bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: New Pathway to Heterodinuclear Complexes with Equivalent Coordination Sites: Application of the Cis‐Trans Isomerization of the Oxamido Group.
Authors: COSTES J.‐P. , LAURENT J.‐P.
Published: May 2016

Addition of NaOH to the new ligand (III) before addition of the Cu ion causes the formation of an anionic mononuclear species in which the metal is surrounded by a N3O chromophore, presumably achieved by a suitable conformation.
ChemInform Abstract: Heterobimetallic Au‐Pd Phosphine Cluster Complexes. X‐Ray Crystal and Molecular Structure of (Au8Pd(PPh3)8)(NO3)2.
Authors: ITO L. N. , JOHNSON B. J. , MUETING A. M. , PIGNOLET L. H.
Published: May 2016

Because Pd is a catalytically important metal and Au‐Pd heterogeneous catalysts are used for oxidation catalysis, the title complex (IV) (beside minor amounts of (III)) is prepared according to the scheme.
ChemInform Abstract: Transition‐Metal Oxo and Nitrido Complexes. Part 10. New Oxo‐Ruthenium and Oxo‐Osmium Pyridine Complexes, and Use of the Former as Catalysts for Oxidation of Alcohols.
Authors: EL‐HENDAWY A. M. , GRIFFITH W. P. , TAHA F. I. , MOUSSA M. N.
Published: May 2016

The preparations of the new complexes are shown in the scheme.
ChemInform Abstract: Regiospecific ortho‐Lithiation of Phthalocyanines: A Route for One‐Step Synthesis of Highly Soluble Trimethylsilyl‐Substituted Phthalocyanines.
Authors: CHEN M. J. , FENDRICK C. M. , WATSON R. A. , KINTER K. S. , RATHKE J. W.
Published: May 2016

Addition of the Li salt (III) to a solution of phthalocyanine (I) and chlorosilane (II) in THF results in ortho‐silylation (as indicated by the numbers in (IV)) to give isomeric mixtures of di‐ (IVa), tri‐ (IVb), and tetrasilylated compounds (IVc) of unknown composition.
ChemInform Abstract: Synthesis of a Functionalized Carbocyclic Skeleton of Ptaquilosin, the Aglycone of a Bracken Carcinogen Ptaquiloside, Based on an Intramolecular Diels‐Alder Reaction.
Authors: KIGOSHI H. , SAWADA A. , NIWA H. , YAMADA K.
Published: May 2016

The target compound (VII) is obtained together with a large amount of dimeric products.
ChemInform Abstract: Trichothecene Mycotoxin Interconversions: Partial Syntheses of Calonectrin and Deoxynivalenol, and of a Trichothecene epi‐Epoxide, 3α,4β,15‐Triacetoxy‐12,13‐epi‐epoxytrichothec‐9‐ene.
Authors: CAMERON S. , COLVIN E. W.
Published: May 2016

The trichothecenes are a group of sesquiterpenoid mycotoxins which show a high degree of largely adverse biological behavior.
ChemInform Abstract: Chemistry of the Podocarpaceae. Part 74. The Conversion of Podocarpic Acid into γ‐Bicyclohomofarnesals.
Authors: CAMBIE R. C. , CLARK G. R. , GOETH M. E. , RICKARD C. E. F. , RUTLEDGE P. S. , RYAN G. R. , WOODGATE P. D.
Published: May 2016

The reduction product (Ib) of podocarpic acid (Ia) is converted into the ambergris odorant compound (VII) as shown.
ChemInform Abstract: The Reduction of Steroid 2α‐Fluoro‐4‐en‐3‐ones.
Authors: GOENDOES G. + , MCGIRR L. G. , JABLONSKI C. R. , SNEDDEN W. , ORR J. C.
Published: May 2016

Reduction of testosterone (III) with potassium tris(sec‐butyl)borohydride gives predominantly the allylic 3β‐alcohol (IVb), while 2α‐fluorotestosterone (I) yields solely the 3α‐isomer of the diols (II).
ChemInform Abstract: Selective Removal of the Methyldiphenylsilyl‐Protecting Group Using Azide Ion.
Authors: MONGER S. J. , PARRY D. M. , ROBERTS S. M.
Published: May 2016

Treatment of the diphenylmethyl silyl ethers (Ia), (IIIa), (V), and (VII) with sodium azide results in cleavage, forming the alcohols (IIa), (IVa), (VI), and (VIII).
ChemInform Abstract: Synthesis of Esters of Lipophilic Proline Analogs by Reduction of Ethyl 5,6‐Dihydro‐4H‐1,2‐oxazine‐3‐carboxylates.
Authors: HENNING R. , LERCH U. , URBACH H.
Published: May 2016

The dihydro‐1,2‐oxazine derivatives (III) are obtained by cycloaddition of ethyl 2‐nitrosopropenoate, prepared in situ from the bromohydroxyiminopropanoate (II), with the enamines (I).
ChemInform Abstract: A Practical Synthesis of the Chinese “Nootropic” Agent Huperzine A: A Possible Lead in the Treatment of Alzheimer′s Disease.
Authors: XIA Y. , KOZIKOWSKI A. P.
Published: May 2016

The preparation of the title compound (XIX) according to the scheme represents the first total synthesis of this alkaloid.
ChemInform Abstract: C‐C Activation of Phosphaalkynes by Bare Iron(I) Cations in the Gas Phase.
Authors: ELLER K. , DREWELLO T. , ZUMMACK W. , ALLSPACH T. , ANNEN U. , REGITZ M. , SCHWARZ H.
Published: May 2016

It is demonstrated for the first time that the gas phase chemistry of Fe+ complexes of phosphaalkynes (I) is distinct from that of analogous nitriles and isonitriles.
ChemInform Abstract: Electronic Structure of the Oxidation Catalyst cis‐(RuIV(bpy)2(py)(O))(ClO4)2.
Authors: DOBSON J. C. , HELMS J. H. , DOPPELT P. , SULLIVAN B. P. , HATFIELD W. E. , MEYER T. J.
Published: May 2016

The temp. variation of the magnetic susceptibility of the title complex (bpy: 2,2'‐bipyridine) is determined in the solid state and in CD3CN by 1H NMR measurements.
ChemInform Abstract: Synthesis of Vicinal Bromoalkylamines Containing a Trifluoromethyl Group.
Authors: IGNATOVA YU. L. , KARIMOVA O. V. , KIL'DISHEVA O. V.
Published: May 2016

The compounds (III) mentioned in the title are prepared by reaction of the bromotrifluoropropene (I) with ammonia (IIa) or the amines (IIb) ‐(IId).
ChemInform Abstract: Synthesis of Pyrroles, a Diazepinedione and Substituted 3‐Aminoacrylonitriles by Reaction of Bisalkylthioacrylonitriles with α‐Amino Acid Derivatives.
Authors: ERDMANN B. , KNOLL A. , LIEBSCHER J.
Published: May 2016

The reaction of a series of 3,3‐bisalkylthioacrylonitriles such as (I) with derivatives of α‐amino acids, cf.
ChemInform Abstract: Paraffin Isomerization and Disproportionation Catalyzed by Pd‐Loaded Fluorided Mordenites.
Authors: MANESS J. A. JUN. , DOOLEY K. M.
Published: May 2016

The partial replacement of OH groups in Pd‐mordenite by treatment with fluoride increases the acidic strength of the acid sites but does not drastically change the average crystal size.
ChemInform Abstract: Mild Hydrogenolysis Process by Catalytic Transfer Hydrogenation.
Authors: BIANCO A. , PASSACANTILLI P. , RIGHI G.
Published: May 2016

