bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Organometallic Rhodium(III) Complexes as Catalysts for the Photoreduction of Protons to Hydrogen on Colloidal TiO2.
Authors: KOELLE U. + , GRAETZEL M. +
Published: May 2016

The photoreduction of protons to H2 by sunlight and colloidal TiO2 in the presence of the Rh(III) complexes (I) is possible without the participation of colloidal Pt and is not restricted to alkaline solution.
ChemInform Abstract: Separation, Characterization, and Stability of Products from cis‐PtCl2(NH3)2 and (PtCl(dien))Cl with 9‐Ethylguanine, Formed Under Neutral or Alkaline Conditions. Evidence for a Migration of the Platinum Moiety from N1 to N7.
Authors: VAN DER VEER J. L. , VAN DEN ELST H. , REEDIJK J.
Published: May 2016

Syntheses, separation by cation‐exchange chromatography, and characterization by 1H NMR spectra of various adducts obtained from the reaction of the monofunctional (PtCl(dien))Cl (dien: diethylenetriamine) and the bifunctional cis‐PtCl2(NH3)2 with 9‐ethylguanine (I) at pH 7 and pH 10.5 are reported.
ChemInform Abstract: Synthesis of Novel Unsaturated meso‐Tetraarylporphyrines.
Authors: ZHAMKOCHYAN G. A. , AKOPYAN M. E. , AKOPYAN L. M. , KURTIKYAN T. S.
Published: May 2016

The tetraarylporphyrines (Ia) ‐ (Ic), (Ie), and (If) are prepared as shown in the reaction scheme.
ChemInform Abstract: Retinoids. Part 9. Regulation of the 6‐s Equilibrium Conformation of Retinal in Bacteriorhodopsin by Substitution at C‐5; 5‐Methoxy‐ and 5‐Ethylretinalbacteriorhodopsin.
Authors: KOELLING E. + , OESTERHELT D. , HOPF H. , KRAUSE N.
Published: May 2016

5‐Methoxyretinal (IXa) is prepared from the ester (I) via threefold chain elongation.
ChemInform Abstract: Steroids and Related Natural Products. Part 107. Bufadienolides. Part 39. Synthesis of 5α‐Cinobufagin.
Authors: KAMANO Y. , DRASAR P. , PETTIT G. R. , TOZAWA M.
Published: May 2016

Since venomous toad secretions of the bufadienolide class are known to possess cell growth inhibitory and cardiac properties, the role of a trans‐fused A ring in the cinabufagin skeleton is investigated.
ChemInform Abstract: Selective Reduction of the Formylated Bile Acids to the Corresponding Formylated Bile Alcohols Analogs.
Authors: MALIK A. A. , SHARTS C. M.
Published: May 2016

The derivatives (I) of cholic acid or bile acid are converted to the corresponding steroid alcohols (II) by selective reduction with borane/ tetrahydrofuran complex.
ChemInform Abstract: Novel 10β‐Thiiranyl Steroids as Aromatase Inhibitors.
Authors: CHILDERS W. E. , ROBINSON C. H.
Published: May 2016

Reaction of the epimeric 10β‐oxiranyl‐4‐estrene‐3,17‐diones (I) and (III) with triphenylphosphine sulfide and picric acid produces the 10β‐thiiranyl derivatives (II) and (IV) which are competitive inhibitors of placental microsomal aromatase.
ChemInform Abstract: Synthesis of Amino Acid Esters by Papain.
Authors: CANTACUZENE D. , PASCAL F. , GUERREIRO C.
Published: May 2016

A wide range of N‐Boc amino acid esters, such as (I), can be prepared from the corresponding acids and alcohols using papain in a biphasic system.
ChemInform Abstract: Photochemical Oxidation of Partially Protected Derivatives of α‐D‐Glucofuranose and β‐D‐Fructofuranose.
Authors: DEN DRIJVER L. , HOLZAPFEL C. W. , VAN DYK M. S. , KRUGER G. J.
Published: May 2016

Acetalization of D‐fructose (I) by an improved procedure yields (IIIa) which reacts regioselectively with pyruvyl chloride (IV) to give (IIIb).
ChemInform Abstract: Reactions of 1,5‐Diketones. Part 49. Synthesis of the Phenyl Analogue of the Alkaloid Oniquine.
Authors: PAVEL' G. V. , MEL'NIK I. A. , TILICHENKO M. N.
Published: May 2016

The synthesis of the title compound (IX) is reported.
ChemInform Abstract: Metallation of 3‐Acetyltetramic Acids: A New Synthesis of 3‐Dienoyl‐ and 3‐Trienoyltetramic Acids.
Authors: JONES R. C. F. , BATES A. D.
Published: May 2016

The pyrrolidine‐2,4‐dione (I), prepared from L‐valine, is deprotonated with butyllithium to form the trilithio derivative (II).
ChemInform Abstract: Chemistry of Penicillin Diazoketones. Part 2. From β‐Lactam to β‐Lactone.
Authors: LUDESCHER H. , MAK C.‐P. , SCHULZ G. , FLIRI H.
Published: May 2016

The penicillanic acid methyl ester (I) is transformed into the diazoketone (II) which decomposes on treatment with catalytic amounts of rhodium(II) acetate to yield the β‐lactone (III).
ChemInform Abstract: Synthesis of Some 4‐Acyloxy‐7‐oxo‐1‐azabicyclo(3.2.0)hept‐2‐ene‐2‐carboxylates.
Authors: BATESON J. H. , QUINN A. M. , SOUTHGATE R.
Published: May 2016

The silylated azetidinones (Ia) and (IIa) are oxidized under Sharpless conditions to yield the hydroxy compounds (Ib) and (IIb).
ChemInform Abstract: A Facile Synthesis to Two Isomeric Components of San Jose Scale Pheromone.
Authors: NOVAK L. , POPPE L. , SZANTAY C. , SZABO E.
Published: May 2016

The synthesis of (IV) and (V) is described as outlined in the reaction scheme.
ChemInform Abstract: Matrix Isolation Study of the Oxidation of Diborane: Synthesis of Boroxin H3B3O3 and Its 18O Labeled Counterparts.
Authors: AULT B. S.
Published: May 2016

The species formed during the pyrolysis and pyrolytic oxidation of B2H6 are characterized using the matrix isolation technique.
ChemInform Abstract: Structure of the Mixed‐Valence, Chloro‐Bridged Dimeric Complex Cation (Ru2(NH3)6Cl3)2+.
Authors: HUGHES M. N. , O'REARDON D. , POOLE R. K. , HURSTHOUSE M. B. , THORNTON‐PETT M.
Published: May 2016

(Ru2(NH3)6Cl3)(BPh4)2 crystallizes in the monoclinic system, space group P21/a with Z=4.
ChemInform Abstract: Structure of Silver(I) Solvate and Sodium Diiodoargentate(I) in Acetonitrile Solution.
Authors: NILSSON K. , PERSSON I.
Published: May 2016

From large‐angle X‐ray scattering data it is concluded that the Ag(I) ion is tetrahedrally solvated by four MeCN molecules whereas the diiodoargentate(I) polymerizes forming chains in concentrated solutions.
ChemInform Abstract: Liquid Ionic Alloys
Authors: HENSEL F.
Published: May 2016

(advances that have been made in recent years in understanding the electrical transport and the continuous metal‐nonmetal transition in binary alloys of nearly‐free‐electron‐like liquid metals with special emphasis on the most ionic alloy Cs‐Au; 72 refs.
ChemInform Abstract: Zinc‐Zinc Chloride Composite Electrodeposited Steel Sheet.
Authors: SUZUKI I. , WADA S.
Published: May 2016

