the investigation reported is to develop a pH indicating electrode of small dimensions usable in KOH solutions of pH 14‐16. Freshly prepared Pt/Bi and Pt/Bi/BiOx electrodes show a linear E‐pH curve, whose slope alters with time.
ChemInform Abstract: Reaction of Hydrogen Peroxide with Metal Complexes. Part 10. Formation Kinetics of Peroxovanadium(V) Complexes in Strongly Acidic Media as Studied by a High‐Pressure Stopped‐Flow Technique.
Authors: FUNAHASHI S. , ISHIHARA K. , INAMO M. , TANAKA M.
Published: May 2016

The kinetics of the reactions outlined in the scheme are studied under pseudo‐first‐order conditions (i.e., > 20fold excess of H2O2) at various temp. and pressures.
ChemInform Abstract: Structure of (Et4N)2(Mo2(CO)8(μ‐SPh)2) and Structural Chemistry of Dinuclear Molybdenum(0,I) Carbonyl Complexes Containing Thiolato Bridges.
Authors: ZHUANG B. , HUANG L. , HE L. , YANG Y. , LU J.
Published: May 2016

The structure of the title compound (Ib) (space group P1, Z=1) is determined by X‐ray analysis.
ChemInform Abstract: Noncatalyzed, Homogeneously Catalyzed, and Heterogeneously Catalyzed Formyl Formation.
Authors: BLYHOLDER G. , LAWLESS M.
Published: May 2016

Potential energy surfaces are calculated for H migration onto a carbonyl to give a formyl structure for a noncatalyzed and two catalyzed (homogeneously and heterogeneously) reactions (see scheme) using a semiempirical MINDO procedure.
ChemInform Abstract: Allylative Ring Opening of Siloxycyclopropanes by Silver Fluoride and Allylic Chlorides Affording δ,ε‐Unsaturated Ketones.
Authors: RYU I. , SUZUKI H. , OGAWA A. , KAMBE N. , SONODA N.
Published: May 2016

Cleavage of the siloxycyclopropanes (I) with methallyl chloride (II) in the presence of silver fluoride yields the δ,ε‐unsaturated ketones (III).
ChemInform Abstract: Investigation of the Catalytic Isomerization of 5‐Nitro‐ and 4‐Nitroimidazoles.
Authors: VANELLE P. , JENTZER O. , BAHNOUS M. , CROZET M. P.
Published: May 2016

1,2‐Dimethyl‐5‐nitroimidazole (I) rearranges upon treatment with small amounts of methyl iodide (II) under different reaction conditions to give the 4‐nitroimidazole (IV) via (III).
ChemInform Abstract: Electron and Hydrogen Atom Transfer Mechanisms for the Photoreduction of o‐Quinones. Visible Light Induced Photoreactions of β‐Lapachone with Amines, Alcohols, and Amino Alcohols.
Authors: CI X. , DA SILVA R. S. , NICODEM D. , WHITTEN D. G.
Published: May 2016

In the presence of amines such as triethylamine (II) the title reaction of (I) proceeds via the triplet state as a sequence of two electron transfer‐proton transfer steps leading to the semiquinone radical (III) and the enamine (IV).
ChemInform Abstract: Acid‐Catalyzed Electron‐Transfer Processes in Reduction of α‐Haloketones by an NADH Model Compound and Ferrocene Derivatives.
Authors: FUKUZUMI S. , MOCHIZUKI S. , TANAKA T.
Published: May 2016

The NADH model compound (II) shows no reactivity toward araliphatic α‐haloketones such as (I) in MeCN at 335 K in the dark.
ChemInform Abstract: Triphase Catalytic Conversion of Alkenes to Organic Halides.
Authors: KHURANA J. M. , TETENYI P. , KODOMARI M. , REGEN S. L.
Published: May 2016

A series of alkenes such as (I) and (III) are conveniently converted to halides using the methods A) or B).
ChemInform Abstract: Regio‐ and Stereo‐Selectivity in the Reaction of Methyl 4,5‐Epoxy‐2‐hexenoate with Methylcopper Reagents.
Authors: IBUKA T. , TANAKA M. , NEMOTO H. , YAMAMOTO Y.
Published: May 2016

