bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Dual Emission from an Ortho‐Metalated Ir(III) Complex.
Authors: KING K. A. , WATTS R. J.
Published: May 2016

The absorption spectra of the known complexes (I) and (II) at room temp. and their time‐integrated emission spectra in fluid solutions at room temp. and in 77 K glasses are studied.
ChemInform Abstract: Molecular Conformation of Mono‐ and Bicyclic Derivatives. Part 6. Theoretical and Experimental Study of Derivatives with a Seven‐Membered Ring.
Authors: PITEA D. , MORO G. , FAVINI G.
Published: May 2016

The electronic polarizations, dipole moments, and molar Kerr constants of the compounds (I), (IIa), (IIb) and (III) in CCl4 at 298 K are recorded.
ChemInform Abstract: Theoretical Investigations of the Anaerobic Reduction of Halogenated Alkanes by Cytochrome P450. Part 1. Structures, Inversion Barriers, and Heats of Formation of Halomethyl Radicals.
Authors: LUKE B. T. , LOEW G. H. , MCLEAN A. D.
Published: May 2016

The geometries of all chlorofluoromethyl radicals are optimized with both MNDO and ab initio methods.
ChemInform Abstract: Interactions of the Trimethyltin(IV) Cation with Carboxylic Acids, Amino Acids, and Related Ligands.
Authors: HYNES M. J. , O'DOWD M.
Published: May 2016

The stoichiometry and stability constants of the reactions of the cation Me3Sn(H2O)+ 2 with a series of ligands, particularly those of biological interest having a variety of donor atoms, are determined using a computer program.
ChemInform Abstract: Electrochemical Oxidation of Organosilicon Compounds. Part 2. Electrochemical Oxidation of 1‐Trimethylsilyl‐1,3‐dienes.
Authors: YOSHIDA J. , MURATA T. , ISOE S.
Published: May 2016

The electrochemical oxidation of 1‐trimethylsilyl‐1,3‐dienes (I) in methanol affords the 1,1,4‐trimethoxy‐2‐butenes (II) which are readily hydrolyzed to give the corresponding α,β‐unsaturated aldehydes.
ChemInform Abstract: Substituent Effects on the Stereoselectivity of the Acid‐Catalyzed Solvolysis of Rigid 1‐Arylcyclohexene Oxides. Further Evidence for a Mechanism Implying Different Benzylic Carbocationic Species.
Authors: CROTTI P. , DELL'OMODARME G. , FERRETTI M. , MACCHIA F.
Published: May 2016

The acid‐catalyzed methanolysis (and the analogous hydrolysis) of the conformationally rigid epoxides (I) or (IV) yields syn/anti ratios which are determined by the substituent.
ChemInform Abstract: Reactions of an o‐Quinone Monoimide with 1,3,5‐Trimethoxybenzene, 2‐Methoxythiophene, 2‐Methoxyfuran, and 1‐Methyl‐, 2‐Methyl‐, and 1,2‐Dimethylindoles.
Authors: HEINE H. W. , OLSSON C. , BERGIN J. D. , FORESMAN J. B. , WILLIAMS E. A.
Published: May 2016

Reaction of the o‐quinone monoimide (I) with electron‐rich (hetero)aromatic reagents such as (II), (IV), (VI), and (VIII) yields the products (III), (V), (VII), and (IX).
ChemInform Abstract: Stereoselective Acyclic Synthesis via Allylmetals: threo Vicinal Diols from Both E‐ and Z‐γ‐Alkoxyallyltins and Aldehydes.
Authors: KOREEDA M. , TANAKA Y.
Published: May 2016

A new method of diastereoselective synthesis of threo(syn) vicinal diol monoalkyl ether units is outlined in the reaction scheme.
ChemInform Abstract: Gas‐Phase Hydrolysis of Protonated Oxirane. Ab initio and Semiempirical MO Calculations.
Authors: FORD G. P. , SMITH C. T.
Published: May 2016

MP2/6‐31G**//HF/6‐31G* calculations predict the gas‐phase unimolecular ring opening to lead to protonated acetaldehyde via an activation barrier of 24.6 kcal/mol with no intervening minima.
ChemInform Abstract: A New (4C + 2C) Annelation Reaction Based on Tandem Michael‐Claisen Condensation. Part 1. General Scope.
Authors: CHAN T. H. , PRASAD C. V. C.
Published: May 2016

The α,β‐unsaturated ketones (I) are coupled with the butadiene (II), producing E,Z‐mixtures of the Michael adducts (III).
ChemInform Abstract: (2 + 3)Cyclopentene Annulation and Other Trimethylsilyl Iodide‐Mediated Rearrangement Pathways of Vinylcyclopropanes.
Authors: FLEMING A. , SINAI‐ZINGDE G. , NATCHUS M. , HUDLICKY T.
Published: May 2016

The mixture of vinylcyclopropanes (I) reacts with trimethylsilyl iodide (II) to give the allyl iodides (III) which are cyclized to yield the bicyclic enone (IV).
ChemInform Abstract: Interaction of Triplet‐State Nucleic Acid Bases with Electroaffinic Molecules in Solution by Laser Flash Photolysis.
Authors: KEMP T. J. , PARKER A. W. , WARDMAN P.
Published: May 2016

Triplet‐state thymine, thymidine, and uracil, generated by 249.1 nm laser flash photolysis, are quenched by a range of electroaffinic molecules, including the radiosensitising drugs metronidazole (I) and misonidazole (II), at rates which accord satisfactorily with the predictions of the Rehm‐Weller equation for photoelectron transfer.
ChemInform Abstract: Wagner‐Meerwein Rearrangements of Radical Cations Generated by Triphenylpyrylium Tetrafluoroborate Photosensitized Electron Transfer of Azoalkanes.
Authors: ADAM W. , DOERR M. +
Published: May 2016

In contrast to the direct or acetone‐sensitized irradiation of the azoalkane (I), which leads exclusively to the product of cyclization (III), a rearranged product (IV) is formed in the presence of the electron acceptor triphenylpyrylium tetrafluoroborate (TPT) via the radical cation (II) and the TPT radical.
ChemInform Abstract: The Mechanisms of Alkane Eliminations from the Intermediates Produced by Reactions of the Hydroxide and Methoxide Negative Ions with Tetramethylsilane in the Gas Phase.
Authors: SHELDON J. C. , HAYES R. N. , BOWIE J. H. , DEPUY C. H.
Published: May 2016

Ab initio calculations (6‐21G level, GAUSSIAN 82) and both ICR and flowing afterglow (FA) experiments are used to study the reactions of HO‐ and MeO‐ with Me4Si.
ChemInform Abstract: Free Radicals in Solution. Part 10. The Thermal Decomposition of Benzylphenylmercury in Solution.
Authors: AGIRBAS H. , JACKSON R. A.
Published: May 2016

Bz‐Hg‐Ph (Bz: ‐CH2‐Ph) decomposes in toluene between 140 and 170 °C to give Bz‐Bz, Ph‐Hg‐Ph, and Hg in a first‐order reaction with log (A/s‐1) 16.8, E 41.0 kcal/mol, and interpreted as involving Hg‐Bz bond fission in the rate‐determining step.
ChemInform Abstract: Insertion of Methylene Into Ethane and Cyclopropane.
Authors: GORDON M. S. , BOATZ J. A. , GANO D. R. , FRIEDERICHS M. G.
Published: May 2016

