K. Imafuku

发表

First Synthesis of 2-Tropolonylquinoline-4-carboxylic Acid Derivatives via Pfitzinger Reaction in Water.

Yang Li, Xiaofei Zhang, W. Gao, 2010 .

Convenient synthesis of amino-substituted pyranopyranones

K. Imafuku, Ming-Zhu Piao, 1997 .

Synthesis of heterocycle-substituted pyropheophorbide derivatives

Y. Shim, K. Imafuku, Jin-jun Wang, 2003 .

Synthesis of 32‐phenyl‐substituted methyl E/Z‐pyropheophorbide‐a's from methyl E/Z‐pyropehophorbide‐a 131‐ketoximes

K. Imafuku, Jin-jun Wang, G. Jiang, 2005 .

Synthesis of chlorophyll‐a skeleton homologs using grignard reaction with methyl pyropheophorbide‐a

Y. Shim, K. Imafuku, Jin-jun Wang, 2004 .

Synthesis and reactions of 2-arylhydrazinotropones. II: Synthesis of 5-aryltropolones and B-ring-open colchicine analogues via benzidine type rearrangement of 2-(2-arylhydrazino)tropones

M. Ando, Bingzhu Yin, Hiroshi M Yamamoto, 1989 .

Long-range Substituent Effects in Styryl-substituted Aromatic Compounds

K. Imafuku, 1980 .

Substituent Effects on the Dissociation Constants of 1-Aryl-5-hydroxy-2-hydroxymethyl-4-pyridones

H. Matsumura, K. Imafuku, Kumio Takahashi, 1983 .

Substituent Effects on 6-Substituted 3-Hydroxy-1-methyl-4-pyridones

H. Matsumura, K. Imafuku, Kumio Takahashi, 1979 .

Substituent Effects on Tautomerism of 4-Pyridinethiones

H. Matsumura, K. Imafuku, Hiromichi Besso, 1977 .

Substituent effects on dissociation constants of trans-3-hydroxy-6-styryl-4-pyrones.

H. Matsumura, K. Imafuku, Hiromichi Besso, 1977 .

Tautomerism of 4-Pyridones

H. Matsumura, K. Imafuku, Hiromichi Besso, 1977 .

Substituent Effect on the Dissociation Constants of 5-(Substituted Styryl)-2-aminotropones

Toshio Kobayashi, H. Matsumura, K. Imafuku, 1976 .

Dissociation Constants of 2-Aminotroponcs

H. Matsumura, K. Imafuku, Y. Takata, 1974 .

Substituent Effects on Dissociation Constants of 4-and 6-Styryl-2-aminotropones

H. Matsumura, K. Imafuku, 1973 .

Substituent effect on dissociation constants of 5-(substituted styryl)tropolones

H. Matsumura, K. Imafuku, S. Nakama, 1971 .

Reactions of 1‐(3‐aryl‐3‐oxopropenyl)azulenes and 1‐cinnamoylazulenes with malononitrile: Synthesis of 1‐(2‐aryl‐4‐pyridyl)azulenes and 1‐(4‐aryl‐2‐pyridyl)azulenes

K. Imafuku, Daolin Wang, 2000 .

First Synthesis of 2-Tropolonylquinoline-4-carboxylic Acid Derivatives via Pfitzinger Reaction in Water.

Yang Li, Xiaofei Zhang, W. Gao, 2010 .

Oxidative Cyclization of 3-Cinnamoyltropolones with I2/DMSO/H2SO4 System.

Yang Li, Hong Zhang, Mingqin Chang, 2010 .

Synthesis and reactions of halo-, nitro-, and arylazo-substituted 3-cinnamoyltropolones. Formation of styryl-substituted heterocycle-fused troponoid compounds

Bingzhu Yin, W. Gao, K. Imafuku, 1989 .

Synthesis of 5-(Substituted Styryl)-2-aminotropones

Toshio Kobayashi, H. Matsumura, K. Imafuku, 1985 .

