bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Reactions of Diazo Compounds of Heterocyclic Aldehydes with Phenylacetylene: Formation of Pyrazoles Combined with Heterocycles.
Authors: SAITO K. , FUSHIHARA H. , SATO T. , ISHIHARA H. , TAKAHASHI K. 
Published: May 2016

AbstractThe sodium salts (I), prepared from the corresponding tosylhydrazones, react with phenylacetylene (II) to produce low yields of the pyrazoles (III), the ketazines (IV), or the acetylene (V).
ChemInform Abstract: Synthesis and Reactions of Imidazolinones and Triazolo(3,4‐f)(1,2,4)triazines.
Authors: BADR M. Z. A. , MAHGOUB S. A. E. 
Published: May 2016

AbstractOxazolinones of type (I) serve as starting material for the preparation of the imidazoline (III) and triazines of type (V).
ChemInform Abstract: Studies on Vilsmeier‐Haack Reaction: A Versatile New Synthesis of 4‐Chloro‐2‐phenylaminothiazole‐5‐carboxaldehyde and Related Fused Heterocyclic Compounds and Heterocyclic Schiff′s Bases.
Authors: PAWAR R. A. , RAJPUT A. P. 
Published: May 2016

AbstractThe title aldehyde (III) is a versatile intermediate which reacts with a series of amino compounds to give fused heterocycles or Schiff bases.
ChemInform Abstract: Interannular Contraction Upon Oxidation of a Mesoionic Bicyclic Imine.
Authors: DUNN P. J. , REES C. W. , SLAWIN A. M. Z. , WILLIAMS D. J. 
Published: May 2016

AbstractOxidation of the thiadiazole moiety of the imine (I) with dinitrogen tetroxide yields the monoxide (II) or a mixture of the dioxide (III) and the dibenzoylthiadiazole (IV).
ChemInform Abstract: Synthesis and Spectral Analysis of 6,10‐Dimethyl‐3‐methylene‐7,9‐diphenyl‐1,8‐dioxaspiro(4.5)decan‐2‐one.
Authors: VENKATAPATHY S. V. , IKRAMUDDEEN T. M. , CHANDRASEKARA N. , RAMARAJAN K. , NANJAPPAN P. 
Published: May 2016

AbstractThe title compound (III) is prepared since compounds bearing an α‐methylene‐γ‐butyrolactone moiety possess biological activities including antitumor activity.
ChemInform Abstract: Phase‐Transfer‐Catalyzed Alkylation of 3‐Hydroxycoumarin.
Authors: MAJUMDAR K. C. , KHAN A. T. , CHATTOPADHYAY S. K. 
Published: May 2016

AbstractAlkylation of 3‐hydroxycoumarin (I) with the bromides (II) gives the O‐(III) and C‐alkylation products (IV).
ChemInform Abstract: Studies on the Synthesis of 1‐Azaspiro(5.5)undecanes Related to Histrionicotoxin.
Authors: VENIT J. J. , DIPIERRO M. , MAGNUS P. 
Published: May 2016

AbstractBirch reduction and subsequent acid‐catalyzed rearrangement of the aminobutylanisole (I) yields the spiro fused piperidine (III).
ChemInform Abstract: Synthesis and Cardiotonic Activity of 5‐(2‐Substituted‐Thiazol‐4‐yl)‐2‐pyridones and Thiazolo(4,5‐f)quinolinones.
Authors: FUKATSU H. , KATO Y. , MURASE S. , NAKAGAWA S. 
Published: May 2016

AbstractCondensation reaction of acetylacetone (I) with dimethylformamide dimethyl acetal (II) gives the enamine (III) which undergoes ring closure with cyanoacetamide (IV) to produce the pyridone (V).
ChemInform Abstract: Synthesis with Aliphatic Dialdehydes. Part 43. Synthesis and Structure of Novel Alkylidenemalonaldehydes: 2‐(Diformylmethylene)‐1,3‐dithiane and ‐1,3‐dithiolane as well as (2,3‐Diphenylcyclopropan‐1‐ylidene)malonaldehyde.
Authors: REICHARDT C. , HERGET B.‐V. , SCHULZ M. , MASSA W. , PESCHEL S. 
Published: May 2016