The insertions of methylene into the CH and CC bonds of ethane and into a CC bond of cyclopropane are calculated by using third‐order perturbation theory with the 6‐31G(d) basis set.
ChemInform Abstract: 1,3‐Syn Diastereoselective Reduction of β‐Hydroxyketones Utilizing Alkoxydialkylboranes.
Authors: CHEN K.‐M. , HARDTMANN G. E. , PRASAD K. , REPIC O. , SHAPIRO M. J.
Published: May 2016

The β‐hydroxyketones (I) react with the borinates (II) to yield the complex intermediates (III) which are reduced with very high diastereoselectivity by means of sodium borohydride to produce almost exclusively the syn‐diols (IV).
ChemInform Abstract: Rapid Debenzylation of N‐Benzylamino Derivatives to Amino Derivatives Using Ammonium Formate as Catalytic Hydrogen Transfer Agent.
Authors: RAM S. , SPICER L. D.
Published: May 2016

The N‐benzylamines (I) are debenzylated to give the amines (II) using ammonium formate as a catalytic hydrogen transfer agent.
ChemInform Abstract: Ester Hydrolysis in Aqueous Sulphuric Acid. Effects of Solvent Ionizing Power and Nucleophilicity Separated from the Effects of Protonation of Substrate.
Authors: BENTLEY T. W. , JURCZYK S. , ROBERTS K. , WILLIAMS D. J.
Published: May 2016

Rates of hydrolysis are reported for Tos‐O‐R (R: ‐Me, ‐Et, ‐iPr) and Mes‐O‐R (R: ‐Me, ‐Et, ‐iPr, cyclohexyl, and 2‐endo‐norbornyl) in 0‐70% w/w aqueous H2SO4 between 0‐50 °C. NMR studies of chemical shifts (1H and 13C), showing the small extent of protonation of Mes‐O‐Et, are also reported.
ChemInform Abstract: Metallation of Porphyrins in Two‐Phase Systems Using Carboxylic Acids, Thiols, and Phenols.
Authors: LIPINER G. , WILLNER I. , AIZENSHTAT Z.
Published: May 2016

Metallation of meso‐tetratolylporphyrin by M2+ (M: Cu, Zn, Mn, Ni, VO) in a water‐oil two‐phase system is induced by cation‐transfer surfactants such as carboxylic acids (Me‐(CH2)n‐COOH; n = 4, 7, 12), thiols (Me‐(CH2)p‐SH; p = 8, 11, 15), and hydroxyaromatic compounds (phenol, α‐ and β‐naphthol, 9‐hydroxyphenanthrene).
ChemInform Abstract: One‐Step Remote Oxidative Cyanation of Ketones and Aldehydes.
Authors: TROYANSKII E. I. , MIZINTSEV V. V. , MOLOKANOV A. N. , OGIBIN YU. N. , NIKISHIN G. I.
Published: May 2016

A general one‐step method for the synthesis of γ‐ and δ‐cyanoketones and cyanocarboxylic acids by oxidative cyanation of carbonyl compounds using sodium peroxodisulfate‐sodium cyanide is described.
ChemInform Abstract: (1.1.1)Propellane: Reaction with Electron Deficient Alkenes and Alkynes.
Authors: WIBERG K. B. , WADDELL S. T.
Published: May 2016

(1.1.1)Propellane (I) reacts with tetracyanoethylene (II) to give the adduct (III); using dimethyl acetylenedicarboxylate (IV) in an initial reaction with (I) the adducts (V), and by further reaction the 2:1‐adducts (VI) and (VII), are formed.
ChemInform Abstract: Tropothione. Synthesis, Spectra and Chemical Reactions.
Authors: MACHIGUCHI T. , OTANI H. , ISHII Y. , HASEGAWA T.
Published: May 2016

Tropone (I) reacts with P2S5 in the presence of triethylamine to give the tropothione (II), which can be reoxidized to give (I).
ChemInform Abstract: 3‐(Phenylsulfonyl)tricyclo(4.1.0.02,7)hept‐4‐en‐3‐yllithium.
Authors: CHRISTL M. , HERZOG C.
Published: May 2016

The sulfone (III) is prepared in two steps starting with 4,5‐dibromohomobenzvalene (I) and is deprotonated to give the salt (IV).
ChemInform Abstract: Asymmetric Synthesis with Chiral Hydroxylamines. Synthesis of Optically Pure 4‐Substituted Azetidinones.
Authors: BALDWIN S. W. , AUBE J.
Published: May 2016

The unsaturated esters (I) react with the optically active hydroxylamines (II) to give a mixture of the diastereomeric products (III) and (IV).
ChemInform Abstract: Synthesis of β‐Substituted Furans by Alkylation of β‐Dicarbonylic Compounds with 1,2,3‐Trihalopropanes.
Authors: AKHMEDOV SH. T. , SADYKHOV N. S. , ISMAILOV V. M. , AKHUNDOVA M. A. , SADOVAYA N. K. , KARIMOV F. N. , ZEFIROV N. S.
Published: May 2016

The β‐dicarbonyl compounds (I) react with the trihalopropanes (II) or with propargyl bromide (VI) to give the monoalkylation products (III) or (VII) and the dialkylation products (IV) or (VIII), or the cyclization products (V) and (IX), depending on the reaction conditions.
ChemInform Abstract: On the Regioselectivity of Metal Hydride Reductions of 3‐Substituted Phthalic Anhydrides.
Authors: SOUCY C. , FAVREAU D. , KAYSER M. M.
Published: May 2016

The reduction of the phthalic anhydrides (I) by various metal hydrides (II) is investigated.
ChemInform Abstract: A Preparation of 3‐Aryl‐2,5‐dihydrothiophene‐1,1‐dioxides from Aryl Iodides.
Authors: HARRINGTON P. J. , DIFIORE K. A.
Published: May 2016

Sulfolene (II) is coupled with the aryl iodides (I) in the presence of Pd(II) acetate to yield the arylated derivatives (IV) via the isomers (III).
ChemInform Abstract: Asymmetric Synthesis. Part 10. A Chiral Pyrrolidine Synthon for a New Approach to the Synthesis of Alkaloids.
Authors: HUANG P. Q. , ARSENIYADIS S. , HUSSON H.‐P.
Published: May 2016

(R)‐(‐)‐Phenylglycinol is converted to the aminonitrile (II) by Strecker reaction.
ChemInform Abstract: Leukotriene D4 Antagonists and 5‐Lipoxygenase Inhibitors. Synthesis of Benzoheterocyclic ((Methoxyphenyl)amino)oxoalkanoic Acid Esters.
Authors: MUSSER J. H. , KUBRAK D. M. , CHANG J. , DIZIO S. M. , HITE M. , HAND J. M. , LEWIS A. J.
Published: May 2016

Cyclization of the anilines (I) and subsequent etherification produce the nitrophenolates (V) which are transformed into the amides (VI).
ChemInform Abstract: Synthesis of 1‐Phenyl‐ and 5‐Phenyl‐3‐vinylthio‐1,2,4‐triazoles and Their 1H‐NMR Spectra Transformed by Complex Formation.
Authors: TRZHTSINSKAYA B. V. , RUBAKOVA E. V. , AFONIN A. V. , VORONOV V. K. , PERTSIKOV B. Z.
Published: May 2016

The triazolethiones (I), prepared by known methods, react with acetylene to give the vinylthio derivatives (II).
ChemInform Abstract: Vinyl Ether of 2,2,6,6‐Trimethyl‐4‐hydroxypiperidin‐1‐oxyl and Its Oligomers.
Authors: TROFIMOV B. A. , OPARINA L. A. , YAKOVLEVA I. V. , LAVROV V. I. , SHAPIRO A. B.
Published: May 2016