Reactions of 3-acetyltropolone and its methyl ethers with hydroxylamine. Formation of 8H-cyclohept[d]isoxazol-8-one and 8H-cyclohept[c]isoxazol-8-one

H. Matsumura, K. Imafuku, Zhong-tian Jin, 1982 .

Syntheses and reactions of halo‐ and arylazo‐substituted 3‐(3‐(2‐naphthyl)acryloyl)tropolones: Formation of (naphthalen‐ 2‐yl)vinyl)‐substituted heterocycle‐fused troponoid compounds

Yang Li, W. Gao, Mingchun Sun, 2009 .

Convenient Synthesis of Amino‐Substituted Pyranopyranones

K. Imafuku, Ming-Zhu Piao, 1997 .

Synthesis and reactions of halo-, nitro-, and arylazo-substituted 3-acetyltropolones. Formation of heterocycle-fused troponoid compounds

Bingzhu Yin, K. Imafuku, Zhi-hong Li, 1987 .

Reactions of 3‐acetyl‐2‐aminotropones and 2‐acetyl‐7‐aminotropones with hydrazine

K. Imafuku, A. Shimazu, 1984 .

A Convenient Synthesis of 3-Aminotropolone and Its Reactions with Orthoesters. Formation of 8H-Cyclohept[d]oxazol-8-ones

K. Imafuku, Zhong-tian Jin, M. Furuya, 1984 .

Reactions of 3-Acetyltropolone and Its Methyl Ethers with 1,2-Ethanediamines

H. Matsumura, K. Imafuku, Yasunori Sudoh, 1983 .

Reactions of 3‐acetyltropolone and its methyl ethers with aminoguanidine

K. Imafuku, Zhong-tian Jin, 1982 .

REACTIONS OF 3- AND 7-ACETYL-2-CHLOROTROPONES WITH HYDRAZINES. FORMATION OF 1(2H)-PHTHALAZINONES

H. Matsumura, K. Imafuku, Zhong-tian Jin, 1981 .

Reactions of 3-Acetyltropolone and Its Methyl Ethers with Semicarbazide and Thiosemicarbazide

H. Matsumura, K. Imafuku, Zhong-tian Jin, 1981 .

Synthesis of 1,8‐ and 2,8‐dihydrocycloheptapyrazol‐8‐one derivatives by the reactions of 3‐acetyltropolone and its methyl ethers with phenylhydrazine

H. Matsumura, K. Imafuku, A. Yamane, 1980 .

Reactions of 3-acetyltropolone and its methyl ethers with hydrazine.

H. Matsumura, K. Imafuku, A. Yamane, 1979 .

Reactions of 2-Aryl-4-methoxy-9-oxocyclohepta[b]pyrylium Perchlorates with Hydroxylamine and Hydrazines

K. Imafuku, Daolin Wang, 1998 .

Reactions of 3-isopropenyltropolones with bromine and N-bromosuccinimide: Formation of 8H-cyclohepta[b]furan-8-one derivatives

Bingzhu Yin, K. Imafuku, R. Jin, 1990 .

Synthesis and reactions of halo-, nitro-, and arylazo-substituted 3-aminotropolones. Formation of 8H-cyclohept[d]oxazol-8-one derivatives

Bingzhu Yin, K. Imafuku, Zhong-tian Jin, 1988 .

Oxidative Cyclization of 3-(3-Heterocycle-substituted 2-Propenoyl)tropolones

K. Imafuku, M. Honda, 1985 .

Cyclodehydrogenation of 3-Cinnamoyltropolones with 2,3-Dichloro-5,6-dicyanobenzoquinone

K. Imafuku, Kazuko Yamaguchi, 1981 .

Synthesis and Cyclization of 3-Cinnamoyltropolones

H. Matsumura, K. Imafuku, A. Yamane, 1980 .

Reactions of 2,3-Dihydro-1H-cyclohepta(b)pyrazines with Acyl Halides.

Dong‐Hao Li, K. Imafuku, Zhi-hong Li, 1994 .

Reactions of 3-Isopropenyl- and 3-Acetyltropolone with Quarternary Ammonium Tribromides

K. Imafuku, Y. Matsunaga, 1992 .

Hantzsch reaction of 3-(2-bromoacetyl)tropolone. Synthesis of 3-(4-thiazolyl)tropolones

Bingzhu Yin, K. Imafuku, Zhong-tian Jin, 1989 .