The reaction of the title compound (I) with MeCu (II) (or, similarly, with Me2CuLi or with BF3 complexes of (II) and Me2CuLi) gives predominantly the γ‐methylated product (IV) via an SN2 process whereas the reaction of (I) with the cyanocuprate (V) or with higher order dimethylcyanocuprate and their BF3 complexes affords preferentially the α‐methylated product (III) via an SN2' process.
ChemInform Abstract: An Anomalous Dipyrrole Product from Attempted Synthesis of a Tetraarylporphyrin.
Authors: CAVALEIRO J. A. S. , CONDESSO M. F. P. N. , OLMSTEAD M. M. , ORAM D. E. , SNOW K. M. , SMITH K. M.
Published: May 2016

Reaction of o‐acetoxybenzaldehyde (I) with pyrrole (II) in refluxing acetic acid gives a mixture of the dibenzofuranylpyrromethene (IIIa) and the deacetylation product (IIIb).
ChemInform Abstract: Studies on 1,3,4‐Oxadiazoles. Part 2. Preparation and Antimicrobial Activity of 2‐Benzoylamino‐5‐(2‐isopropyl‐5‐methylphenoxymethyl)‐1,3,4‐oxadiazoles.
Authors: RODA K. P. , VANSDADIA R. N. , PAREKH H.
Published: May 2016

Reaction of the phenoxyacetate (I) with hydrazine hydrate (II) leads to the formation of the hydrazide (III).
ChemInform Abstract: Enantioselective Total Synthesis of (‐)‐Monic Acid C via Carbosulfenylation of a Dihydropyran.
Authors: WHITE J. D. , THERAMONGKOL P. , KURODA C. , ENGEBRECHT J. R.
Published: May 2016

The dihydropyran (I) reacts with (‐)‐1‐borneol (II) and bromine to give the bromo ethers (III) and (IV).
ChemInform Abstract: A Regio‐ and Stereoselective Synthesis of Substituted Piperidones.
Authors: BAYARD P. , GHOSEZ L.
Published: May 2016

The 1‐imino silyl enolates (VI) are employed as azadienes in the hetero‐Diels‐Alder reaction with maleic anhydride (VII) or the α,β‐unsaturated esters (XI), producing the piperidines (VIII) or (XII) and (XIII).
ChemInform Abstract: Intracavity Acetyl Transfer.
Authors: WHITLOCK B. J. , WHITLOCK H. W. JUN.
Published: May 2016

The macrocycles (VIII) and (IX) are prepared as shown in the reaction scheme.
ChemInform Abstract: Thermal Rearrangement Studies on Ethyl and Chloro Diethyl Derivatives of closo‐2,4‐C2B5H7: Elimination of a 1,2‐Substituent‐Shift Mechanistic Hypothesis and Further Support of the DSD Cage Rearrangement Mechanism.
Authors: NAM W. , ABDOU Z. J. , LEE H. , BANUELOS T. , ONAK T.
Published: May 2016

For the synthesis of the compounds (I) and (II) the ethylation of both closo‐2,4‐C2B5H7 and its 3‐chloro derivative is carried out using EtCl/AlCl3 as the reagent mixture.
ChemInform Abstract: Hydrosilylation of N‐ and O‐Heterocyclic Aldehydes in the Presence of Rh(I), Ru(II), and Pd(II) Complexes.
Authors: IOVEL' I. G. , GOL'DBERG YU. SH. , GAUKHMAN A. P. , GAVARS M. P. , SHIMANSKAYA M. V. , LUKEVITS E.
Published: May 2016

Hydrosilylation of the aldehydes (I) with triethylsilane (II) in the presence of Rh(I), Ru(II), or Pd(II) complexes gives the silyl ether (III) and the dimer (IV).
ChemInform Abstract: The Rate of Ring Closure of 1,1‐Dimethyl‐2‐phenyl‐1‐silabuta‐1,3‐diene to 1,1‐Dimethyl‐2‐phenyl‐1‐silacyclobutene.
Authors: CONLIN R. T. , ZHANG S. , NAMAVARI M. , BOBBITT K. L. , FINK M. J.
Published: May 2016

Irradiation of (II) in a 3‐methylpentane glass at 77 K yields the siladiene (I) whose UV spectrum displays a maximum wavelength at 338 nm.
ChemInform Abstract: Palladium‐Catalyzed Reactions of Neopentylidenesiliranes.
Authors: SASO H. , ANDO W.
Published: May 2016

The silirane (I) reacts with dimethyl acetylenedicarboxylate (II) in the presence of a Pd catalyst to give mixtures of the silacyclopentenes (III) and (IV).
ChemInform Abstract: Synthesis and NMR Studies of Difluorophosphine‐Substituted Ureas.
Authors: KRUEGER W. + , SCHMUTZLER R. , SCHIEBEL H.‐M. , WRAY V.
Published: May 2016

