bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: A Zirconium(IV) Ion‐Selective Coated Wire Electrode,
Authors: KAR R. , CHATTOPADHYAYA M. C. 
Published: May 2016

Abstractin which a solution complex of α‐nitroso‐β‐naphthol with Zr(IV) is used as the electroactive material, is found to be selective for Zr(IV) in the presence of Fe(III), Al(III), Cr(III), La(III), Sn(IV), and Th(IV) ions.
ChemInform Abstract: Soluble Copper(II) Alkoxide for Solution‐Based Syntheses of YBa2Cu3O7‐x.
Authors: GOEL S. C. , KRAMER K. S. , GIBBONS P. C. , BUHRO W. E. 
Published: May 2016

AbstractA new Cu(II) alkoxide Cu(OCH2CH2OCH2CH2OMe)2 (I), obtained as blue solid by the alcohol‐exchange procedure of Mehrotra et al. (1981) is soluble in benzene, toluene, and THF.
ChemInform Abstract: Predominant Inversion of Configuration in an Intramolecular Carbene Addition to an Alkene.
Authors: WIBERG K. B. , CHAVES A. 
Published: May 2016

AbstractWith regard to a planned synthesis of the tetracyclic compound (V) (R‐R: ‐CH2‐CH2‐) and with the synthesis of (V) (R: ‐H) by Skattebol (1966) in mind, the dibromocyclopropane (IIIa) is reacted with MeLi.
ChemInform Abstract: Reactions Related to Coenzyme B12 Dependent Rearrangements: Metal Mediated Free Radical Acyl Migrations in Methyl and Cyclopropyl Substituted Models.
Authors: BEST W. M. , WIDDOWSON D. A. 
Published: May 2016

AbstractIn continuation of studies on rearrangements related to B12 catalyzed reactions, novel model compounds are intended to mimic the free radical methylmalonylCoA‐succinylCoA rearrangement.
ChemInform Abstract: Diels‐Alder Adducts on the b Side of Naphthalene: Rapid Cycloreversion of o‐Quinodimethanes.
Authors: GRIMME W. , HOENER P. + , KAEMMERLING H. T. + , WALDRAFF R. , WIRZ J. 
Published: May 2016

AbstractThe cycloreversion of the naphthalene adducts (II) to (III) and (IV) is extremely fast, since, in contrast to reaction of adducts of type (V) (only (Va) is examined experimentally), the full resonance energy is released.
ChemInform Abstract: Converted Bimolecular Substitution Reactions of Acetal Derivatives of Propionaldehyde and Benzaldehyde.
Authors: AMYES T. L. , JENCKS W. P. 
Published: May 2016

AbstractSubstitution reactions of (I), (III), and even (V) with anionic nucleophiles such as Cl‐, Br‐, N3‐, SCN‐, NO3‐, and S2O32‐ give unstable adducts that break down to the corresponding aldehydes (detailed kinetics, mechanisms).
ChemInform Abstract: Thermal Generation of α,3‐Dehydrotoluene from (Z)‐1,2,4‐Heptatrien‐6‐yne.
Authors: MYERS A. G. , KUO E. Y. , FINNEY N. S. 
Published: May 2016

AbstractFrom thermolysis experiments of (V) in MeOH, MeOH/(VI) mixtures, CCl4 (X), cyclohexadiene (VI), and CD3OH (same kinetics as in (VI)) it is concluded that (V) undergoes rate‐limiting, first‐order transformation to intermediate α,3‐dehydrotoluene of type (XIII).
ChemInform Abstract: Rhodium(I) Complexes of β‐Diketonates and Related Ligands as Hydrosilylation Catalysts.
Authors: CULLEN W. R. , WICKENHEISER E. B. 
Published: May 2016

AbstractThe rhodium β‐diketonato complexes (VII) and the chiral O,N‐bidentate ligands (R)‐(X) and (R)‐(XII), prepared as shown in the reaction scheme, are employed in the hydrosilylation of acetophenone (XIIIa).
ChemInform Abstract: Highly Stereoselective Reduction of Methyl Ketone Complexes of the Chiral Lewis Acid ((η5‐C5H5)Re(NO)(PPh3))+ by K((s‐C4H9)3BH). Synthesis of Optically Active Secondary Alcohols and Derivatives.
Authors: DALTON D. M. , GLADYSZ J. A. 
Published: May 2016