Colloids of 4 Zn(OH)2·ZnCl2 have been codeposited with metallic zinc on steel under various electrodepositing conditions, in order to accelerate the formation of a stable corrosion product layer in a Cl‐ environment (in natural environment, the corrosion rate of zinc becomes constant after exposure of several months).
ChemInform Abstract: Stabilization of Platinum‐Loaded CdS Photocatalyst by Addition of EDTA
Authors: MATSUMURA M. , OHNISHI H. , HANAFUSA K. , TSUBOMURA H.
Published: May 2016

is demonstrated in illuminated sulfite solution.
ChemInform Abstract: Activity Development of Unsupported and Al2O3 Supported Co‐Mo Catalysts in Thiophene HDS.
Authors: KORANYI T. , DOBROVOLSZKY M. , PAAL Z.
Published: May 2016

The activity of Al2O3 supported and unsupported Co‐Mo catalysts for thiophene hydrodesulfurization has been investigated as a function of Co:Mo ratio, and sulfidation degree.
ChemInform Abstract: Synthesis and Identification of K2H3P3O10·2 H2O.
Authors: SHASHKOVA I. L. , LYUTSKO V. A. , PRODAN E. A.
Published: May 2016

The crystalline phases, which are formed on adding methanol to the system K3H2P3O10‐H5P3O10‐H2O at 0‐5 °C and pH 0.6‐5.4 are investigated.
ChemInform Abstract: Bis(undecatungstogermanate) Lanthanates of Potassium.
Authors: RONG C. , LIU J. , CHEN X. , WANG E.
Published: May 2016

The compounds K13(Ln(GeW11O39)2) (Ln: Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Tm, Yb) have been prepared by addition of a concentrated solution of potassium acetate to an aqueous solution of Ln(NO3)3 and H4GeW12O40 (Ge:Ln = 2:1, 70 °C).
ChemInform Abstract: Gallium Pertechnetate and Its Crystalline Hydrates.
Authors: ZAITSEVA L. L. , VELICHKO A. V. , SOLOMENTSEV A. V.
Published: May 2016

The title compound, Ga(TcO4)3·7 H2O, is prepared for the first time by reacting freshly precipitated Ga(OH)3 with HTcO4 in aqueous solution.
ChemInform Abstract: Deuterium Isotope Effects as a Probe for C‐C Hyperconjugation.
Authors: BERGER S. , DIEHL B. W. K. , KUENZER H. +
Published: May 2016

The deuterium isotope effects on 13C NMR chemical shifts of compounds (I)‐(VIII) bearing a perdeuterated tert. butyl are shown to correlate linearly with π bond orders.
ChemInform Abstract: Conformational Behavior of Z‐Pro‐(thr)Ox‐OMe in Solution.
Authors: HASLINGER E. , KALCHHAUSER H.
Published: May 2016

Using NMR methods it is shown that two conformers of the title dipeptide (I) exist at room temp. in solution.
ChemInform Abstract: A Dynamic 1H NMR and ab initio MO Investigation of the Barrier to Pyramidal Inversion in Azetidine.
Authors: DUTLER R. , RAUK A. , SORENSEN T. S.
Published: May 2016

Coalescence of the α‐ and β‐proton signals is observed with ΔG‡ (154 K) = 30 kJ/mol.
ChemInform Abstract: The Triphenylphosphine Cone Angle and Restricted Rotation About the Chromium‐Phosphorus Bond in Dicarbonyl(η6‐hexa‐alkylbenzene)(triphenylphosphine)chromium(0) Complexes. Crystal and Molecular Structure of Dicarbonyl(η6‐hexa‐n‐propylbenzene)(triphenylphosphine)chromium(0).
Authors: HUNTER G. , WEAKLEY T. J. R. , WEISSENSTEINER W.
Published: May 2016

The variable‐temp.
ChemInform Abstract: 7‐Arylbicyclo(4.2.0)oct‐1‐enes. Synthesis by (2 + 2) Cycloadditions of 1,2‐Cyclohexadiene and 1‐Methyl‐1,2‐cyclohexadiene and Thermal Equilibration of the exo/endo Isomers.
Authors: CHRISTL M. , SCHRECK M.
Published: May 2016

The stepwise cycloaddition of the diene (V), which is obtained in situ with MeLi from the dibromide (I), to styrene (II) yields a mixture of isomers, the ratio of which depends on the temperature.
ChemInform Abstract: A Novel Palladium‐Catalyzed Reductive Cyclization.
Authors: TROST B. M. , WALCHLI R.
Published: May 2016

Aryl and vinyl bromides bearing an allyl acetate moiety are cyclized in moderate to good yields when treated according to A) (see scheme).
ChemInform Abstract: Stereospecific Dicobalt Octacarbonyl Mediated Enyne Cyclization for the Synthesis of the Cytotoxic Sesquiterpene (.+‐.)‐Quadrone.
Authors: MAGNUS P. , PRINCIPE L. M. , SLATER M. J.
Published: May 2016

The enyne (I) cyclizes stereospecifically in the presence of dicobalt octacarbonyl to form the bicyclic enone (II).
ChemInform Abstract: CHO vs. CH=CH2 Competition in Radical Cyclizations: Is the 5‐Hexenyl Radical Really Supreme?
Authors: TSANG R. , DICKSON J. K. JUN. , PAK H. , WALTON R. , FRASER‐REID B.
Published: May 2016

The predominant formation of (III) from the radical derived from (I) indicates the higher reactivity of the aldehydo group compared with the alkene, irrespective of its cis or trans relationship to the radical‐bearing moiety or the rigidity of the backbones as is shown by the exclusive formation of (VI) from (V).
ChemInform Abstract: Mechanism‐Based Inactivation of the Flavoenzyme Cyclohexanone Oxygenase During Oxygenation of Cyclic Thiol Ester Substrates.
Authors: LATHAM J. A. , WALSH C.
Published: May 2016

In contrast to cyclohexylsulfide, which forms the thiane‐S‐oxide in the presence of FAD‐linked cyclohexanone oxygenase (E‐FAD), no sulfoxidation is observed to compete with the Baeyer‐Villiger oxidation.
ChemInform Abstract: Competing Nucleophilic Displacement and Radical Chain Reduction in Reactions of Transition‐Metal Hydride Anions with Alkyl Bromides.
Authors: ASH C. E. , HURD P. W. , DARENSBOURG M. Y. , NEWCOMB M.
Published: May 2016

Since the reduction of (V) is sluggish toward SN2 displacement, the product ratio is directly dependent on the anionic metal hydride concentration.
ChemInform Abstract: Selective Palladium‐Catalyzed Substitution of 1,1‐Dichloroethylene.
Authors: RATOVELOMANANA V. , HAMMOUD A. , LINSTRUMELLE G.
Published: May 2016

1,1‐Dichloroethylene (I) reacts with the acetylenes (II) in the presence of a Pd(0) catalyst to give the enynes (III).
ChemInform Abstract: Unsymmetrical Alkenes by Carbene Coupling from Diazirine Decomposition in the Presence of Diazo Compounds.
Authors: DOYLE M. P. , DEVIA A. H. , BASSETT K. E. , TERPSTRA J. W. , MAHAPATRO S. N.
Published: May 2016

