Synthesis of tropolone and tropone derivatives condensing fluorene moiety

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概要

• 論文の詳細を見る

• A new type of tropolone and tropone derivatives condensing fluorene moiety were prepared from 8, 9-dihydro-8-oxo-13bH-tribenzo [a, cd, h] azulene by oxidation with selenium dioxide and by dehydrogenation with DDQ, respectively.

• 山口大学の論文

著者

• Nishida A

  Yamaguchi Univ.

• NISHIDA Akiko

  Department of Applied Chemistry and Chemical Engineering

• FUJISAKI Shizuo

  Department of Applied Chemistry and Chemical Engineering

• NAKAGAWA Takashi

  Idemitsu Peterochemical Co. Ltd.

• Fujisaki S

  Department Of Applied Chemistry And Chemical Engineering

• Fujisaki Shizuo

  Department Industrial Chemistry

• Nishida Akiko

  Department Of Anesthesiology Gunma University School Of Medicine

関連論文

• Rotational isomerisum in fluorene derivatives XXIII syntheses of 1-substituted 1'-methyl-9, 9'-bifluorenyl derivatives and their conformational isomerisum
• Rotational isomerism in fluorene derivatives XXII syntheses of 1-substituted 2'-methyl-9, 9'-bifluorenyl derivatives and structures of their stereoisomers
• Pyridine ring formation by the reaction of conjugated carbodiimides with enamines
• Synthesis of tropolone and tropone derivatives condensing fluorene moiety
• Synthesis and properties of 3-aminoacrylonitriles
• Oxidation using quaternary ammonium polyhalides VII. Oxidation of primary amines and hydrazo compounds by use of benzyltrimethylammonium tribromide
• Halogenation using quaternary ammonium polyhalides XXVIII. effect of substituents on brominating ability of quaternary ammonium tribromides
• Syntheses and reactions of enamines from 9-formylfluorene
• Rotational Isomerism in Fluorene Derivatives XIV Conformational Equilibria of 9-Substituted 9-(2-Cyanomethylphenyl) fluorene Derivatives
• Synthesis of 2-dialkylamino-5-hydroxy-1, 3-dithian-2-ylium perchlorates and their intramolecular rearrargements by use of bases
• The Effects of Various GTP Analogues on Microtubule Assembly
• Halogenation Using Quaternary Ammonium Polyhalides XX II : Selective Bromination of Aromatic Ethers with Benzyltrimeth-ylammouium Tribromide
• Halogenation Using Quaternary Ammonium Polyhalides XX IV : Chlorination of Acetanilides with Benzyltrimethylam-monium Tetrachloroiodate
• Halogenation Using Quaternary Ammonium Polyhalides XX VI : CHLORINATION OF PHENOLS WITH BEN-ZYLTRIMETHYLAMMONIUM TETRACHLOR-OIDATE
• Halpgenation Using Quaternary Ammonium Polyhalides XXI : Chlorination of Some Aromatic Compounds with Tetrabutylammonium Trichloride
• Oxidation Using Quaternary Ammonium Polyhalides IV ; Selective Oxidation of Sulfides to Sulfoxides with Benzyltrimethylammonium Tribromide
• Facile Synthesis of N-Bromoamides Using Benzyltrimethylammonium Tribromide in Alkaline Solution
• Halogenation Using Quaternary Ammonium Polyhalides X IX. Aromatic Chlorination of Arenes with Benzyltrimethylammonium tetrachloroiodate
• An Efficient Method for the Hofmann Degradation of Amides by Use of Benzyltrimethylammonium Tribromide
• Facile Synthesis of Chloro-substituted Aromatic Ethers by Use of Benzyltrimethylammonium Tetrachloroiodate
• Bromination of Alkenes and Related Compounds by Use of Benzyltrimethylammonium Tribromide in Aprotic and Protoc Solvents
• Bromination of Alkenes and Related Compounds by Use of Benzyltrimethylammonium Tribromide in Aprotic and Protic Solvents