AbstractThe rhenium ketone complexes (+)‐ and (±)‐(I) are treated with potassium tris(sec‐butyl)borohydride to form the chiral rhenium alkoxides (II) with satisfactory diastereoselectivities.
ChemInform Abstract: A New Method for Preparation of Alcohols from Olefins with Molecular Oxygen and Phenylsilane by the Use of Bis(acetylacetonato)cobalt(II).
Authors: ISAYAMA S. , MUKAIYAMA T. 
Published: May 2016

AbstractThe olefin (I) is treated with the silanes (II) in the presence of oxygen and cobalt(II) acetylacetonate to form the silyl peroxides (III) and the alcohol (IV).
ChemInform Abstract: Reactions of Some Aromatic Amines with Cinnamoyl Isothiocyanate.
Authors: ELGHANDOUR A. H. H. , RAMIZ M. M. M. , IBRAHIM M. K. A. , ELMOGHAYAR M. R. H. 
Published: May 2016

AbstractThe o‐substituted anilines (I) react with cinnamoyl isothiocyanate (II), producing the N‐cinnamoyl‐N‐phenylthioureas (III).
ChemInform Abstract: Facile Cleavage of Aryl Haloacetates and 2‐Chloroethyl Carboxylic Esters with Sodium Telluride. A One‐Pot Conversion of Aryl Esters into Aryl Ethers Under Aprotic Conditions.
Authors: SUZUKI H. , PADMANABHAN S. , OGAWA T. 
Published: May 2016

AbstractThe chloroacetates (I) derived from phenols or naphthols are cleaved upon treatment with disodium telluride to produce the corresponding hydroxyarenes (II) after acidic work‐up.
ChemInform Abstract: Addition Reactions of Diazotropilidene with Monosubstituted Ethylenes Leading to 3‐Substituted Indanones.
Authors: SAITO K. , TAKAHASHI K. 
Published: May 2016

AbstractThe sodium salt (I) of tropone tosylhydrazone (I) reacts with the activated olefins (II) via 1,3‐dipolar cycloaddition of diazotropilidene intermediately formed and subsequent rearrangement to produce mixtures of the indanones (III) and the bicyclo(5.2.0)nonatrienes (IV).
ChemInform Abstract: Synthesis and Reactivity of Benzylic Epoxides Derived from 1,2,3,9,10,10a‐Hexahydrophenanthrene. Search for a Unified Mechanism for the Ring Opening of 2‐Aryloxiranes.
Authors: CHINI M. , CROTTI P. , MACCHIA F. 
Published: May 2016

AbstractThe hexahydrophenanthrene (VII), prepared by intramolecular Wittig olefination of the decalone derivative (VI), is epoxidized to form the diastereomeric oxiranes (VIII) and (IX).
ChemInform Abstract: α,β‐Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. Part 22. Stereospecific Desulfinylation of Sulfinylaziridines with Alkylmetals: A Novel Synthesis Including Asymmetric Synthesis of Z‐N‐Arylaziridines and Some Mechanistic Studies.
Authors: SATOH T. , SATO T. , OOHARA T. , YAMAKAWA K. 
Published: May 2016

AbstractThe α‐chloroalkyl sulfoxides (I) are deprotonated and then coupled with the benzalanilines (II) to form the β‐chloro‐β‐sulfinylamines (III).
ChemInform Abstract: Stereocontrolled Functionalization of Cycloheptadiene Using Organometallic Chemistry: Synthesis of the (+)‐Prelog‐Djerassi Lactone and a Tylosin Subunit.
Authors: PEARSON A. J. , LAI Y.‐S. , LU W. , PINKERTON A. A. 
Published: May 2016

AbstractThe cycloheptadienes (I) are subjected to singlet oxygenation, producing selectively the endoperoxides (II) which are the starting materials for various stereoselective transformation, e.g. basic cleavage, yielding the keto enols (III), or reduction to give the diols (IV).
ChemInform Abstract: Synthesis of 7,9‐Diphenyl‐3‐methylene‐1‐oxa‐8‐azaspiro(4.5)decan‐2‐one.
Authors: IKRAMUDDEN T. M. , CHANDRASEKARA N. , RAMARAJAN K. , SELVARAJ K. , MULEKAR S. V. , BERLIN K. D. 
Published: May 2016