Heating the thermally unstable halophenyldiazirines (I) in the presence of the diazo compounds (II) yields the olefins (III).
ChemInform Abstract: Preparation of Chiral Allylic Alcohols Using Rhizopus nigricans. Use of the Harada‐Nakanishi Exciton Chirality Method for Verifying Configurational Assignments of Allylic Alcohols.
Authors: ITO S. , KASAI M. , ZIFFER H. , SILVERTON J. V.
Published: May 2016

Enantioselective hydrolysis of racemic acetates such as (I), (III), (V), (XI) the preparation of which is described yields (R)‐alcohols such as (II), (IV), (VI), or (XII).
ChemInform Abstract: Synthesis and Hydroboration/Oxidation of Tricyclo(5.2.1.04,10)dec‐8‐ene‐2,5‐dione (Bis‐acetal): New Synthetic Entry to Tricyclo(5.2.1.04,10)decane‐2,5,8‐trione.
Authors: CARCELLER E. , GARCIA M. L. , SERRATOSA F. , FONT‐ALTABA M. , SOLANS X.
Published: May 2016

The lactone (I) is transformed to the bis‐acetal (VIII) via the diketones (IV).
ChemInform Abstract: 3‐Chloro‐2‐((diethoxyphosphoryl)oxy)‐1‐propene: A New Reagent for a “One‐Pot” Cyclopentenone Annelation. Syntheses of Desoxyallethrolone, cis‐Jasmone, and Methylenomycin B.
Authors: WELCH S. C. , ASSERCQ J.‐M. , LOH J.‐P. , GLASE S. A.
Published: May 2016

Reaction of dichloroacetone (I) with triethyl phosphite (II) gives the propene derivative (III).
ChemInform Abstract: An Example of Spontaneous Resolution by Sublimation.
Authors: PAQUETTE L. A. , LAU C. J.
Published: May 2016

Acid‐catalyzed hydration of the bridged bis(bicyclobutane) (I) yields the anti‐7‐norborneol (II), the enantiomers of which are separated by sublimation under reduced pressure.
ChemInform Abstract: Reactivity of tert‐Butyldimethylsilyl Ethers: A Facile Conversion into Bromides.
Authors: MATTES H. , BENEZRA C.
Published: May 2016

The silyl ether (I) is cleaved with tetrabromomethane (II) and triphenylphosphine (III) in acetone to give the dibromomethylene derivatives (IV) and (V).
ChemInform Abstract: N‐Unsubstituted (Carbamoyloxy)nitrostyrenes: A New Series of Aryl‐β‐nitroalkenes with Fungicidal Properties.
Authors: LATIF N. , ASAAD F. M. , HOSNI H.
Published: May 2016

The title compounds (IV) exhibit fungicidal but no molluscicidal activity.
ChemInform Abstract: Cationic Cyclocodimerization. Part 4. Syntheses and Structures of (3.3)Metacyclophane Derivatives. Cyclization Controlled by an Orbital Interaction and a Steric Constraint.
Authors: NISHIMURA J. , OHBAYASHI A. , HORIUCHI Y. , OKADA Y. , YAMANAKA S. , OKU A.
Published: May 2016

Acid‐catalyzed reaction of the bisstyrenes (I) with the styrene derivatives (II) yields the isomeric metacyclophanes (III) ‐ (V), depending on the chain length n of (I).
ChemInform Abstract: Some Transformations and the Structure of 2,5,7‐Trinitro‐4‐cyanofluorenone C14H4N4O7.
Authors: SEMIDETKO O. V. , CHETKINA L. A. , BEL'SKII V. K. , MYSYK D. D. , PEREPICHKA I. F. , ANDRIEVSKII A. M.
Published: May 2016

Hydrolysis of the title compound (I) leads to the substitution of the 5‐nitro group in the first step, followed by hydratization of the nitrile group, producing the hydroxy amide (III) or the hydroxy acid (IV).
ChemInform Abstract: A Synthesis of Protected Aminoalkyl Epoxides from α‐Amino Acids.
Authors: LULY J. R. , DELLARIA J. F. , PLATTNER J. J. , SODERQUIST J. L. , YI N.
Published: May 2016

The reduction of the N‐protected amino esters (I) produces the amino aldehydes (II) which are converted to the amino alkenes (IV) by Wittig reaction.
ChemInform Abstract: Thermolysis and CoTTP‐Catalyzed Rearrangement of Endoperoxides Derived from 2,3‐Dihydro‐1(2H)azulenone: A New Endoperoxide‐Endoperoxide Rearrangement.
Authors: AKBULUT N. , MENZEK A. , BALCI M.
Published: May 2016

The trienone (I) reacts with singlet oxygen to yield the cyclic peroxides (II) ‐ (IV) and the ketones (V) and (VI).
ChemInform Abstract: Dipolar Cycloaddition Reactions of (Phenylsulfonyl)alkynes and (Phenylsulfonyl)propadiene with C,N‐Diphenylnitrone.
Authors: PARPANI P. , ZECCHI G.
Published: May 2016

1,3‐Dipolar cycloaddition reaction of the nitrone (II) with the alkynes (I) yields the acylindoles (IV) via the unstable cycloadducts (III).
ChemInform Abstract: 3‐Aroyl‐1‐aryl‐1H‐(1,2,4)triazolo(3,4‐c)‐1,2,4‐triazoles: Investigation of the Reaction Pathway by X‐Ray Analysis and Molecular Modelling.
Authors: GRAF H. , KLEBE G.
Published: May 2016

The readily accessible hydrazones (I) with electron‐withdrawing substituents in the acetophenone moiety react with aminotriazole (II) to give the monocyclic substitution products (III) which are cyclized to the bicyclic compounds (IV).
ChemInform Abstract: Photochemical Formation of Heteromethylenecyclopropanes. Part 15. Synthesis, Photolysis, and Thermolysis of a 1,4,4‐Trialkyl‐4,5‐dihydro‐5‐methylene‐1H‐1,2,3‐triazole. Highly Diastereoselective Formation of (E)‐2,2‐Dimethyl‐N‐neopentyl‐1‐cyclopropaneimine.
Authors: QUAST H. , MEICHSNER G.
Published: May 2016

The dihydrotriazolone (I) adds smoothly the organolithium compounds (II) or (III) to give the tert. alcohols (IV).
ChemInform Abstract: An Unequivocal Synthesis of Some Substituted 1,2,4‐Triazolo(1,5‐a)pyrimidines.
Authors: STANOVNIK B. , URLEB U. , TISLER M.
Published: May 2016

The title synthesis of the compounds (Va) and (Vb) starts from the amine (I).
ChemInform Abstract: Cyclic Nitronates from the Diastereoselective Addition of 1‐Trimethylsilyloxycyclohexene to Nitroolefins. Starting Materials for Stereoselective Henry Reactions and 1,3‐Dipolar Cycloadditions.
Authors: BROOK M. A. , SEEBACH D.
Published: May 2016

The Ti‐induced combination of the cyclohexene (I) with the E‐nitroolefins (II) yielding the separable prim. products (III)‐(V) proceeds preferentially with relative topicity ul, opposite to the corresponding reaction of enolates or enamines.
ChemInform Abstract: New 2‐Pyridone Derivatives via 1,3‐Dipolar Cycloadditions of Novel Mesoionic Compounds.
Authors: MOORE D. R. , MATHIAS L. J.
Published: May 2016