• Halogenation Using Quaternary Ammonium Polyhalides X IV. Aromatic Bromination and lodination of Arenes by Use of Benzyltrimethylammonium Polyhalides-Zinc Chloride System
• Bromination of Aromatic Amines by Use of benzyltrimethylammonium chlotomate (1-)
• ANEFFECTIVE CHLORINATING AGENT BENZYLTRIMETHYLAMMONIUM TETRACHLOROIODATE, BENZYLIC CHLORINATION OF ALKYLAROMATIC COMPOUNDS
• Chlorination of some aromatic compounds with tetrabutylammonium trichloride
• Bromination of aromatic amines by use of benzyltrimethylammonium chlorobromate (1-)
• Practical synthesis of N-bomoamides with benzyltrimethylammonium tribromide in the presence of aqueous disodium hydrogenphosphate
• Bromination of phenols by use of benzyltrimethylammonium chlorobromate (1-)
• Use of rocuronium-sugammadex, an alternative to succinylcholine, as a muscle relaxant during electroconvulsive therapy
• Comparison of recovery times from rocuronium-induced muscle relaxation after reversal with three different doses of sugammadex and succinylcholine during electroconvulsive therapy
• exo-Selective peripheral cycloaddition reactions of pyrido(2,1-a)isoindole.
• Halogenation using quaternary ammonium polyhalides. XXIV. Chlorination of acetanilides with benzyltrimethylammonium tetrachloroiodate.
• Halogenation using quaternary ammonium polyhalides. XIX. Aromatic chlorination of arenes with benzyl-trimethylammonium tetrachloroiodate.
• Rotational isomerism in fluorene derivatives. XVI. Conformational equilibria of 9-substituted 9-(2'-bromomethylphenyl)fluorene derivatives.
• Rotational isomerism in fluorene derivatives. III. The conformation of 9-(9-fluorenyl)-9-(2-substituted 9-fluorenyl)fluorene derivatives.
• Oxidation using quaternary ammonium polyhalides. IV. Selective oxidation of sulfides to sulfoxides with benzyltrimethylammonium tribromide.
• Halogenation using quaternary ammonium polyhalides. xi. Bromination of acetanilides by use of tetraalkylammonium polyhalides.
• Oxidation using quaternary ammonium polyhalides. VIII. Oxidation of 1,4-benzenediols with benzyltrimethylammonium tribromide.
• Rotational isomerism in fluorene derivatives. X. The conformational equilibria of 9-substituted 9-(2-methylthiophenyl)- and 9-substituted 9-(2-methylsulfinylphenyl)fluorene derivatives.
• A kinetic study on reduction of 9,9'-bifluorenylidene by sodium isopropoxide.
• Halogenation using quaternary ammonium polyhalides. IX. One-step syntheses of acylureas and carbamates from amides by use of tetrabutylammonium tribromide and DBU.
• A facile one-pot synthesis of sulfides from alkyl halides and alcohols using tetramethylthiourea.
• Selective preparation of fluorene derivatives using the t-butyl function as a positional protective group.
• Rotational isomerism in fluorene derivatives. XV. Conformational equilibria of 2-substituted and 2,7-disubstituted 9-(2'-dimethylaminophenyl)fluorene derivatives and the effects of acid on them.
• A practical synthesis of N-bromo imides by use of sodium bromite.
• Rotational isomerism in fluorene derivatives. IX. Restricted rotation about the C(9)-C(9') bonds in 9(or 9')-substituted 2-methyl-9,9'-bifluorenyls.
• Oxidation using quaternary ammonium polyhalides. III. An effective oxidation of alcohols and ethers by the use of benzyltrimethylammonium tribromide.
• Halogenation using quaternary ammonium polyhalides. XXVII. Chloroiodination of alkenes with benzyltrimethylammonium dichloroiodate.
• Syntheses and Ring Opening Reactions of 2-Alkyl-3,3-dichlorospiro-[cyclopropane-1,9′-fluorene] Derivativatives

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