bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Chemistry of Sulfonylmethyl Isocyanides. Part 29. A New Synthetic Approach to the Benzazole Ring System.
Authors: MOSKAL J. , VAN STRALEN R. , POSTMA D. , VAN LEUSEN A. M. 
Published: May 2016

AbstractAus den Dienonen (II) und den Tosylisonitrilen (I) erhält man die Pyrrole (IIIa) und deren Derivate (IIIb) und (IIIc).
ChemInform Abstract: Sterically Hindered Free Radicals. Part 14. Substituent‐Dependent Stabilization of Para‐Substituted Triphenylmethyl Radicals.
Authors: NEUMANN W. P. , UZICK W. , ZARKADIS A. K. 
Published: May 2016

AbstractThe 21 radicals (I) are generated from the corresponding chlorides by halogen abstraction with Cu powder.
ChemInform Abstract: Reaction of Reduced PQQ(PQQH2) and Molecular Oxygen.
Authors: ITOH S. , OHSHIRO Y. , AGAWA T. 
Published: May 2016

AbstractThe gradual acceleration of the title reaction with proceeding of the oxidation is attributed to a side reaction of (II) (PQQH2) with H2O2 produced in the reaction (yield 50%).
ChemInform Abstract: Catalytic Hydroalumination of 1‐Alkynes.
Authors: NAGAHARA S. , UCHIMOTO T. , YANO W. , DOI Y. 
Published: May 2016

AbstractDie katalytische Hydroaluminierung der Alkine (I) wird in Gegenwart des Titan‐Komplexes (II) unter Verwendung unterschiedlicher Aluminiumhydride bei verschiedenen stöchiometrischen Verhältnissen untersucht.
ChemInform Abstract: Synthesis of p‐Phenylene Diacrylic Acid Derivatives by Palladium Catalyzed Vinylation of Aryl Halides.
Authors: KANG N. J. , LEE J. T. , KIM J. I. 
Published: May 2016

AbstractIn the Pd‐catalyzed reaction of dihalobenzenes (I) with an olefin such as (IIc) to give the product (III), the diiodide (Ia) is more reactive than its monobromo counterpart (Ib).
ChemInform Abstract: Synthesis of Trimethylsilyl Ketene Acetals from Triacyl Glycerols and Their Reaction with t‐Butyl Chloride and 1‐Adamantyl Bromide.
Authors: HERSLOEF M. + , GRONOWITZ S. 
Published: May 2016

AbstractTreatment of triacyl glycerols (I) with LDA and (IV) gives the ketene acetals (V), whose alkylation with (II) or (III) in the presence of ZnCl2 is described.
ChemInform Abstract: Di‐ and Trifluorovinyllithium Reagents.
Authors: GILLET J. P. , SAUVETRE R. , NORMANT J. F. 
Published: May 2016

AbstractTrifluorvinyllithium (IIa) erhält man durch Halogen‐Metall‐Austausch, die E‐ und Z‐1,2‐Difluorvinyllithium‐Derivate (IIb) und (IIc) durch direkte Metallierung.
ChemInform Abstract: Isotope Labelling in Ring A of Gibberellin A20.
Authors: ALBONE K. S. , MACMILLAN J. , PITT A. R. , WILLIS C. L. 
Published: May 2016

AbstractFull assignments of the 1H NMR chemical shifts of the ring A protons in gibberellin A20 methyl ester 13‐acetate (Ia) have been made on the basis of 1H, 2H, and 13C NMR data for various deuterated derivatives (Ib)‐(Ig) and hydrolysis products (II) thereof.
ChemInform Abstract: Novel Oxirane Formation via 1‐Metalla‐2‐oxacyclobutanes.
Authors: MIYASHITA A. , ISHIDA J. , NOHIRA H. 
Published: May 2016