Vinylation of the hydroxynitroxyl (I) with acetylene produces a mixture of the vinyloxynitroxyl (II) and the vinyloxypiperidine (III).
ChemInform Abstract: Synthesis of 2,3‐Polymethylenepyridines from 3‐Aminoacrolein and Cyclic Ketones.
Authors: MATVEEVA E. D. , TUNGUSOVA E. D. , BUNDEL' YU. G. , SAGITULLIN R. S.
Published: May 2016

3‐Aminoacrolein (II), prepared from the aldehyde (I) and ammonia, reacts with the cyclic ketones (III) in the presence of triethylamine and piperidine acetate to give the polymethylenepyridines (IV).
ChemInform Abstract: Reaction of Aminopyridines with Acetylene.
Authors: ANDRIYANKOV M. A. , BELOBRYSOVA O. V. , CHIPANINA N. N. , AFONIN L. V. , KUKHAREV B. F.
Published: May 2016

2‐Aminopyridine is combined with acetylene in the presence of potassium hydroxide to give the dimethylimidazopyridine (II).
ChemInform Abstract: Ruthenium(IV) Tetrakis(trifluoroacetate), a New Oxidizing Agent. Part 3. An Efficient Access to the Aporphine and Homoaporphine Skeletons and Their Structural Studies.
Authors: LANDAIS Y. , RAMBAULT D. , ROBIN J. P.
Published: May 2016

The tetrahydroquinolines (V) are prepared by coupling the phenylethylamines (I) with the N‐acylthiazolidinethiones (II), followed by cyclization and reduction.
ChemInform Abstract: Novel Hexakis(alkylthio)benzene with C3 Symmetry: Synthesis, Crystal Structure, and Physical Properties of a Tris(ethylenedithio)benzene Salt: (TEDTB)2BF4.
Authors: LAPOUYADE R. , CHASSEAU D. , AMIELL J. , DELHAES P. , MORAND J. P.
Published: May 2016

Tris(ethylenedithio)benzene (VIII) is prepared from 1,3,5‐trichlorobenzene (I) as shown in the reaction scheme.
ChemInform Abstract: Bridgehead Hydrazines. Part 4. Oxidative and Basic Ring Cleavage of Pyrazolo and s‐Triazolo(1,2‐a)pyridazines.
Authors: SHERADSKY T. , MOSHENBERG R.
Published: May 2016

Diels‐Alder reaction of the butadiene (I) with the dienophiles (II) produces the pyridazine derivatives (III).
ChemInform Abstract: Diazabicycloalkanes with Bridgehead Nitrogen Atoms. Part 14. Synthesis of Dibenzo(1′,2′‐b,e)‐1,4‐diazabicyclo(2.2.2)octadienes Containing a Dialkylamino Group at the Aromatic Ring.
Authors: SHISHKIN G. V. , SIL'NIKOV V. N.
Published: May 2016

The title compounds (V) are synthesized from the phenazinium chloride (I) via the amino derivatives (III) and (IV).
ChemInform Abstract: Synthesis, Isolation, and ESR Spectra of a Stable 1‐Hydroxy‐2,4,6,8‐tetra‐tert‐butyl‐10‐phenoxazinyl Radical.
Authors: IVAKHNENKO E. P. , KARSANOV I. V. , KHANDKAROVA V. S. , RUBEZHOV A. Z. , OKHLOBYSTIN O. YU. , MINKIN V. I. , PROKOF'EV A. I. , KABACHNIK M. I.
Published: May 2016

The phenoxazinyl radical (III) is prepared from di‐tert‐butylaminophenol (I) and di‐tert‐butyl‐o‐quinone (II), together with the phenoxazinone (IV).
ChemInform Abstract: A Potassium Amide Induced Ring Transformation of 1,2,4‐Triazines into 1,2,4‐Triazoles and 1,3,5‐Triazines.
Authors: RYKOWSKI A. , VAN DER PLAS H. C.
Published: May 2016

The 1,2,4‐triazines (I) are converted to a mixture of the 1,2,4‐triazoles (II) and the 1,3,5‐triazines (III) on treatment with potassium amide.
ChemInform Abstract: A Versatile and Efficient Synthesis of Carbinolamine‐Containing Pyrrolo(1,4)benzodiazepines via the Cyclization of N‐(2‐Aminobenzoyl)pyrrolidine‐2‐carboxaldehyde Diethyl Thioacetals: Total Synthesis of Prothracarcin.
Authors: LANGLEY D. R. , THURSTON D. E.
Published: May 2016

The pyrrolobenzodiazepines (II) are prepared by mercuric chloride mediated cyclization of the corresponding aldehyde dithioacetals (I).
ChemInform Abstract: Synthesis and Some Reactions of Trifluorocyclobutenyl‐o‐carboranes.
Authors: ZAKHARKIN L. I. , LEBEDEV V. N. , SHUSTOVA T. V. , BALAGUROVA E. V.
Published: May 2016

The 1‐substituted 2‐lithiocarboranes (I) react with the cyclobutene derivative (II) to give the trifluorocyclobutenyl‐substituted carboranes (III) which are transformed into the carboranylbutenals (V) via the cyclobutenones (IV).
ChemInform Abstract: Synthesis of 1,7‐Bis‐(4′‐aminophenylcarbamoyl)‐m‐carborane and 1,7‐Bis‐ (4′‐aminophenoxycarbonyl)‐m‐carborane.
Authors: KORSHAK V. V. , KOMAROVA L. G. , KOMAROVA N. G. , VAGIN V. V. , KATS G. A.
Published: May 2016

The m‐carboranedicarboxylic dichloride (I) reacts with p‐nitroaniline (IIa) or p‐nitrophenol (IIb) to give the bis(nitrophenylcarbamoyl) (IIIa) or the bis(nitrophenoxycarbonyl)‐m‐carborane (IIIb) which are hydrogenated, producing the corresponding amino compounds (IV).
ChemInform Abstract: Reactions of Bis(dimethyl(vinyl)silyl)bis(trimethylsilyl)methane, (Me3Si)2C(SiMe2CH=CH2)2.
Authors: AYOKO G. A. , EABORN C.
Published: May 2016

The title compound (III) is prepared from (I).
ChemInform Abstract: Comments on the Reaction of Ethyl 4‐(Diethoxyphosphinyl)‐3‐oxobutanoate and Related Phosphonate Esters with Enals.
Authors: MOORHOFF C. M. , SCHNEIDER D. F.
Published: May 2016

The 4‐phosphinyl‐3‐oxobutanoates (II) are transformed into the dianions (I) or into the monoanions (IV) and (V), depending on the type and amount of bases used.
ChemInform Abstract: Tetraalkyl Pyrophosphites in Anodic Substitution Reactions.
Authors: ROMAKHIN A. S. , KOSACHEV I. P. , BABKIN YU. A. , NIKITIN E. V. , PARAKIN O. V. , IGNAT'EV YU. A. , KARGIN YU. M.
Published: May 2016

Anodic oxidation of the title compounds (I) in the presence of aromatic hydrocarbons (II) under conditions previously published gives the phosphonates (III).
ChemInform Abstract: Organomercury(II) Dithiocarbazates: Synthesis, Characterization and Biological Studies.
Authors: BHATIA S. , KAUSHIK N. K. , SODHI G. S.
Published: May 2016

The title complexes (I) are prepared by 1:1 molar reaction of phenylhydrazinium phenyldithiocarbazate or potassium 2,4‐dinitrophenyldithiocarbazate with R1HgCl in THF (no yields given).
ChemInform Abstract: Organometallic Route to the Chemical Vapor Deposition of Titanium Carbide Films at Exceptionally Low Temperatures.
Authors: GIROLAMI G. S. , JENSEN J. A. , POLLINA D. M. , WILLIAMS W. S. , KALOYEROS A. E. , ALLOCCA C. M.
Published: May 2016