Various allylic acetates such as (I) or (III) react with cyclohexene in the presence of palladium hydroxide to give selective reduction products such as (II) or (IV).
ChemInform Abstract: Synthesis of 2‐Alkyl‐Substituted 1,3‐Diketones via the 1,4‐Addition of the Grignard Reagents to α,β‐Unsaturated Imidates.
Authors: INOUE S. , SUZUKI O. , SATO K.
Published: May 2016

Treatment of the phenylacrylimidate (I) with the Grignard compounds (II) and subsequent hydrolysis afford the diketones (III).
ChemInform Abstract: Nucleophilic Addition of Difluoromethyl Phenyl Sulfone to Aldehydes and Various Transformations of the Resulting Alcohols.
Authors: STAHLY G. P.
Published: May 2016

The title reaction is performed in a two phase system using a phase‐transfer catalyst to give the sulfonyl alcohols (III).
ChemInform Abstract: Revised Structures, Benz(cd)indol‐2(1H)‐ones, for the Ring‐Contracted Cycloadducts from 1‐Substituted Cyclohepta(b)pyrrol‐2(1H)‐ones with Acetylenes.
Authors: MORI A. , TIAN G. R. , TAKESHITA H. , TAKEHIRO T. , ABE N.
Published: May 2016

UV and NMR investigations show that the title pyrrole derivatives (Ia) and (Ib) react to give the ring‐contracted products (III) and (VII), respectively.
ChemInform Abstract: (μ‐4,4′‐Dimethyl‐2,2′‐bipyridine)bis(pentacarbonylchromium): Isolation and Reactivity of a Novel Complex Relevant to Group 6 Metal Tetracarbonyl Chelate Formation.
Authors: CREAVEN B. S. , GREVELS F.‐W. , LONG C.
Published: May 2016

The dinuclear compound (III) seems to be the first example of a complex in which a 1,4‐diazadiene type ligand bridges two separate transition‐metal centers.
ChemInform Abstract: Interactions of Guanine Derivatives with Ethylenediamine and Diethylenetriamine Complexes of Palladium(II) in Solution: Pd Binding Sites of the Guanine Ring and Formation of a Cyclic Adduct, ((Pd(en)(guanine ring))4).
Authors: UCHIDA K. , TOYAMA A. , TAMURA Y. , SUGIMURA M. , MITSUMORI F. , FURUKAWA Y. , TAKEUCHI H. , HARADA I.
Published: May 2016

The interactions of the complexes (I) and (II) with the guanine derivatives (III) in aqueous solutions are investigated by IR, Raman, CD, NMR (1H, 15N, 31P) spectroscopy and by chromatography.
ChemInform Abstract: Synthesis and Pharmacology of a Series of 3‐ and 4‐(Phosphonoalkyl)pyridine(piperidine)‐2‐carboxylic Acids. Potent N‐Methyl‐D‐aspartate Receptor Antagonists.
Authors: ORNSTEIN P. L. , SCHAUS J. M. , CHAMBERS J. W. , HUSER D. L. , LEANDER J. D. , WONG D. T. , PASCHAL J. W. , JONES N. D. , DEETER J. B.
Published: May 2016

The hydroxyalkylpyridines (I) are transformed into the phosphonoalkyl‐substituted piperidinecarboxylic acids (IX) as shown in the reaction scheme.
ChemInform Abstract: Natural Products Chemistry. Part 124. Revised Structure and Synthesis of a New Acridone Alkaloid, Hallacridone from Ruta graveolens Tissue Cultures.
Authors: REISCH J. , GUNAHERATH G. M. K. B.
Published: May 2016

The synthesis of the dione (IX) by two different routes reveals the previously proposed structure of hallacridone to be incorrect.
ChemInform Abstract: The Equation of State of Dense Liquid Iodine up to 1000 °C and 200 MPa.
Authors: ERDMANN R. , SCHMUTZLER R. W.
Published: May 2016

Density measurements of liquid iodine from near melting curve to 1000 °C and 200 MPa, performed in an internally heated autoclave by a dilatometric method, show that liquid iodine remains a normal molecular liquid along its liquid‐vapor coexistence curve.
ChemInform Abstract: Phase Formation from Sulfuric Solutions of Titanium(IV) in the Presence of Potassium Fluoride.
Authors: GODNEVA M. M. , OKHRIMENKO R. F. , MOTOV D. L. , RYS'KINA M. P. , SHUL'GINA M. P.
Published: May 2016

The system TiOSO4·2 H2O‐H2SO4‐KF·2 H2O is investigated.
ChemInform Abstract: Vibrational Study of CO‐ 2 on K‐Promoted Pt(111).
Authors: LIU Z. M. , ZHOU Y. , SOLYMOSI F. , WHITE J. M.
Published: May 2016

High‐resolution electron energy loss spectroscopy, AES, and TPD are used to investigate the CO2 adsorption on K‐doped Pt(111) at low temp. and to evaluate surface complexes formed in reactions of the adlayers at higher temperatures.
ChemInform Abstract: Dispersion Studies on the System La2O3/γ‐Al2O3.
Authors: BETTMAN M. , CHASE R. E. , OTTO K. , WEBER W. H.
Published: May 2016

The dispersion of La2O3, which appears to be the best of the known additives for inhibiting sintering of high‐surface‐area aluminas, in substrates consisting largely of γ‐Al2O3 with minor components of transition aluminas (σ‐ and Θ‐Al2O3) is studied by CO chemisorption, AES, Raman spectroscopy, and XRD.
ChemInform Abstract: Nature of Catalytic Activity of Nickel and Platinum Graphimets.
Authors: SIROKMAN G. , MASTALIR A. , MOLNAR A. , BARTOK M. , SACHAY Z. , GUCZI L.
Published: May 2016

The results of XPS, TEM, XRD, and DSC investigations as well as surface area measurements, and activity tests indicate that Ni graphimet (transition metal intercalated graphite) is not a uniform material.
ChemInform Abstract: A Comparison of Catalysts Derived from Oxidation of Ru4Th7 with Impregnated Ru/ThO2 Catalysts
Authors: HUANG C.‐S. , HOUALLA M. , HERCULES D. M. , KIBBY C. L. , PETRAKIS L.
Published: May 2016

is performed by ESCA, ISS, XRD, chemisorption, and gravimetric measurements.
ChemInform Abstract: Caged and Uncaged Ruthenium(II)‐Polypyridine Complexes. Comparative Study of the Photochemical, Photophysical, and Electrochemical Properties.
Authors: BARIGELLETTI F. , DE COLA L. , BALZANI V. , BELSER P. , VON ZELEWSKY A. , VOEGTLE F. + , EBMEYER F. , GRAMMENUDI S.
Published: May 2016

The absorption spectra, emission spectra, luminescence lifetimes, luminescence quantum yields, luminescence quenching by dioxygen, photochemical behavior, and redox potentials of the complexes (II) and (III) are studied and compared with those of the parent compounds (I).
ChemInform Abstract: Rotamer Distribution Control and Double Michael Addition for Cyclopentane Annulation with Superb Selectivity.
Authors: SAITO S. , HIROHARA Y. , NARAHARA O. , MORIWAKE T.
Published: May 2016