Synthesis and Reactions of 2-Arylhydrazinotropones. I. Preparation of 2-(2-Arylhydrazino)tropones and the 4-Substituted Derivatives

Bingzhu Yin, K. Imafuku, T. Nozoe, 1988 .

Reactions of 3-(2-Methyl-1,3-dioxolan-2-yl)tropolone Methyl Ethers with Hydrazines, Thiourea, Guanidine, and Amidines

Bingzhu Yin, K. Imafuku, Y. Kikuchi, 1987 .

A Convenient Synthesis of 5-Aryltropolones via Novel Benzidine Type Rearrangement of 2-(2-Arylhydrazino)tropones

K. Imafuku, K. Takase, T. Nozoe, 1986 .

Reactions of 2-Tosyloxy- and 2-Chlorotropones with Hydrazine, Methylhydrazine, and Phenylhydrazine

H. Matsumura, K. Imafuku, Katsuya Kamachi, 1979 .

Synthesis of 1-(4-thiazolyl)azulenes: Reactions of bromoacetyl-substituted azulenes with thioamides, thioureas, and thiosemicarbazones

K. Imafuku, Daolin Wang, Hiromi Takao, 2004 .

Bromination of Azulene Derivatives with Sodium Monobromoisocyanurate

K. Imafuku, S. Kikuchi, Toshiaki Sumida, 2004 .

Oxidative cyclization of 3‐cinnamoyltropolones with I2/DMSO/H2SO4 system

Yang Li, Hong Zhang, Mingqin Chang, 2009 .

A Facile Synthesis of 2‐Substituted 2,3‐Dihydro‐4(1H)‐Azuleno[2,1‐d]Pyrimidinones

K. Imafuku, Wei Li, Jiao Xu, 2016 .

A Novel Polycyclic System: Synthesis of 1,3,5-Tri(1-Azulenyl)Benzenes by Cyclotrimerization of 1-Acetylazulenes

S. Ito, K. Imafuku, K. Fujimori, 2000 .

Synthesis of isochroman‐fused pyrazolone and pyrimidine derivatives

Bingzhu Yin, K. Imafuku, G. Jiang, 1990 .

Substituent effect on dissociation constants of 4-(substituted styryl)tropolones

H. Matsumura, K. Imafuku, S. Nakama, 1970 .

Simple HMO Calculation of the Substituent Effects in Tropolone Derivatives

H. Matsumura, K. Imafuku, 1969 .

Dehydrogenation of 2-(1-Cyclohexenyl)cyclohexanone with Palladium Catalyst

H. Matsumura, K. Imafuku, K. Itoh, 1974 .

Rearrangements in the Palladium-Catalyzed Dehydrogenation of Cyclohexylphenols to Phenylphenols

H. Matsumura, K. Imafuku, Izumi Takano, 1971 .

DEHYDROGENATION OF 2-(1-CYCLOHEXENYL)-CYCLOHEXANONE WITH PALLADIUM CATALYST

H. Matsumura, K. Imafuku, K. Itoh, 1974 .

The Tautomerism of 2-Amino-5-nitrosotropone

H. Matsumura, K. Imafuku, Y. Takata, 1974 .

Structure of 5-Hydroxy-2-hydroxymethyl-4-pyridones

H. Matsumura, K. Imafuku, M. Ishizaka, 1979 .

DIAZO-COUPLING REACTION OF 5-METHYLTROPOLONE. THE FORMATION OF 3,7-DIARYLAZOTROPOLONES

H. Matsumura, K. Imafuku, Tsutomu Ide, 1977 .

Synthesis and Halochromism of 4- and 6-Styryl-2-aminotropones

H. Matsumura, K. Imafuku, 1973 .

Synthesis of 3-[[(2-benzimidazolyl)thio]methyl]-1-methyl-1,8-dihydrocycloheptapyrazol-8-ones

K. Imafuku, H. Kugishima, Takahisa Horie, 1994 .

Reactions of 3‐isopropyl‐, 3‐isopropenyl‐, and 3‐acetyltropolone methyl ethers with guanidines. Synthesis of 9H‐cyclohepta[d]pyrimidin‐9‐ones and cycloheptimidazoles

K. Imafuku, R. Nimura, N. Ishida, 1992 .

Reactions of 3‐Isopropyl‐, 3‐Isopropenyl‐, and 3‐Acetyltropolone Methyl Ethers with Guanidines. Synthesis of 9H‐Cyclohepta(d)pyrimidin‐ 9‐ones and Cycloheptimidazoles.