AbstractThe trimethinium salt (I) and diphenylcyclopropenone (II) form the cyclopropenylidenemalonaldehyde (III).
ChemInform Abstract: Pyrimidine Antagonists. Part 3. Synthesis of Some 2,4‐Diamino‐5‐Substituted‐phenylazo‐6‐Substituted‐aminopyrimidines and Evaluation of Their Anticancer Property Against Leukemia P388.
Authors: DEBI M. 
Published: May 2016

AbstractThe triaminopyrimidines (I) are coupled with the aryldiazonium salts (II) to form the 5‐arylazopyrimidines (III).
ChemInform Abstract: Synthesis of Macrocyclic Imides by One‐Step Ring Enlargement.
Authors: OGNYANOV V. I. , HESSE M. 
Published: May 2016

AbstractThe 2‐cyano‐ or 2‐(ethoxycarbonyl)‐substituted cycloalkanones (I) or (VIII), on reaction with the isocyanates (II), (IV), (IX) or with phenyl isothiocyanate (VI) undergo ring enlargement to afford the macrocyclic imides (III), (V), (VII) or (X) in one step.
ChemInform Abstract: Generation of β‐Carboline Azomethine Ylides Via Trimethylsilylmethyl Trifluoromethanesulfonate Quaternizations: Entry into the New Class of 11H‐Indolizino(8,7‐b)indole Heterocycles.
Authors: POISSONNET G. , POTIER P. , DODD R. H. 
Published: May 2016

AbstractThe fused N‐(silylmethyl)pyridinium salts (III) or (VII), prepared from the β‐carbolines (I) or (VI) and trimethylsilylmethyl triflate (II), react with the activated olefins (IV) or diethyl acetylenedicarboxylate (VIII) to form the cycloadducts (Va) ‐ (Vc) or (IX) ‐ (XI).
ChemInform Abstract: Syntheses of Functionalized Derivatives of Quinazolines and 1,4‐Benzodiazepines.
Authors: ANZINI M. , GAROFALO A. , VOMERO S. 
Published: May 2016

AbstractWhereas the syn‐oximes (I) react with the chloroacetoacetate (II) to produce the hydroxydihydrobenzodiazepinium chlorides (III), the anti‐oximes (VI) and the ester (II) form the dihydroquinazoline oxides (VII).
ChemInform Abstract: The Acetonitrile(pentafluorophenyl)xenon(II) Cation. (MeCN‐Xe‐C6F5)+; The First Structural Characterization of a Xenon‐Carbon Bond.
Authors: FROHN H. J. , JAKOBS S. , HENKEL G. 
Published: May 2016

AbstractThe title compound is characterized by 129Xe, 19F, 13C and 11B NMR spectra.
ChemInform Abstract: On the Generation of Stabilized Low‐Valent Metallocene Derivatives. The Direct Synthesis and Reductive Coupling Reactions of 1‐Methylthioalkynezirconocene Complexes.
Authors: VANWAGENEN B. C. , LIVINGHOUSE T. 
Published: May 2016

AbstractThe zirconocene complexes (III) are employed as mediators in the C‐C coupling reaction of the acetylenes (V), (IX), or (XII) with 3‐hexyne (VI), yielding symmetrical (VII), (VIII), (XI), and unsymmetrical 1,3‐dienes (X) or (XIV).
ChemInform Abstract: (P4Aryl6)(Me3SnF2)2 (Aryl: 2,6‐(MeO)2C6H3): An Unusual Ion Pair Consisting of a Planar 2,4‐Diphospha‐1,3‐diphosphoniacyclobutane Dication and the Difluorotrimethylstannate Anion.
Authors: HEUER L. , ERNST L. , SCHMUTZLER R. , SCHOMBURG D. 
Published: May 2016

AbstractThe title cation is to be regarded formally as one of the degradation products of white phosphorus P4, generated by successive addition of nucleophiles and electrophiles to the P‐P bonds, but it has not yet been isolated.
ChemInform Abstract: Binaphthylcyclopentadiene: a C 2‐Symmetric Annulated Cyclopentadienyl Ligand with Axial Chirality.
Authors: COLLETTI S. L. , HALTERMAN R. L. 
Published: May 2016