Michael addition of Grignard reagents (II) to (I) leads to only one enantiomer (III) as does the addition of Li salt (IV) (→ (V)).
ChemInform Abstract: Bicyclization of Unsaturated Hydrazones Mediated by Zirconocene Complexes. A New Anellation Strategy Based on the Reductive Cocyclization of Azomethine Linkages with Carbon‐Carbon Multiple Bonds.
Authors: JENSEN M. , LIVINGHOUSE T.
Published: May 2016

The zirconocene‐imine complex (III) derived from the imine (I) undergoes cocyclization with the alkynes (IV) to give the five‐membered cycles (V), which are transformed into the amides (VII).
ChemInform Abstract: Thermal and Photochemical Rearrangements of Methyliridium Phosphido Complexes: Formation of a Cyclometalated Hydride by α‐Abstraction of a Coordinated Alkyl Ligand.
Authors: FRYZUK M. D. , JOSHI K. , CHADHA R. K.
Published: May 2016

The thermally unstable complex (I) rearranges to give (II) in high yield (numerical value not given), which crystallizes in P21/c with Z=4.
ChemInform Abstract: Photolysis of 2‐Alkoxy‐δ3‐1,3,4‐oxadiazolines. A New Route to Diazoalkanes.
Authors: MAJCHRZAK M. W. , BEKHAZI M. , TSE‐SHEEPY I. , WARKENTIN J.
Published: May 2016

Irradiation of the oxadiazolines (III), prepared by oxidative ring closure of the hydrazides (I), gives the unstable diazoalkanes (IV).
ChemInform Abstract: Some Reactions and Properties of Molecular C2. An Experimental and Theoretical Treatment.
Authors: SKELL P. S. , JACKMAN L. M. , AHMED S. , MCKEE M. L. , SHEVLIN P. B.
Published: May 2016

Diatomic carbon and propene (I) are cocondensed at 77 K and warmed up to room temp. yielding the addition products (III)‐(VII) which are accompanied by the adducts of C1 and C3 to (I).
ChemInform Abstract: Determination of the Mechanism for Ethylidyne Formation from Chemisorbed Ethylene on Transition‐Metal Surfaces.
Authors: ZAERA F.
Published: May 2016

The title reaction is carried out with a 3:1 mixture of CD2=CD2 and CH2=CH2 on Pt(111).
ChemInform Abstract: Flavin‐Catalyzed Oxidation of Amines and Sulfur Compounds with Hydrogen Peroxide.
Authors: MURAHASHI S.‐I. , ODA T. , MASUI Y.
Published: May 2016

Treatment of 4a‐hydroxy‐5‐ethylflavin (4a‐FlEtOH) with 30% aqueous H2O2 (10 equiv.) in MeOH leads to 4a‐FlEtOOH in 82% isolated yield which effects monooxidation of substrates by returning to 4a‐FlEtOH.
ChemInform Abstract: Reactions of Carbonyl Compounds with Grignard Reagents in the Presence of Cerium Chloride.
Authors: IMAMOTO T. , TAKIYAMA N. , NAKAMURA K. , HATAJIMA T. , KAMIYA Y.
Published: May 2016

Anhydrous CeCl3 significantly promotes addition reactions of Grignard reagents to carbonyl compounds with remarkable suppression of abnormal reactions.
ChemInform Abstract: Polyfluoroalkylation of Bromoaromatic Compounds via Perfluoroalkylcopper Intermediates.
Authors: CHEN G. J. , TAMBORSKI C.
Published: May 2016

The scope of the title reaction is investigated.
ChemInform Abstract: Sodium Perborate: A Mild and Convenient Reagent for Efficiently Oxidizing Trialkylboranes.
Authors: KABALKA G. W. , SHOUP T. M. , GOUDGAON N. M.
Published: May 2016

The trialkylboranes (I) are oxidized with sodium perborate to form the alcohols (II).
ChemInform Abstract: Anodic Oxidation of Perfluorohexyl Bromide in Fluorosulfuric Acid.
Authors: GERMAIN A. , BRUNEL D. , MOREAU P.
Published: May 2016

Electrochemical oxidation of the perfluorohexyl bromide (I) is achieved in the presence of potassium fluorosulfate in fluorosulfuric acid (II) to give the perfluorohexyl fluorosulfate (III).
ChemInform Abstract: (2+1) Cycloaddition of Chloro(phenylthio)carbene to Vinyl Silanes. A Facile Synthesis of Highly Functionalized Cyclopropanes.
Authors: SCHAUMANN E. , FRIESE C. , ADIWIDJAJA G.
Published: May 2016

The vinylsilanes (I) react with the carbene (II) (generated from dichloromethyl(phenyl)sulfide under phase transfer conditions) to give the silylcyclopropanes (III) with exclusive or predominating (Z) configuration.
ChemInform Abstract: Trifluoroacetaldehyde Thioacetals.
Authors: PURRINGTON S. T. , SAMAHA N. F.
Published: May 2016

Thioacetals such as (III) derived from trifluoroacetaldehyde cannot be used for transfer of a nucleophilic trifluoromethyl acyl group.
ChemInform Abstract: Metacyclophanes and Related Compounds. Part 23. Preparation of Fluorinated (2.2)Metacyclophanes.
Authors: TASHIRO M. , FUJIMOTO H. , TSUGE A. , MATAKA S. , KOBAYASHI H.
Published: May 2016

The fluorinated (2.2)‐metacyclophanes (V) are prepared via Ramberg‐Baecklund ring contraction of the bissulfones (IV) as outlined in the reaction scheme.
ChemInform Abstract: Synthesis and Some Properties of 4,5‐Dihydrofurfurol.
Authors: LOZANOVA A. V. , SURKOVA A. A. , MOISEENKOV A. M.
Published: May 2016

4,5‐Dihydrofurfurol (III), prepared from dihydrofuran (I) by lithiation and subsequent formylation, undergoes Diels‐Alder reaction with dimethylbutadiene (IV), yielding the cis‐formylhexahydrobenzofuran (V).
ChemInform Abstract: Synthesis and Antihypertensive Activity of Some 1,3,4‐Thiadiazole Derivatives.
Authors: VIO L. , MAMOLO M. G. , LANEVE A.
Published: May 2016

The thiosemicarbazides (I) are cyclized with formic acid (II) upon heating to give the thiadiazoles (III).
ChemInform Abstract: Application of 1,2,2,6,6‐Pentamethyl‐3,5‐dimethylene‐4‐piperidone in the Synthesis of Saturated Heterocycles.
Authors: SHAPIRO A. B. , BELOSTOTSKII A. M.
Published: May 2016

The pentamethyldimethylenepiperidone (I) is coupled with aniline (II), hydrogen sulfide (IV), or hydrazobenzene (VI) to give the diisopropylidene heterocycles (III), (V), or (VII).
ChemInform Abstract: Synthesis of 1‐Trifluoromethyl‐β‐carboline Derivatives.
Authors: MAKI Y. , KIMOTO H. , FUJII S. , NISHIDA M. , COHEN L. A.
Published: May 2016

Cyclocondensation of the tryptamines (I) with trifluoroacetaldehyde ethyl hemiacetal (II) yields the 1‐trifluoromethyltetrahydro‐β‐carbolines (III).
ChemInform Abstract: Synthesis and Dopaminergic Activity of 2‐Substituted Octahydrobenzo(f)quinolines.
Authors: CRAIG J. C. , TORKELSON S. M. , FINDELL P. R. , WEINER R. I.
Published: May 2016