Thermal reaction of the N‐chloroacetyl lactam (I) with dimethyl acetylenedicarboxylate (II) produces the pyridone (III) via ring closure of (I) to form an isomunchnone and subsequent 1,3‐dipolar cycloaddition.
ChemInform Abstract: Regiospecific Functionalization of the Monoterpene Ether 1,3,3‐Trimethyl‐2‐oxabicyclo(2.2.2)octane (1,8‐Cineole). Synthesis of the Useful Bridged γ‐Lactone 1,3‐Dimethyl‐2‐oxabicyclo(2.2.2)octan‐3→5‐olide.
Authors: DE BOGGIATTO M. V. , DE HELUANI C. S. , DE FENIK I. J. S. , CATALAN C. A. N.
Published: May 2016

Chromyl acetate oxidation of the oxabicyclooctane (I) gives the ketone (II) as the main product, together with the six by‐products (III) ‐ (VIII).
ChemInform Abstract: Identification of the endo,exo Isomer of 6,9‐(PMe2Ph)2‐arachno‐B10H12 by NMR Spectroscopy.
Authors: FONTAINE X. L. R. , KENNEDY J. D.
Published: May 2016

Reaction of the nido‐borane (I) with the phosphine (II) results in a mixture of the title endo,exo isomer (III) and the exo,exo isomer (IV).
ChemInform Abstract: 1,3‐Bis(2‐benzoylphenyl)‐1,1,3,3‐tetramethyldisiloxane.
Authors: WIESE D. , WANNAGAT U. , THEWALT U. , DEBAERDEMAEKER T.
Published: May 2016

The silylbenzoyl chlorides (IV) are prepared starting from (I) and (II); other routes to (IVa) are described.
ChemInform Abstract: tert‐Butyl Esters of Phosphorous Acid. Synthesis and Thermal Rearrangement.
Authors: GAZIZOV T. KH. , CHUGUNOV YU. V. , PUDOVIK A. N.
Published: May 2016

Contrary to data in other literature tert‐butyl diethyl phosphite (III), obtained from the enol phosphite (I), is thermally stable up to 170°C. (III) and tri‐tert‐butyl phosphite (VI) are also obtained in the usual way from the phosphorous chlorides (IV) or (V) with an excess of triethylamine.
ChemInform Abstract: Reactions of Iodine with Triphenylphosphine and Triphenylarsine.
Authors: COTTON F. A. , KIBALA P. A.
Published: May 2016

The reaction of PPh3 with I2 leads to disproportionation of iodine and formation of (PPh3I)+ and I3‐.
ChemInform Abstract: Lithium‐Halogen Exchange‐Initiated Cyclization Reactions. Part 3. Intramolecular Conjugate Addition Reactions of Unsaturated Acylphosphoranes.
Authors: COOKE M. P. JUN. , WIDENER R. K.
Published: May 2016

Treatment of the iodine‐containing unsaturated acylphosphoranes (I) and (VI) with organolithium causes a lithium‐halogen exchange reaction which is followed by cyclization.
ChemInform Abstract: Reactions of 2‐Halo‐1,3,2‐dioxaphosphorinanes with Hexafluoroacetone.
Authors: HACKLIN H. , ROESCHENTHALER G.‐V. +
Published: May 2016

The chlorodioxaphosphorinane (II) is fluorinated by SbF3 to form the fluorodioxaphosphorinane (I) or brominated by trimethylbromosilane (III), yielding the bromodioxaphosphorinane (IV).
ChemInform Abstract: Charge Transfer Complexes of Metal Dithiolenes with Viologens.
Authors: LAHNER S. , WAKATSUKI Y. , KISCH H.
Published: May 2016

The title complexes (I)‐(III) are prepared from the viologens and dianionic metal dithiolenes in MeOH.
ChemInform Abstract: Reactions of Chromium(III) Complexes of 1,10‐Phenanthroline, 2,2′‐Bipyridyl, and Oxalate with the Pulse Radiolytically Generated Aquated Electron, Zinc(I), and Cadmium(I).
Authors: LAWRANCE G. A. , SANGSTER D. F.
Published: May 2016

The Cr(III) complex ions (I) react rapidly with the aquated electron to form the Cr(II) analogues.
ChemInform Abstract: Halogen‐Bridged Carbonyliron Compounds.
Authors: EVERTZ K. , HUTTNER G.
Published: May 2016

The synthesis of the title compounds (II) and/or (III) is described.
ChemInform Abstract: Bimetallic Systems. Part 19. Chromium(0)‐, Molybdenum(0)‐, or Tungsten(0)‐Iron(0) Carbonyl Complexes Containing One or Two Bridging Ph2PCH2PPh2 Ligands: Crystal Structure of ((OC)3Mo(μ‐Ph2PCH2PPh2)2Fe(CO)3).
Authors: JACOBSEN G. B. , SHAW B. L. , THORNTON‐PETT M.
Published: May 2016

Treatment of the mer‐complexes (I) with the Fe carbonyls (II) or (III) leads to the bimetallics (IV).
ChemInform Abstract: Mixed Oxidation State Trinuclear Cobalt Complexes with Bridging Sulfito and Schiff‐Base Ligands. Part 1. Preparation of the Complexes (Co(II)(μ‐SO3)2(μ‐L)2Co(III)2(ROH)2) (L: Schiff Base Anion, R: Alkyl) and Structure Determination of (Co(II)(μ‐SO3)2(.mu±alpha.,α′‐Me2‐salpd)2Co(III)2(nPrOH)2)·2 nPrOH.
Authors: FUKUHARA C. , ASATO E. , SHIMOJI T. , KATSURA K. , MORI M. , MATSUMOTO K. , OOI S.
Published: May 2016

For the preparation of the trinuclear title complexes (I) an alcoholic solution of a monomeric Co(III) complex of the corresponding sym. Schiff base containing additionally the anion of acetylacetone, salicylaldehyde, or α‐hydroxyacetophenone (or a reaction mixture of a Co(II) complex of the Schiff base and o‐hydroxyacetophenone in the case of (Ic)) is exposed to SO2 in a closed system.
ChemInform Abstract: The First Monophosphacyclobutadiencobalt(I) Complex by Codimerization of tert‐Butylphosphaacetylene with Bis(trimethylsilyl)acetylene.
Authors: BINGER P. , MILCZAREK R. , MYNOTT R.
Published: May 2016

The title compound (IV) is synthesized from the starting materials (I) and (II) in the presence of equimolar amounts of the η5‐cyclopentadiene diethene cobalt complex (III) as outlined in the reaction scheme.
ChemInform Abstract: Synthetic and Mechanistic Features of Alcohol Elimination Between Gold Alkoxides and Rhenium Polyhydrides. Metal Polyhedron Reconstruction Upon Protonation.
Authors: SUTHERLAND B. R. , FOLTING K. , STREIB W. E. , HO D. M. , HUFFMAN J. C. , CAULTON K. G.
Published: May 2016

The monomeric Au(I) alkoxides (III) are obtained as shown.
ChemInform Abstract: Electron and Energy Shuttling Between Redox Sites on Soluble Polymers.
Authors: OLMSTED J. III , MCCLANAHAN S. F. , DANIELSON E. , YOUNATHAN J. N. , MEYER T. J.
Published: May 2016

It is demonstrated that through a series of energy and electron transfer reactions 9‐methylanthracene can convert the initially stored MLCT excited state energy of a polymer‐bound polypyridyl complex of Ru(II) into transiently stored oxidative and reductive redox equivalents on separated polymeric units.
ChemInform Abstract: Pentamethylcyclopentadienyl Transition Metal Complexes. Part 11. Organometallic Monoglyoximato Complexes of Co and Rh.
Authors: KOELLE U. + , RAABE E. , KRUEGER C. + , ROTZINGER F. P.
Published: May 2016