AbstractAus dem Dimethylnickel‐Komplex (I) erhält man mit tert.‐Butanol das Substitutionsprodukt (II) und Methan (III).
ChemInform Abstract: Interception of [2 + 2] Cycloadducts in the Zinc Bromide Mediated Reaction of Di‐tert‐butyl Methylenemalonate with Simple Enol Ethers.
Authors: BAAR M. R. , BALLESTEROS P. , ROBERTS B. W. 
Published: May 2016

AbstractDie Enolether (I) reagieren mit dem Methylenmalonester (II) in Gegenwart von Zinkbromid zu den Cyclobutanen (III), daneben werden in Abhängigkeit von der Dosierreihenfolge auch der Keto‐ester (IV) oder die Cycloalkanon‐Derivate (V) erhalten.
ChemInform Abstract: Chalcogenolates. Part 171. Reaction of N,N′‐Diphenyl Formamidine with Carbon Disulfide. Part 4. Esters of N′N′‐Diphenyl‐N‐formimidoyl Dithiocarbamic Acid.
Authors: EUL W. , GATTOW G. 
Published: May 2016

AbstractIt is impossible to arylate the formimidoyl dithiocarbamic acid (I) analogously to the preparation of (II) due to the decomposition of (I) under the necessary conditions.
ChemInform Abstract: Synthesis of l0‐Alkylthio‐ and Arylthio‐1,8‐dihydroxy‐9‐anthrones, a New Class of Anthracene Derivatives of Potential Pharmacological Interest.
Authors: D'ISCHIA M. , PROTA G. 
Published: May 2016

AbstractDas Trihydroxyanthron (I) wird mit den Mercaptanen (II) in Trifluoressigsäure zu den Sulfiden (III) umgesetzt.
ChemInform Abstract: A Novel Ring Expansion of 1‐Carboethoxy‐1,1‐trimethylene‐3‐diazo‐2‐propanone.
Authors: MILLER R. D. , THEIS W. 
Published: May 2016

AbstractDer Cyclobutan‐1,1‐dicarbonsäureester (Ia) wird partiell zur Monocarbonsäure (Ib) verseift und dann über das Säurechlorid mit Diazomethan zum Diazoketon (II) substituiert.
ChemInform Abstract: Substituted 1‐Benzylimidazole‐2‐thiols as Potent and Orally Active Inhibitors of Dopamine β‐Hydroxylase.
Authors: KRUSE L. I. , KAISER C. , DEWOLF W. E. JUN. , FRAZEE J. S. , ERICKSON R. W. , EZEKIEL M. , OHLSTEIN E. H. , RUFFOLO R. R. JUN. , BERKOWITZ B. A. 
Published: May 2016

AbstractKondensation der Benzaldehyde (I) mit dem Acetal (II) und nachfolgende Boranat‐Reduktion liefern die Benzylamine (III), die durch Reaktion mit Kaliumrhodanid/ Salzsäure und (gegebenenfalls) anschließende Etherspaltung mit Bortribromid in die im Titel genannten Verbindungen (IV) übergeführt werden.
ChemInform Abstract: Studies on the Synthesis of 5‐Acyl‐2,4‐diaminothiazoles from Amidinothioureas.
Authors: RAJASEKHARAN K. N. , NAIR K. P. , JENARDANAN G. C. 
Published: May 2016

AbstractDie Umsetzung der Amidinothioharnstoffe (I) mit den Brommethylketonen (II) führt zu den Thiazol‐Derivaten (III).
ChemInform Abstract: Pyridinethiones. Part 12. Synthesis of 2,3‐Dihydro‐6‐methylthio‐4(1H)‐pyridones and 2,3‐Dihydro‐4H‐thiopyran‐4‐ones.
Authors: BECHER J. , NISSEN H. , VARMA K. S. 
Published: May 2016

AbstractThe anions of the styryl ketones (I), prepared in DMSO with NaOMe, are treated with the aryl isothiocyanates (II) to give the thiopyranones (III).
ChemInform Abstract: Phosphorus Pentoxide in Organic Synthesis. Part 24. Synthesis of 4‐Arylamino‐ 5,6,7,8‐tetrahydro‐1H‐pyrazolo[3,4‐b]quinolines and 5,6,7,8‐Dehydrogenated Analogues.
Authors: NIELSEN S. V. , PEDERSEN E. B. 
Published: May 2016