The compounds mentioned in the title are synthesized as partly outlined in the reaction scheme and their dopamine agonist activities are evaluated.
ChemInform Abstract: 1,4‐Disubstituted 1,3‐Dihydro‐2H‐1,5‐benzo‐ and ‐chlorobenzodiazepin‐2‐ones with Activity on the Central Nervous System (CNS).
Authors: SAVELLI F. , BOIDO A. , MULE A. , PIU L. , ALAMANNI M. C. , PIRISINO G. , SATTA M. , PEANA A.
Published: May 2016

The benzodiazepinones (III) are prepared by ring closure reaction of the o‐phenylenediamines (I) with the β‐keto esters (II).
ChemInform Abstract: Angiotensin‐Converting Enzyme Inhibitors. Part 3. Synthesis of 1,4‐Thiazepine Derivatives Having Angiotensin‐Converting Enzyme Inhibitory Property.
Authors: YANAGISAWA H. , ISHIHARA S. , ANDO A. , KANAZAKI T.
Published: May 2016

Starting with the 1,4‐thiazepine (I), the potent angiotensin‐converting enzyme (ACE) inhibitor (XI) is synthesized.
ChemInform Abstract: Kinetic Stabilization of Silabenzene: Matrix Isolation and Characterization of 2,4,6‐Tris(trialkylsilyl)‐Substituted 1‐tert.‐Butyl‐1‐silabenzene.
Authors: JUTZI P. , MEYER M. , REISENAUER H. P. , MAIER G.
Published: May 2016

High‐vacuum pyrolysis of the silacyclohexadienes (I) yields the 1‐silabenzoles (II) with elimination of the ether (III).
ChemInform Abstract: Skeletally Stabilized Triphosphazanes: New Classes of Linear Phosphazanes.
Authors: BARENDT J. M. , BENT E. G. , HALTIWANGER R. C. , NORMAN A. D.
Published: May 2016

The P‐N skeleton of the linear triphosphazane (III) prepared as shown is stabilized by incorporation into a 1,3,2‐diazaphosphole unit.
ChemInform Abstract: Structural Investigation of the Hydrolysis‐Condensation Process of Titanium Alkoxides Ti(OR)4 (OR: OiPr, OEt) Modified by Acetylacetone. Part 2. From the Modified Precursor to the Colloids.
Authors: LEAUSTIC A. , BABONNEAU F. , LIVAGE J.
Published: May 2016

The modified precursor (I) is used to prepare, via a sol‐gel route, stable TiO2‐based colloids over a wide pH range.
ChemInform Abstract: Oxomolybdenum(IV,V,VI) Complexes: Structures, Reactivities, and Criteria of Detection of Binuclear (μ‐Oxo)molybdenum(V) Products in Oxygen Atom Transfer Systems.
Authors: CRAIG J. A. , HARLAN E. W. , SNYDER B. S. , WHITENER M. A. , HOLM R. H.
Published: May 2016

A series of dioxo‐Mo(VI) complexes of Schiff base ligands (I), such as (IV) and (V), are prepared.
ChemInform Abstract: Triangular Trinuclear Cluster Compounds: Molybdenum and Tungsten Complexes of the Type (M3S4(diphos)3X3)+ with X: Cl and H.
Authors: COTTON F. A. , LLUSAR R. , EAGLE C. T.
Published: May 2016

The trichloro cluster compounds (Ia)‐(Ic) are prepared from MoCl3(THF)3 or WCl4, NaSH and the diphosphine ligand in THF.
ChemInform Abstract: Synthesis and Structure of the First Example of a Four‐Electron Donor, Side‐On Bridging Thiocarbonyl Ligand.
Authors: DOYLE R. A. , DANIELS L. M. , ANGELICI R. J. , STONE F. G. A.
Published: May 2016

An X‐ray structure determination of the complex (III) (space group P1, Z=2), prepared as shown, reveals a side‐on bonded bridging CS ligand in this complex.
ChemInform Abstract: A Novel Route to Vinylidene Complexes, and Metal‐Induced Coupling of Two Vinylidene Units to Butatriene Complexes.
Authors: SCHUBERT U. , GROENEN J. +
Published: May 2016

A novel method for the synthesis of vinylidene complexes is exemplified for Mn and Cr complexes such as (III) and (VI).
ChemInform Abstract: Coupling of Iminoacyl Groups to Diazabutadienes on Manganese Carbonyl Complexes.
Authors: MOTZ P. L. , WILLIAMS J. P. , ALEXANDER J. J. , HO D. M. , RICCI J. S. , MILLER W. T. JUN.
Published: May 2016

The p‐tolylisocyanide acyl manganese complexes (I) couple in refluxing THF with C‐C bond formation to yield the diazabutadiene complexes (II).
ChemInform Abstract: Use of Very Crowded Silylamide Ligands ‐N(SiMenPh3‐n)2(n = 0, 1, or 2) To Synthesize Crystalline, Two‐Coordinate Derivatives of Mn(II), Fe(II), and Co(II) and the Free Ion (Ph3SiNSiPh3)‐.
Authors: CHEN H. , BARTLETT R. A. , DIAS H. V. R. , OLMSTEAD M. M. , POWER P. P.
Published: May 2016

Lithiation of the disilylamines (I) ((Ia): space group P21/n, Z=4) in THF without or in the presence of 12‐crown‐4 results in formation of the monomeric Li solvates (IV) (for both space group C2/c; Z=4) and (V) (Pbcn, Z=4) as well as the salt (VI).
ChemInform Abstract: Active Site Model of Urease: Synthesis, Structure, and Magnetic Properties of a Binuclear Ni(II) Complex Containing a Polyimidazole Ligand.
Authors: BUCHANAN R. M. , MASHUTA M. S. , OBERHAUSEN K. J. , RICHARDSON J. F. , LI Q. , HENDRICKSON D. N.
Published: May 2016

Biologically relevant ligands such as imidazoles, phenolate and acetate ions are employed in this study to model the active site of urease because they approximate the amino acid residues presumed to be bound to the Ni(II) ion.
ChemInform Abstract: Mixed Platinum‐Rhodium Carbonyl Clusters. Synthesis and Chemical Characterization of the (PtRh6(μ3‐CO)3(μ‐CO)5(CO)8)2‐ Anion and X‐Ray Crystal Structure of Its Tetrapropylammonium Salt.
Authors: FUMAGALLI A. , MARTINENGO S. , GALLI D. , ALBINATI A. , GANAZZOLI F.
Published: May 2016

The title cluster dianion is obtained by several synthetic routes, particularly by redox condensation of the PPN salts (I) and (II).
ChemInform Abstract: Asymmetric Synthesis of Amino Acids by Catalytic Reduction of Substituted Acylaminoacrylic Acid Azlactones. Part 21. Catalytic Asymmetric Synthesis of N‐Acyl‐p‐difluoromethoxyphenylalanine Phenylethylamides.
Authors: GODUNOVA L. F. , LEVITINA E. S. , KARPEISKAYA E. I. , KLABUNOVSKII E. I. , YAGUPOL'SKII YU. L. , KOLYCHEVA M. T.
Published: May 2016

Catalytic reduction of the azlactones (I) in the presence of (S)‐(‐)‐α‐phenylethylamine (S)‐(‐)‐(II) predominantly gives the phenylalanine amides (III) with a diastereomeric excess of the (SS) diastereomers up to 47% depending on the solvent.
ChemInform Abstract: Enzymatic Synthesis of Various 1′‐O‐Sucrose and 1‐O‐Fructose Esters.
Authors: CARREA G. , RIVA S. , SECUNDO F. , DANIELI B.
Published: May 2016