Reaction of the halide complexes (I) with dimethylglyoxime gives the monoglyoxime complexes (III) or (IV).
ChemInform Abstract: Cyclopalladation to Form Planar Tridentate (N‐C‐N)‐ Intramolecular Coordination Systems Involving Pyridine Donor Groups, Including Ligand Synthesis and X‐Ray Structural Studies.
Authors: CANTY A. J. , MINCHIN N. J. , SKELTON B. W. , WHITE A. H.
Published: May 2016

Reaction of Pd(II) acetate with 1,3‐bis(1‐(pyridin‐2‐yl)ethyl)benzene or 1,3‐bis(2‐pyridinecarbonyl)benzene in glacial acetic acid results in cyclopalladation and formation of the complexes (Ia) and (II), respectively.
ChemInform Abstract: Bimetallic Systems. Part 21. Synthesis of Vinylidene‐ and Phenylene‐Bridged Complexes of Dinickel(II), Nickel(II)‐Palladium(II), and Nickel(II)‐Platinum(II) Containing Ph2PCH2PPh2 (dppm): Crystal Structures of ((SCN)Ni(μ‐dppm)2(μ‐C=CH2)Ni(NCS)) and (ClPd(μ‐dppm)2(μ‐C=CCl2)NiCl).
Authors: FONTAINE X. L. R. , HIGGINS S. J. , SHAW B. L. , THORNTON‐PETT M. , WU Y.
Published: May 2016

The vinylidene‐ and phenylene‐bridged "A‐frame" complexes (IVa), (IVd)‐(IVf) and (VI) are prepared by reaction of the α‐chlorovinyl‐Ni complex (I), its trichlorovinyl analogue, or the aryl analogues (V) with bis(diphenylphosphino)methane (III) and Ni(COD)2 (II), Pd(PPh3)4 (V), or corresponding Pd(0) and Pt(0) complexes (1:2:1 molar ratio).
ChemInform Abstract: Total Synthesis of a Proposed Structure of Isohimachalone.
Authors: LIU H.‐J. , BROWNE E. N. C.
Published: May 2016

The desired ketone (VI), which has been isolated from Cedrus deodara Loud.
ChemInform Abstract: Synthesis of Taxodione.
Authors: BURNELL R. H. , JEAN M. , POIRIER D.
Published: May 2016

The biologically active compound (IV) can be successfully synthesized as shown in the scheme, albeit in low yield.
ChemInform Abstract: Reactions of the Esters of 2H‐Perfluorocarboxylic Acids with Secondary Amines. Simple Synthesis of Perfluorinated β‐Enamino Esters and β‐Keto Esters.
Authors: PORTELLA C. , IZNADEN M.
Published: May 2016

The cholestanyl fluorocarboxylate (I) reacts with the secondary amines (II) to give a Z/E‐mixture of the enamino esters (III).
ChemInform Abstract: A Synthetic Strategy for Tricholomic Acid and Acivicin.
Authors: HANESSIAN S. , VANASSE B.
Published: May 2016

The aldehyde (I), available from (S)‐malic acid, reacts with the copper complex (II) to give four isomers of the acid (III).
ChemInform Abstract: Synthetic Studies in Carbohydrates. Part 49. Selective Phosphorylation of the Primary Hydroxyl Groups of Methyl 2‐O‐α‐D‐Mannopyranosyl‐α‐D‐ mannopyranoside.
Authors: JAIN R. K. , ABBAS S. A. , MATTA K. L.
Published: May 2016

Treatment of the disaccharide (Ia) with diphenyl phosphorochloridate (II) gives selectively the monophosphorylated derivative (Ib).
ChemInform Abstract: Novel Applications of the Modified Polonovski Reaction. Part 9. A New Route to Wenkert′s Enamine.
Authors: LOUNASMAA M. , KARVINEN E. , KOSKINEN A. , JOKELA R.
Published: May 2016

The title compound (XI), a key intermediate in the synthesis of several clinically useful antihypertensive eburnane alkaloids, is prepared starting from the bromide (I) via the title reaction (IV) → (VII).
ChemInform Abstract: Synthesis of Z‐Marginalin and Identification of the Natural Product as the E Isomer (IIIb).
Authors: BARBIER M.
Published: May 2016

From UV and MS data it is shown that the single isomer (IIIa) which is isolated by thin‐layer chromatography is the Z isomer (IIIa) in contrast to the natural marginalin (IIIb).
ChemInform Abstract: Studies in Anthracyclinone Synthesis. The Oxidative Decyanation Route to Aklavinone (VI) and 4,11‐Dideoxy‐α‐rhodomycinone
Authors: RAO J. A. , RAVICHANDRAN K. , O'MALLEY G. J. , CAVA M. P.
Published: May 2016

(XIII).
ChemInform Abstract: Synthesis of Tricyclic Azetidinones by Intramolecular Free Radical Cyclization.
Authors: JUST G. , SACRIPANTE G.
Published: May 2016

The title reaction of the azetidinones (I) and (IIIa) yields the benzo carbapenems (II) and (V), resp., which are unstable in solution.
ChemInform Abstract: Chiral Building Units from Carbohydrates. Part 13. Identification of the Absolute Configuration of endo‐Brevicomin from Dendroctonus frontalis and Synthesis of Both Enantiomers from D‐Ribose.
Authors: REDLICH H. , BRUNS W. , FRANCKE W. , SCHURIG V. , PAYNE T. L. , VITE J. P.
Published: May 2016

The title compounds (‐)‐(XII) and (+)‐(XVI) are prepared starting from D‐ribose via the key intermediate (VII) (in part no yields given).
ChemInform Abstract: Crystal Structure of Cesium Molybdenum Alum, Cs(Mo(H2O)6)(SO4)2·6 H2O, at 110 K.
Authors: BRORSON M. , GAJHEDE M.
Published: May 2016

The title compound crystallizes in space group Pa3, Z=4, and belongs to the β class of alums.
ChemInform Abstract: Preparation and Characterization of Quantum Size Zinc Oxide: A Detailed Spectroscopic Study.
Authors: BAHNEMANN D. W. , KORMANN C. , HOFFMANN M. R.
Published: May 2016

Transparent colloidal suspensions of small ZnO particles (2000‐3000 molecules) have been prepared in H2O, iPrOH, and MeCN, and UV/VIS absorption spectra are recorded at various times during the preparation.
ChemInform Abstract: 51V NMR Spectroscopy of Tungstovanadate Polyanions. Chemical Shift and Line‐Width Patterns for the Identification of Stereoisomers.
Authors: LEPARULO‐LOFTUS M. A. , POPE M. T.
Published: May 2016

51V NMR spectra are reported for several tungstovanadate polyoxoanions, including VxW6‐xO(2+x)‐ 19 (I) (x = 1‐3), α‐SiVxW12‐xO(4+x)‐ 40 (II) (x = 1‐3), β1‐, β2‐, and β3‐SiVW11O35‐9 (III), α‐PV2W10O45‐0 (IV) (mixtures of isomers), VV2W10O45‐0 (V) (mixtures of isomers), and VV3W9O46‐0 (VI) (mixtures of isomers).
ChemInform Abstract: Silicon Surface Barrier Modification by Low‐Energy Nitrogen Ion Implantation.
Authors: RINGEL S. A. , ASHOK S.
Published: May 2016