AbstractThe piperidin‐4‐ones (I) undergo Reformatskii reaction with the bromomethacrylate (II) and zinc, forming the intermediate piperidinyloxyzinc bromides (III) which are cyclized upon treatment with acids to produce the spirolactones (IV).
ChemInform Abstract: Asymmetric Oxidation of Some 1,3‐Dithianes in the Presence of Chiral Titanium Complexes.
Authors: SAMUEL O. , RONAN B. , KAGAN H. B. 
Published: May 2016

AbstractA modified Sharpless oxidation method using cumene hydroperoxide, tetra(isopropoxy)titanium, and (+)‐diethyl tartrate is applied to the 1,3‐dithianes (I) which are converted to the monosulfoxides (II).
ChemInform Abstract: Effective Activation of Carbonyl and Related Compounds with Phosphonium Salts. The Aldol and Michael Reactions of Carbonyl Compounds with Silyl Nucleophiles and Alkyl Enol Ethers.
Authors: MUKAIYAMA T. , MATSUI S. , KASHIWAGI K. 
Published: May 2016

AbstractThe silyl enol ethers (I) are coupled with the aldehydes (II) in the presence of quaternary phosphonium salts to form the O‐silyl aldols (III).
ChemInform Abstract: Prototropic Migrations in Phosphorylated 2‐Azaallyl Systems. Part 4. Phosphorylation of N‐Benzylidene‐2,2,2‐trifluoro‐1‐chloroethylamine and Its Prototropic Isomers with Dialkyl Fluorophosphites and Sterically Hindered Trialkyl Phosphites.
Authors: ONYS'KO P. P. , KIM T. V. , KISELEVA E. I. , SINITSA A. D. 
Published: May 2016

AbstractThe chloro imine (I) and the imidoyl chloride (V) are coupled with the fluorophosphites (II) or the phosphites (VI) to give the corresponding α‐amino phosphonates (III), (VII), and (VIII) or the α‐imino phosphonates (IV) and (IX).
ChemInform Abstract: Facile Arene C‐H Bond Activation by Tantalum Silyl Complexes.
Authors: BERRY D. H. , JIANG Q. 
Published: May 2016

AbstractIt is shown that the addition of benzene to an otherwise unreactive Ta(III) alkyl complex (I) can be catalyzed by di‐tert.‐butylsilane and that an isolated silyl complex (V) itself activates benzene under extremely mild conditions.
ChemInform Abstract: Reactions of Complex Ligands. Part 37. Activated Aminocarbene Complexes of the Fischer Type. Synthesis, Structure and Anellation Reactions.
Authors: DOETZ K. H. + , GROTJAHN D. , HARMS K. 
Published: May 2016

AbstractAminocarbene complexes such as (III) can be activated by introduction of acyl or Boc functions to give five‐membered complexes such as (V).
ChemInform Abstract: Reductive Nitrosylation of Tetraoxometalates. Part 15. Generation of Mn(NO)3+, Mn(NO)2+, and Mn(NO)2+ 2 Moieties Directly from MnO‐ 4. Synthesis, Characterization, and Electrochemistry of Cyanonitrosyl Derivatives of Manganese.
Authors: BHATTACHARYYA R. , GHOSH N. , BHATTACHARJEE G. P. 
Published: May 2016

AbstractIn an aqueous‐alkaline medium KMnO4 (I) undergoes an apparently single‐step nitrosylation reaction in the presence of an excess of NH2OH·HCl (III) and KCN (II) to afford complexes containing Mn(NO)2+, Mn(NO)22+, or Mn(NO)3+ moieties.
ChemInform Abstract: Synthesis and Characterization of Mixed‐Ligand Technetium(II) Complexes Containing Halides, Phosphines, and Either 2,2′‐Bipyridine, 1,10‐Phenanthroline, or 2,2′:6′,2′′‐Terpyridine. X‐Ray Crystal Structures of cis(Cl),trans(P)‐(TcCl2(P(CH3)2C6H5)2(phen)) and trans(P)‐(TcBr(P(CH3)2C6H5)2(terpy))SO3CF3.
Authors: WILCOX B. E. , HO D. M. , DEUTSCH E. 
Published: May 2016