AbstractThe heterocyclic compounds (V), partly displaying fungicidal activity, are prepared by reaction of (I) with (II) and (III) under the conditions detailed in the scheme.
ChemInform Abstract: Heterocyclic Spiro Compounds. Part 1. Synthesis of 9,10‐Dimethoxy‐ 1,3,4,6,7,11b‐hexahydro‐spiro[benzo[a]quinolizine‐2,3′‐pyrrolidine]‐ 2′,5′‐dione.
Authors: MENENDEZ J. C. , TRIGO G. G. , SOELLHUBER M. M. + 
Published: May 2016

AbstractAus dem Piperidon (I) wird die im Titel genannte Verbindung (IX) auf zwei verschiedenen Wegen gemäß Formelschema hergestellt.
ChemInform Abstract: Synthesis, Saludiuretic, and Antihypertensive Activity of 6,7‐Disubstituted 1(2H)‐ and 3,4‐Dihydro‐1(2H)‐phthalazinones.
Authors: CHERKEZ S. , HERZIG J. , YELLIN H. 
Published: May 2016

AbstractAusgehend von der Benzoesäure (I) bzw. der Phthalsäure (IX) werden auf den angegebenen Reaktionswegen die im Titel genannten Verbindungen (V), (VI), (XIV) und (XV) hergestellt.
ChemInform Abstract: Synthesis of Various Thienyl‐ and Selenienylpyrimidines.
Authors: GRONOWITZ S. , HOERNFELDT A.‐B. + , KRISTJANSSON V. , MUSIL T. 
Published: May 2016

AbstractThe title compounds (III), (V) and (VII) are prepared by the Pd(0) ‐catalyzed reaction of appropriately substituted halopyrimidines (II), (IV) and (VI) with the boronic acids (I).
ChemInform Abstract: Preparation and Cofactor Activity of (6S)‐Tetrahydrobiopterin (I).
Authors: MATSUURA S. , MURATA S. , SUGIMOTO T. , SAWADA M. , NAGATSU T. 
Published: May 2016

AbstractHydrogenation of biopterin gave an isomeric mixture of (6S)‐(I) and (6R)‐tetrahydrobiopterin, from which stereochemically pure (6S)‐(I) was isolated (12% from biopterin).
ChemInform Abstract: Fused‐ring 1,4‐Benzothiazine S,S‐Dioxides via Intramolecular Nitrile Imine Cycloaddition.
Authors: BRUCHE L. , ZECCHI G. 
Published: May 2016

AbstractThe desired title compounds (IV), (V) and (VIII) are prepared starting from the sulfides (I) (discussion of the formation mechanisms).
ChemInform Abstract: Synthesis and Electronic Structure of the R2NCS2N3 Ring: X‐Ray Crystal Structure of the Bicyclic Compound iPr2NCS3N5 and Preparation of R2NCS2N3 · C7H8 (R: Me, Et, iPr), Et2NCS2N2)+ Cl‐ and Salts of the (R2NCN)(NSCl)(NS)+ Cation.
Authors: CHIVERS T. , EDELMANN F. , RICHARDSON J. F. , SMITH N. R. M. , TREU O. JUN. , TRSIC M. 
Published: May 2016

AbstractThe crystal and molecular structures of (I) are determined by X‐ray crystallography (space group PT with Z=2).
ChemInform Abstract: Tris(silyl)silyl‐chlorosilanes and P‐Halogenated Silylphosphanes.
Authors: HAASE M. , KLINGEBIEL U. 
Published: May 2016