Amorphous TiC films are deposited on Pyrex glass, Cu, or KBr at 150 °C and < 10‐5 torr, using the organo‐Ti compound (III).
ChemInform Abstract: Reaction of an Enolizable Diazo‐Compound with the Electron‐Rich Stannylene Sn(N(SiMe3)2)2: Preparation of a Novel Spiro(1,3,4,2‐oxadiazastannine‐6,4′‐pyrazole) Derivative.
Authors: GLIDEWELL C. , LLOYD D. , LUMBARD K. W.
Published: May 2016

The 2:1 molar reaction of the enolizable diazo compound (II) with the electron‐rich stannylene (I) yields the 2:1 adduct (III) additional to the hydrazone NH2N=C(COMe)(COOEt) (yield 12%).
ChemInform Abstract: Iotsich Reagents from Stannylalkyne Compounds.
Authors: BOGORADOVSKII E. T. , GIRBASOVA N. V. , ZAVGORODNII V. S. , PETROV A. A.
Published: May 2016

The stannylmagnesium compounds (III), prepared in situ from the stannanes (I) and ethylmagnesium bromide (II), react with the silyl or germyl bromides (IV) to give the transmetalation compounds (V).
ChemInform Abstract: Chemistry of the Hydrazido(1‐) Ligand. Preparations and Crystal Structures of (Mo(NHNHCO2Me)(NNCO2Me)(S2CNMe2)2), (Mo(NHNMePh)(NNMePh)(S2CNMe2)2)BPh4, and (ReCl2(NHNHCOPh)(NNHCOPh)(PPh3)2). Mechanism of Formation of Substituted Hydrazines from (Mo(NNRPh)2(S2CNMe2)2) (R: Me or Ph).
Authors: DILWORTH J. R. , HENDERSON R. A. , DAHLSTROM P. , NICHOLSON T. , ZUBIETA J. A.
Published: May 2016

Bis(hydrazido(2‐)) complexes such as Mo(N2R1Ph)2(S2CNR22)2 (R1: Me, Ph; R2: Me, Et) react with an excess of HX in methanol (generated in situ by addition of Me3SiX) to give the corresponding hydrazine and the dichloro complexes MoCl2(N2R1Ph)(S2CNR22)2.
ChemInform Abstract: Preparation of Incomplete Cubane‐Type Sulfur‐Capped Tungsten(IV) Aqua Ion, W3OS4+ 3, and X‐Ray Structure of K2(W3OS3(N(CH2CO2)2(CH2CO2H))3)·KCl·7 H2O.
Authors: SHIBAHARA T. , TAKEUCHI A. , KUROYA H.
Published: May 2016

The preparation of the W3OS34+ aqua ion (probably (W3OS3(H2O)9)4+) in solution starting with W3S44+ is achieved by known methods.
ChemInform Abstract: Kinetics and Mechanism of Ring Closure for a Series of Photoproduced (M(CO)5L) Intermediates (M: Cr, Mo or W; L: Pyridine 2‐Carbaldehyde Imine Ligand).
Authors: CHAN L. , LEES A. J.
Published: May 2016

Light irradiation of a solution of the hexacarbonyls (I) in the presence of the ligands (II) (prepared by 1:1 condensation in 35‐40% yield) produces transient complexes of type (III), in which the normally bidentate ligand is coordinated in a monodentate fashion.
ChemInform Abstract: (Peroxotetraphenylporphinato)manganese(III) and (Chlorotetraphenylporphinato)manganese(II) Anions. Syntheses, Crystal Structures, and Electronic Structures.
Authors: VANATTA R. B. , STROUSE C. E. , HANSON L. K. , VALENTINE J. S.
Published: May 2016

The potassium cryptate salts of the title anions (I) and (II) are prepared by reaction of tetraphenylporphinato manganese(II) in THF with Cl‐ and O2‐, respectively (no yields given).
ChemInform Abstract: Nitrite‐Induced Carbyne to Acyl Conversion. Unprecedented Formation of an Arylglyoxyl Ligand via Coupling of an Oxidized Carbyne with a Coordinated Carbon Monoxide.
Authors: SHERIDAN J. B. , GEOFFROY G. L. , RHEINGOLD A. L.
Published: May 2016

The reactions of the carbyne complexes (I) and (V) with NO2‐, a potential oxygen atom donor, are investigated.
ChemInform Abstract: Macrocyclic Dicarbinolamine Complexes of Nickel(II) with Planar N4(N2) Ligands: Synthesis and Spectral and Electrochemical Properties.
Authors: BALASUBRAMANIAN S.
Published: May 2016

The macrocyclic Ni(II) complexes (III) with highly unsaturated planar tetraaza ligands are prepared by the template condensation of the tetraphenyltetraazadecatetraenediones (I) with the o‐phenylenediamines (II) in the presence of Ni(II) acetate.
ChemInform Abstract: Cluster‐Promoted Cleavage of a Phosphorus‐Carbon Bond Under Ambient Conditions. Synthesis, Structure, and Stereospecific Substitution Reactions of the Acyl Cluster Complex Ru3(.mu±eta.2‐C(O)(C6H5))(μ3‐η2‐P(C6H5)(C5H4N))(CO)9.
Authors: LUGAN N. , LAVIGNE G. , BONNET J.‐J.
Published: May 2016

The monosubstituted Ru cluster (I), prepared quantitatively from Ru3(CO)12 and diphenylpyridylphosphine by using (N(PPh3)2)CN as a catalyst, undergoes a spontaneous P‐C bond cleavage at 25 °C. Subsequent migration of the expelled phenyl substituent to coordinated CO yields the acyl title complex (IIa).
ChemInform Abstract: Rhodium Complexes with Phosphine and Diazabutadiene Ligands. Their Properties as Hydrogenation Catalysts. Molecular Structure of RhCl(COD)P(p‐C6H4F)3.
Authors: IGLESIAS M. , DEL PINO C. , CORMA A. , GARCIA‐BLANCO S. , MARTINEZ CARRERA S.
Published: May 2016

The Rh complexes (III), (IV), and (V) are obtained as shown and characterized by IR and 1H NMR spectral data.
ChemInform Abstract: The Synthesis and X‐Ray Crystal Structures of Homoleptic Tetrahedral Aryls of Osmium(IV) and of Cyclohexyls of Ruthenium(IV), Osmium(IV), and Chromium(IV).
Authors: STAVROPOULOS P. , SAVAGE P. D. , TOOZE R. P. , WILKINSON G. , HUSSAIN B. , MOTEVALLI M. , HURSTHOUSE M. B.
Published: May 2016

The interaction of o‐tolylmagnesium bromide or triphenylaluminum with OsO4 (II) leads to the isolation of the homoleptic, tetrahedral compounds (I) or (III).
ChemInform Abstract: Coordination Chemistry of Higher Oxidation States. Part 22. trans‐Dioxo‐osmium(VI) Complexes of Diamines, Diphosphines, and Diarsines.
Authors: HARBRON S. K. , LEVASON W.
Published: May 2016

The reactions of appropriate arsines, phosphines, diarsines, and diphosphines with a mixture of OsO4, concentrated HX, and EtOH produce the dioxo‐Os(VI) complexes (II) and (III).
ChemInform Abstract: Reactions of trans‐(IrCl(CO)(PPh3)2) and trans‐(RhCl(CO)(PPh3)2) with Organic Tetrahalides. Oxidative Addition and Formation of Dihaloalkenes.
Authors: AL‐NAJJAR I. M.
Published: May 2016