A crude preparation of the proteolytic enzyme subtilisin is capable of catalyzing the regioselective esterification of sucrose (I) in anhydrous DMF yielding, e.g., the esters (III).
ChemInform Abstract: Cyclization of Dialkyl Dithioacetals of L‐Arabinose Through the 5‐Tosylates.
Authors: JARVI E. T. , METCALF B. W.
Published: May 2016

Reaction of the arabinose dithioacetals (I) with tosyl chloride (II) and subsequent base‐induced cyclization yield a mixture of the new anhydro derivatives (IV) and (V).
ChemInform Abstract: Stereoselective 1,2‐cis Glycosylation Reaction of 1‐O‐Acetylribose with Silylated Nucleophiles by the Promotion of a New Catalyst System.
Authors: MUKAIYAMA T. , SHIMPUKU T. , TAKASHIMA T. , KOBAYASHI S.
Published: May 2016

The glycosylation reaction of 1‐O‐acetylribose is investigated under various conditions, using 3‐β‐cholestanol and a variety of silylated nucleophiles.
ChemInform Abstract: Synthesis and Antiproliferative Effects of Novel 5′‐Fluorinated Analogues of 5′‐Deoxy‐5′‐(methylthio)adenosine.
Authors: SUFRIN J. R. , SPIESS A. J. , KRAMER D. L. , LIBBY P. R. , PORTER C. W.
Published: May 2016

Reaction of the adenosine sulfoxide (III), prepared by protection of (I) with acetanhydride (II), reacts with (dimethylamino)sulfur trifluoride to give the fluoro compounds (IV) and (V), together with (VI).
ChemInform Abstract: Synthesis and Biological Evaluation of Certain C‐4‐Substituted Pyrazolo(3,4‐b)pyridine Nucleosides.
Authors: SANGHVI Y. S. , LARSON S. B. , WILLIS R. C. , ROBINS R. K. , REVANKAR G. R.
Published: May 2016

The halofuranoses (I), (IV), and (VI) are coupled with the pyrazolopyridines (II) and subsequently deprotected to give the nucleosides (III), (V), (VII), and (VIII).
ChemInform Abstract: Synthesis of 5‐(1‐Hydroxy(or Methoxy)‐2‐bromo(or chloro)ethyl)‐2′‐deoxyuridines and Related Halohydrin Analogues with Antiviral and Cytotoxic Activity.
Authors: KUMAR R. , WIEBE L. I. , HALL T. W. , KNAUS E. E. , TOVELL D. R. , TYRRELL D. L. , ALLEN T. M. , FATHI‐AFSHAR R.
Published: May 2016

The deoxyuridines (I) react with the succinimides (II) to give the compounds (III).
ChemInform Abstract: Silver Substitution in Pb2Sr2Y1‐yCayCu3O8 (y = 0, 0.25).
Authors: JAMES A. C. W. P. , MURPHY D. W.
Published: May 2016

It is demonstrated that single‐phase materials of composition Pb2Sr2YCu3‐xAgxO8 can be prepared for x ≤ 0.55 and that Ag in these materials is located at the linear Cu(I) sites of the Pb2Sr2YCu3O8 structure.
ChemInform Abstract: FAB Mass Spectrometry of Palladium(II) Derivatives with 1,4‐Benzodiazepin‐2‐ones: Evidence of the Stability of Cyclometallated Species.
Authors: CINELLU M. A. , MINGHETTI G. , BANDITELLI G. , BANDINI A. L. , PELLI B. , TRALDI P.
Published: May 2016

The main gas‐phase fragmentation pathways of (I) consists in sequential HCl losses, while for compounds (II) only primary Cl· loss is observed.
ChemInform Abstract: Electrochemistry of Nickel “Picket Fence” Porphyrin. Electrogeneration and Spectral Characterization of Nickel Complexes in Unusual Oxidation States.
Authors: KADISH K. M. , SAZOU D. , MAIYA G. B. , HAN B. C. , LIU Y. M. , SAOIABI A. , FERHAT M. , GUILARD R.
Published: May 2016

The electrochemical and spectroelectrochemical characterization of (I), prepared in 70% yield from the ligand and NiCl2·6 H2O in refluxing DMF, is carried out in CH2Cl2, THF and benzonitrile.
ChemInform Abstract: Very High Chemoselective, Regioselective, and E‐Stereoselective 1,3‐Chirality Transfer Involving Reaction of Acyclic (E)‐ and (Z)‐γ‐Mesyloxy α,β‐Enoates and Organocyanocopper‐Trifluoroborane Reagents. Efficient Synthetic Routes to Functionalized Chiral α‐Alkyl (E)‐β,γ‐Enoates and (E)‐Allylic Alcohols with High Optical Purity.
Authors: IBUKA T. , TANAKA M. , NISHII S. , YAMAMOTO Y.
Published: May 2016

Starting from L‐ or D‐threonine (I) or (VIII) the stereoisomeric (E)‐β,γ‐enolates (IV)‐(VII) are prepared, as shown for (IV) and (VI), by organocopper reaction of the corresponding γ‐mesyloxy‐α,β‐enoates such as (II) or (IX).
ChemInform Abstract: Thermal Ring‐Splitting Reactions of Diarylcyclobutanes: Significance of Steric Effects on Orbital Interactions in Transition States and Biradical Intermediates.
Authors: YASUDA M. , YOSHIDA K. , SHIMA K. , PAC C. , YANAGIDA S.
Published: May 2016

Regiochemistry and reactivities in the thermal ring‐cleavage reactions of the diarylcyclobutanes (I), (III), (V), (VIII), and (XI) are studied.
ChemInform Abstract: Catalytic Transfer Hydrogenation, a Facile Conversion of Hydroxyflavanones into Hydroxydihydrochalcones.
Authors: KRISHNAMURTY H. G. , SATHYANARAYANA S.
Published: May 2016

Reductive cleavage of the flavonones naringenin (Ia), eriodictyol (Ib), and hesperetin (Ic) to give the dihydrochalcones (II) is achieved with sodium formate/formic acid in refluxing isopropanol in the presence of palladium on charcoal.
ChemInform Abstract: TDA‐1 Catalysis in Smiles Rearrangement of N‐Arylphenoxyamides. Accelerating Effect of the 2,4,6‐Trichloro Substitution.
Authors: GREINER A.
Published: May 2016

Treatment of the (N‐pyridyl)trichlorophenoxyacetamide (I) with the alkylation agents (II) in the presence of tris(3,6‐dioxaheptyl)amine gives the tertiary amines (III) via Smiles reaction.
ChemInform Abstract: Further Functional Group Oxidations Using Sodium Perborate.
Authors: MCKILLOP A. , KEMP D.
Published: May 2016

Sodium perborate is shown to be an effective reagent for the oxidation of aromatic aldehydes (I), iodoarenes (III), sulfur heterocycles (VI) and azines (VIII).
ChemInform Abstract: Allene Ethers for the Cationic Cyclopentanellation.
Authors: TIUS M. A. , OUSSET J.‐B. , ASTRAB D. P. , FAUQ A. H. , TREHAN S.
Published: May 2016

The propargylic ethers (I) are rearranged upon treatment with potassium tert‐butoxide to yield the allene derivatives (II).
ChemInform Abstract: Studies in the Pyridine Series. Part 58. Condensation Reactions of 2,4‐ and 2,6‐Dimethylpyridines and Their 1‐Oxides.
Authors: SILHANKOVA A. , HULVOVA J. , TRSKA P. , FERLES M.
Published: May 2016

