bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Novel Colorants Based on the 9‐Oxo‐1,9a,10‐triaza‐9‐hydroanthracene Chromophoric System.
Authors: MARRACCINI A. , PASQUALE A. 
Published: May 2016

AbstractAminochinazolinon (I) reagiert bei höherer Temperatur mit den α‐Diketonen (II) zu den kondensierten Heterocyclen (III), deren Farbeigenschaften auf Polyester, PVC und Polyester/ Baumwolle diskutiert werden.
ChemInform Abstract: (o‐ and p‐Nitrobenzyloxycarbonyl)‐5‐fluorouracil Derivatives as Potential Conjugated Bioreductive Alkylating Agents.
Authors: LIN T.‐S. , WANG L. , ANTONINI I. , COSBY L. A. , SHIBA D. A. , KIRKPATRICK D. L. , SARTORELLI A. C. 
Published: May 2016

AbstractFluoruracile (I) reagieren mit (II) und (IV) zu den Derivaten (III), die auf Wirkung gegen P388‐Leukämie und Sarcoma 180 untersucht werden.
ChemInform Abstract: The Synthesis of Asymmetrie Macrocyclic Polyethers Containing Nitro Group on Aromatic Ring.
Authors: KILIC Z. , GUENDUEZ N. + 
Published: May 2016

AbstractThe diol (I), prepared by heating of p‐nitrophenol with formaldehyde in diluted sulfuric acid (yield 90%), is condensed with the bis‐tosylates (II) to give the macrocyclic polyethers (III).
ChemInform Abstract: Hydrosilylation of Acetylene and Monoorganylacetylenes in the Presence of Rhodium Compounds.
Authors: PUKHNAREVICH V. B. , USHAKOVA N. I. , ADAMOVICH S. N. , TSYKHANSKAYA I. I. , VARSHAVSKII YU. S. , VORONKOV M. G. 
Published: May 2016

AbstractDie Verwendung des Rhodiumkomplexes (III) gestattet die Hydrosilylierung von Acetylen (I) mit den Silanen (II) zu den Vinylsilanen (IV) in hohen Ausbeuten bei nur spurenweiser Bildung der Bis‐Addukte (V).
ChemInform Abstract: Optically Active Triorganosilyl Esters of Phosphorus. Synthesis and Structure.
Authors: CHOJNOWSKI J. , CYPRYK M. , MICHALSKI J. , WOZNIAK L. , CORRIU R. , LANNEAU G. 
Published: May 2016

AbstractVarious silyl esters of phosphorus (I) and (II) are synthesized, including (Ia) and (Ic) with the optical activity located on Si, (Ib) and (II) with the activity on Si or Pand on both these centres, and (Id) only racemic.
ChemInform Abstract: (β‐Chloro‐α‐aminoethyl)phosphonic Acids as Inhibitors of Alanine Racemase and D‐ Alanine:D‐Alanine Ligase.
Authors: VO‐QUANG Y. , CARNIATO D. , VO‐QUANG L. , LACOSTE A.‐M. , NEUZIL E. , LE GOFFIC F. 
Published: May 2016

AbstractAusgehend vom Phosphonsäureester (I) werden die Phosphonsäuren (III), (IV) und (VI) dargestellt, deren inhibierende Wirkung auf Alanin‐ Racemasen und D‐Alanin:D‐Alanin‐Ligasen aus Pseudomonas aeruginosa und Streptocoecus faecalis untersucht wird.
ChemInform Abstract: Synthesis and Characterization of New Chromium(III) Complexes of Macrocyclic Ligands.
Authors: NAIR B. U. , RAMASWAMY D. , RAMASAMI T. 
Published: May 2016

AbstractDurch Reaktion des Liganden mit [Cr(H2O)6]" in entlüftetem DMF bzw. MeOH und Luftoxidation wurden (Ia) bzw. (II) dargestellt.
ChemInform Abstract: Solid‐State Structure of α‐Mo2Cl4(dppe)2 and Its Transformation to β‐Mo2Cl4(dppe)2.
Authors: AGASKAR P. A. , COTTON F. A. 
Published: May 2016