The title compounds (I) react with 1,1,2,2‐tetrachloroethane (II) by oxidative addition to yield (III) and the cis‐ethene (IV).
ChemInform Abstract: Mixed Chloro‐Mercapto‐Bridged Dinuclear Platinum(II) Complexes and Their Catalytic Activity in Homogeneous Hydrogenation.
Authors: JAIN V. K. , RAO G. S.
Published: May 2016

The 1:1 molar reaction of the chloro‐bridged dimers (I) with the mercapto‐bridged dimers (II) results in the formation of the title complexes (III), which exist in sym‐cis configuration, and involves a bimolecular intermediate.
ChemInform Abstract: Reactions of Pyridine‐2‐carbaldimines with Chloro‐Bridged Palladium(II) and Platinum(II) 2‐Methylallyl Dimers. Solution Behaviour of the Cationic Complexes (M(η3‐2‐MeC3H4)(py‐2‐CH=NR))+.
Authors: CROCIANI B. , DI BIANCA F. , GIOVENCO A. , BOSCHI T.
Published: May 2016

The reactions of appropriate pyridine‐2‐carbaldimines with the allylic dimers (I) give rise to equilibria between (I), (II), and (III) depending on stoichiometry, concentration, solvent, and temperature.
ChemInform Abstract: Pyrylocyanines. Part 23. Pyrylo‐2‐carbocyanines with Substituents in the Heterocyclic Residues.
Authors: BOIKO I. I. , DEREVYANKO N. A. , ISHCHENKO A. A. , MARKINA T. A. , TOLMACHEV A. I.
Published: May 2016

The cyanines (II) and (IV) are prepared by condensation of the pyrylium salts (I) with triethyl orthoformate or from (I) and the formylmethyleneindoline (III).
ChemInform Abstract: Enantioselective Ring Construction: Synthesis of (+)‐Estrone Methyl Ether.
Authors: TABER D. F. , RAMAN K. , GAUL M. D.
Published: May 2016

The chiral 2‐oxocyclopentanecarboxylates (II) are prepared by Rh‐catalyzed ring closure of the α‐diazo‐β‐ketoesters (I).
ChemInform Abstract: The Ene Reaction of 5‐Allyl‐2ξ‐hydroxy‐5α‐cholestan‐3‐one: An Unusually Facile Ene Reaction.
Authors: MARPLES B. A. , SPILLING C. D.
Published: May 2016

Cholestenone (I) is transformed into the unsaturated acyloin (IX) via the intermediates (III) ‐ (VIII) as shown in the reaction scheme.
ChemInform Abstract: Improved and Large‐Scale Synthesis of Certain Glycosyl Cyanides. Synthesis of 2,5‐Anhydro‐5‐thio‐D‐allononitrile.
Authors: KINI G. D. , PETRIE C. R. , HENNEN W. J. , DALLEY N. K. , WILSON B. E. , ROBINS R. K.
Published: May 2016

Large‐scale preparation of the glycosyl cyanide (II) is achieved by treating the acetylated D‐mannose (I) with trimethylsilyl cyanide in the presence of boron trifluoride.
ChemInform Abstract: Nitroindolenines in the Vincadifformine Series: Intermediates Giving Access to Vincamone and the Azahomoaspidospermane Skeleton.
Authors: LEWIN G. , POISSON J. , TOFFOLI P.
Published: May 2016

As demonstrated by the preparation of (IIc), nitroindolenines (I) undergo demethoxycarbonylation to yield (II) on reaction with nucleophiles.
ChemInform Abstract: Synthesis of (‐)‐Vindoline.
Authors: FELDMAN P. L. , RAPOPORT H.
Published: May 2016

The keto ester (VI) is synthesized as shown in the scheme.
ChemInform Abstract: A Highly Stereoselective Synthesis of an Azaspirolactam Related to Cephalotaxus Alkaloids.
Authors: BRYCE M. R. , GARDINER J. M. , HURSTHOUSE M. B. , SHORT R. L.
Published: May 2016

In order to find ways of preparing cephalotaxus alkaloids such as (I), the ω‐nitrostyrene (II) is transformed into the cyclohexene (III) by Diels‐Alder reaction with butadiene sulfone.
ChemInform Abstract: Synthesis and Biological Properties of 9‐(trans‐4‐Hydroxy‐2‐buten‐1‐ yl)adenine and Guanine: Open‐Chain Analogues of Neplanocin A.
Authors: PHADTARE S. , ZEMLICKA J.
Published: May 2016

The hydroxybutenyl derivatives (IV) and (V) of adenine and guanine are prepared by alkylation of adenine (Ia) and 2‐amino‐6‐chloropurine (Ib) and subsequent hydrolysis.
ChemInform Abstract: A Facile One‐Step Synthesis of 5′‐Phosphatidyl Nucleosides by an Enzymatic Two‐Phase Reaction.
Authors: SHUTO S. , UEDA S. , IMAMURA S. , FUKUKAWA K. , MATSUDA A. , UEDA T.
Published: May 2016

Phospholipase D‐P (III) from Streptomyces sp.
ChemInform Abstract: Concise Total Synthesis of (+)‐(9S)‐Dihydroerythronolide A.
Authors: STORK G. , RYCHNOVSKY S. D.
Published: May 2016

The triol (I), whose synthesis via the butenolide template method is reported in the preceding paper, is used as starting material for the synthesis of the title compound (VII).
ChemInform Abstract: Covalent Binding of Mitomycin C to Nucleosides Under Reductive Conditions.
Authors: ZEIN N. , KOHN H.
Published: May 2016

Quinone containing compounds like (I) are among the most potent clinically useful antineoplastic antibiotic drugs.
ChemInform Abstract: Optically Pure Glycerol Derivatives by Enzymatic Hydrolysis of Prochiral Esters.
Authors: KERSCHER V. , KREISER W.
Published: May 2016

The chiral glycerol derivatives (II) ‐ (VII) are prepared by lipase‐ mediated stereoselective hydrolysis of the diacetate (I) and subsequent esterification or etherification.
ChemInform Abstract: EPR Studies of Interface Defects in Oxidized Silicon
Authors: POINDEXTER E. H.
Published: May 2016

reveal that the most pervasive point defect at the Si/SiO2 interface of MOS structures is the Pb center, a trivalent Si atom with one dangling orbital bonded to the Si at the interface.
ChemInform Abstract: Comparison of the Low‐Temperature ESR Properties of Pb0 Defects Residing at the Interfaces of Differently‐Oxidized Si/SiO2 Structures
Authors: STESMANS A.
Published: May 2016

(Si thermally oxidized at 960 °C in 0.11 MPa O2; Si thermally treated at 960 °C at reduced O2 pressure; and Si covered with its native oxide grown in air at 300 K).
ChemInform Abstract: A Comparison of Anodic Charge‐Transfer Kinetics Between Dark p‐Type and Illuminated n‐Type GaP/Fe(CN)4‐ 6 Interfaces.
Authors: VANMAEKELBERGH D. , YUN L. S. , GOMES W. P. , CARDON F.
Published: May 2016

It is found that the competition between anodic oxidation of Fe(CN)46 and anodic decomposition of dark p‐type GaP can be described by the same kinetic expression previously determined for an illuminated n‐GaP/Fe(CN)64‐ electrode.
ChemInform Abstract: Dielectric Behavior of Adsorbed Water. Part 1. Measurement at Room Temperature on TiO2. Part 2. Measurement at Low Temperatures on TiO2
Authors: MORIMOTO T. , IWAKI T.
Published: May 2016