Bis‐arylethenylpyridine N‐oxides such as (III) or (V) are prepared from the dimethylpyridine N‐oxide (I); the "mono" product (VI) is additionally formed in the latter case.
ChemInform Abstract: Diastereoselective Synthesis of α‐Alkyl‐β‐hydroxy Thioacetals by Chelation‐Controlled Addition to α‐Hydroxy Ketene Thioacetals.
Authors: SATO T. , NAKAKITA M. , KIMURA S. , FUJISAWA T.
Published: May 2016

The protected dithianylpropanediol (I) is treated with an excess of the organolithium compounds (II) in two steps, yielding selectively the syn‐isomers of the α‐substituted β‐hydroxy ketene dithioacetals (IV).
ChemInform Abstract: Reaction of Dimethylformamide Dimethyl Acetal with Methyltriphenoxyphosphonium Iodide.
Authors: NESTEROV L. V. , KREPYSHEVA N. E.
Published: May 2016

The DMF acetal (I) is coupled with the phosphonium salt (II) to give the diphenyl methylphosphonate (III), the phosphorane (IV), DMF (V), and methyl iodide (VI).
ChemInform Abstract: Lithio‐di‐tert‐butylfluorosilylphenylphosphane. A (SiFLiP)2 Eight‐Membered Ring in the Crystal.
Authors: STALKE D. , MEYER M. , ANDRIANARISON M. , KLINGEBIEL U. , SHELDRICK G. M.
Published: May 2016

Reaction of the phosphane (I) with the lithium reagent (II) gives the eight‐membered ring (III) which releases LiF at temperatures above 0°C, forming the four‐membered ring (IV).
ChemInform Abstract: Tetrakis(pyridine)tetrachloro(μ‐chloro)(μ‐hydrido)ditungsten(W‐W) and Its 4‐Ethylpyridine Homologue. Compounds Derived from a Quadruply Bonded Dimer by Ligand Exchange and Oxidative Addition of Hydrogen Chloride.
Authors: CARLIN R. T. , MCCARLEY R. E.
Published: May 2016

The title complex (Va) is obtained starting with the quadruply bonded dimer (I) shown in the scheme and converted into its ethylpyridine analogue (Vb) (no yield given) by ligand exchange.
ChemInform Abstract: Xanthine and Hypoxanthine Complexes with Cobalt(II) Halides.
Authors: MIKULSKI C. M. , GROSSMAN S. , BAYNE M. L. , GAUL M. , STALEY D. L. , RENN A. , KARAYANNIS N. M.
Published: May 2016

The complexes (I) and (II) are obtained by refluxing 2:1 molar mixtures of the ligands and Co halides in triethyl orthoformate‐ethylacetate for one week.
ChemInform Abstract: Plants from New Caledonia. Part 128. 17ξ‐Hydroxy‐dehydrovoachalotines, Novel Alkaloids from Alstonia undulata Guillaumin (Apocynaceae).
Authors: MORFAUX A.‐M. , GUILLAUME D. , MASSIOT G. , LE MEN‐OLIVIER L.
Published: May 2016

The structure of the title compounds (I) is determined by comparison of the spectral data with those of dehydrovoachalotine and by a short synthesis of (I) from vincamajine.
ChemInform Abstract: Formation of a Cyclopropyl Eicosanoid via an Allene Oxide in the Coral Plexaura homomalla: Implications for the Biosynthesis of 5,6‐trans‐Prostaglandin A2.
Authors: BAERTSCHI S. W. , BRASH A. R. , HARRIS T. M.
Published: May 2016

Incubation of arachidonic acid (I) with an acetone powder of the title coral leads to the formation of the title cyclopropyl eicosanoid (III) (no yield given) and several other products.
ChemInform Abstract: Coenzyme Models. Part 47. Synthesis and Reactivity Studies of Novel Flavinophanes and 5‐Deazaflavinophanes: Correlation Between Flavin Reactivity and Ring Strain.
Authors: SHINKAI S. , KAWASE A. , YAMAGUCHI T. , MANABE O. , WADA Y. , YONEDA F. , OHTA Y. , NISHIMOTO K.
Published: May 2016

The new flavinophanes (VII) and 5‐deazaflavinophanes (XI) are synthesized as shown in the scheme and their molecular structure is studied and discussed on the basis of 1H NMR and UV spectra, X‐ray crystallographic data for (VIIa) (P1; Z=2) and an ab initio MO calculation of 10‐phenylisoalloxazine.
ChemInform Abstract: The Structure of Concentrated Aqueous Ammonium Nitrate Solutions
Authors: WALKER P. A. M. , LAWRENCE D. G. , NEILSON G. W. , COOPER J.
Published: May 2016

(18 and 20 M in heavy water) is determined from neutron diffraction data applying the first‐order difference method of isotopic substitution.
ChemInform Abstract: Lithium‐Sulfur Battery: Evaluation of Dioxolane‐Based Electrolytes.
Authors: PELED E. , STERNBERG Y. , GORENSHTEIN A. , LAVI Y.
Published: May 2016

The conductivity of LiClO4 electrolytes consisting of mixtures of THF, toluene, and dioxolane is measured over the temp. range ‐30 to +60 °C and the compatibility of Li with these electrolytes is studied.
ChemInform Abstract: The Electrochemical Behavior of Platinum and Iridium in Lead Orthosilicate Melts
Authors: NISHIKATA A. , PETUSKEY W. T.
Published: May 2016

2 PbO·SiO2, is studied between 850 and 900 °C by means of cyclic voltammetry and current‐reversal chronopotentiometry.
ChemInform Abstract: Reactivity of AlPO4‐5 and the Origin of Its Hydrophilic Property.
Authors: ENDOH A. , MIZOE K. , TSUTSUMI K. , TAKAISHI T.
Published: May 2016

The concentration of the hydrophilic sites in AlPO4‐5 is determined by measuring the heat of adsorption of H2O calorimetrically and its reactivity by using the isotope exchange reaction of 18O between C18O2 and the framework oxygen.
ChemInform Abstract: Effect of Ion Bombardment on the Chemical Reactivity of Gallium Arsenide(100)
Authors: EPP J. M. , DILLARD J. G.
Published: May 2016

towards O2 and H2O is studied by XPS analysis of the exposed surfaces and the results are compared to those obtained for chemically (HCl/H2O) cleaned surfaces.
ChemInform Abstract: The Utility of tert.‐Butyldimethylsilane as an Effective Silylation Reagent for the Protection of Functional Groups.
Authors: YAMAMOTO K. , TAKEMAE M.
Published: May 2016

Treatment of compounds containing functional groups such as alcohols, e.g. (I), amines, e.g. (IV), or carboxylic acids, e.g. (VI), with the title reagent (II) in the presence of a catalytic amount of Pd‐C provides a new convenient method for the introduction of the tert.‐butyldimethylsilyl group.
ChemInform Abstract: Reactivity of New Precursors of Quinone Methides.
Authors: LOUBINOUX B. , MIAZIMBAKANA J. , GERARDIN P.
Published: May 2016

The ortho‐ (I) and para‐(acetoxymethyl)phenols (IV) are treated with the N‐nucleophiles (II) to form the substitution products (III) and (V) respectively.
ChemInform Abstract: Nonstabilized Azomethine Ylides Generated by Decarboxylative Condensation of α‐Amino Acids. Structural Variation, Reactivity, and Stereoselectivity.
Authors: KANEMASA S. , SAKAMOTO K. , TSUGE O.
Published: May 2016