The difluorophosphine‐substituted ureas (III) are employed to synthesize the chelate complexes (V) and (VII).
ChemInform Abstract: Chiral Sulfonated Phosphines. Syntheses and Use as Ligands in Asymmetric Hydrogenation Using an Aqueous‐Organic Two‐Phase Solvent System.
Authors: AMRANI Y. , LECOMTE L. , SINOU D. , BAKOS J. , TOTH I. , HEIL B.
Published: May 2016

Sulfonation of chiral bis(diphenylphosphines) e.g. (I) results in water‐soluble ligands.
ChemInform Abstract: Chemistry of Boron. Part 196. Preparation and Reaction of a 3‐Amino‐1,2,3‐azaphosphaboriridine.
Authors: KOELLE P. + , NOETH H. + , PAINE R. T.
Published: May 2016

The title compound (II) obtained by dehalogenation as shown reacts with S8 or Sex not only with ring expansion but also with oxidation of its λ3‐P atom to form the new heterocycles (III).
ChemInform Abstract: Dimesitylsilyl Derivatives of Zirconium.
Authors: RODDICK D. M. , HEYN R. H. , TILLEY T. D.
Published: May 2016

The silyl‐Li compound (IV) prepared as shown reacts with the halomethylzirconocenes (V) to give the silyl derivatives (VI).
ChemInform Abstract: The First Structural Evidence for the Insertion of an Unsubstituted Lead into a Carborane Cage.
Authors: HOSMANE N. S. , SIRIWARDANE U. , ZHU H. , ZHANG G. , MAGUIRE J. A.
Published: May 2016

The reaction of the monoanion of the nido‐carborane (I) with PbCl2 (II) yields the novel plumbacarborane (III) which is characterized by an X‐ray structure analysis (space group P1, Z=2).
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 59. Bridging Tin Atoms in Organomanganese Complexes. Formation, Structures, and Reactivity of Manganese‐Tin Multiple Bonds.
Authors: HERRMANN W. A. , KNEUPER H.‐J. , HERDTWECK E.
Published: May 2016

Treatment of the photochemically generated THF‐Mn complex (I) either with SnCl2 (II) and Zn dust or with SnH4 (III) leads to formation of the Sn‐bridged Mn3 complex (IVa).
ChemInform Abstract: Synthesis of Dialkyl‐ and Alkylacylrhenium Complexes by Alkylation of Anionic Rhenium Complexes at the Metal Center. Mechanism of a Double Carbonylation Reaction That Proceeds via the Formation of Free Methyl Radicals in Solution.
Authors: GOLDBERG K. I. , BERGMAN R. G.
Published: May 2016

The site of alkylation of salts of acylrhenates such as (I) can be controlled by adjusting the hardness of the alkylating agent.
ChemInform Abstract: Coordination Chemistry of Siloles: Synthesis, Reactions, and Stereochemistry of Silicon‐Substituted (η4‐2,5‐Diphenylsilacyclopentadiene)transition‐metal Complexes. Crystal Structure of Dicarbonyl(phenyl((η4‐exo‐1‐methyl‐2,5‐diphenylsilacyclopentadien‐1‐yl)oxy)# carbene)iron.
Authors: CARRE F. , CORRIU R. J. P. , GUERIN C. , HENNER B. J. L. , MAN W. W. C. W. C.
Published: May 2016

The synthesis of the title complexes derived from the siloles (I), (XII) and (XVII) and the reactivity of these and of (XXII) are described.
ChemInform Abstract: Synthesis, Characterization, and DNA‐Binding Properties of (1,2‐Diaminoethane)platinum(II) Complexes Linked to the DNA Intercalator Acridine Orange by Trimethylene and Hexamethylene Chains.
Authors: BOWLER B. E. , AHMED K. J. , SUNDQUIST W. I. , HOLLIS L. S. , WHANG E. E. , LIPPARD S. J.
Published: May 2016

Details of the preparation of the Pt complexes (VIc) and (VIe) (see scheme) as well as X‐ray structure determinations of the oxalato derivative (VIII) (P1, Z=2), which forms suitable crystals, and the ligand precursors (Ia) (C2/c, Z = 8) and (Ib) (P1, Z=2) are reported.
ChemInform Abstract: Total Synthesis of “Extended” Biliverdins: The Relation Between Their Conformation and Their Spectroscopic Properties.
Authors: ITURRASPE J. B. , BARI S. , FRYDMAN B.
Published: May 2016