AbstractThe chiral cyclopentadiene derivative (S)‐(‐)‐(VII) mentioned in the title is prepared as shown in the reaction scheme.
ChemInform Abstract: Chemistry of the Heavy Carben Analogues R2M, M = Si, Ge, Sn. Part 13. Reactions of Thermally and Photolytically Generated Dimethylgermylene with Alkynyl, Propargyl, and Allenyl Halides, Activation Parameters of the Germylene Formation.
Authors: BILLEB G. , BRAUER H. , MASLOV S. , NEUMANN W. P. 
Published: May 2016

AbstractFree singlet dimethylgermylene (III), generated in situ by thermolysis or photolysis of the 9,9‐dimethyl‐1,4‐germanonaphthalene (I), reacts with the phenylethynyl halides (IV) to form the insertion products (V).
ChemInform Abstract: Novel Porphyrinoids. Part 8. Water‐Soluble Porphyrin Diglycosides with Photosensitizing Properties.
Authors: FUELLING G. + , SCHROEDER D. + , FRANCK B. 
Published: May 2016

AbstractIn the presence of oxygen, tumors and viruses can be destroyed by photosensitizing porphyrins.
ChemInform Abstract: Side‐Chain Homologues of 20‐Hydroxyecdysone: Synthesis, Configurational Assignment, and Biochemical Characterization.
Authors: HEDTMANN U. , HOBERT K. , KLINTZ R. , WELZEL P. , FRELEK J. , STRANGMANN‐DIEKMANN M. , KLOENE A. + , PONGS O. 
Published: May 2016

AbstractThe postembryonic development of insects and crustaceans is controlled hormonally by 20‐hydroxyecdysone (I).
ChemInform Abstract: Palladium‐Catalyzed Stereoselective Hydrovinylation of Disubstituted Acetylenes: Preparation of Functionalized 1,2,4‐Trisubstituted‐1,3‐dienes.
Authors: ARCADI A. , BERNOCCHI E. , BURINI A. , CACCHI S. , MARINELLI F. , PIETRONI B. 
Published: May 2016

AbstractAcetylenic compounds such as (II) are coupled with vinylic halides such as (I) in the presence of formic acid, triethylamine, and Pd(II) phosphine catalysts to form 1,3‐dienes such as (III).
ChemInform Abstract: Glycosyl Imidates. Part 42. Selectively Protected Lactose and 2‐Azido Lactose Building Blocks for Glycolipid Synthesis.
Authors: JUNG K.‐H. , HOCH M. , SCHMIDT R. R. 
Published: May 2016

AbstractRegioselective alkylation of 3'‐OH by the stannylation method or by application of other common regioselective protecting procedures gives the title compounds (VI) and (VII) as shown for (VIa).
ChemInform Abstract: Synthesis of 4‐Methylumbelliferyl Glycosides for the Detection of α‐ and β‐D‐Galactopyranosaminidases.
Authors: SZWEDA R. , SPOHR U. , LEMIEUX R. U. , SCHINDLER D. , BISHOP D. F. , DESNICK R. J. 
Published: May 2016

AbstractReaction of the galactopyranosyl chloride (I) with 4‐methylumbelliferone (II) yields the umbelliferyl galactopyranosides (IIIa) and (IVa), which are converted into their title derivatives (IIIb) and (IVb) by common methods.
ChemInform Abstract: A Simplified Route to the Phosphatidylinositol Cascade Inhibitor. L‐(‐)‐1‐Deoxy‐1‐fluoro‐myo‐inositol.
Authors: KOZIKOWSKI A. P. , FAUQ A. H. , RUSNAK J. M. 
Published: May 2016

AbstractQuebrachitol (I), which is a component of rubber serum, is treated with diethylaminosulfur trifluoride to form the regioisomeric fluorides (II) and (III).
ChemInform Abstract: Hetero‐Diels‐Alder Reactions on a Carbohydrate Template: Stereoselective Synthesis of (S)‐Anabasine.
Authors: PFRENGLE W. , KUNZ H. 
Published: May 2016

AbstractThe imines (III), prepared by reaction of the glycosylamine (I) with the aldehydes (II), undergo cycloaddition reaction with the diene (IV) to produce diastereoselectively the Diels Alder adducts (V).
ChemInform Abstract: Synthesis of the Natural Linear Triquinane (.+‐.)‐Hirsutene by Means of a Cyclopropene.
Authors: FRANCK‐NEUMANN M. , MIESCH M. , LACROIX E. 
Published: May 2016