A variety of enolizable aldehydes other than acetaldehyde, e.g. (II), can be used in the generation method of nonstabilized azomethine ylides such as (IV) by decarboxylative condensation of α‐amino acids such as (I).
ChemInform Abstract: Photolysis of Alcohols and Alkanones in Acetone Solutions. Photochemical (2 + 2)Cycloaddition Reaction Between Acetone and Aliphatic Enols.
Authors: SHIMIZU N. , MIYAHARA T. , MISHIMA M. , TSUNO Y.
Published: May 2016

Transient enols such as (III) or (VII) are formed from the photolysis of sec. alcohols such as (I) or (VI) in acetone solutions.
ChemInform Abstract: Oxidative Cleavage of Styrene with Oxygen Catalyzed by Phosphinoruthenium(II) Complexes.
Authors: BONALDO M. , BORIN F. , BRESSAN M. , MORVILLO A.
Published: May 2016

Styrene (I) is cleaved by oxygen in the presence of phosphinoruthenium(II) complexes as catalysts, forming benzaldehyde (II) and formaldehyde (III).
ChemInform Abstract: Addition‐Cyclizations of Ethoxycarbonyl Isothiocyanate with Hydrazine Derivatives as a Source of Thiadiazoles and Triazoles.
Authors: KURZER F. , SECKER J. L.
Published: May 2016

Reactions are reported of (I) with hydrazine (II), aminoguanidine, ethoxycarbonylhydrazine (VII), and the 3‐aminothiadiazole (XI).
ChemInform Abstract: Selective Oxidation of Alkanes and Ethers Mediated by Ruthenium(II) Complexes.
Authors: BRESSAN M. , MORVILLO A.
Published: May 2016

Oxidation of dipropyl ether (Ia) or tetrahydrofuran (Ib) with lithium hypochlorite in the presence of a ruthenium(II) catalyst in a biphasic system yields propyl propionate (IIa) or δ‐valerolactone (IIb).
ChemInform Abstract: Arenesulfonylamidation of α,ω‐Diarylpolymethylenes. ‐ The α,ω‐diarylalkanes (I), with at least three methylene units inserted between the aryl moieties, on treatment with phenylsulfonyldichloroamide (II) afford the α,ω
Authors: MOSKALENKO A. I. , KREMLEV M. M. , BARANOVSKAYA V. F.
Published: May 2016

‐bis(phenylsulfonylamido) derivatives (III) along with minor amounts of the α,ω‐bis‐imino derivatives (IV).
ChemInform Abstract: Synthesis of a Novel Diaminodithiol Ligand for Labeling Proteins and Small Molecules with Technetium‐99M.
Authors: MISRA H. K. , VIRZI F. , HNATOWICH D. J. , WRIGHT G.
Published: May 2016

The cyclic bisimine (III) is prepared from 1,3‐diamino‐2‐propanol (I) and the disulfide dialdehyde (II).
ChemInform Abstract: Substituent Effects in the Generation and Trapping of 1,2‐Dichloro‐3,3‐dialkylbut‐2‐en‐1‐ylidenes.
Authors: AL‐DULAYYMI J. , BAIRD M. S. , HUSSAIN H. H.
Published: May 2016

The dichlorocyclopropenes (I) undergo ring cleavage at low temperatures (20°C or below) to generate the carbenes (II).
ChemInform Abstract: Reaction of Phenylsubstituted Allyl Bromides with Bromoform Under Alkaline Phase‐Transfer Catalysis.
Authors: KHARICHEVA E. M. , MANDEL'SHTAM T. V. , SNEZHKO E. P.
Published: May 2016

The reaction between the diphenylallyl bromide (I) and dibromocarbene, generated from bromoform (II) under phase‐transfer catalysis conditions, affords the adduct (III) as the sole product whereas the monophenylallyl bromide (IV) yields a mixture of the acyclic adduct (V) and the cyclopropane (VI).
ChemInform Abstract: Benzamides and Haloacetamides of 2‐(β‐Cyanoethyl)cyclohexanone Methylimine.
Authors: KAYUKOVA L. A. , ERZHANOV K. B. , MANCHUK Z. N.
Published: May 2016

Aroylation as well as chloroacetylation of the title compound (I) proceeds regiospecifically to afford mixtures of the isomeric N‐acyl derivatives (III) and (IV).
ChemInform Abstract: Diastereocontrol of Thio‐Claisen Rearrangement Induced by an Adjacent Hydroxy‐Substituted Chiral Centre.
Authors: BESLIN P. , PERRIO S.
Published: May 2016

Rearrangement of the hydroxy ketene dithioacetals (III), prepared from the β‐hydroxy dithioesters (I), results in the predominant formation of the syn‐α‐allyl β‐hydroxy dithioates (IV) (syn:anti = 6:1 ‐ 24:1).
ChemInform Abstract: Synthesis and Reactions of Halo‐, Nitro‐, and Arylazo‐Substituted 3‐Cinnamoyltropolones. Formation of Styryl‐Substituted Heterocycle‐Fused Troponoid Compounds.
Authors: GAO W.‐T. , JIN Z.‐T. , YIN B.‐Z. , IMAFUKU K.
Published: May 2016

3‐Cinnamoyltropolone (I) is reacted with a wide range of different reagents.
ChemInform Abstract: Homoallylically Controlled Epoxidation of δ4‐cis‐1,2‐Disubstituted Cyclohexenes.
Authors: ROTELLA D. P.
Published: May 2016

The cis‐aminocyclohexenecarboxylic acid (I) is reduced to form the alcohol (II).
ChemInform Abstract: One‐Pot Synthesis of Tetrahydrofuran Derivatives from Allylic Alcohols and Vinyl Ethers by Means of Palladium(II) Acetate.
Authors: FUGAMI K. , OSHIMA K. , UTIMOTO K.
Published: May 2016

Reaction of alcohols such as (I) with the vinyl ether (II) in the presence of Pd(O‐Ac)2 affords furan derivatives such as (III)/(IV) in good yields.
ChemInform Abstract: p‐Diphenoquinone Analogues Extended by Dihydrothiophenediylidene Insertion: A Novel Amphoteric Multistage Redox System.
Authors: TAKAHASHI K. , SUZUKI T.
Published: May 2016

The deeply colored quinones (V) are prepared analogously to (IV) with subsequent desilylation and two‐phase oxidation with potassium ferricyanide in benzene or CH2Cl2.
ChemInform Abstract: Indole Derivatives. Part 131. Friedel‐Crafts Reaction of 1‐Acylindoles with Acetyl Chloride and Chloroacetyl Chloride.
Authors: SHNER V. F. , SLADKOVA T. N. , TURCHIN K. F. , SUVOROV N. N.
Published: May 2016

Friedel‐Crafts acylation of the 1‐acylindoles (I) with acetyl chloride (II) gives the 3‐acyl‐1‐acetylindoles (III).
ChemInform Abstract: Ring Transformation of 4‐Amino‐ and 4‐N‐(Substituted)amino‐1H‐1,5‐benzodiazepine‐3‐carbonitriles with Hydroxylamine. A New Synthesis of Benzimidazolidine and Isoxazole Derivatives.
Authors: OKAMOTO Y. , TAKAGI K.
Published: May 2016