AbstractLi‐trisilylsilane (II) reacts with the chlorosilanes (I) to give the thermally stable tris(silyl)silyl‐chlorosilanes (IIIa), (IIIb) and (IIIc) whose chlorination leads to the formation of the chloro derivative (IV); The reaction between (II) and the aminodihalogenophosphanes (V) results in the thermally stable silylphosphanes (VI).
ChemInform Abstract: Bis(methyldiphenylsilyl)‐sulfanes: Starting Compounds for the Preparation of Sulfanes H2Sn and D2Sn of Definite Chain Length.
Authors: HAHN J. , ALTENBACH K. 
Published: May 2016

AbstractThe silylsulfanes (II) are prepared as shown in the scheme, and characterized by their 1H and 29Si NMR spectra.
ChemInform Abstract: Synthesis of 1‐Aminophosphonic Acid Derivatives via Acyliminophosphonic Esters.
Authors: SCHRADER T. , KOBER R. , STEGLICH W. 
Published: May 2016

AbstractDie 1‐Acylaminomethanphosphonsäureester (I) werden nach Bromierung und Dehydrohalogenierung in die Acyliminomethanphosphonsäureester (III) übergeführt, die nach Addition an die Enamine (IV) oder die Inamine (VI) die γ‐Ketoderivate (V) bzw. (VII) liefern.
ChemInform Abstract: A Stable Aryldialkoxybrominane: Synthesis, Structure, and Reactions of an Organo‐Nonmetallic 10‐Br‐3 Species.
Authors: NGUYEN T. T. , WILSON S. R. , MARTIN J. C. 
Published: May 2016

AbstractThe bromobenzenes (IIIa), (IIIb) are synthesized from the anilines (II) which in turn can be obtained from compounds (I) as shown.
ChemInform Abstract: Efficient Carbon‐Carbon Bond Formation with Thermally Stable 1,1‐Dihalo‐2,2,2‐trifluoroethylzinc Reagent.
Authors: FUJITA M. , MORITA T. , HIYAMA T. 
Published: May 2016

AbstractAus den Trifluortrihaloethanen (I) entstehen mit Zink die thermisch stabilen Carbenoide (II), die mit den Aldehyden (III) zu den entsprechenden Alkoholen (IV) reagieren.
ChemInform Abstract: Additions of Free Dimethylgermylene to Vinyl Ketones and α‐Diketones.
Authors: MICHELS E. , NEUMANN W. P. 
Published: May 2016

AbstractDas aus dem Germanorbornadien (I) erhaltene Dimethylgermylen (II) reagiert mit den Vinylketonen (III) zu den cyclischen Addukten (IV); analog entstehen die Addukte (VI) und (VIII).
ChemInform Abstract: Structures and Properties of Cubane‐type Clusters of [Mo4S4(edta)2]ni (n: 2, 3, and 4) and [Mo4S4(H2O)12]n+ (n: 4 and 5).
Authors: SHIBAHARA T. , KUROYA H. , MATSUMOTO K. , OOI S. 
Published: May 2016

AbstractThe mixed‐valence complex (I) is oxidized by bromine to give the oxidized form (IIa), and is reduced by NaBH4 to afford the reduced form (IIb).
ChemInform Abstract: Synthesis and Magnetic Resonance Spectroscopy of Novel Phenolato‐Bridged Manganese(III) and Iron(III)‐Manganese(III) Porphyrin Complexes.
Authors: GODZIELA G. M. , TILOTTA D. , GOFF H. M. 
Published: May 2016

AbstractThe novel title complex (Ia) has been synthesized by addition of excess manganous acetate to a refluxing solution of the porphyrin in DMF.
ChemInform Abstract: Cleavage of Co‐C and Co‐Co Bonds by Hydrogen Halides. Reaction of (CH3)2CHC(O)Co(CO)4, Co2(CO)8, Co2(CO)7PPh3 and Co2(CO)6(PBu3) with HX (X: Cl, I).
Authors: KOVACS I. , UNGVARY F. , MARKO L. 
Published: May 2016