The formation of ultrathin (≤ 5 nm) SiNx films by very low energy (200‐600 eV) nitrogen ion implantation into Si is shown to alter the properties of subsequently fabricated Schottky diodes.
ChemInform Abstract: LixMo2O4. A New Promising Cathode Material for Secondary Lithium Cells.
Authors: TARASCON J. M.
Published: May 2016

For the first time crystallographically pure powdered Li1.33Mo2O4 material has been prepared in large amounts by ion exchange of Na+ for Li+ in NaxMo2O4.
ChemInform Abstract: Substrate Transformation Phenomena During the Nucleation of Silver on Polyfaced Platinum Single Crystal Electrodes. Part 2. Characterization of the Platinum Surface
Authors: MILCHEV A. , CHIERCHIE T. , JUETTNER K. + , LORENZ W. J.
Published: May 2016

by means of combined voltammetric and pulse potentiostatic methods.
ChemInform Abstract: Trace Metal Speciation by ASV. Part 7. Interaction of Zinc with Cl‐, NO‐ 3, I‐, SO2‐ 4, and OH‐.
Authors: KOMORSKY‐LOVRIC S. , BRANICA M.
Published: May 2016

The stability constants of complexes of zinc with the title anions have been determined by the pseudo‐polarographic method at a zinc concentration level of 10‐8 mol/dm3.
ChemInform Abstract: AC Impedance Studies of Aluminum Alloy 6061 in Chloride Solutions. The Role of Oxygen, Hydrogen Ions, and Aluminum Ions in Initiating Crevice Corrosion.
Authors: REISING R. F.
Published: May 2016

Corrosion‐potential and ac‐impedance measurements show that the pH is the dominant factor in crevice corrosion initiation of the title alloy in aqueous chloride solution, which is in accordance with the crevice‐corrosion mechanism proposed by Fontana and Greene.
ChemInform Abstract: The Concentrated NO Dimer in Micropores Above Room Temperature.
Authors: KANEKO K. , FUKUZAKI N. , OZEKI S.
Published: May 2016

The adsorption behavior of NO on nonmodified cellulose‐based activated carbon fibers (having uniform micropores of slit type) has been investigated by temp.‐programmed desorption and magnetic susceptibility measurements.
ChemInform Abstract: Residual Hydrogen in Ni/TiO2 and Pt/TiO2.
Authors: LAMBERT J.‐F. , PONCELET G. , FRIPIAT J.
Published: May 2016

It is demonstrated that Ni/TiO2 (anatase) catalysts contain at least three different hydrogen species apart from that chemisorbed on the metal surface.
ChemInform Abstract: A Molecular Mechanics Study of 18‐Crown‐6 and Its Complexes with Neutral Organic Molecules.
Authors: UITERWIJK J. W. H. M. , HARKEMA S. , FEIL D.
Published: May 2016

Calculations (MM2) on 190 different potentially favorable ("ideal") conformations reveal that the potential energy surface of the polyether has many minima with only small energy differences.
ChemInform Abstract: Effect of Particle Size on the High‐Spin (5T2) ⇌ Low‐Spin (1A1) Equilibrium in Supported Spin‐Crossover Complexes.
Authors: COWER‐FIGG D. , HERBER R. H.
Published: May 2016

For the spin‐crossover complexes (I) a metathesis occurs when solutions of the complexes are adsorbed on the activated carbon supports.
ChemInform Abstract: Nitrogen‐Bonded σ‐Adducts from Amide Anions and 1,3,5‐Trinitrobenzene. A 1H NMR Structural Study.
Authors: HALLE J.‐C. , ZAH‐LETHO J. , SIMONNIN M.‐P. , TERRIER F.
Published: May 2016

The reaction of trinitrobenzene (I) with the amides (II) leads to a mixture of the adducts (IV) and (V), which shows a 1:1 ratio after a few days, indicating a similar thermodynamic stability of the two adducts.
ChemInform Abstract: Reduction of Enol Acetates and Enolates Derived from α‐Chiral Ketones with Lithium Tetrahydridoaluminate.
Authors: ORELLANA G. , PEREZ‐OSSORIO R. , QUIROGA M. L. , SANCHEZ‐ASIAIN M. P.
Published: May 2016

E‐ and Z‐diastereoisomeric enol acetates (IV) and (I) afford the same stereochemical result.
ChemInform Abstract: Asymmetric Synthesis of (+)‐Phosphinothricin and Related Compounds by the Michael Addition of Glycine Schiff Bases to Vinyl Compounds.
Authors: MINOWA N. , HIRAYAMA M. , FUKATSU S.
Published: May 2016

Metalation of the chiral glycine Schiff base (‐)‐(V), followed by Michael addition to (III) (prepared from (I) or (IV)) and hydrolysis, yields the title compound (+)‐(VI).
ChemInform Abstract: Stereoselective Synthesis of t‐Butyl 2‐Amino‐2,5‐dideoxy‐L‐lyxo‐pentanoate: Formal Synthesis of L‐Daunosamine.
Authors: BANFI L. , CARDANI S. , POTENZA D. , SCOLASTICO C.
Published: May 2016

Reaction of the aldehyde (I) with the enolate derived from (II) gives a mixture of all four diastereomers (III)‐(VI).
ChemInform Abstract: Reaction of α‐Bromocyclopropyl Phenyl Ketones with Lithium Thiophenolate by a Mechanism of “Crypto” Nucleophilic Substitution of the Halogen Atom.
Authors: KULINKOVICH O. G. , TISHCHENKO I. G. , SVIRIDOV S. V. , DIVAK V. A.
Published: May 2016

The reactions of E‐1‐benzoyl‐1‐bromo‐2‐phenylcyclopropane (Ia), E‐1‐benzoyl‐1‐bromo‐2‐butyl‐ and 1‐benzoyl‐1‐bromocyclopropane (Ib) and of 7‐endo‐benzoyl‐7‐exo‐bromobicyclo(4.1.0)heptane (Ic) with reagent (III) according to method A) afford the phenylthio derivatives (II).
ChemInform Abstract: Metal‐Mediated Approach to Enynes.
Authors: TROST B. M. , CHAN C. , RUHTER G.
Published: May 2016

Pd‐mediated homodimerization reactions of the acetylenes (I) or co‐dimerization reactions of the acetylenes (V)/(VI) or (VIII)/(VIa) using the novel phosphine ligand (IV) provide the corresponding enynes (II), (VII) or (IX).
ChemInform Abstract: Regiocontrolled Opening of Cyclic Ethers Using Dimethylboron Bromide.
Authors: GUINDON Y. , THERIEN M. , GIRARD Y. , YOAKIM C.
Published: May 2016

Cleavage of the symmetrical cyclic ethers (I) with dimethylboron bromide (II) produces the bromoalcohols (III).
ChemInform Abstract: Acyclic Stereoselection. Part 40. Steric Effects, as Well as σ*‐Orbital Energies, Are Important in Diastereoface Differentiation in Additions to Chiral Aldehydes.
Authors: LODGE E. P. , HEATHCOCK C. H.
Published: May 2016

Two series of aldehydes (V) and (VII) are prepared as shown in the scheme except for (VIId) which is available from commercial sources.
ChemInform Abstract: Beckmann Rearrangement and Reduction of the E‐Isomer of 1,5,5‐Trimethylbicyclo(2.2.1)heptane‐2‐one Oxime.
Authors: KOZLOV N. G. , POPOVA L. A.
Published: May 2016