In contrast to earlier reports the reaction product of (I) with hydroxylamine (II), i.e. (III), does not afford the isoxazole (IV) on treatment with dil.
ChemInform Abstract: Behavior of Amino Acids and Aliphatic Aldehydes in Dipolar Aprotic Solvents: Formation of Oxazolidinones.
Authors: ORSINI F. , PELIZZONI F. , FORTE M. , SISTI M. , BOMBIERI G. , BENETOLLO F.
Published: May 2016

The reaction of the cyclic amino acid (I) with aliphatic branched aldehydes affords the oxazolidinones (III) and (IVa) diastereoselectively.
ChemInform Abstract: Manganese(III)‐Mediated Synthesis of Spiro(4,4)nonane System Present in Fredericamycin A.
Authors: RAO A. V. R. , RAO B. V. , REDDY D. R. , SINGH A. K.
Published: May 2016

The fused lactones (I) are coupled with the aldehydes (II), yielding the carbinols (III) which undergo base‐catalyzed cyclization to form the 1,3‐diketones (IV).
ChemInform Abstract: Sesquibicyclic Hydrazines: Oxidation Thermodynamics and Cation Radical Nitrogen ESR Splittings and UV Absorption Maxima.
Authors: NELSEN S. F. , FRIGO T. B. , KIM Y.
Published: May 2016

Diels‐Alder addition of cyclohexadiene (II) to protonated diaza compounds (I), (IV), and (VII) yields cyclic diaza olefins (III), (V), and (VIII), respectively.
ChemInform Abstract: Azolopyrimidines and Pyrimidoquinazolines from 4‐Chloropyrimidines.
Authors: EL‐REEDY A. M. , ALI A. S. , AYYAD A. O.
Published: May 2016

The reaction of (II) with hydrazine (III) or aniline (X) leads to normal substitution products (IV) or (IX).
ChemInform Abstract: Synthesis and Spectral Data of Pyrido(2,3‐e)‐as‐triazines.
Authors: PLE N. , QUEGUINER G.
Published: May 2016

Reaction of hydrazine (II) with 2‐nitro‐3‐halopyridines (Ia), (Ib) is strictly dependent on halogen; whereas in (Ib) the nitro group is substituted, in (Ia) the fluorine is replaced (→ (III)), which is explained by MO calculations.
ChemInform Abstract: Synthesis of a New Class of Indole‐Containing Macrocycles.
Authors: BLACK D. ST. C. , CRAIG D. C. , KUMAR N.
Published: May 2016

Acid‐catalyzed coupling of the indole (I) with the aromatic aldehydes (II) yields the 2,2'‐diindolylmethanes (III).
ChemInform Abstract: Atropisomeric Sulfur Compounds in Organic Synthesis: Generation and Reactions of the Carbanions of Dinaphtho(2,1‐d:1′,2′‐f)(1,3)dithiepin and Its Oxides.
Authors: DELOGU G. , DE LUCCHI O. , LICINI G.
Published: May 2016

Oxidation of the dinaphthodithiepin (I) with peracids yields the sulfoxide (II) which is converted into its anion by treatment with butyllithium.
ChemInform Abstract: Reactions of Hydrogen Chloride and Boron Trichloride with (Trimethylsilyl)amino Groups.
Authors: PACIOREK K. J. L. , KRATZER R. H. , NAKAHARA J. H. , KRONE‐SCHMIDT W.
Published: May 2016

In view of boron nitride preceramic polymer precursors are needed for syntheses.
ChemInform Abstract: Anionic Rearrangement of the Germyl and Silyl Groups in (2‐(Trimethylgermyl)‐2‐(trimethylsilyl)ethyl)dimethylammonium N‐Methylide and Related Compounds.
Authors: INOUE S. , URAYAMA S. , SUGIURA H. , SATO Y.
Published: May 2016

The dimethylacetamides (I) are reduced by LiAlH4 to give the tertiary amines (II) which are quaternized by methyl iodide (III), forming the ammonium iodides (IV).
ChemInform Abstract: Reaction of Methylphosphonic Acids with Diluted Nitric Acid.
Authors: STRUNIN B. P. , KHIZBULLIN F. F.
Published: May 2016

Treatment of the bis(phosphonomethyl)amines (I) with diluted nitric acid gives the secondary amines (II).
ChemInform Abstract: Phosphorus Acid m‐Trifluoromethylphenylhydrazides and Regioselectivity During the Reaction of Arylhydrazido(thio)phosphates with Amidosulfenyl Chlorides.
Authors: GUSAR' N. I. , RANDINA L. V. , SHURUBURA A. K.
Published: May 2016

The chlorides (I), (IV), (VI), and (VIII) are coupled with the hydrazine (II) to give the hydrazides (III), (V), (VII), and (IX).
ChemInform Abstract: Influence of π‐Donation on N‐Methyl Group Exchange in Zirconocene N,N‐Dimethyldithiocarbamates and N,N‐Dimethylthiocarbamates.
Authors: FEMEC D. A. , SILVER M. E. , FAY R. C.
Published: May 2016

The kinetics of N‐methyl group exchange in complexes such as (I) and in (II) are studied by variable‐temp.
ChemInform Abstract: Metalation Reactions. Part 13. The Reactions of Electrophiles with the Dilithiated Species 1‐(α‐Lithiomethyl)‐2‐((α‐lithiomethyl)thio)benzene.
Authors: CABIDDU S. , FLORIS C. , GELLI G. , MELIS S.
Published: May 2016

Dimetalation of the thioether (I) with butyllithium (II) gives the dilithium compound (III) which reacts with various electrophiles such as (IV), (VI), and (VIII) to yield the corresponding disubstituted products (V), (VII), or (IX).
ChemInform Abstract: New Synthetic Cobalt Schiff Base Complexes as Oxygen Carriers.
Authors: CHEN D. , MARTELL A. E. , SUN Y.
Published: May 2016

The synthesis and O2 affinities of the new Co Schiff base complexes (I), (II) and (III) and the two complexes (IV) and (V) obtained by reduction of Schiff bases are reported and compared in a common solvent with well‐known Schiff bases complexes recently reported.
ChemInform Abstract: Formation in Solution, Synthesis and Crystal Structure of μ‐Oxalatobis(bis(2‐pyridylcarbonyl)amido)dicopper(II).
Authors: CASTRO I. , FAUS J. , JULVE M. , MOLLAR M. , MONGE A. , GUTIERREZ‐PUEBLA E.
Published: May 2016

Cu(II) promotes the hydrolysis of the triazine (I) yielding bis(pyridylcarbonyl)amido‐copper(II) complexes.
ChemInform Abstract: Cyclopalladated o‐Carboranes. Palladium Transfer from Cyclopalladated N,N‐Dimethylbenzylamines, 1C‐Diphenylphosphino‐o‐carborane and η3‐Allyls in Carboxylic Acid Solvents.
Authors: RYABOV A. D. , ELISEEV A. V. , SERGEENKO E. S. , USATOV A. V. , ZAKHARKIN L. I. , KALININ V. N.
Published: May 2016

As exemplified in the scheme for (Ia) the o‐carborane derivatives (I) yield bis‐adducts such as the trans complex (IV).
ChemInform Abstract: Synthesis of New Fluorescent Dyes in the Benzoxazinone Series: Aminobenzoxazinones with a Rigidified Structure.
Authors: LE BRIS M.‐T.
Published: May 2016

From 8‐hydroxyjulolidine (I) the 9‐amino derivative (IV) is prepared either via azo coupling (→ (IIIa)) or nitrosation (→ (IIIb); yield 60%) followed by reduction; it is extremely sensitive to air and is quickly oxidized to a compound presumed to be (V).