Biliverdin (I) when treated with DBU affords biliverdin (II) of the neopterobilin type.
ChemInform Abstract: Synthesis of (24R,28R)‐ and (24S,28S)‐24,28‐Methylene‐5‐stigmasten‐3β‐ol and Biosynthetic Implications of Cyclopropyl Cleavage to 24‐Substituted Cholesterols.
Authors: GINER J.‐L. , ZIMMERMAN M. P. , DJERASSI C.
Published: May 2016

Treatment of methylenestigmastenol (I) with trifluoroacetic acid results in opening of the cyclopropane ring, producing the olefins (II) ‐(IV).
ChemInform Abstract: Daphniphyllum Alkaloids. Part 5. Total Synthesis of (.+‐.)‐Daphnilactone A: A Novel Fragmentation Reaction.
Authors: RUGGERI R. B. , MCCLURE K. F. , HEATHCOCK C. H.
Published: May 2016

The key step in the first total synthesis of the title compound (VIII) is the fragmentation reaction producing the unsaturated amino alcohol (VIa).
ChemInform Abstract: Synthesis of Naturally Occurring Chromenes.
Authors: MALI R. S. , MANEKAR A. R. , TILVE S. G.
Published: May 2016

The naturally occurring chromenes (IIIb), (V) and (VII) are easily available in one‐pot procedures.
ChemInform Abstract: Baker′s Yeast Reduction of 5‐Acetyl‐2‐isoxazolines. Synthesis of Enantiomerically Pure 2,3‐Dihydroxy Ketones and 1,2,4‐Triols.
Authors: TICOZZI C. , ZANAROTTI A.
Published: May 2016

The 5‐acetyl‐2‐isoxazolines (III), obtained by 1,3‐dipolar ccloaddition reaction of the nitril oxides (I) with methyl vinyl ketone (II), are selectively reduced in the presence of bakers' yeast to form the diastereomeric alcohols (IV) and (V).
ChemInform Abstract: X‐Ray Emission and X‐Ray Self‐Absorption in the High‐Tc Superconductor YBa2Cu3O6.9 and Other Copper Oxides.
Authors: BURGAEZY F. + , JAEGER H. , SCHULZE K. , LAMPARTER P. , STEEB S.
Published: May 2016

The problematic nature of the Cu‐O bonding in the high‐Tc superconductor YBa2Cu3O6.9 is investigated for the first time by using O‐Kα X‐ray emission and Cu‐L3 X‐ray self‐absorption spectroscopy.
ChemInform Abstract: New Phase of an Oxygen‐Nitrogen Alloy at High Pressure and Room Temperature Detected by Raman Spectroscopy.
Authors: BAER B. J. , NICOL M.
Published: May 2016

The new solid N‐O phase that forms at pressures > 11 GPa appears to be a variant of the Pm3n structure of δ‐N2 in which O2 molecules replace some of the N2 molecules.
ChemInform Abstract: The Electrochemcial Reaction of α‐Cu2V2O7 with Lithium in Organic Electrolyte
Authors: SAKURAI Y. , YAMAKI J.
Published: May 2016

(1 M LiClO4/propylene carbonate/DME) is investigated.
ChemInform Abstract: Rapid, High‐Resolution, Reversed‐Phase HPLC Separation of Highly Charged Polyoxometalates Using Ion‐Interaction Reagents and Competing Ions.
Authors: KIRK A. D. , RISKE W. , LYON D. K. , RAPKO B. , FINKE R. G.
Published: May 2016

Excellent and rapid (15 min) separation of highly charged polyoxometalate ions such as PW11VO44‐0, PW10V2O45‐0, PW9V3O46‐0, or P2W18Zn4(OH2)2O10‐ 68 is achieved by means of reversed‐phase HPLC using ion‐interaction reagents (n‐C6H13NH3+, BuNH3+) to promote retention and the citrate ion as a competing ion to avoid tailing.
ChemInform Abstract: Adsorption and Desorption of Nitrogen Oxide by the Aqueous Dispersion of the Chelate Resin‐Immobilized Iron(II) Complex.
Authors: TOSHIMA N. , ASANUMA H. , YAMAGUCHI K. , HIRAI H.
Published: May 2016

It is shown that a dispersion of a chelate resin‐Fe(II) complex prepared from FeSO4 and a chelate resin containing ‐CH2‐N(CH2COOH)2 moieties adsorbs up to 78% of the NO of a nitrogen gas containing 1000 ppm NO.
ChemInform Abstract: Surface Basicity Modification of γ‐Alumina: Study by Thermometric Titration.
Authors: RAMIREZ DE LA PISCINA P. , HOMS N. , BORRULL F.
Published: May 2016