Isofenchol (I) is dehydrogenated according to a known procedure to yield the ketone (II).
ChemInform Abstract: Halogenated Alkylperoxyl Radicals as Oxidants: Effects of Solvents and of Substituents on Rates of Electron Transfer.
Authors: ALFASSI Z. B. , MOSSERI S. , NETA P.
Published: May 2016

The peroxyl radicals R‐O· 2 (R: ‐CCl3, ‐CHCl2, ‐CH2Cl, ‐CFCl2, ‐CBr3), CX3‐CCl2‐O· 2 (X: ‐H, ‐Cl), and CF3‐CHCl‐O· 2 are prepared by pulse radiolysis of aerated solutions of the appropriate halogen compound in 2‐propanol or 2‐propanol/water solutions.
ChemInform Abstract: Reactions of the Formyl Radical with Akyl Radicals.
Authors: BAGGOTT J. E. , FREY H. M. , LIGHTFOOT P. D. , WALSH R.
Published: May 2016

The 308 nm exciplex laser flash photolyses of gas‐phase R‐CHO (R: ‐Me, ‐Et, ‐Pr, ‐iPr, ‐tBu) are studied by using both time‐resolved and end product analysis techniques.
ChemInform Abstract: The Reactivity of Silyl Ethers to the Swern Reagent.
Authors: AFONSO C. M. , BARROS M. T. , MAYCOCK C. D.
Published: May 2016

The title reagent oxidizes the silyl ethers (I), (III) and (Vb) to the carbonyl compounds (II), (IV) and (VI)‐(VIIIa), respectively.
ChemInform Abstract: Acid Catalysis in Thermal and Photoinduced Electron‐Transfer Reactions.
Authors: FUKUZUMI S. , ISHIKAWA K. , HIRONAKA K. , TANAKA T.
Published: May 2016

The kinetics of acid catalysis of electron‐transfer reactions from Co complexes (I) to a series of p‐benzoquinone derivatives in aqueous solution (H2O/EtOH‐5:1) or MeCN and from ferrocene derivatives (II) to the same series and of photoinduced electron‐transfer reactions from the excited state of the tris(bipyridine)ruthenium(II) to acetophenone derivatives in MeCN are studied at various concentrations of HClO4 as a catalyst at 298 K. The pH dependence of the rate constants is analyzed.
ChemInform Abstract: Phase‐Transfer Alkoxycarbonylation of Secondary Alkyl Amines. Application of a Factorial Design.
Authors: GOMEZ‐PARRA V. , SANCHEZ F. , TORRES T.
Published: May 2016

To establish optimum operating conditions for obtaining the best yield of carbamate (III) in the solid‐liquid phase‐transfer reaction of model dialkylamine (I) with model alkyl halide (II), a 24 factorial design at two levels is applied by varying the following four factors by which the competitive formation of carbamate (IV) and trialkylamine (V) is governed: a) ratio of base K2CO3 (III) to amine(I), b) solvent (MeCN or heptane), c) halide anion X(Cl vs.
ChemInform Abstract: (Ethoxycarbonyliodomethyl)triphenylphosphonium Iodide. A Convenient Reagent for the Direct Synthesis of β‐Substituted Propiolic Acids via the Corresponding Esters.
Authors: CHENAULT J. , DUPIN J.‐F. E.
Published: May 2016

The β‐substituted propiolic acids (IV) are prepared via the esters (III) from the aldehydes (I) and the phosphonium reagent (II) by Wittig olefination and simultaneous elimination of HI in a liquid/solid two‐ phase system.
ChemInform Abstract: Synthesis of Aldehydes by a One‐Carbon Homologation of Ketones and Aldehydes via α,β‐Unsaturated Isocyanides.
Authors: MOSKAL J. , VAN LEUSEN A. M.
Published: May 2016

Wittig‐Horner‐Emmons reaction of the keto compounds (I) with the phosphonate (II) followed by acid hydrolysis of the intermediately formed isocyanides (III) gives the chain‐elongated aldehydes (IV).
ChemInform Abstract: Ethoxymethylfluorosulfonate. Stepwise Addition of the Ethoxymethyl Group and an External Nucleophile to Methylenecyclobutane.
Authors: LEBEDEV M. YU. , BALENKOVA E. S.
Published: May 2016

The reaction between ethyl fluoromethyl ether (I) and SO3 proceeds via exclusive cleavage of the C‐F bond of (I) and affords the reagent EtOCH2OSO2F mentioned in the title, which is characterized by its 1H NMR spectrum.
ChemInform Abstract: Synthesis of 2,2,4,4‐Tetrasubstituted Bicyclo(1.1.0)butanes by Reductive Dehalogenation of Tetrachlorocyclobutanes.
Authors: KOMENDANTOV M. I. , KOPTELOV YU. B. , KOSTIKOV R. R. , MOLCHANOV A. P.
Published: May 2016

The cyclobutanediones (I) are converted to the tetrachlorocyclobutanes (II).
ChemInform Abstract: Thermal Rearrangement of 2,5‐Bis(allyloxy)tropone, Revisited. Formation of Four Thermolysates Under the Claisen Rearrangement Conditions and Structure Revision of the Major Thermolysate.
Authors: TAKESHITA H. , MORI A. , GOTO Y. , NAGAO T.
Published: May 2016

The thermolysis of (I) yields the products (II)‐(IV); compound (V) cannot be isolated from the reaction mixture but is obtained independently by heating of (III).
ChemInform Abstract: Rearrangements in the Furan Series. Part 3. Reactions of 2,4‐Diarylaminocyclopent‐2‐enones with Nucleophiles.
Authors: D'ARCY B. R. , LEWIS K. G. , MULQUINEY C. E.
Published: May 2016

Reaction of the ketones (I) with EtOH (II), the amines (VI) or H2O (VIII) yields the derivatives (III), (VII) or (IX).
ChemInform Abstract: Reaction of Benzene trans‐Dioxide with Amines.
Authors: KOZLOV N. S. , ZHAVNERKO K. A. , PRISHCHEPENKO V. M.
Published: May 2016

The reactions between the title compound (I) and excess quantities of the amines (II) proceed via opening of both of the oxirane rings to afford the trans‐1,2‐diols (III), whose structures are deduced from their 1H NMR spectra.
ChemInform Abstract: Organo‐Phosphorus Compounds. Part 39. The Action of Alkyl Phosphites on Oxazolidinediones. A Novel Synthesis of Carbamic Acid Derivatives.
Authors: SIDKY M. M. , EL‐KATEB A. A. , MAHRAN M. R. , HENNAWY I. T. , ABD EL‐MALEK H. A.
Published: May 2016

Reaction of the benzylideneoxazolidinediones (I) with the trialkyl phosphites (II) yields the acylcarbamic acid derivatives (III).
ChemInform Abstract: Palladium‐Complex‐Catalyzed Reactions of Ketenes with Allylic Carbonates or Acetates. Novel Syntheses of α‐Allylated Carboxylic Esters and 1,3‐Dienes.
Authors: MITSUDO T. , KADOKURA M. , WATANABE Y.
Published: May 2016

Reaction of diphenyl ketene (I) with the allylic carbonates (II) or the allylic acetates (IV) in the presence of a Pd(0) catalyst produces either the allylated esters (III) or the 1,3‐dienes (V).
ChemInform Abstract: Reaction of N‐Arylsulfonyl‐p‐naphthoquinone Imines with Acylhydrazines.
Authors: AVDEENKO A. P. , EVGRAFOVA N. I.
Published: May 2016