AbstractKinetics of the title reactions giving the aldehyde (II) and/or only the hydridocarbonyls (III) or (VI) and COXZ are determined by means of IR spectroscopy and discussed in terms of mechanisms.
ChemInform Abstract: Palladated Azobenzenes and Regiospecific Aromatic Metaloxylation.
Authors: MAHAPATRA A. K. , BANDYOPADHYAY D. , BANDYOPADHYAY P. , CHAKRAVORTY A. 
Published: May 2016

AbstractThree groups of ortho‐palladated azobenzenes, the complexes (I), (V), and (VII) with C,N‐bidentate and C,N,O‐ or C,N,S‐tridentate ligands, are prepared by reaction of Na2PdCl4 with the ligands.
ChemInform Abstract: Synthesis and Structure of (Pt(C5H5NOS)2(C5H4NOS))Cl, where C5H5NOS = 3‐hydroxy‐2‐mercaptopyridine.
Authors: GOODGAME D. M. L. , SLAWIN A. M. Z. , WILLIAMS D. J. , ZARD P. W. 
Published: May 2016

AbstractReaction of the title ligand with K2PtCl4 /KI in hot methanol yields the title complex in which two neutral ligands coordinate via the S atoms whilst the third, monodeprotonated ligand chelates via S and O atom.
ChemInform Abstract: Complexes of 2,2′‐Bipyrimidine and 3,6‐Di(2‐pyridyl)tetrazine.
Authors: JARADAT Q. , BARQAWI K. , AKASHEH T. S. 
Published: May 2016

AbstractThe synthesis of the complexes (I)‐(VIII) from corresponding metal halides including Pd(NCPh)2Cl2, Pt(NCPh)2Br2, and Ru(2,2′‐bipyridyl)2C12 and the title ligands are described.
ChemInform Abstract: DNA Strand Scission by Bleomycin: Catalytic Cleavage and Strand Selectivity.
Authors: SUGIYAMA H. , KILKUSKIE R. E. , CHANG L.‐H. , MA L.‐T. , HECHT S. M. , VAN DER MAREL G. A. , VAN BOOM J. H. 
Published: May 2016

AbstractIt is demonstrated that 1) bleomycin (BLM) can act catalytically in DNA degradation, 2) both ends of the BLM molecule participate in determining DNA binding specifity, 3) BLM and decarbamoyl‐BLM have different coordination geometries when bound to Fe, and 4) BLM can probably assume two different orientations at double‐strand cleavage sites.
ChemInform Abstract: Simple Synthesis of the Two Enantiomeric Forms of erythro‐Octane‐2,3‐diol and 2‐Hydroxyoctan‐3‐one, Proposed Pheromones of Xylotrechus pyrrhoderus.
Authors: PEDROCCHI‐FANTONI G. , SERVI S. 
Published: May 2016

AbstractThe two title compounds (IV) and (VI) are available Starting from the reaction between the (4R)‐trans‐aldehyde (I) and the ylide (II).
ChemInform Abstract: Characterization of NiCo2O4 Electrodes for O2 Evolution. Part 1.
Authors: HAENEN J. , VISSCHER W. , BARENDRECHT E. 
Published: May 2016

AbstractThe surface f eatures of freshly prepared NiCo2O4 electrodes are characterized by cyclic voltammetric and charging curves (RRDE) in order to correlate the electrocatalytic activity and the spinel structure.
ChemInform Abstract: Anodic Behaviour of Unsaturated Systems. Part 3. The Electrochemical Addition to Disubstituted Indenones.
Authors: DELAUNAY J. , ORLIAC‐LE MOING M.‐A. , SIMONET J. 
Published: May 2016

AbstractDie anodische Oxidation von 2,3‐disubstituierten Indenonen (I) wird an verschiedenen Anodenmaterialien in Gegenwart von Nucleophilen untersucht.
ChemInform Abstract: Optical Induction. Part 7. Reaction Between Phenyloxirane and Benzylamine.
Authors: GOGTE V. N. , NATU A. A. , PANDIT V. 
Published: May 2016