(0.1 Hz to 5 MHz, 77‐298 K).
ChemInform Abstract: Europium Nitrate Complexation in Aqueous Methanol.
Authors: SILBER H. B. , STROZIER M. S.
Published: May 2016

Three Eu(III)‐NO3‐ complexes are observed in aqueous MeOH: Eu(NO3)2+, Eu(NO3)2+, and Eu(NO3)3.
ChemInform Abstract: Studies of the Interface Between Indium and β/β′′ Alumina Tubes
Authors: BREITER M. W. , CHOUDHURY N. S. , HALL E. L.
Published: May 2016

are carried out at 350 °C (liquid In) by voltammetric techniques using a cell of type A. At anodic currents of about 4 mA cm‐2, the electrolyte tubes are observed to crack; simultaneously, passivation occurs, which is attributed to film formation on In in contact with the molten nitrate through the cracks.
ChemInform Abstract: Hydrogen Evolution on Smooth Stoichiometric Tungsten and Chromium Carbides
Authors: TSIRLINA G. A. , PETRII O. A.
Published: May 2016

(WC, Cr3C2, and Cr7C3) has been investigated by measurements of the steady‐state potentiostatic polarization curves in different electrolytes.
ChemInform Abstract: On the Existence and Lifetime of the Co(NH3)3+ 5 Intermediate in the Substitution Reactions of (NH3)5CoXn+
Authors: JACKSON W. G. , MCGREGOR B. C. , JURISSON S. S.
Published: May 2016

(X: CH3SO3‐, CF3SO3‐, ClO4‐, Me2SO, (MeO)3PO, NH2CONHC6H5, NH2COCH2F, NH2SO2NH2, NH2SO2C6H4·CH3, H2O, N3‐, NCO‐, NH2CO2‐).
ChemInform Abstract: Interactions of Indole Derivatives with Organic Acceptors. Part 3.
Authors: TOSI G. , CARDELLINI L. , CARDILLO B. , BOCELLI G.
Published: May 2016

The indole (I) reacts with the acceptor TCNE (II) to give the adduct (III) (space group P21/c, Z=4) via weak CT interactions.
ChemInform Abstract: Electrochemical Reduction of exo‐5‐Acetyl‐endo‐6‐trichloromethylbicyclo(2.2.1)hept‐2‐ene.
Authors: TSUBOI S. , ISHIGURO Y. , TAKEDA A.
Published: May 2016

While conventional reduction (Zn/AcOH) of the title compound (Ia) affords (Id) in only 13% yield, the substrate can be selectively converted to either (Ib) or (Ic) by electrochemical reduction at a mercury cathode using the supporting electrolytes and solvents given in the scheme.
ChemInform Abstract: Cyanide Substitution in Aryl Halides by Copper(I) Complexes Derived from Formamide and from Formaldehyde Oxime.
Authors: CONNOR J. A. , GIBSON D. , PRICE R.
Published: May 2016

The Cu complexes (II), (III), and (VI) derived from formamide, as well as (IV) and (V) derived from formaldehyde oxime react with the aryl bromide (Ia) to form the corresponding aryl cyanide (Ib), and the products (Ic) and (Id) of reductive substitution and biaryl coupling.
ChemInform Abstract: Reaction of 4‐Bromo‐1,2‐dimethylbenzene with Various Nucleophiles via Aryne Reaction.
Authors: BIEHL E. R. , RAZZUK A. , JOVANOVIC M. V. , KHANAPURE S. P.
Published: May 2016

4‐Bromo‐o‐xylene (I) reacts with nucleophiles such as the amines (II), the nitriles (VII), or the thiols (X) in the presence of bases to produce predominantly the 4‐substituted derivatives (III), (VIII), or (XI).
ChemInform Abstract: Addition Reactions of (Phenylsulfonyl)propadiene with 1‐Pyrrolidinyl Enamines of Cyclic Ketones: Syntheses and Reactions of 1,3‐Dienes Possessing an Allyl Sulfone Moiety.
Authors: HAYAKAWA K. , TAKEWAKI M. , FUJIMOTO I. , KANEMATSU K.
Published: May 2016

The cyclic ketones (I) are converted to the pyrrolidinyl enamines (III) which react with the sulfonylallene (IV), producing the Michael‐type adduct (V) and/or its isomer (VI), together with (VII).
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Reactions of Nitrilium Betaines with Aryl Thiocyanates and Selenocyanates.
Authors: GREIG D. J. , HAMILTON D. G. , MCPHERSON M. , PATON R. M. , CROSBY J.
Published: May 2016

Cycloaddition of the aryl nitrile oxides generated in situ by thermal HCl elimination of (I) or of the aryl nitrile sulfides generated by thermal decarboxylation of (IV) with the thiocyanates (II) affords the oxadiazoles (III) or the thiadiazoles (V).
ChemInform Abstract: Heteroatom Rearrangements. Extension to Aliphatic Carboxylic Acids.
Authors: YOKOYAMA M. , SATO K. , TATENO H. , HATANAKA H.
Published: May 2016

Condensation of the acrylamides (I), (V) or (VII) with the carboxylic acids (II) in the presence of PPSE leads to the heterocycles (III), (IV), (VI) or (VIII) or to the chain products (IX).
ChemInform Abstract: A Michael Addition‐Induced Favorskii Rearrangement.
Authors: TSUBOI S. , NAGAE H. , YAMATO H. , TAKEDA A.
Published: May 2016

The reaction of 6‐chloro‐2‐isopropylidenecyclohexanone (Ia) with NaOMe affords the product (IIa), which results by simple substitution, and the methyl 2‐isopropylidene‐1‐cyclopentanecarboxylate (IIIa) as the main product along with the methyl trans‐(1‐methoxy‐1‐methylethyl)‐1‐cyclopentanecarboxylate (IVa).
ChemInform Abstract: N‐(Alkylphenylphosphinoyl)hydroxylamines: Highly Selective Migration of the Phenyl Group in the Base‐Induced Rearrangement of Their O‐Methylsulfonyl Derivatives.
Authors: HARGER M. J. P. , SMITH A.
Published: May 2016

The methanesulfonates (III) rearranges on treatment with excess anhydrous amine (or Na methoxide) to give the phosphonic diamides (or amidester) (V) almost quantitatively.
ChemInform Abstract: An Unusual Rearrangement of a Benzoxazepinone to an Indoline.
Authors: SZMUSZKOVICZ J. , CHIDESTER C. G. , LAURIAN L. G. , SCAHILL T. A.
Published: May 2016

The benzoxazepinone (IIb), prepared from the aminobenzhydrol (Ia) via (Ib) and (IIa), undergoes rearrangement upon reduction with lithium aluminum hydride to give the indolinecarbaldehyde (III).
ChemInform Abstract: Photochemical Reinvestigation of a 5‐Phenyl‐2‐pyrazoline and Its Product Azocyclopropanes.
Authors: ENGEL P. S. , BODAGER G. A.
Published: May 2016

The photolysis of the pyrazoline (I) yields a mixture of 21 compounds from which (II) ‐ (VII) are isolated.
ChemInform Abstract: Photochemistry of 5‐ and 6‐Iodouracils in the Presence of Allylsilanes and Alkenes. A Convenient Route to C5 and C6‐Substituted Uracils.
Authors: SAITO I. , IKEHIRA H. , MATSUURA T.
Published: May 2016