AbstractDie Diphosphin‐verbrückte a‐Titelverbindung, deren Molekül‐ und Kristallstrukturdaten (RG C2/ c, Z=4) röntgenographisch bestimmt werden, lagert sich bei 250°C im Vakuum innerhalb vonzwei Tagen quantitativ zum IR‐spektroskopisch charakterisierten β‐Isomeren um.
ChemInform Abstract: Metal Alkoxides ‐ Metal Alkoxides ‐ Models for Metal Oxides. Part 9. Hydridoditungsten Alkoxides: W2(H)(O‐iPr)8Na·diglyme and W2(H)(I)(OCH2‐tBu)6(H2NMe). Further Investigations of the Reaction Between W2(NMe2)6(M≡M) and iPrOH Leading to W4(H)2(O‐iPr)14.
Authors: CHISHOLM M. H. , HUFFMAN J. C. , SMITH C. A. 
Published: May 2016

AbstractReaction between W2(NMe2)6(Ws W) and iPrOH ( 6 equiv.), which leads to the known compound (I), is shown to be critically dependent on the presence of the liberated amine.
ChemInform Abstract: Magnetic and Spectroscopic Studies of New Electrically Conducting Copper Complexes: 7,7,8,8‐Tetracyanoquinodimethanides of Copper Chelates with Di‐2‐pyridylamine.
Authors: INOUE M. , INOUE M. B. 
Published: May 2016

AbstractThe electrically Conducting complexes CuL2(TNCQ)2, CuL2(TNCQ)2‐ H2O, and CuL(TNCQ)2 (L: di‐2‐pyridylamine; TNCQ: 7,7,8,8‐tetracyanoquinodimethan) are obtained by reactions of [CuL"]" and TNCQ".
ChemInform Abstract: Copper Complexes of Binucleating N,N′‐Hydroxyalkyldiaminebis(salicylidine) Ligands Containing a Cu ‐ O ‐ Cu Bridge and an Exogenous Bridge.
Authors: BUTCHER R. J. , DIVEN G. , ERICKSON G. , MOCKLER G. M. , SINN E. 
Published: May 2016

AbstractBestimmte Typen Schiffscher Basen bilden mit Cu zweikernige Komplexe mit einer einzelnen Sauerstoffbrücke und einem weiteren Brückenliganden, der eine deprotonierte Carbonsäure wie in (I) oder deprotoniertes Pyrazol wie in (III) sein kann.
ChemInform Abstract: Synthesis and Structure of Au6(CH3C6H4CS2)6, a Novel Gold Cluster Compound.
Authors: SCHUERMAN J. A. , FRONCZEK F. R. , SELBIN J. 
Published: May 2016

AbstractThe new gold title compound (I) is prepared by addition of NaAuCl4‐2 H2O to the Pr4N+ salt of the ligand, each dissolved in DMF, in a 2:1 ligand to metal molar ratio (no yield given).
ChemInform Abstract: Organometallic Derivatives of the Tetrathiometallates: Syntheses, Structures, and Reactions of MS4[Rh(COD)]2 and MS4[(C5H5)Ru(PPh3)]2 (M: Mo, W).
Authors: HOWARD K. E. , RAUCHFUSS T. B. , RHEINGOLD A. L. 
Published: May 2016

AbstractThe complex (III) is prepared by the reaction of stoichiometric quantitites of (I) with (II) in acetonitrile.
ChemInform Abstract: Inhibition of Cell Growth and [3H] Thymidine Incorporation in Human Mammary Carcinoma Cell Line MDA‐MB 231 by PtCl2 Complexes of 1.2‐Diaminoethanes Derived from Amino Acids.
Authors: BRUNNER H. , SCHMIDT M. , UNGER G. , SCHOENENBERGER H. + 
Published: May 2016