AbstractThe neutral Tc(II) complexes (III) are prepared by replacement of one halide and one phosphine ligand in mer‐Tc(III) complexes, as demonstrated with (I), followed by base‐induced reduction.
ChemInform Abstract: Transition Metal‐Mediated Asymmetric Synthesis. Part 10. Homochiral π‐Complexes with Planar Chirality: Synthetic Equivalents of Chiral Cyclohexadiene Dications.
Authors: HOWARD P. W. , STEPHENSON G. R. , TAYLOR S. C. 
Published: May 2016

AbstractThe cis‐diol (Ia), obtained by microbial oxidation of toluene, is converted to the bis(methyl ether) (Ib) and the diacetoxy derivative (Ic).
ChemInform Abstract: The Roles of Aminocarbyne Intermediates and Intramolecular Electron Transfer in the Formation of Carbon‐Carbon Bonds by the Coupling of Isocyanides.
Authors: WU J. , FANWICK P. E. , KUBIAK C. P. 
Published: May 2016

AbstractThe binuclear Ir(I) complex (II) crystallizes in P21 with Z=2.
ChemInform Abstract: Compounds with Platinum‐Molybdenum or ‐Tungsten Bonds Derived from the Alkylidyne Metal Complexes (M(CR)(CO)2(η‐C5H5)) (M: Mo or W; R: C6H4Me‐4 or C6H3Me2‐2,6).
Authors: SPANIOL T. P. , STONE F. G. A. 
Published: May 2016

AbstractThe reaction of Pt(C2H4)2(PiPr3) (generated in situ) with the parent alkylidyne complexes (I) affords the electronically unsaturated 30‐electron dimetal complexes (V).
ChemInform Abstract: A New Chiral Route Toward Terpenoids. Annulation of Carvone to transand cis‐Fused Bicyclic Synthons.
Authors: GESSON J.‐P. , JACQUESY J.‐C. , RENOUX B. 
Published: May 2016

AbstractTwo consecutive alkylations of carvone (I) lead to the products (IV).
ChemInform Abstract: Microbiological Transformations. Part 11. Microbiological Transformations of A‐Nor‐, A‐Homo‐, and A‐Ring‐Heterocyclic Steroids with the Fungus Aspergillus ochraceus.
Authors: CRABB T. A. , RATCLIFFE N. M. 
Published: May 2016

AbstractThe size of ring A of the steroids (I) does not influence their hydroxylation with the title fungus.
ChemInform Abstract: A Convenient “Hydrogen Transfer” Hydrogenation of Testosterone.
Authors: SPYRIOUNIS D. M. , IKONOMIDIS G. , DEMOPOULOS V. 
Published: May 2016

AbstractThe metabolites (II) and (III) of testosterone (I) are prepared by hydrogen transfer from sodium hypophosphite to (I) in the presence of palladium on charcoal.
ChemInform Abstract: Synthesis of 1,5‐Di‐O‐acetyl‐2,3,4‐tri‐O‐butyl‐xylo‐, ‐ribo‐, and arabino‐pentitols. Standards for Determination of the Configuration of Higher Sugars.
Authors: JAROSZ S. 
Published: May 2016

AbstractThe osmylation or epoxidation of higher sugar allylic alcohols leads to triols possessing either the ribo, xylo or arabino configuration.
ChemInform Abstract: Hydrolysis of Toxic Organophosphorus Compounds by o‐Iodosobenzoic Acid and Its Derivatives.
Authors: HAMMOND P. S. , FORSTER J. S. , LIESKE C. N. , DURST H. D. 
Published: May 2016

AbstractThe chemical warfare agents soman (Ia), sarin (Ib), tabun (Ic), and paraoxon (Ie) are hydrolyzed effectively in aqueous micellar (cat.2) solutions in the presence of the deprotonated form of iodosobenzoic acids (II) (cat.1) (e.g.
ChemInform Abstract: The Crystal Structure of Ca16.5Mo13.5O40, an Intermediate Phase in the Ternary System CaO‐Mo‐O.
Authors: LINDBLOM B. , STRANDBERG R. 
Published: May 2016

AbstractSingle crystals of the title compound, prepared by heating a corresponding mixture of CaO, Mo, and MoO2 at 1473 K (4 d), belong to the space group I4/m with Z=1.
ChemInform Abstract: Variations of Electrical Properties of the Iodides α‐, β‐, and γ‐CuI as a Function of Iodine Pressure and Temperature.
Authors: CARTON D. , RASNEUR J. , LE BRUSQ H. 
Published: May 2016