The reaction between the N‐arylsulfonyl‐1,4‐naphthoquinone 4‐imines (I) and the aroylhydrazines (II) yields the 2‐aroylhydrazino derivatives (III) as the sole products, whereas the 2‐substituted (IV), on reaction with (IIa) afford a separable mixture of the derivatives (III) and the 4‐aroylhydrazono‐1,4‐naphthoquinones (V).
ChemInform Abstract: Substitution Reactions of Phenanthrols. Part 13. Bromination of 9‐Phenanthrol.
Authors: OTA E. , SHINTANI H.
Published: May 2016

Bromination of (I) in carbon disulfide yields 3,10‐dibromo‐9‐phenanthrol (III) via (II).
ChemInform Abstract: Long‐Range Photoinduced Through‐Bond Electron Transfer and Radiative Recombination via Rigid Nonconjugated Bridges: Distance and Solvent Dependence.
Authors: OEVERING H. , PADDON‐ROW M. N. , HEPPENER M. , OLIVER A. M. , COTSARIS E. , VERHOEVEN J. W. , HUSH N. S.
Published: May 2016

Diels‐Alder cycloaddition of (III) to (I) leads to the corresponding cycloadduct, which yields (II) via reductive dehalogenation and rearomatization.
ChemInform Abstract: Oxidation of 2,4‐Alkadienoic Esters with Selenium Dioxide. A New Synthesis of Furans and Selenophenes.
Authors: TSUBOI S. , MIMURA S. , ONO S. , WATANABE K. , TAKEDA A.
Published: May 2016

SeO2 oxidation of the alkadienoic esters (I) or (IV) gives the furancarboxylic esters (II) or (Va) along with the selenophenecarboxylic esters (III) or (Vb).
ChemInform Abstract: Synthesis and Transformations of 5‐Amino‐2,3‐dihydrooxoles.
Authors: CILLER J. A. , MARTIN N. , QUINTEIRO M. , SEOANE C. , SOTO J. L.
Published: May 2016

The title compounds (II) can be prepared from (I) either by a one‐step procedure or via the intermediate product (VI) of HCN addition, which also gives access to (VIII).
ChemInform Abstract: A New Synthesis of 4,5‐Unsubstituted 1,3‐Dioxoles.
Authors: MEIER L. , SCHARF H.‐D.
Published: May 2016

The 1,3‐dioxolanes (I) are converted to the 1,3‐dioxoles (IV) by perester oxidation and subsequent thermolysis.
ChemInform Abstract: Synthesis and Reactions of 3‐Aminorhodanines.
Authors: HANEFELD W. , JALILI M. A.
Published: May 2016

The title compounds (VI) are prepared by cyclization of the thiocarbazoylthioacetic acids (V).
ChemInform Abstract: Regiospecific Syntheses of δ4‐1,2,4‐Oxadiazolin‐3‐carboxylic Acids.
Authors: PAVEZ H. , MARQUEZ A. , NAVARRETE P. , TZICHINOVSKY S. , RODRIGUEZ H.
Published: May 2016

The title compounds (IV) are obtained from the 1,3‐dipolar cycloaddition of nitrosobenzene (II) to the oxazoline derivatives (I).
ChemInform Abstract: Novel Cyclization of S‐(o‐Acetylaryl) Dimethylthiocarbamates. A New Synthesis of 3‐Hydroxybenzothiophenes and 2‐Hydroxythiochromones.
Authors: LAU C. K. , BELANGER P. C. , DUFRESNE C. , SCHEIGETZ J.
Published: May 2016

Thermal rearrangement of the thiocarbamates (I) in refluxing o‐dichlorobenzene produces the S‐aryl thiocarbamates (II), together with minor amounts of the cyclization products (III).
ChemInform Abstract: Carbon Dioxide: A Reagent for the Simultaneous Protection of Nucleophilic Centres and the Activation of Alternative Locations to Electrophilic Attack. Part 8. A Novel Synthetic Route to 4‐Substituted 2‐Pyridones.
Authors: KATRITZKY A. R. , FAN W.‐Q. , KOZIOL A. E. , PALENIK G. J.
Published: May 2016

A novel one‐pot synthetic sequence for the functionalization of 2‐pyridone (I) at the 4‐position is described using CO2 (II) as reagent to protect the NH group.
ChemInform Abstract: Studies of Tertiary Amine Oxides. Part 9. Thermal Rearrangement of 1‐(4‐Substituted‐Phenyl)piperidine N‐Oxides to the Corresponding N‐Hydroxylamines.
Authors: KHUTHIER A.‐H. , AL‐MALLAH K. Y. , HANNA S. Y. , ABDULLA N.‐A. I.
Published: May 2016

Coupling of the fluorobenzenes (I) with piperidine (II) gives the N‐phenylpiperidines (III) which are oxidized with hydrogen peroxide to form the N‐oxides (IV).
ChemInform Abstract: A Versatile Synthesis of 2‐Alkyl‐ and 2‐Aryl‐4‐quinolones.
Authors: CHEN B. , HUANG X. , WANG J.
Published: May 2016

Reaction of the isopropylidene (1‐methylthioalkylidene)malonates (I) with the anilines (II) yields the aniline derivatives (III) which are converted to the title compounds (IV) on heating.
ChemInform Abstract: Synthesis of Dialkyl 2‐(2‐Hydroxyphenyl)‐4,6‐dimethyl‐1,2‐dihydropyridine‐3,5‐dicarboxylates and Alkyl 2,4‐Dimethyl‐5‐oxo‐5H‐(1)benzopyrano‐(4,3‐b)pyridine‐3‐carboxylates.
Authors: O'CALLAGHAN C. N.
Published: May 2016

The 2‐hydroxybenzaldehydes (I) react with the 3‐oxobutanoates (II) and excess ammonia in acetic acid to yield the dihydropyridines (IV) and/or the corresponding betains (III).
ChemInform Abstract: A Convenient Synthesis of 2,3‐Disubstituted Benzo(b)(1,8)naphthyridines. A Novel Annelation Reaction of 2,3‐Disubstituted Quinolines.
Authors: SRIVASTAVA R. P. , NEELIMA NEELIMA , BHADURI A. P.
Published: May 2016

Coupling of the 2‐chloro‐3‐formylquinolines (I) with the substituted acetonitriles (II) yields the cyanovinyl derivatives (III), which react with the secondary amines (IV) under cyclization to give the title compounds (V).
ChemInform Abstract: Some Reactions of 3‐((2‐Hydroxy‐4‐quinolyl)methyl)‐2,4‐pentanediones.
Authors: KAMEL M. M. , EL‐WASSIMI M. T. , OSMAN F. H. , EL‐SARRAF G.
Published: May 2016

The 4‐quinolylmethyl‐2,4‐pentanediones (III), prepared from the 4‐bromomethylcarbostyrils (I) and acetylacetone (II), are the key intermediates in the synthesis of the pyrazoles (V), isoxazoles (VI), and pyrimidones or pyrimidinethiones (IX).
ChemInform Abstract: Pyrimidines. Part 3. The Synthesis of Oxazolo(2,3‐b)pyrimidinones, Pyrimido(2,1‐b) (1,3)oxazinones, and Pyrimido(2,1‐b) (1,3)benzoxazinones.
Authors: ABARCA B. , SORIANO C. , JONES G.
Published: May 2016

The reaction of (I) with (II) yields the target compounds (V) besides the O‐ and N‐alkylated products (III) and (IV).