AbstractThe diamines (II) were synthesized from the L‐amino acids (I) and transformed into the Pt complexes (III).
ChemInform Abstract: Methods for Indole Alkaloid Synthesis. A Specific Procedure for Introducing the 6,7 Double Bond into Aspidosperma‐Type Alkaloids via Thiolactam Dehydrogenation.
Authors: MAGNUS P. , PAPPALARDO P. A. 
Published: May 2016

AbstractReaction of the indole (I) with the amines (II) gives the imines (III), which are treated with the mixed anhydride (IV) to afford the tetracyclic lactam (V).
ChemInform Abstract: Preparative Bioorganic Chemistry. Part 7. New Synthesis of (+)‐6a‐Carbaprostaglandin I2 Employing Yeast Reduction of a β‐Keto Ester Derived from cis‐Bicyclo[3.3.0]octane‐3,7‐dione as the Key Step.
Authors: MORI K. , TSUJI M. 
Published: May 2016

AbstractThe diketone (I) is converted to its monoacetal (III) and ethoxycarbonylated to afford the β‐keto ester (±)‐(V).
ChemInform Abstract: Dipole Moment in Relation to H2 Receptor Histamine Antagonist Activity for Cimetidine Analogues.
Authors: YOUNG R. C. , DURANT G. J. , EMMETT J. C. , GANELLIN C. R. , GRAHAM M. J. , MITCHELL R. C. , PRAIN H. D. , ROANTREE M. L. 
Published: May 2016

AbstractH2‐Rezeptor‐Histaminantagonisten wie (III)‐(VI) werden in überwiegend literaturbekannter Weise synthetisiert und hinsichtlich ihrer Aktivität mit Cimetidin (VII) verglichen.
ChemInform Abstract: Electrical Conductivities of Sodium Bromide in Formamide‐Water Mixtures.
Authors: DOMENECH J. , RIVERA S. 
Published: May 2016

AbstractThe electrical conductivities of NaBr solutions and the polarographic characteristics of Br′ are determined in different formamide‐water mixtures at 25°C. From these data the corresponding limiting equivalent conductances for Na+ and Br′ are calculated.
ChemInform Abstract: Demonstration of Contact Induced Ion Exchange in Zeolites.
Authors: FYFE C. A. , KOKOTAILO G. T. , GRAHAM J. D. , BROWNING C. , GOBBI G. C. , HYLAND M. , KENNEDY G. J. , DESCHUTTER C. T. 
Published: May 2016

AbstractBy means of a mixture of crystals of Li+Aand Na+A, it is demonstrated that cation exchange can occur between different zeolite crystals based only on a simple physical contact between the crystallites.
ChemInform Abstract: Measurement of the Absolute Third‐Order Rate Constant for the Reaction Between K + I + He by Time‐Resolved Atomic Resonance Fluorescence Monitoring of Iodine Atoms in the Vacuum Ultraviolet
Authors: PLANE J. M. C. , HUSAIN D. 
Published: May 2016

AbstractThe third‐order rate constant of the title reaction is found to be k1(567 K) = 3.04·10‐31cm6atom‐2s‐1.
ChemInform Abstract: Formation of the Active Form of Re2O7 / SiO2 Catalyst in Olefin Metathesis.
Authors: EDREVA‐KARDJIEVA R. M. , ANDREEV A. A. 
Published: May 2016

AbstractFormation, structure, and catalytic activity of Re2O7/SiO2 in olefin metathesis in the low temp. range (25‐220°C) has been investigated in order to clarify the effect of a support which is more covalent than Al2O3.
ChemInform Abstract: N2H6Br2·2 H2O : Synthesis, Crystal Structure and Proton Conductivity.
Authors: DUCOURANT B. , MULA B. , FOURCADE R. 
Published: May 2016

AbstractThe title compound isolated from an aqueous solution of N2H4‐ H2O and HBr (40%) crystallizes in the monoclinic system (space group P21/n with Z=2).
ChemInform Abstract: NMR Investigation of the Lanthanide Complexes with a 14‐Membered Polyaza Polyacetic Macrocycle, TETA.
Authors: DESREUX J. F. , LONCIN M. F. 
Published: May 2016