AbstractThe bicyclic hydroxy ketone (IV), obtained from 2‐methyl‐2‐cyclopentenone (I) via cyclization of the acetal (III), is converted to the benzoyloxy enamine (VII).
ChemInform Abstract: Synthesis of Ethyl cis‐2‐((Diethoxyphosphoryl)methyl)‐7‐oxo‐3‐phenyl‐6‐phthalimido‐1‐azabicyclo(3.2.0)hept‐3‐ene‐2‐carboxylate and Methyl cis‐2‐Bromo‐3‐methyl‐8‐oxo‐7‐phthalimido‐4‐oxa‐1‐azabicyclo(4.2.0)octane‐2‐carboxylate.
Authors: HAKIMELAHI G. H. , JARRAHPOUR A. A. 
Published: May 2016

AbstractStarting from L‐serine resp. L‐threonine, the synthesis of the Δ1‐carbapenem (I) and the two β‐lactams (II) and (III) bearing a bromine and a carboxyl group is described as part of a program to prepare nonclassical β‐lactam antibiotics.
ChemInform Abstract: Preparation of High‐Purity Fluorozirconate Glasses
Authors: DEVYATYKH G. G. , CHURBANOV M. F. 
Published: May 2016

AbstractReview: (synthesis conditions, influence of impurities, phase inhomogeneities, and gaseous bubbles on the optical properties; some experimental results for the ZrF4/BaF2/LaF3/AlF3/NaF system.
ChemInform Abstract: Structure of Vanadyl Hydrogenphosphate Dihydrate α‐VO(HPO4)·2 H2O Solved from X‐Ray and Neutron Powder Diffraction.
Authors: LE BAIL A. , FEREY G. , AMOROS P. , BELTRAN‐PORTER D. 
Published: May 2016

AbstractThe title compound crystallizes in the monoclinic space group P21/c with Z=4.
ChemInform Abstract: (NH4)2FeF5: Crystal Structures of Its α and β Forms.
Authors: FOURQUET J. L. , LE BAIL A. , DUROY H. , MORON M. C. 
Published: May 2016

Abstractα‐(NH4)2FeF5 forms upon dehydration of (NH4)2FeF5·H2O. It crystallizes in a new A2MF5 structure type, space group Pbcn, Z = 8. The structure contains infinite zigzag cis chains of corner‐sharing FeF6 octahedra.
ChemInform Abstract: Molecular and Ionic Phases of Solid Nitrosyl Chloride at Low Temperature.
Authors: KILLOUGH P. M. , SWANSON B. I. , AGNEW S. F. 
Published: May 2016

AbstractIt is shown by Raman spectroscopy that there exist two phases of ONCl in the temp. range 12‐208 K. The ONCl‐II phase is stable in the range 85‐203 K and is composed of dimeric units of ONCl molecules.
ChemInform Abstract: Chemical Disorder in Non‐Oxide Chalcogenide Glasses. Site Speciation in the System Phosphorus‐Selenium by Magic Angle Spinning NMR at Very High Spinning Speeds.
Authors: LATHROP D. , ECKERT H. 
Published: May 2016

AbstractThe P‐Se glasses (5‐75 at.% P) studied by 31P MAS NMR require very high spinning speeds (12‐14 kHz) for obtaining the resolution needed to differentiate between distinct sites.
ChemInform Abstract: Electrochemical Formation of Mackinawite FeS: An in situ Moessbauer Resonance Study.
Authors: BEZDICKA P. , GRENIER J.‐C. , FOURNES L. , WATTIAUX A. , HAGENMULLER P. 
Published: May 2016

AbstractIn situ Moessbauer results show that mackinawite is the main product formed on an iron electrode after cycling in Na2S solution at pH 7.8.
ChemInform Abstract: Electroreduction of Nitrogen to Ammonia on Gas‐Diffusion Electrodes Modified by Metal Phthalocyanines.
Authors: FURUYA N. , YOSHIBA H. 
Published: May 2016

AbstractFourteen kinds of metal phthalocyanines (H, Ti, Fe, Ni, Co, Pd, Pt, Cu, Zn, Al, Ga, In, Sn, Pb) are tested for the influence of their central metal on the electroreduction of N2 to NH3 under ambient pressure and temp. using a gas‐diffusion electrode modified by a metal phthalocyanine catalyst.
ChemInform Abstract: Electroinduced Structural Changes in Manganese Dioxide + Manganese Hydroxide Films as Characterized by Real‐Time Surface‐Enhanced Raman Spectroscopy (SERS).
Authors: GOSZTOLA D. , WEAVER M. J. 
Published: May 2016