AbstractReaction of the oxirane (I) with benzylamine (II) in the presence of quinine (A1) or quinidine (A2) results in the formation of the alcohol (III).
ChemInform Abstract: Enantioselective Acetal Formation. A Process for the Pure Preparation or Enrichment of Enantiomers.
Authors: KNOLLMUELLER M. + , NOE C. R. , STEINBAUER G. , DUNGLER K. 
Published: May 2016

AbstractBei der säurekatalysierten Umsetzung der optisch aktiven Acetale (I) mit zwei Äquivalenten der racemischen Alkyl‐aryl‐carbinole (II) entsteht bevorzugt das diastereomere Acetal (III), das zu dem entsprechenden Enantiomeren (II) hydrolysiert wird.
ChemInform Abstract: The First Efficient Asymmetric Synthesis of 7‐Oxabicyclo[2.2.1]hept‐5‐ene‐2‐carboxylate Derivatives.
Authors: TAKAYAMA H. , IYOBE A. , KOIZUMI T. 
Published: May 2016

AbstractDie aus dem (+)‐Menthylester (I) und 2‐Mercaptopyridin (II)erhaltenen optisch reinen Sulfoxide (IIIa) und (IIIb) ergeben mit Furan unter hoher Diastereoselektivität die Cycloaddukte (V) und (VI) bzw. (VII) und (VIII), von denen die rohen endo‐Cycloaddukte (V) und (VII) in optisch aktive Sulfenylalkohole (IX) und (XI) umgewandelt werden können.
ChemInform Abstract: Efficient, Low Temperature Reformatsky Reactions of Extended Scope.
Authors: CSUK R. , FUERSTNER A. + , WEIDMANN H. 
Published: May 2016

AbstractIn Gegenwart von in situ aus Kaliumgraphit CgK, Zinkchlorid und Silberacetat erzeugtem Zink/Silber‐beschichtetem Graphit bilden Bromessigsäureethylester (II) und das cyclische Keton (I) in schneller Reaktion das Reformatskii‐Produkt (III).
ChemInform Abstract: Aromatic Annelation. Synthesis of Naphthalenes.
Authors: TIUS M. A. , GOMEZ‐GALENO J. 
Published: May 2016

Abstract2‐Hydroxymethylen‐cycloheptanon (Ia) liefert die Silylether (Ib) und (Ic); aus (Ib) entsteht mit Benzylmagnesiumchlorid (II) über das Addukt (III) der Aldehyd (IV), der mit Bortrifluorid zum Cycloheptenonaphthalin (V) kondensiert wird.
ChemInform Abstract: Studies on the Pd Catalyzed Reaction of Perfluoroalkyl and Polyfluoroalkyl Iodides with Tertiary Amines.
Authors: HUANG Y. Z. , ZHOU Q. 
Published: May 2016

AbstractAus den tertiären Aminen (I) erhält man mit den Perfluoralkyliodiden (II) in Gegenwart von Pd die Enamine (III).
ChemInform Abstract: Novel Distannoxane‐Catalyzed Transesterification and a New Entry to α,β‐Unsaturated Carboxylic Acids.
Authors: OTERA J. , YANO T. , KAWABATA A. , NOZAKI H. 
Published: May 2016

AbstractDie Distannoxane (III) stellen mild wirkende Umesterungskatalysatoren dar.
ChemInform Abstract: Regio‐ and Stereoselective Hydrostannylation of 3‐Hydroxy‐4‐phenoxy‐1‐butyne: Effective Approach to Intermediates in the Total Synthesis of ω‐Aryloxy‐prostaglandins.
Authors: TOLSTIKOV G. A. , MIFTAKHOV M. S. , DANILOVA N. A. , VEL'DER YA. L. 
Published: May 2016

AbstractDurch Hydrostannylierung der Butinol‐Derivate (I) mittels TributyIzinnhydrid und anschließende Umsetzung mit Iod werden die Iodcarbinole (III), (VI) und (VIII) zugänglich, die zur Synthese von Prostaglandinen von Interesse sind.
ChemInform Abstract: Synthesis and Properties of Tris(trifluoromethylsulfonyl)amine.
Authors: HAAS A. , KLARE C. 
Published: May 2016