AbstractThe title ligand (I) forms unusually rigid lanthanide complexes (lanthanide ions: Pr, Eu, Tb, Yb, Lu) the solution properties of which have been investigated after deuterium labelling of the ligand.
ChemInform Abstract: Indirect Electrochemical Side ‐ Chain Oxidation of Alkyl Aromatic Compounds. Selective Synthesis of Methyl Benzoates or ortho‐Benzoic Acid Trimethylesters.
Authors: GROSSE BRINKHAUS K.‐H. , STECKHAN E. , DEGNER D. 
Published: May 2016

AbstractThe indirect electrochemical oxidation of the toluenes (I) is mediated by the cation radical formed from tris(2,4‐dibromophenyl amine) proceeding anodically (at 1.56 V vs.
ChemInform Abstract: Diels‐Alder and Ene Reactions of 4‐Substituted 1,2,4‐Triazoline‐3,5‐ diones and Some Substituted Styrenes.
Authors: LAI Y.‐C. , MALLAKPOUR S. E. , BUTLER G. B. , PALENIK G. J. 
Published: May 2016

AbstractStyrole (I) reagieren mit den Triazolindionen (II) über die Primär‐Addukte (III) zu den Bis‐Addukten (IV) und (V); aus dem 2,6‐Dichlorstyrol (VI) und (II) werden die Mono‐Addukte (VII) und nach Umlagerung (VIII) gebildet.
ChemInform Abstract: Intramolecular [2 + 2] Cycloadditions of Phenoxyketenes.
Authors: BRADY W. T. , GIANG Y. F. 
Published: May 2016

AbstractDie aus den o‐Alkenylphenoxyessigsäuren (I) und (IV) in situ erzeugten Phenoxyketene (II) und (V) reagieren in einer intramolekularen [2 + 2]‐Cycloaddition zu den tricyclischen Cyclobutanonen (III) und (VI).
ChemInform Abstract: Thermolysis of Highly Congested Tri‐tert‐alkylmethanols: Strain Energies of Bridgehead Alkyl Radicals.
Authors: LOMAS J. S. 
Published: May 2016

AbstractTrisubstituierte Methanole mit z.B. tert.‐Butyl‐, 1‐Adamantyl‐, 1‐Bicyclo[2.2.2]octyl‐ und 1‐Norbornyl‐Resten werden der Thermolyse unterworfen, die Kinetik und die entstehenden Produkte bestimmt.
ChemInform Abstract: Acetylative Cleavage of (Arylsulfonyl)ureas to N‐Acetylarenesulfonamides and Isocyanates.
Authors: NAGASAWA H. T. , SMITH W. E. , KWON C.‐H. , GOON D. J. W. 
Published: May 2016

AbstractAus den Arylsulfonyl‐harnstoffen (I) erhält man mit den Anhydriden (II) unter Spaltung die acylierten Sulfonamide (III), wobei die Isocyanate (IV) z.Tl. als Nebenprodukte isoliert werden können.
ChemInform Abstract: Diethoxydiphenylpolystyrylphosphorane: A New Polymeric Reagent for the Efficient Cyclodehydration of Simple Diols.
Authors: KELLY J. W. , ROBINSON P. L. , EVANS S. A. JUN. 
Published: May 2016

AbstractAus einem vernetzten Polystyrol sind die Diphenylphosphine (I) zugänglich, die mit Diethylperoxid zu den Diethoxy‐diphenyl‐phosphoranen (III) führen.
ChemInform Abstract: Cycloaromatization of α‐Oxoketendithioacetals with Benzylmagnesium Chloride: A Novel Naphthalene Annelation Reaction.
Authors: BALU M. P. , SINGH G. , ILA H. , JUNJAPPA H. 
Published: May 2016