AbstractThe structural changes involved during the galvanostatic and linear‐sweep‐voltammetric reduction of electrodeposited MnO2 films on gold in 1 M KOH and for the oxidation of Mn(OH)2 under the same condition are investigated using time‐resolved SERS.
ChemInform Abstract: In situ FT‐IR Spectroscopic Study of Bisulfate and Sulfate Adsorption on a Platinum Electrode. Part 2. Mildly Acid and Alkaline Sodium Sulfate Solutions.
Authors: KUNIMATSU K. , SAMANT M. G. , SEKI H. 
Published: May 2016

AbstractThe adsorption behavior of sulfate and bisulfate ions on a Pt electrode in 0.5 M Na2SO4 solutions containing a small amount of H2SO4 (pH 3.4) or NaOH (pH 11.5) is studied in situ by potential difference FT‐IRRAS (Fourier transform IR reflection absorption spectroscopy).
ChemInform Abstract: (AsI4)+(AlCl4)‐, a Salt of the Only Missing Tetrahalogenoarsonium Ion,
Authors: TORNIEPORTH‐OETTING I. , KLAPOETKE T. + 
Published: May 2016

Abstractis prepared by reaction of AsI3, ICl, and AlCl3 at ‐95 °C in liquid nitrogen (addn.
ChemInform Abstract: (η6‐Arene)chromium Complexes in Organic Synthesis: (2,3)‐Wittig Rearrangement of (Benzyl Crotyl Ether)chromium Complexes.
Authors: UEMURA M. , NISHIMURA H. , HAYASHI Y. 
Published: May 2016

AbstractThe (2,3)‐Wittig sigmatropic rearrangement of (benzyl (E)‐crotyl ether)chromium complexes is shown to give a "syn" stereoselection which is different from the "anti" selection reported for the corresponding chromium‐free compounds.
ChemInform Abstract: Propellanes. Part 93. Diels‐Alder Reactions of Thioimido‐ and Lactamo‐Propellanes with 4‐Methyl‐1,2,4‐triazoline‐3,5‐dione.
Authors: ASHKENAZI P. , GINSBURG D. 
Published: May 2016

AbstractA convenient method is given for the synthesis of γ‐lactams such as (III) from the imido‐propellane (I) via desulfurization of the thio derivative (II).
ChemInform Abstract: The Uncatalyzed Diels‐Alder Reaction of Imines with Bis(phenylsulfonyl)‐Substituted Dienes.
Authors: PADWA A. , HARRISON B. , NORMAN B. H. 
Published: May 2016

AbstractThe cycloaddition reaction of the 2,3‐bis(arylsulfonyl)‐substituted butadienes (I) with the arylimines (II) yields the rearranged products (III).
ChemInform Abstract: The Reaction of Bifunctional Annulating Reagents with Cyclic Enol Ethers: A New Route to Fused Cyclic Ethers.
Authors: LEE T. V. , ELLIS K. L. 
Published: May 2016

AbstractThe cyclic enol ethers (I) react with the stannylated acetal (II) in the presence of trimethylsilyl triflate to give the intermediate oxonium salts (III), which are cyclized, forming the fused cyclic ethers (IV).
ChemInform Abstract: Reactions of Hexafluoroacetone and Trifluoroacetylimines of Polyfluorocarbonyl Compounds with Pyrimidine Derivatives.
Authors: SVIRIDOV V. D. , CHKANIKOV N. D. , KORBUKH I. A. , KOLOMIETS A. F. , FOKIN A. V. 
Published: May 2016

AbstractThe 4‐aminopyrimidines (I) and the 4‐aminopyrazolopyrimidines (VI) are coupled with hexafluoroacetone (II) to give the pyrimidooxazines (III) and the pyrazolopyrimidooxadiazines (VII) respectively.
ChemInform Abstract: Intramolecular, Reductive Coupling of Bis‐α,β‐unsaturated Ketones.
Authors: WENKERT E. , MOELLER P. D. R. 
Published: May 2016