AbstractCuI exhibits three phases α, β, and γ as a function of temp.: below 369 °C cubic γ‐CuI, a pure electronic p‐type semiconductor; its conductivity depends on iodine pressure (P(I2)) according to a law σα P(I2)1/2 between 150 and 350 °C. This can be explained by the presence of pairs of copper vacancies which each supplies one electronic hole.
ChemInform Abstract: Synthesis of Ultrafine Grain Ferrites.
Authors: CLEARFIELD A. , GADALLA A. M. , MARLOW W. H. , LIVINGSTON T. W. 
Published: May 2016

AbstractAerosols of Ni(II) and Fe(III) methoxides (Ni and Fe in a ratio corresponding to NiFe2O4) are generated by a jet atomizer, hydrolyzed, and subsequently calcined in a streamline tubular reactor.
ChemInform Abstract: Electron Spin Resonance Spectra and Structure of Al(C6H6) in Hydrocarbon Matrices.
Authors: HOWARD J. A. , JOLY H. A. , MILE B. 
Published: May 2016

AbstractThe monoligand title Al(0) complex is formed in benzene and inert hydrocarbon matrices at 77 K as is produced in solid neon at 10 K. This paramagnetic product is studied by ESR spectroscopy.
ChemInform Abstract: Reactions of 1‐Oxa‐3‐azoniabutatriene Salts with 1,3‐Dipoles.
Authors: HAMED A. , MUELLER E. + , JOCHIMS J. C. , ZSOLNAI L. , HUTTNER G. 
Published: May 2016

AbstractA thermodynamically controlled pathway for the cycloaddition described below is suggested.
ChemInform Abstract: Photoreduction of Phenacyl Halides by NADH Analogues. Origins of Different Mechanistic Pathways.
Authors: FUKUZUMI S. , MOCHIZUKI S. , TANAKA T. 
Published: May 2016

AbstractPhotoreduction of (I) (and of phenacylchloride, p‐methoxy‐, and p‐bromophenacylbromide as well) by the acridone (II) proceeds via the rate‐determining photoinduced electron transfer from the singlet excited state of (II) to (I) to give the radical ion pair ((II)·+ (I)·‐).
ChemInform Abstract: Highly Stereoselective Generation and Trapping of 1,2‐Dichloro‐3‐methyl‐4‐phenylbut‐2‐enylidene.
Authors: AL‐DULAYYMI J. R. , BAIRD M. S. , CLEGG W. 
Published: May 2016

AbstractThe dichloropropene (I) (obtainable from the tetrachloropropane (VII) with MeLi) undergoes an apparent cyclopropene to vinylcarbene rearrangement; one stereoisomer of the derived vinylcarbenes (II) or (III), is trapped selectively in either intra‐ or intermolecular processes.
ChemInform Abstract: Activation and Synthetic Applications of Thiostannanes. Protection of Carboxyl Groups with α‐Methylcinnamyl Alcohol as a Means of Chemodifferentiation and Selective Activation.
Authors: SATO T. , OTERA J. , NOZAKI H. 
Published: May 2016

Abstractα‐Methylcinnamyl esters such as (I) are cleaved with dimethyldi(methylthio)stannane (II) in the presence of boron trifluoride etherate to form the stannyl carboxylates (III), together with the cinnamyl sulfide (IV).
ChemInform Abstract: (PPh3)3RhCl‐Catalyzed Hydrosilylation of Unsaturated Molecules by 1,2‐Bis(dimethylsilyl)ethane: Unprecedented Rate Difference Between Two Si‐H Bonds.
Authors: NAGASHIMA H. , TATEBE K. , ISHIBASHI T. , SAKAKIBARA J. , ITOH K. 
Published: May 2016

AbstractRhCl(PPh3)3 catalyzes rapid hydrosilylation of ketones, olefins, and acetylenes with (I) to form monohydrosilylation products such as (III), (V) and (VII), selectively.
ChemInform Abstract: N‐Methyl‐N,O‐bis(trimethylsilyl)hydroxylamine: Preparation, Properties, and Utilization.
Authors: HWU J. R. , ROBL J. A. , WANG N. , ANDERSON D. A. , KU J. , CHEN E. 
Published: May 2016