AbstractAus α‐Oxo‐keten‐dithioacetalen (I) erhält man bei der Behandlung mit Benzylmagnesiumchlorid (II) über Zwischenstufen wie (III)‐(V) unter Anellierung die 1‐Benzylnaphthaline (VI).
ChemInform Abstract: Ultrasound in Phosphine Preparation. Simple Preparations of Some Bis‐(alkylphenylphosphino)alkanes.
Authors: CHOU T. , TSAO C.‐H. , HUNG S. C. 
Published: May 2016

AbstractBei der Behandlung mit Lithium unter Ultraschall‐Bestrahlung erhält man aus den Bis‐(diphenylphosphin)‐alkanen (I) die Dianionen (II), die nach Abfangen der mitentstandenen Phenylanionen (III) durch deren Umsetzung mit tert.‐Butylchlorid weiter mit Methyliodid zu (IV) bzw. mit Cyclohexylbromid zu (V) reagieren.
ChemInform Abstract: Pd(II)‐Mediated Oxidation of Olefins Using the Transannular Ozonides of 9‐tert‐ Butylanthracenes as an Oxygen Atom Source.
Authors: MATSUURA A. , ITO Y. , MATSUURA T. 
Published: May 2016

AbstractAus den Anthracenen (I) sind die cyclischen Peroxide (II) zugänglich, die mit den Styrolen (III) in Gegenwart von Pd(II)‐Salzen zu den Anthracen‐Derivaten (IV)‐(VI) und den Acetophenonen 41 (VII), mit Stilben (VIII) zu (IV)‐(VI) und dem Epoxid (IX) führen.
ChemInform Abstract: Catalytic Hydroxylation on Aromatic Rings by Use of an Artificial P‐450 System Assisted by Acid and Acid Anhydride.
Authors: TABUSHI I. , MORIMITSU K. 
Published: May 2016

AbstractIn Gegenwart von Wasserstoff, Sauerstoff, Pt und TPPMangan oder dem Ni‐Komplex (VIII) erhält man aus Benzol (I) Phenol (II).
ChemInform Abstract: The Reaction of Dichlorocarbene with Tertiary Carboxamides. Preparation of α‐Chloromethylenelactams and (E)‐Chloroacrylamides.
Authors: MARCOS M. , CASTRO J. L. , CASTEDO L. , RIGUERA R. 
Published: May 2016

AbstractTreatment of the lactams (I) or (III) with dichlorocarbene under phase transfer conditions yields the α‐chloromethylene compounds (II) or (IV).
ChemInform Abstract: Indane‐1,3‐dione, Phthalimidine and Phthalide Derivatives as Alkylating Agents.
Authors: BARILI P. L. , SCARTONI V. 
Published: May 2016

AbstractDie Kationen (II) werden ausgehend von (I) oder (III) mit Säuren hergestellt und dann mit den Phenolen (IV) in hohen Ausbeuten zu (V) umgesetzt.
ChemInform Abstract: Sn(II)‐Al‐Promoted Allylation of Aldehydes with Allyl Chloride in an Aqueous Solvent System.
Authors: UNEYAMA K. , KAMAKI N. , MORIYA A. , TORII S. 
Published: May 2016

AbstractDie Allylierung von Aldehyden (I) mit Allylchlorid (II) zu den Alkoholen (III) verläuft in guten Ausbeuten in Gegenwart von Zinn(II)‐(SnC12, SnSO4,Sn(OAc)2,SnO) bzw. Zinn(IV)‐Verbindungen (SnCl4) und Aluminiumpulver in einem Gemisch aus wäßriger Essigsäure und einem organischen Lösungsmittel (Methoxyethanol, TH F, DM F, Methanol, Essigester, Benzol u.a.).
ChemInform Abstract: A New Convenient Method for Esterification Using the Ph3P / CCl4 System.
Authors: RAMAIAH M. 
Published: May 2016

AbstractTriphenylphosphin (I) und Tetrachlorkohlenstoff (II) reagieren zur Zwischenstufe (III), die die Veresterung der Carboxylate (IV) mit den Alkoholen (V) zu den Estern (VI) bewirkt.
ChemInform Abstract: Radical Addition to the Carbonyl Carbon of Ketones Promoted by Aqueous Titanium Trichloride in Acidic Medium: One Step Synthesis of Pinacols and Lactones.
Authors: CLERICI A. , PORTA O. , ZAGO P. 
Published: May 2016