AbstractThe reduction‐rearrangement procedure of the vinylogous β‐diketone (I), tricyclic intermediate in the Wilds total steroid synthesis, gives the tetracyclic diketone (II), which isomerizes to the spiro diketone (III).
ChemInform Abstract: Reaction of Photochemically Generated Dibromocarbene with 1,2‐Dimethylenecycloalkanes. 1,4 Addition Is Real.
Authors: NGUYET ANH LE NGUYET ANH LE , JONES M. JUN. , BICKELHAUPT F. , DE WOLF W. H. 
Published: May 2016

AbstractThe ratios of the products of the two addition types (III) and (IV) matches those found for CBr2 generated from CHBr3.
ChemInform Abstract: Tin(II)‐Mediated Allylation. Asymmetric Induction with a Chiral Tin(II) Alkoxide.
Authors: AUGE J. , BOURLEAUX G. 
Published: May 2016

AbstractIn a study of tin‐mediated allylation some Sn(II) complexes are shown to undergo oxidative addition of allyl halide to yield complexes of type (I), which react with benzaldehyde (II) to give the homoallyl alcohol (III).
ChemInform Abstract: Synthesis of Optically Active Polyunsaturated Diacylglycerols.
Authors: DURALSKI A. A. , SPOONER P. J. R. , WATTS A. 
Published: May 2016

AbstractThe 1,2‐O‐isopropylidene‐3‐O‐(methoxyethoxymethyl)glycerol (III), which is prepared from the alcohol (I), is selectively hydrolyzed at the isopropylidene moiety and then acylated with linoleic acid (V) to give the diacyl derivative (VI).
ChemInform Abstract: Oxidation Using Quaternary Ammonium Polyhalides. Part 4. Selective Oxidation of Sulfides to Sulfoxides with Benzyltrimethylammonium Tribromide.
Authors: KAJIGAESHI S. , MURAKAWA K. , FUJISAKI S. , KAKINAMI T. 
Published: May 2016

AbstractThe synthesis of aliphatic, cycloaliphatic and aromatic sulfoxides, e.g. (II), is successfully carried out.
ChemInform Abstract: Synthesis of Some New Salicylic Acid‐5‐sulfonamides as Possible Antibacterial and Analgesic Agents.
Authors: MOHAMED Y. A. , AMMAR Y. A. , EL‐SHARIEF A. M. SH. , HASSANIN A. A. 
Published: May 2016

AbstractThe syntheses of the various title compounds start from the salicylic acid sulfonylchloride (I) yielding primarily sulfonamides such as (III) (16 compounds are described) or (IV).
ChemInform Abstract: An Efficient Route to Chiral tert‐Butyl Sulfoxides.
Authors: REBIERE F. , KAGAN H. B. 
Published: May 2016

AbstractThe chiral 1,2‐diol (S)‐(I) reacts with thionyl chloride (II) to form the cyclic sulfite (III) which is cleaved with the Grignard compounds (IV), yielding the sulfinates (V) and (VI).
ChemInform Abstract: A Simple, One Pot, Regiospecific 1,3‐Dicarboxy Benzannulation of Active Acyl Systems.
Authors: SRIKRISHNA A. , SHARMA G. V. R. 
Published: May 2016

AbstractMethyl propiolate (II) reacts with 4‐methyl‐3‐cyclohexenone (I) in the presence of LDA to form the dihydronaphthalene (III), which is dehydrogenated with DDQ to yield 6‐methyl‐1,3‐bis(methoxycarbonyl)naphthalene (IV).
ChemInform Abstract: Synthesis and Biological Activities of New Indole Derivatives Containing Sulfide and/or Sulfone Moieties. Part 1.
Authors: EL‐EZBAWY S. R. , ABDEL‐WAHAB A.‐M. A. 
Published: May 2016

AbstractThe antimicrobial activity of the title compounds (III), (V), (X), and (XI), synthesized from the indole derivatives (I) or (IV) as shown in the reaction scheme, is tested against Bacillus cereus, Micrococcus luteus, Escherichia coli and Pseudomonas aeruginosa.
ChemInform Abstract: Investigations in the Chromone Series. Part 16. Reactions of Chromone Derivatives and 4‐Thiochromone with Methylhydrazine.
Authors: NAWROT‐MODRANKA J. , KOSTKA K. 
Published: May 2016