The concentration of surface basic sites of various modified γ‐Al2O3 samples, used as supports in the preparation of metallic catalysts, are determined from the thermometric curves obtained by titration of the samples with benzoic acid solution.
ChemInform Abstract: Linear Semibridging Carbonyls. Part 2. Heterobimetallic Complexes Containing a Coordinatively Unsaturated Late Transition Metal Center.
Authors: SARGENT A. L. , HALL M. B.
Published: May 2016

The electronic structure and bonding of the complexes (I)‐(III) are analyzed by the parameter‐free Fenske‐Hall MO method.
ChemInform Abstract: Steric, Inductive, and Ring‐Strain Effects in Chelation Thermodynamics and Kinetics. Reactions of Copper(II) Ion with N‐Alkyl‐Substituted Diamino Diamides.
Authors: CHAO M.‐S. , CHUNG C.‐S.
Published: May 2016

For the new title ligands, prepared from the appropriate diamines and acrylamide in MeCH at reflux temp. (yields not given), the protonation constants are determined potentiometrically.
ChemInform Abstract: Azophenolic Acerands: Amine‐Selective Coloration and Crystal Structure of a Piperidinium Saltex.
Authors: KANEDA T. , UMEDA S. , ISHIZAKI Y. , KUO H.‐S. , MISUMI S. , KAI Y. , KANEHISA N. , KASAI N.
Published: May 2016

The reactions of NH3 and 11 simple alkylamines with chromoacerands (I) and open chain analogues (II) are examined.
ChemInform Abstract: Outer‐Sphere Electron‐Transfer Reduction of Alkyl Halides. A Source of Alkyl Radicals or of Carbanions? Reduction of Alkyl Radicals.
Authors: ANDRIEUX C. P. , GALLARDO I. , SAVEANT J.‐M.
Published: May 2016

Cyclic voltammetry of butyl iodides at a glassy carbon electrode allows the determination of an effective reduction potential for the butyl radicals.
ChemInform Abstract: The Direct Electrochemical Synthesis of Metal Complexes of 2,2′‐Dipyridylamine.
Authors: KUMAR R. , TUCK D. G.
Published: May 2016

The electrochemical oxidation of a metal anode in a non‐aqueous solution of the title ligand gives the complexes (Ia) and (Ib).
ChemInform Abstract: Asymmetric Catalysis. Part 45. Enantioselective Hydrosilylation of Ketones with (Rh(COD)Cl)2/Pyridinyloxazoline Catalysts.
Authors: BRUNNER H. , OBERMANN U.
Published: May 2016

Twenty‐one optically active pyridinyloxazolines such as (III) are synthesized from the 2‐cyanopyridine derivative (I) and optically pure amino alcohols such as (II).
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 20. Conversion of Boronic Esters of Essentially 100% Optical Purity to B‐Alkyl‐9‐borabicyclo(3.3.1)nonanes of Very High Optical Purity. Synthesis of Optically Active Homologated Esters, Nitriles, and Ketones.
Authors: BROWN H. C. , JOSHI N. N. , PYUN C. , SINGARAM B.
Published: May 2016

Asymmetric hydroboration of prochiral olefins such as (I) and subsequent removal of the chiral auxiliary yields the optically active borinane (VI), which is converted into a mixture of the borabicyclo(4.2.1)nonane (VIIIa) and ‐(3.3.1)nonane (IXa).
ChemInform Abstract: Diazo Compounds. Part 70. Intramolecular Cycloaddition of 5‐(Diazomethyl)‐5H‐benzocycloheptenes ‐ Partial Step of a New Benzosemibullvalene Synthesis.
Authors: REGITZ M. , BOEHSHAR M. + , ARENZ S. , HEYDT H.
Published: May 2016

Reaction of the benzocycloheptenylium perchlorates (I) with the diazo compounds (II) leads to the tetracycles (III), which arise from intramolecular cycloaddition of the intermediately formed 5H‐benzocycloheptenes (IV).
ChemInform Abstract: Intramolecular Hydrogen Abstraction. The Use of Organoselenium Reagents for the Generation of Alkoxy Radicals.
Authors: DORTA R. L. , FRANCISCO C. G. , FREIRE R. , SUAREZ E.
Published: May 2016