AbstractDie Ketone (Ia)‐(Id) reagieren nach A) unter Bildung der Pinakole (II), wobei neben (IIb)‐(IId) auch der Alkohol (III) und das Dimere (IV) entstehen.
ChemInform Abstract: A Novel Reaction: Sulphamatosulphenylation of Olefins.
Authors: ZEFIROV N. S. , ZYK N. V. , KUTATELADZE A. G. , KOLBASENKO S. I. , LAPIN YU. A. 
Published: May 2016

AbstractThe sulphenamide (I), which does not react with alkenes, is transformed to the more powerful electrophilic reagent (II) by insertion of S03.
ChemInform Abstract: Synthesis of Some N‐Substituted Benzenepropanamines.
Authors: ANDOTRA C. S. , KUMAR R. 
Published: May 2016

AbstractAus Vanillin (I) werden über (II) und (IIIa)‐(IIIc) die Derivate (IIId) hergestellt, die nur geringe biologische Wirkung besitzen.
ChemInform Abstract: Synthesis of α‐Arylsulfonoxy Ketones from Ketone Derivatives.
Authors: HOFFMAN R. V. , CARR C. S. , JANKOWSKI B. C. 
Published: May 2016

AbstractSilylenolether (I) sowie die Enamine (IV) reagieren mit dem Sulfonylperoxid (II) zu den α‐Nosylketonen (III).
ChemInform Abstract: A Mild and Efficient Synthesis of Thiolesters from Alcohols.
Authors: GAUTHIER J. Y. , BOURDON F. , YOUNG R. N. 
Published: May 2016

AbstractAus den Alkoholen (I) erhält man mit Thioessigsäure (II) in Gegenwart von Zinkiodid die Thioloester (III); analog werden die Ester (IV) bis (VIII) gebildet, aus den isomeren Allylalkoholen (IX) und (X) werden ähnliche Gemische der Thioloacetate (XI) und (XII) erhalten.
ChemInform Abstract: Synthesis of Optically Active 2,2′‐Dihalo‐1,1′‐binaphthyls via Stable Diazonium Salts.
Authors: BROWN K. J. , BERRY M. S. , MURDOCH J. R. 
Published: May 2016

Abstractβ‐Naphthol (I) kann mit Hydrazinhydrat zu racemischem (IIa) umgesetzt und dieses dann mit d‐Camphersulfonsäure in die Antipoden getrennt werden.
ChemInform Abstract: Studies of Dithiiranes and Thiosulfines as Reactive Intermediates.
Authors: SENNING A. , HANSEN H. C. , ABDEL‐MEGEED M. F. , MAZURKIEWICZ W. , JENSEN B. 
Published: May 2016

AbstractIndirect, but compelling evidence for the intermediacy of dithiiranes [as for example (VI), (X)] and thiosul?nes [as for example (V), (IX), (XIV)] has been found in the reactions shown in the scheme and is also provided by literature data.
ChemInform Abstract: A Two‐Step Preparation of a‐Alkylidene γ‐Lactones from γ‐Lactones: A Synthesis of (±)‐Ancepsenolide.
Authors: LARSON G. L. , BETANCOURT DE PEREZ R. M. 
Published: May 2016

AbstractDie Reaktion der Lithium‐enolate der γ‐Lactone (I) mit dem Silylchlorid (II) führt zu den C‐silylierten Lactonen (III), die mit den Aldehyden und Ketonen (IV) zu den ‐ vorwiegend E‐kon?guierten ‐ im Titel genannten Verbindungen (V) kondensiert werden.
ChemInform Abstract: Synthesis of N4‐(5‐Methoxy‐7‐benzofuranyl)‐1,4‐pentanediamine. An Oxygen Isostere of Primaquine.
Authors: JOHNSON J. L. , WERBEL L. M. 
Published: May 2016