AbstractThe transformations of various substituted chromones and thiochromones such as (I) with methylhydrazine are studied.
ChemInform Abstract: Synthesis of 4,5‐Disubstituted Imidazolin‐2‐ones.
Authors: ZAV'YALOV S. I. , KULIKOVA L. B. , DOROFEEVA O. V. 
Published: May 2016

AbstractTreatment of 4‐methyl‐5‐(1‐oxo‐2‐bromo‐5‐ethoxycarbonylpentyl)imidazolinone (I) with excess diethylamine (II) gives the aminomethyl derivative (III), whereas with thioglycol (IV) or potassium rhodanide (VI) the usual substitution products (V) and (VII) are formed.
ChemInform Abstract: Ultrasound‐Promoted Coupling of Heteroaryl Halides in the Presence of Lithium Wire. Novel Formation of Isomeric Bipyridines in a Wurtz‐Type Reaction.
Authors: OSBORNE A. G. , GLASS K. J. , STALEY M. L. 
Published: May 2016

Abstract2‐Bromopyridine (I) reacts under ultrasonic irradiation in the presence of lithium wire in THF to form a mixture of the isomeric bipyridines (II) ‐ (IV).
ChemInform Abstract: Synthesis and 5HT‐Receptors Affinity of Some 4‐Phenylquinoline Derivatives.
Authors: ANZINI M. , VOMERO S. , GAROFALO A. , CAPPELLI A. , CAGNOTTO A. 
Published: May 2016

AbstractThe chloromethylquinolines (III), synthesized from 2‐aminobenzophenones (I) and ethyl 4‐chloroacetoacetate (II), are converted into the amino acid esters (V).
ChemInform Abstract: 1,2,3‐Triazolo(4,5‐f)quinolines. Part 1. A New Class of Heterocyclic Compounds Derived from 5‐Aminobenzotriazoles, β‐Keto Esters, and Diethyl Ethoxymethylenemalonate of Potential Pharmacological Interest.
Authors: SANNA P. , PAGLIETTI G. 
Published: May 2016

AbstractReaction of the aminobenzotriazoles (I) with ethyl acetoacetate (IIa) or ethyl benzoylacetate (IIb) gives mixtures of the amides (III) and the anilamides (IV), whereas reaction of (I) with diethyl malonate (V) produces the amides (VI), together with the bisamides (VII).
ChemInform Abstract: The Aza‐Robinson Annulation: An Application to the Synthesis of Iso‐A58365A.
Authors: FANG F. G. , PRATO M. , KIM G. , DANISHEFSKY S. J. 
Published: May 2016

AbstractDiazomethyl vinyl ketone (Ia) is coupled with the thiolactams (II) to form the N‐substitution products (III) which are also obtained from the acrylate (IV) via reaction with (II), saponification, and introduction of the diazomethyl group.
ChemInform Abstract: Synthesis and Reactions of Some Isoquinoline Derivatives.
Authors: EL‐KHAWAGA A. M. , EL‐NAGGAR G. M. , HASSAN KH. M. , KAMAL EL‐DEAN A. M. 
Published: May 2016

AbstractTreatment of 3,4‐tetramethylene‐6‐amino‐5‐cyanothiopyran‐2(1H)‐thione (I) with sodium hydroxide and subsequent acidification with hydrochloric acid produce a hexahydroisoquinoline‐1‐thiol which exists in the tautomeric forms (II) and (III).
ChemInform Abstract: Metathesis of Silicon‐Containing Olefins. Part 4. Synthesis of 1‐Triethoxysilyl‐1‐alkenes by Cross‐Metathesis of Vinyltriethoxysilane with 1‐Alkenes.
Authors: FOLTYNOWICZ Z. , MARCINIEC B. 
Published: May 2016

AbstractTreatment of vinyltriethoxysilane (I) with a fifteen fold excess of 1‐alkenes (1‐hexene, 1‐nonene, 1‐octene, 1‐heptene, 1‐decene) in the presence of catalytic amounts of RuCl3 results in the formation of the title compounds in high yields such as demonstrated for the examples (IIIa)‐(IIIc).
ChemInform Abstract: New Azasilatranes: Sterically Induced Transannular Bond Weakening and Cleavage.
Authors: GUDAT D. , DANIELS L. M. , VERKADE J. G. 
Published: May 2016

AbstractThe augmentation of the NH function in (I) by stepwise trimethylsilylation leads to a significant weakening of the bond between Si and the axial nitrogen.