K. Imafuku, R. Nimura, N. Ishida, 1992 .

A Simple and Convenient Synthesis of 5-Alkyl-Substituted 3-Isopropenyl- and 3-Acetyltropolones

K. Imafuku, Kiyomi Arai, 1989 .

Synthesis of 1- and 2-(2-quinolyl)azulenes by the friedländer reaction of acetylazulenes†

Takahiro Mori, K. Imafuku, Ming-Zhu Piao, 1996 .

Friedländer reaction of 3‐acetyltropolones: Synthesis of naphthyridinyl‐ and allied heterocyclic‐substituted tropolones

K. Imafuku, Ming-Zhu Piao, 1996 .

A Simple and Convenient Synthesis of 5-Alkyl-Substituted 3-Isopropenyl-and 3-Acetyltropolones.

K. Imafuku, Kiyomi Arai, 1989 .

Synthesis and oxidative cyclization of 3-(1-cycloalkenyl)tropolones.

K. Imafuku, Kyoko Inoue, 1982 .

New Synthetic Approach to 4-N-Arylaminoazuleno[2,1-d]pyrimides

Zheng Gu, K. Imafuku, Jiao Xu, 2009 .

Cyclodehydrogenation of 2′-Hydroxychalcones (I) with DDQ: A Simple Route for Flavones (III) and Aurones (IV).

K. Imafuku, J. Mcomie, M. Honda, 1987 .

Synthesis and biological activities of 1-[2-(dimethylamino)ethyl]- and 1-[3-(dimethylamino)propyl]-substituted 3-methyl-1,8-dihydrocycloheptapyrazol-8-ones and related compounds.

M. Uono, K. Imafuku, K. Ogawa, 1992, Chemical & pharmaceutical bulletin.

Microwave-Assisted Synthesis and Antifungal Activity of 2,5-Disubstituted-1,3,4-oxadiazoles Containing Azulene Moiety

K. Imafuku, Jiao Xu, Daolin Wang, 2009 .

Lewis Acid-Catalyzed Cyclotrimerization of Methyl 3-Acetylazulene-1-carboxylate in Alcohols

K. Imafuku, Satoko Yamashiro, 2003 .

Synthesis and redox behavior of 1,3,5- and 1,2,4-tri(6-azulenyl)benzene derivatives

N. Harada, T. Okujima, K. Imafuku, 2001 .

Diels–Alder approach to the synthesis of azulene-substituted benzene derivatives. Synthesis and redox behavior of 1,2-di(6-azulenyl)tetraphenylbenzenes

K. Imafuku, Masataka Watanabe, N. Morita, 2000 .

Synthesis and redox behavior of azulene-substituted benzene derivatives and (eta(5)-cyclopentadienyl)[tetra- and di(6-azulenyl)cyclobutadiene]cobalt complexes.

N. Harada, T. Okujima, K. Imafuku, 2001, The Journal of organic chemistry.

Lewis Acid-Catalyzed Cyclotrimerization of Methyl 3-Acetylazulene-1-carboxylate in Alcohols.

K. Imafuku, Satoko Yamashiro, 2003 .

Diels—Alder Approach to the Synthesis of Azulene‐Substituted Benzene Derivatives. Synthesis and Redox Behavior of 1,2‐Di(6‐azulenyl)tetraphenylbenzenes.

K. Imafuku, Masataka Watanabe, N. Morita, 2001 .

Synthesis of poly(6-azulenylethynyl)benzene derivatives as a multielectron redox system with liquid crystalline behavior.

T. Kitamura, K. Ohta, K. Imafuku, 2003, Journal of the American Chemical Society.

Synthesis of 2,2a,4,5‐tetraazabenz[cd] azulene derivatives

H. Matsumura, K. Imafuku, Miyuki Sumio, 1980 .