AbstractDer Methoxy‐salicylaldehyd (I) wird nach Nitrierung zu (II) mit Brommalonester (III) zum Benzofuran‐Derivat (IV) cyclisiert, das nach Verseifung und Decarboxylierung zum Amin (V) reduziert wird.
ChemInform Abstract: Stable Heteroarenium Ions. Part 9. Disproportionation of Alkylthiophenium Ions and Its Use for the Synthesis of 2,4‐Dialkylthiophenes.
Authors: BELEN'KII L. I. , YAKUBOV A. P. 
Published: May 2016

AbstractDie Disproportionierung der aus Thiophen (I) und dem Alkylierungsmittel (II) gebildeten Thiopheniumionen (IIIa) und (IIIb) werden untersucht.
ChemInform Abstract: The Scope and Limitations of Carboxamide‐Induced β‐Directed Metalation of 2‐Substituted Furan, Thiophene and 1‐Methylpyrrole Derivatives.
Authors: CARPENTER A. J. , CHADWICK D. J. 
Published: May 2016

AbstractDas Thiophen‐ 2‐carbonsäureamid (I) liefert nach Metallierung durch LDA oder s‐BuLi mit Kohlendioxid die Carbonsäuren (II) und (III); aus (IV) erhält man analog (V) und (VI).
ChemInform Abstract: Electrophilic Substitution Reactions of Furo[3,2‐b]pyrrole Derivatives.
Authors: KRAL'OVICOVA E. , KRUTOSIKOVA A. , KOVAC J. , DANDAROVA M. 
Published: May 2016

Abstract(I) undergoes Vilsmeier reaction to give the aldehyde (IIa).
ChemInform Abstract: Reagents for Bioorganic Synthesis. Part 2. Methyl N‐(Dicarbomethoxymethyl)methanimidate.
Authors: LIM B. B. , HOSMANE R. S. 
Published: May 2016

AbstractDie ausgehend vom Isonitrosomalonester (I) gemäß Schema hergestellte im Titel genannte Verbindung (IV) cyclisiert mit primären Aminen zu den Imidazol‐Derivaten (VII) bzw. deren Ammoniumsalzen (VIII).
ChemInform Abstract: Synthesis of ω‐Bromo‐Fatty Acid Derivatives from Internal Unsaturated Acids.
Authors: ALVHAELL J. + , GRONOWITZ S. , HALLBERG A. 
Published: May 2016

AbstractAs reported previously, the zirconium hydrido Chloride (IV) reacts with protected fatty acids such as (I) and (V) to give mixtures of α,β‐ and (predominantly) ω‐D‐substituted products on deuteration.
ChemInform Abstract: Improved Procedure for the Preparation of 3.4‐Dihydro‐2,2‐dimethyl‐2H‐ l‐benzopyran‐3‐ones.
Authors: CAMPS F. , COLOMINA O. , CONCHILLO A. , MESSEGUER A. 
Published: May 2016

AbstractAus den 2H‐Benzopyranen (I) erhält man mit Persäure die Diolmonoester (II), aus denen thermisch die gewünschten Benzopyranone (III) erhalten werden.
ChemInform Abstract: Synthesis of 4‐Alkyl‐3‐pyridinols from 3‐Benzyloxypyridine.
Authors: COMINS D. L. , STROUD E. D. 
Published: May 2016

Abstract3‐Benzyloxy‐pyridin (I) wird mit Chlorkohlensäurephenylester (II) und den Grignard‐Verbindungen (III) zu den 4‐substituierten Dihydropyridinen (IV) umgesetzt, dann mit o‐Chlora‐ 106 nil (V) zu den Pyridin‐Derivaten (VI) oxidiert und weiter zu den im Titel genannten Verbindungen (VII) debenzyliert.
ChemInform Abstract: Cyanothioacetamide in Heterocyclic Synthesis. A Novel Synthesis of 2‐Pyridothione Derivatives.
Authors: FAHMY S. M. , MOHAREB R. M. 
Published: May 2016