AbstractAuf dem angegebenen Weg können die Tri?uormethylthioamine (I) und (IV) zu den entsprechenden Sulfonamiden (III) und (V) oxidiert werden.
ChemInform Abstract: Significance of the Anomeric Effect on the Configurational Stability of Cyclopropyl Carbanions.
Authors: PADWA A. , WANNAMAKER M. W. 
Published: May 2016

AbstractAus dem Trimethylsilylacetylen (I) entsteht mit Dimethyldiazomethan (II) das Pyrazolin (III), aus dem man photolytisch das Cyclopropen (IV) erhält.
ChemInform Abstract: Mild and Efficient Preparation of γ‐Substituted α,β‐Unsaturated γ‐Butyrolactones from Epoxides.
Authors: HANESSIAN S. , HODGES P. J. , MURRAY P. J. , SAHOO S. P. 
Published: May 2016

AbstractDas Dilithioderivat der Phenylselenoessigsäure (II) reagiert mit den Epoxiden (I) zu γ‐substituierten α‐Phenylseleno‐γ‐butyrolactonen (lll), aus denen über eine Oxidation zu den Selenoxiden (IV) mit anschließender Eliminierung die ungesättigten Lactone (V) erhalten werden können.
ChemInform Abstract: Ring Transformation of 2‐Furylcarbamates to 5‐Hydroxy‐3‐pyrrolin‐2‐ ones.
Authors: YAKUSHIJIN K. , SUZUKI R. , KAWAGUCHI N. , TSUBOI Y. , FURUKAWA H. 
Published: May 2016

AbstractBei der Photooxidation der Furylcarbamate (III) in verschiedenen Solventien (Benzol Ethanol, Methanol) werden vorwiegend die im Titel genannten Verbindungen (IV) erhalten.
ChemInform Abstract: Quinone Imine Route to Benzimidazol‐2‐ylcarbamates. Part 1. Synthesis of Openchain and Cyclic 5‐Acylamino Derivatives.
Authors: RAJAPPA S. , SREENIVASAN R. , KHALWADEKAR A. 
Published: May 2016

AbstractAcylation of the nitroanilines (I) followed by reduction of the nitro group yields the amides (III), which are treated with the S‐methylthiourea (IV) to give the guanidines (Va)‐(Vf), whereas the guanidines (Vg) and (Vh) are obtained from the diamino compounds (VI) in 2 steps (no yields given).
ChemInform Abstract: Quinone Imine Route to Benzimidazol‐2‐ylcarbamates. Part 2. Synthesis of 5‐Sulph‐amido Derivatives.
Authors: RAJAPPA S. , SREENIVASAN R. , KHALWADEKAR A. 
Published: May 2016

AbstractTwo methodologies for the synthesis of the title compounds (V) and (IX) are described.
ChemInform Abstract: Quinone Imine Route to Benzimidazol‐2‐ylcarbamates. Part 3. Effect of Extension of Conjugation in the Quinone Imine.
Authors: DIVAKAR K. J. , GAIKWAD B. V. , TAMPAL N. F. , RAJAPPA S. 
Published: May 2016

AbstractThe guanidine derivatives (Ia) and (Ib), prepared from 2‐amino‐5‐nitrophenol, are converted to the benzimidazoles (II) by a previously described procedure via the corresponding quinone imine intermediates.
ChemInform Abstract: Nitrile Sulphides. Part 5. 1,3‐Dipolar Cycloaddition of p‐Methoxybenzonitrile Sulphide to Imines and Crystal Structure of One of the Resulting 4,5‐Dihydro‐1,2,4‐thiadiazoles.
Authors: GOULD R. O. , PATON M. R. , ROSS J. F. , WALKINSHAW M. D. , CROSBY J. 
Published: May 2016