AbstractThe title compound (II) is prepared from the hydroxylamine (I) either by the use of Me3SiCl (III) in a classical procedure or of MeSiSiMe3 (IV) as a "counterattack reagent".
ChemInform Abstract: Some Transformations of Fluoro Chloro Nitro Alcohols.
Authors: BREL' V. K. , CHEPAKOVA L. A. , KARTAVTSEVA N. F. , MARTYNOV I. V. 
Published: May 2016

AbstractThe carbinols (Ia) and (Ib) are coupled with thionyl chloride (II) to give the sulfites (IIIa) and (IIIb).
ChemInform Abstract: Cyclization Reactions of Ethoxymethylenemalononitrile with 4‐Substituted Acetoacetates.
Authors: SCHMIDT H.‐W. 
Published: May 2016

AbstractBase‐catalyzed cyclization of the dinitrile (II) with the substituted acetoacetates (I) in the presence of NaOEt gives rise to the ethyl benzoates (III).
ChemInform Abstract: Palladium‐Catalyzed Double Heck Arylation of Cyclopentene.
Authors: PRASHAD M. , TOMESCH J. C. , WAREING J. R. , SMITH H. C. , CHEON S. H. 
Published: May 2016

AbstractThe double Heck arylation of cyclopentene (I) with the aryl bromides (II) in the presence of complex Pd catalysts gives the regioisomeric diarylcyclopentenes (III) and (IV).
ChemInform Abstract: Unusual Host Properties. X‐Ray Structures of Three Salt‐Like Crystalline Aggregates of 1,1′‐Binaphthyl‐8,8′‐dicarboxylic Acid (I).
Authors: CSOEREGH I. + , CZUGLER M. , TOERNROOS K. W. + , WEBER E. , AHRENDT J. 
Published: May 2016

AbstractUnexpectedly, recrystallization of (I) from Py in the presence of other non‐basic solvents gives specific crystalline ternary complexes ((I)·Py·X) (X: dioxane, acetic, propionic, methacrylic acid) or ((I)·Py)2Y (Y: THF, 1,3‐dioxolane, acetone, Me‐NO2, DMF).
ChemInform Abstract: Application of the Iron Acyl Complex (R)‐(‐)‐((η5‐C5H5)Fe(CO)(PPh3)COCH2O((1R,2S,5R)‐menthyl)) as a Homochiral Formyl Anion Equivalent.
Authors: DAVIES S. G. , MIDDLEMISS D. , NAYLOR A. , WILLS M. 
Published: May 2016

AbstractThe benzyloxyacetyliron complex (I) is lithiated and then quenched with acetone (IV) to form the adduct (V).
ChemInform Abstract: Synthesis and Biological Activity of N1‐Substituted‐3‐Methyl‐5‐pyrazolones and Related Compounds.
Authors: HOGALE M. B. , PAWAR B. N. 
Published: May 2016

AbstractThe pyrazolones (II), prepared by cyclization of the hydrazones (I), are coupled with the aldehydes (III) to produce the benzylidenepyrazolones (IV).
ChemInform Abstract: Studies on 4‐Thiazolidinones. Part 9. Preparation and Antimicrobial Activity of p,p′‐Bis(2‐aryl‐5H/methyl‐4‐thiazolidinon‐3‐ylmethoxy)diphenyl Sulfones.
Authors: VANSDADIA R. N. , RODA K. P. , PAREKH H. 
Published: May 2016

AbstractTwenty Schiff bases such as (III), prepared by reaction of the hydrazides (I) with aldehydes (II), are treated with the thioglycolic acids (IV), forming the bisthiazolidinones (V).
ChemInform Abstract: Synthesis of Some Benzylidenehydrazinothiazoles and Their Antimicrobial Activities.
Authors: ERDOGAN H. , SAFAK C. , ERTAN M. , YULUG N. 
Published: May 2016

AbstractEight thiadiazoles such as (III) are synthesized by cyclocondensation of the bromo ketone (I) with the corresponding thiosemicarbazones (II).
ChemInform Abstract: Synthesis of Some Newer Biologically Active Substituted 3‐(2‐(6‐Substituted) Benzothiazolylhydrazono)‐2‐indolinones. Part 54.
Authors: VARMA R. S. , TEWARI M. 
Published: May 2016

AbstractThe isatins (III) and (VII) react with the hydrazine (V) to produce the hydrazones (VI) or (VIII).
ChemInform Abstract: Synthesis of S‐(2‐(5‐Phenyl‐1,3,4‐oxadiazolyl)carbamoylmethyl) N‐Aryl Dithiocarbamates.
Authors: JANI M. K. , UNDAVIA N. K. , TRIVEDI P. B. 
Published: May 2016