Irradiation of the iodouracils or iodouridines (I) and (X) in the presence of unsaturated compounds such as (II), (V), (VIII), and (IX) yields the alkylated uracil derivatives (III), (VI), and (VII) or (XI), together with the dehalogenated compounds (IV).
ChemInform Abstract: The Preparation and Absolute Configuration of the Optically Active Forms of the Diastereoisomers of 2‐(1‐Phenylethyl)amino‐1‐phenylethanol and Their Use as Chiral Auxiliaries in the Asymmetric Reduction of Acetophenone with Modified Lithium Aluminium Hydrides.
Authors: GARRY S. W. , NEILSON D. G.
Published: May 2016

Condensation of the phenylglyoxal (I) with racemic, (R)‐ or (S)‐phenylethylamine (II) and subsequent reduction yields the configurationally different amino alcohols (IV) and (V).
ChemInform Abstract: Carbopalladation of Allenic Hydrocarbons. A New Way to Functionalized Styrenes and 1,3‐Butadienes.
Authors: AHMAR M. , BARIEUX J.‐J. , CAZES B. , GORE J.
Published: May 2016

The palladium‐catalyzed coupling reaction of the allene (I) with the bromides (IV) and the anion generated from (V) to give the (E)‐ and (Z)‐butadienyl malonates (II) and (III) is regiospecific and in some cases stereoselective with predominant formation of the (E)‐configuration.
ChemInform Abstract: A Highly Stereoselective Synthesis of (E)‐Enol Lactones by the Wittig Reaction of Cyclic Anhydrides with (α‐Alkoxycarbonylethylidene)triphenylphosphorane.
Authors: TSUBOI S. , FUKUMOTO H. , WADA H. , TAKEDA A. , FUKUYAMA K.
Published: May 2016

Reaction of the glutaric anhydrides (I) with the phosphoranes (II) gives mixtures of the exo‐enol lactones (III) and the endo‐enol lactones (IV); the geometry of (IIIa) is determined by an X‐ray analysis (space group P21/a, Z=4).
ChemInform Abstract: Highly Stereo‐ and Regioselective Alkylation of Alkylidenemalonates. Its Application to the Synthesis of (.+‐.)‐Canadensolide.
Authors: TSUBOI S. , MURANAKA K. , SAKAI T. , TAKEDA A.
Published: May 2016

Deconjugative alkylation of the alkylidenemalonates (I) gives the products (III).
ChemInform Abstract: Asymmetric Induction with Amidocuprates.
Authors: BERTZ S. H. , DABBAGH G. , SUNDARARAJAN G.
Published: May 2016

About 50 optically active amines such as (I) are screened to give a chiral organocuprate by reaction with butyllithium and phenylcopper (II).
ChemInform Abstract: Reactivity of 1,2‐Benzisoxazole 2‐Oxides.
Authors: BOULTON A. J. , TSOUNGAS P. G. , TSIAMIS C.
Published: May 2016

Nitration of the title compounds (Ia) and (IIa) yields the derivatives (Ib) and (IIb), respectively.
ChemInform Abstract: Synthesis of β,γ‐Unsaturated Ketones and γ‐Hydroxy Carbonyl Compounds from Methyl 2‐Siloxycyclopropanecarboxylates.
Authors: BRETSCH W. , REISSIG H.‐U.
Published: May 2016

The title ketones (III) or (VI) are prepared starting from the cyclopropane derivatives (I) or (V).
ChemInform Abstract: Cyclobut‐2‐enones from Alkynes via Dichlorocyclobut‐2‐enones.
Authors: AMMANN A. A. , REY M. , DREIDING A. S.
Published: May 2016

The (2 + 2) cycloaddition of dichloroketene, prepared in situ from the acid chloride (II), with the alkynes (I) yields the isomeric cyclobutenones (III) and (IV).
ChemInform Abstract: Microbial Oxidation in Synthesis: A Six Step Preparation of (.+‐.)‐Pinitol from Benzene.
Authors: LEY S. V. , STERNFELD F. , TAYLOR S.
Published: May 2016

The cyclohexadienediol (IIa), which is produced from benzene (I) using biochemical oxidation as the key step, is benzoylated to give the ester (IIb).
ChemInform Abstract: Ketene Equivalents. Part 11. A Formylcarbonium Ion Synthon. Synthesis of 3‐Thio‐Substituted 2‐Amino Acids and Thio‐Substituted Enamines from 2‐Acyloxyacrylonitriles.
Authors: OKU A. , HORI‐IE N. , HARADA T.
Published: May 2016

Michael addition of the thio compounds (II) to the nitrile (I) yields the products (III) and thiol esters and acetates as by‐products.
ChemInform Abstract: Synthesis of Some Isomeric Triepoxides of 1,3,5‐Hexatriene from Hexitols.
Authors: KOELL P. + , KOPF J. , METZGER J. O. , SCHWARTING W. , OELTING M.
Published: May 2016

Payne oxidation of the known diepoxides erythro‐(I) and threo‐(III) under mild conditions affords the novel "conjugated" triepoxides, the DL‐gluco derivative (II) or a separable mixture of the D‐ido compound (IV) and the D‐manno compound (V).
ChemInform Abstract: Synthesis of New N‐Aminoaziridine Derivatives by the Addition of Dibenzyloxycarbonylaminonitrene to Olefins.
Authors: MILCENT R. , GUEVREKIAN‐SOGHOMONIANTZ M. , BARBIER G.
Published: May 2016

The N‐di(benzyloxycarbonyl)hydrazone (IV) is prepared and converted to the hydrazine (VI) which is diazotized to form the amine (VII).
ChemInform Abstract: Triaziridines. Part 8. Acylation of Dialkyl‐triaziridines.
Authors: HILPERT H. , HOESCH L. , DREIDING A. S.
Published: May 2016

The reaction of the aziridine (I) with the chloro ester (II) in the presence or in the absence of pyridine (III) yields the derivative (IV).
ChemInform Abstract: Asymmetric Synthesis of trans‐β‐Lactams Through TiCl4‐Mediated Addition to Imines.
Authors: GENNARI C. , VENTURINI I. , GISLON G. , SCHIMPERNA G.
Published: May 2016

The silyl ketene acetal (I) couples with the imine (II) in the presence of excess TiCl4 to produce the amino ester (III) which is cyclized to give the lactam (IV).
ChemInform Abstract: Synthesis of 2‐Hydroxy‐3‐methyl‐2‐hexen‐4‐olide.
Authors: STACH H. , HUGGENBERG W. , HESSE M.
Published: May 2016

The title compound (IV), a substance used for food flavoring, is synthesized starting from the ester (Ia) via isomerization of the double bond and self‐condensation of the resulting 2‐oxobutanoate (→ (IIIa)) followed by hydrolysis and decarboxylation.
ChemInform Abstract: Synthesis of an Optically Active α‐Methylene Lactone Starting from Isosaccharinic Acid.
Authors: BOCK K. , CASTILLA I. M. , LUNDT I. , PEDERSEN C.
Published: May 2016

Treatment of the isosaccharinic acid salt (I) with HBr/AcOH yields a mixture of the bromo lactones (IIa) + (IIb) which are converted to the compounds (IIIa) + (IIIb) as well as to the methylene compound (IV), the hydrogenation of which produces (IIIb) in high yield.
ChemInform Abstract: Synthesis of 5‐Phenylnaphtho(1,2‐b)benzofuran by Ambident Alkylation of 1‐Naphthol.
Authors: CAMPAIGNE E. , WEDDLETON R. F.
Published: May 2016