AbstractThe pyridothione (II) is obtained either by self‐condensation of (I) or by reaction of (I) with malononitrile (III).
ChemInform Abstract: Synthesis of Novel N‐(1,2,3,7,8,9,9a,9b‐Octahydro‐3‐(phenylmethyl)‐5H‐dipyrrolo[1,2‐c:3,2‐e]pyrimidine‐5‐ylidene)benzenamine Derivatives.
Authors: MATTHEWS D. P. 
Published: May 2016

Abstract1‐Benzyl‐pyrrolidon (I) kondensiert in Gegenwart von Phosphoroxychlorid zu (II), das zum Pyrrolinylpyrrolidon (III) hydriert und dann mit den Isothioharnstoff‐Derivaten (IV) zu den Amidinen (V) umgesetzt werden kann.
ChemInform Abstract: Pyrazine Chemistry. Part 5. Synthesis of Methylanhydropicroroccellin and Dimethylpicroroccellin.
Authors: MARCUCCIO S. M. , ELIX J. A. 
Published: May 2016

AbstractThe methoxypiperazine‐2,5‐diones (II) and (III) are obtained from (I) by Michael addition, together with small amounts of (VI).
ChemInform Abstract: Reaction of 5‐(3,4‐Dimethoxyphenyl)pyrazine‐2,3‐dicarbonitrile with Alcohol in the Presence of Base.
Authors: TSUZUKI K. , TADA M. 
Published: May 2016

AbstractAus dem Pyrazin‐dinitril (I) entstehen in Gegenwart von Basen die Substitutionsprodukte (II) und (III) und/ oder die isomeren Ester (IVb) bzw. (Vb).
ChemInform Abstract: Central Nervous System Active Compounds. Part 16. Some Chemistry of 6‐Oxo Caprolactams Derived from an Enamine Ring‐Expansion Synthesis.
Authors: HEINICKE G. W. , MORELLA A. M. , ORBAN J. , PRAGER R. H. , WARD A. D. 
Published: May 2016

Abstract(I) and (II) give (III), which undergoes Dieckmann condensation to afford (IVa).
ChemInform Abstract: Synthesis of Novel Quinoxalines by Ring Transformation of 3‐Quinoxalinyl‐1,5‐benzodiazepine.
Authors: KARUSAWA Y. , SHIMABUKURO S. , OKAMOTO Y. , TAKADA A. 
Published: May 2016

AbstractDas Chinoxalinyliden‐benzodiazepin‐hydrochlorid wird unter Ringtransformation in das Benzimidazolylmethylen‐chinoxalinon (II) umgewandelt.
ChemInform Abstract: Alkylation of 4‐Nitroimidazole‐5‐thiol with α,ω‐Dihalides to Form Bicyclic Derivatives.
Authors: GRIMMETT M. R. , VAN HORIK E. T. , KULKARNI S. R. 
Published: May 2016

AbstractAlkylation of the salt (I) with the dihalo‐alkanes (II) leads to the cyclization products (III) [prolongation of the reaction time from 1.5 to 3 h gives, in the case of the reaction with (IIc), the dimer (V) (yield 46%) and (IIIc) (20%)].
ChemInform Abstract: Electron Transfer. Part 77. Electrochemistry of Carboxylato‐Bound Chromium(V).
Authors: BOSE R. N. , NEFF V. D. , GOULD E. S. 
Published: May 2016

AbstractSodium bis(2‐ethyl‐2‐hydroxybutyrato)oxochromate(V) (I) undergoes quasi‐reversible one electron reaction in aqueous perchlorate in the pH range 3.5‐6.0.
ChemInform Abstract: Synthesis of Tris(3,5‐di‐tert.‐butylcatecholato)molybdenum(VI) and Its Reaction with Molecular Oxygen.
Authors: CASS M. E. , PIERPONT C. G. 
Published: May 2016

AbstractThe title complex (II) is prepared from the o‐quinone (I) and MÖ(VI) under careful exclusion of oxygen.