Hydroxy compounds such as the bridged cyclohexanol (II), the steroid (IV), and the sesquiterpene isolongifolene (VI) are converted to cyclic ethers under irradiation in the presence of the diphenylselenium(IV) compounds (Ia) or (Ib) and iodine.
ChemInform Abstract: A Novel Lanthanide‐Induced Rearrangement.
Authors: HOLTON R. A. , WILLIAMS A. D.
Published: May 2016

The ketone (I) is coupled with (α‐methoxyvinyl)lithium (II) to give a mixture of the α‐hydroxy ketones (III) and (IV).
ChemInform Abstract: The Silicon‐Carbon Double Bond: Theory Takes a Round.
Authors: GUTOWSKY H. S. , CHEN J. , HAJDUK P. J. , KEEN J. D. , EMILSSON T.
Published: May 2016

The short‐lived intermediate (II), produced by pyrolysis of (I) and dimerizing to the stable product (III), is investigated by microwave spectroscopy.
ChemInform Abstract: Electron‐Transfer Reactions in the Marcus Inverted Region. Charge Recombination versus Charge Shift Reactions.
Authors: GOULD I. R. , MOSER J. E. , ARMITAGE B. , FARID S. , GOODMAN J. L. , HERMAN M. S.
Published: May 2016

Quenching of the first singlet excited states of the uncharged acceptors (I) (or N‐methylacridinium salts studied as well) with a wide range of alkylbenzene donors such as (II) results in the formation of geminate radical ion pairs (III).
ChemInform Abstract: Ozonolysis of 1‐Substituted 2,3‐Diphenylindenes and o‐(1‐Substituted‐2‐phenyl‐3‐methoxy‐2‐propenyl)benzophenones. Remarkable Effects of the Method of Generation of the Carbonyl Oxide Intermediates on the Stereochemistries of Both the Ozonide and the Methanol‐Derived Isochroman Products.
Authors: NAKAMURA N. , FUJISAKA T. , NOJIMA M. , KUSABAYASHI S. , MCCULLOUGH K. J.
Published: May 2016

In the ozonolysis of compounds (I), both the steric effects of the 1‐substituent and the nature of the solvent play a significant role in determining the ratio of the exo/endo ozonides produced.
ChemInform Abstract: A New Enamine Salt for the Synthesis of γ‐Alkylated Ethyl Acetoacetate Derivatives.
Authors: DOLESCHALL G.
Published: May 2016

The isoxazolones (I) are converted to the potassium salts (III) which are alkylated with the halides (IV), forming the intermediates (V).
ChemInform Abstract: The Pagodane Route to Dodecahedranes: Homologous Dodecahedranes and Dodecahedrenes with Multiple Functionalization.
Authors: PINKOS R. , MELDER J.‐P. , FRITZ H. , PRINZBACH H.
Published: May 2016

Various title compounds of type (IV)‐(VI) are obtained from the functionalized pagodane (I) (cf.
ChemInform Abstract: Titanium Tetrachloride‐Mediated Diels‐Alder Reactions of Cyclopentadiene with (‐)‐Dimenthyl Methylenemalonate and Its Acetoxy Derivative as New Chiral Dienophiles for Asymmetric Induction.
Authors: KATAGIRI N. , HANEDA T. , WATANABE N. , HAYASAKA E. , KANEKO C.
Published: May 2016

Esterification of malonic acid with (‐)‐menthol and subsequent condensation reaction with paraformaldehyde yield the dimenthyl methylenemalonate (II) which undergoes Diels‐Alder reaction with cyclopentadiene (I) to give the bicyclo(2.2.1)heptenedicarboxylate (III) as the major isomer.
ChemInform Abstract: Titanium Tetrachloride‐Induced Fries Rearrangement: A New Route to Disubstituted 2‐Hydroxypropiophenones.
Authors: MARTIN R. , DEMERSEMAN P.
Published: May 2016

Titanium tetrachloride proves to be a mild catalyst for the Fries rearrangement of the dialkylphenyl propionates (I), (III), and (V), yielding the hydroxypropiophenones (II), (IV), or (VI).
ChemInform Abstract: A Versatile Synthesis of Carbapenems from Substituted Dihydropyrans.
Authors: BAYLES R. , FLYNN A. P. , GALT R. H. B. , KIRBY S. , TURNER R. W.
Published: May 2016

The optically active dihydropyrans (I) undergo acid‐induced cleavage followed by reductive recyclization to form the δ‐lactones (III) with predominance of the all‐trans‐diastereomers.