AbstractThe dithiocarbamates mentioned in the title, e.g. (III), are prepared by coupling of the oxadiazole (I) with ammonium dithiocarbamates such as (II).
ChemInform Abstract: Synthesis of Some Nitro‐Substituted 1,3,4‐Oxadiazoles, 1,3,4‐Thiadiazoles, and 1,2,4‐Triazoles as Antiamoebic Agents.
Authors: ANDOTRA C. S. , LANGER T. C. , SHARMA S. K. 
Published: May 2016

AbstractThe thiosemicarbazides (I) are subjected to cyclization under various conditions.
ChemInform Abstract: Acid‐Catalyzed Rearrangement of Pyran Derivatives. An Approach to the Stereoselective Synthesis of 1,3‐Diol Derivatives.
Authors: DESHONG P. , SIMPSON D. M. , LIN M.‐T. 
Published: May 2016

AbstractThe 2‐(1‐hydroxy‐3‐siloxyalkyl)furans (I), (IV), and (VIII) are subjected to oxidative rearrangement, followed by desilylation, to form the perhydrofuropyrans (III) or (VII) partly via bicyclic acetals such as (VI).
ChemInform Abstract: Synthesis of Indeno(2,1‐c)isocoumarins and Indeno(2,1‐c)isoquinolones. Part 2.
Authors: SRIVASTAVA S. , KUMAR P. , THAKUR S. N. , SAHAY L. K. , SRIVASTAVA J. N. 
Published: May 2016

AbstractCoupling of the benzoic acid (I) with the 2‐bromo‐1‐indanone (II) yields the ester (III) which undergo cyclodehydration in sulfuric acid to produce the isocoumarin (IV).
ChemInform Abstract: The Tautomeric Equilibria of Thio Analogues of Nucleic Acid Bases. Part 1. 2‐Thiouracil: Background, Preparation of Model Compounds, and Gas‐Phase Proton Affinities.
Authors: KATRITZKY A. R. , BAYKUT G. , RACHWAL S. , SZAFRAN M. , CASTER K. C. , EYLER J. 
Published: May 2016

AbstractTo elucidate quantitatively the tautomeric equilibria of 2‐thiouracil (Ia), which can exist in six tautomeric forms, three monomethyl derivatives (Ib) and (IIb) and four of the six possible dimethyl derivatives ((Ic), (III)‐(V)) are prepared by conventional methods.
ChemInform Abstract: Heterocyclic Systems Containing a Bridgehead Nitrogen Atom. Synthesis of Thiadiazolo(2′,3′:2,1)imidazo(4,5‐b)quinoxaline, Imidazo(2,1‐b)‐1,3,4‐thiadiazoles, and Their Brominated Products.
Authors: MOHAN J. , ANJANEYULU G. S. R. , KIRAN KIRAN 
Published: May 2016

AbstractThe thiadiazoles (I) react with the bromoacetophenones (II) to give the imidazothiadiazoles (III).
ChemInform Abstract: Addition‐Elimination Reactions of 4‐ and 6‐Chloroindoline‐2,3‐diones with Aromatic Amines.
Authors: VARMA R. S. , GUPTA P. 
Published: May 2016

AbstractAcid‐catalyzed condensation reaction of the indoline‐2,3‐diones (I) with anilines such as (II) yields the imines (III).
ChemInform Abstract: Synthesis of Some New Phenothiazine Derivatives.
Authors: HOGALE M. B. , DESHMUKH D. S. 
Published: May 2016

AbstractThe phenothiazine (I) reacts with the α‐chlorocarboxylic acid esters (II) to give the N‐C coupling products (III) which are converted into the thiosemicarbazides (VI) upon consecutive treatment with hydrazine hydrate (IV) and phenyl isothiocyanate (V).
ChemInform Abstract: Indole as a Tool in Synthesis. Construction of Medium‐Sized Rings by Iterative Indolization‐Oxidation.
Authors: SIGAUT F. , LEVY J. 
Published: May 2016

AbstractFischer indole reaction of phenylhydrazine (I) with the cycloalkanones (II) gives the anellated indoles (III) which are subjected to ozonolysis, yielding the benzo‐fused keto lactams (IV).