AbstractThe benzonitrile sulfide (II) ‐ generated by thermal decarboxylation of (I) ‐ undergoes Cycloaddition with the Schiff bases (III) to give the title compounds (IV) in small amounts together with the nitrile (V).
ChemInform Abstract: Aromatic Benzylation. Part 6. Some More Experiments on Nuclear Benzylation of 2,4‐Dihydroxydesoxybenzoin and Synthesis of C‐Benzylated Isoflavones.
Authors: JAIN A. C. , NAYYAR N. K. , ARYA P. 
Published: May 2016

AbstractThe title reaction of compound (I) yields the products (III)‐(V).
ChemInform Abstract: Application of the Lewis Acid‐Catalysed Claisen Rearrangement of 4′‐(1,1‐Dimethylallyloxy)coumarates to the Synthesis of Demethylsuberosin.
Authors: CAIRNS N. , HARWOOD L. M. , ASTLES D. P. 
Published: May 2016

AbstractAusgehend von dem Propinylether (I) erhält man über den Ester (II) den Allylether (III), der nach Claisen regioselektiv zur Verbindung (IV) umgelagert wird.
ChemInform Abstract: The Synthesis of 2‐Naphthyl‐3‐nitro‐2H‐1‐benzopyrans.
Authors: VARMA R. S. , KADKHODAYAN M. , KABALKA G. W. 
Published: May 2016

AbstractDie Umsetzung der 2‐Hydroxybenzaldehyde (I) mit den 2‐Nitroethenylnaphthalinen (II) führt zu den Benzopyran‐Derivaten (III).
ChemInform Abstract: Syntheses of Ring‐Hydroxylated Nipradilols and Their Denitro Derivatives.
Authors: AKASHI T. , KAWAMURA K. , SHIRATSUCHI M. , ISHIHAMA H. 
Published: May 2016

AbstractAls potentielle Metaboliten des Antihypertensivums Nipradilol (Ia) sowie des Denitro‐ nipradilols (Ib) werden in vielstufigen Synthesen die Ring‐hydroxylierten Derivate (Ic)‐(Ie), (VIII) und (X) synthetisiert.
ChemInform Abstract: Synthesis of Highly Dipolar Betaines: Pyridinium Azolates.
Authors: ALCALDE E. , DINARES I. , FAYET J.‐P. , VERTUT M.‐C. , ELGUERO J. 
Published: May 2016

AbstractDurch Umsetzung von aktivierten Chlorazolen mit Pyridin oder von Aminoazolen mit Tripheny1pyridiniumtetrafluoroborat und jeweils anschließende Deprotonierung mit stark basisehen" Anionaustauschern entstehen die Pyridiniumazolate (I)‐(V), die ein beson‐ ders großes Dipolmoment von 10‐18 Debye besitzen.
ChemInform Abstract: Thiophene Analogues of the Alkaloids. Part 5. Preparation of Thieno[2,3‐b]‐ and ‐[3,2‐b]pyridine Analogues of 2‐Aryl‐1‐methyl‐4‐quinolone Alkaloids from Thiophene Isosteres of N‐Methylisatoic Anhydride.
Authors: BARKER J. M. , HUDDLESTON P. R. , HOLMES D. 
Published: May 2016

AbstractHydrolysis and cyclization of the ester (I) gives the thiophene counterpart (III) of isatoic anhydride, which is methylated [‐ (V)] and treated with the acetophenones (VI) to yield the title compounds (VII).
ChemInform Abstract: Condensed Heteroaromatic Ring Systems. Part 5. Formal Synthesis of Matrine and Related Compounds Using Palladium‐Catalyzed Carbon‐Carbon Bond Formations as Key Reactions.
Authors: SAKAMOTO T. , MIURA N. , KONDO Y. , YAMANAKA H. 
Published: May 2016

AbstractDidehydromatrin (XVI) sowie Nordehydro‐a‐matrinidin (XXl) werden auf den im Schema angegebenen Wegen aus dem Naphthyridinon (I) bzw. dem 1,6‐Naphthyridin (XVII) synthetisiert.