α‐Naphthol (I) undergoes ring closure with 2‐chlorocyclohexanone (II) to give the naphthobenzofuran (III) as the main product.
ChemInform Abstract: A Novel Synthesis of Benzofuran and Related Compounds. Part 3. The Vilsmeier Reaction of Phenoxyacetaldehyde Diethyl Acetals.
Authors: HIROTA T. , FUJITA H. , SASAKI K. , NAMBA T.
Published: May 2016

The phenolates (I) react with the bromo acetal (II), yielding the ethers (III).
ChemInform Abstract: Stereoselective Synthesis of (E)‐, (E,Z)‐, and (E,E)‐Conjugated Dienes via Alkylation of 3‐Sulfolenes as the Key Step.
Authors: YAMADA S. , OHSAWA H. , SUZUKI T. , TAKAYAMA H.
Published: May 2016

3‐Sulfolene (I) is alkylated regioselectively in the 2‐ and 5‐position to give the mono‐alkyl derivatives (III) or the disubstituted compounds (IV) and (V) with predominance of the trans‐products (IV).
ChemInform Abstract: Synthesis of 1‐(o‐Substituted‐Phenyl)‐3,4‐dimethylenepyrrolidines by the Thermal Elimination of Sulfur Dioxide.
Authors: OTTENBRITE R. M. , CHIN H. , ALSTON P. V.
Published: May 2016

The bis(bromomethyl)sulfolene (I) reacts with the o‐substituted anilines (II), producing the fused pyrroline (III), the aminomethylmethylenesulfolenes (IV), and the disubstituted derivatives (V).
ChemInform Abstract: Unusual Reaction of 6H‐6‐Oxo‐5‐haloanthra(1,9‐cd)isoxazoles with Quinolines.
Authors: GORNOSTAEV L. M. , ZEIBERT G. F.
Published: May 2016

The isoxazoles (I) react with the quinolines (II) or (VI) in the presence of water to give the fragmentation products (IV) and (V) or (VIII) of the quaternary quinolinium salts (III) and (VII) which cannot be isolated.
ChemInform Abstract: Synthesis of 3‐(2‐Benzothiazolylthio)propanenitrile and Related Products.
Authors: D'AMICO J. J. , SUBA L. , RUMINSKI P. G.
Published: May 2016

Reaction of acrylonitrile (IIa) and acrylamide (IIb) with the 2‐mercaptoazoles (I) under basic conditions yields the N‐substituted derivatives (III) and (IV).
ChemInform Abstract: One‐Pot Synthesis of Unsymmetrically Substituted 2,4‐Dialkylisoflavenes.
Authors: ALBEROLA A. , ANDRES C. , GONZALEZ ORTEGA A. , PEDROSA R. , VICENTE M.
Published: May 2016

The benzopyranon (Ia) is silylated to form (Ib) which reacts with the trialkylaluminum compounds (II) to give the symmetrical and asymmetrical isoflavenes (IV) via the adducts (III).
ChemInform Abstract: Synthesis of Aminoquinolone Derivatives.
Authors: KRISHNAN R. , LANG S. A. JUN. , SIEGEL M. M.
Published: May 2016

3‐Chloro‐4‐fluoroaniline hydrochloride (I) is transformed into the fluorochloroanthranilic acid (VII) which is cyclized with the nitroacetaldoxime (VIII), yielding the nitroquinolone (X).
ChemInform Abstract: Polyynes. Part 9. Reactions of Butadiynediamines and of One Butadiynamine with Aryl Isocyanates.
Authors: BARZ M. , FEUSTEL M. , HIMBERT G. , MAAS G.
Published: May 2016

The reactions between the butadiynediamines (I) and the aryl isocyanates (II) or (V) afford the 2‐quinolones (III) or (VI) with an aminoethynyl side chain.
ChemInform Abstract: Heterocycles. Part 9. Synthesis of New Substituted Benzo(h)quinolones.
Authors: EL‐RAYYES N. R. , AL‐SALEH B. , AL‐OMRAN F. , EDUN M.
Published: May 2016

The 2‐benzylidene‐1‐tetralones (I) are coupled with the anions (II) derived from arylacetamides to give the tetrahydrobenzoquinolones (III).
ChemInform Abstract: A Facile Synthesis of 5,7‐Dihydro‐5‐oxopyrido(3′,2′:5,6)pyrimido‐(1,2‐a)benzimidazoles. A New Heterocyclic Ring System.
Authors: CAROTI P. , CECCOTTI C. , DA SETTIMO A. , PALLA F. , PRIMOFIORE G.
Published: May 2016

Reaction between the benzimidazoles (I) and 2‐chloropyridine‐3‐carbonyl chloride (IIb) produces the amides (III) which are reduced to form the amines (V).
ChemInform Abstract: Synthesis of Variants of 5‐Benzylacyclouridine and 5‐Benzyloxybenzylacyclouridine.
Authors: CHU S.‐H. , CHEN Z.‐H. , WENG Z.‐Y. , ROWE E. C. , CHU E. , CHU M.‐Y. W.
Published: May 2016

The chloroethyl ether (III), obtained from (I) and the aldehyde (II), is coupled with the dimethoxypyrimidines (IV) in the presence of hexamethyldisilazane to give the substitution products (V) which are hydrolyzed, forming (VI).
ChemInform Abstract: Studies on Pyrazines. Part 15. A Convenient Synthesis of 2,5‐Dihydroxypyrazines.
Authors: SATO N. , KATO Y.
Published: May 2016

The 2,5‐dimethoxypyrazines (Ia) and (Ib) react with trimethylsilyl iodide in sulfolane to give the dihydroxy derivatives (II).
ChemInform Abstract: Two Naturally Not Occurring Pteridine Pigments.
Authors: NETSCHER T. , STRAUSS C.
Published: May 2016

The syntheses of the artefacts (III) and (VI), which result from workup of biological material containing xanthopterin (I) and isoxanthopterin (II), are described.
ChemInform Abstract: Synthesis of 1‐ and 4‐Substituted‐5H‐benzo(a)phenoxazin‐5‐ones.
Authors: HAYAKAWA H. , NAN'YA S. , YAMAMOTO T. , MAEKAWA E. , UENO Y.
Published: May 2016

Reaction of o‐aminophenol (I) with the dichloronaphthoquinones (II) produces the benzophenoxazines (III) and (IV).
ChemInform Abstract: Synthesis of Some 5H‐Benzo(a)phenothiazin‐5‐one Derivatives.
Authors: UENO Y. , NAN'YA S. , HAYAKAWA H. , KANG W.‐B. , MAEKAWA E.
Published: May 2016

The title compounds (III) and (V) are prepared by condensation of 2‐aminobenzenethiol (II) with the naphthoquinones (I) or (IV), respectively.
ChemInform Abstract: Synthesis, 13C‐NMR Characterization, and Antimicrobial Properties of a Novel Series of 3‐(N‐Substituted Thiocarbamoyl)hydrazino‐1,2,4‐triazino(5,6‐b)indole Derivatives.
Authors: OMAR A.‐M. M. E. , ESHBA N. H. , ABOUSHLEIB H. M.
Published: May 2016

The hydrazino‐1,2,4‐triazinoindoles (III), synthesized from the indole2‐,3‐diones (I) and thiosemicarbazide (II), react with the isothiocyanates (IV), yielding the thiocarbamoyl derivatives (V).
ChemInform Abstract: A New Method of Preparation of 1H‐1,2‐Benzodiazepines by the Rearrangement of 2,4,6‐Trichlorophenylhydrazones.
Authors: CAMPION C. , DICKENS J. P. , MYERS P. L.
Published: May 2016

The hydrazones (I) cyclize in the presence of amines such as triethylamine or N‐methylmorpholine to form the benzodiazepines (II).