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Ring Opening of Cyclopropanemonocarboxylates and 1, 1-Cyclopropanedicarboxylates Using Samarium(II) Diiodide (SmI2)-HMPA-THF System
OHTA, Shunsaku, KAWASAKI, Ikuo, KUSUMOTO, Miki, OHHARA, Takashi, YAMASHITA, Masayuki, NAKATA, Sachiko, KAWABE, Tokiko, OKUYAMA, Kazunori, SAKAI, Kiyomi
Published in Chemical & pharmaceutical bulletin (01.12.1995)
Published in Chemical & pharmaceutical bulletin (01.12.1995)
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Journal Article
One-Step Synthesis of 1,2,3,4-Tetrahydrobenzo[g]quinazoline-5,10-dione Derivatives from Vitamin K_3
太田 俊作, 日向 靖成, 山下 正行, 川崎 郁勇, 神田 陽子, 堀江 忍
Published in Chemical & pharmaceutical bulletin (15.09.1994)
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Published in Chemical & pharmaceutical bulletin (15.09.1994)
Journal Article
Synthesis and Application of Imidazole Derivatives. Introduction of Carbogenic Substituents into the 5-Position of 1-Methyl-1H-imidazole
OHTA, Shunsaku, Nasako, Rieko, KAWASAKI, Ikuo, YAMASHITA, Masayuki, KOBAYASHI, Kazuhiro, OGAWA, Kazuo, YAMAMOTO, Tetsuya, KATSUMA, Hideo
Published in Chemical & pharmaceutical bulletin (25.10.1992)
Published in Chemical & pharmaceutical bulletin (25.10.1992)
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Journal Article
Introduction of Carbogenic Substituent into the 4-Position of 1-Methyl-1H-imidazole
OHTA, Shunsaku, YAMAMOTO, Tetsuya, KAWASAKI, Ikuo, NAGASHIMA, Yuuichi, YOSHIKAWA, Tomoko, YAMASHITA, Masayuki
Published in Chem.Pharm.Bull (01.04.1994)
Published in Chem.Pharm.Bull (01.04.1994)
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Journal Article
Synthesis and Application of Triazole Derivatives. Synthesis of 3- and 5-Acyl-1,2,4-triazoles via Lithiation of 1-Alkyl-1H-1,2,4-triazoles
OHTA, Shunsaku, KAWASAKI, Ikuo, FUKUNO, Akihisa, YAMASHITA, Masayuki, TADA, Toshiji, KAWABATA, Tetsuo
Published in Chemical & pharmaceutical bulletin (1993)
Published in Chemical & pharmaceutical bulletin (1993)
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Journal Article
Synthetic Approaches to 3-Amino-1, 4-naphthoquinone-2-carboxylic Acid Derivatives and Photochemical Synthesis of Novel 1, 4, 5, 10-Tetrahydro-5, 10-dioxo-2H-naphth[2, 3-d][1, 3]oxazine Derivatives
OHTA, Shunsaku, KAWASAKI, Ikuo, YAMASHITA, Masayuki, OBANA, Yoshiki, SHOJI, Takaaki, HINATA, Yasunari, YOSHIKAWA, Hisayo
Published in Chemical & pharmaceutical bulletin (1994)
Published in Chemical & pharmaceutical bulletin (1994)
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Journal Article
Synthesis and Application of Triazole Derivatives. Syntehsis of 3- and 5-Acyl-1, 2, 4-triazoles via Lithiation of 1-Alkyl-1H-1, 2, 4-triazoles
OHTA, Shunsaku, KAWABATA, Tetsuo, KAWASAKI, Ikuo, FUKUNO, Akihisa, YAMASHITA, Masayuki, TADA, Toshiji
Published in Chem. Pharm. Bull (15.07.1993)
Published in Chem. Pharm. Bull (15.07.1993)
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Journal Article
Synthetic Study on Gymnomitrol and Related Compounds. I. Preparation and Cyclopropane Ring Opening of 1,2,6-Trimethyltetracyclo(5.3.1.02,6.08,11)undecan-9-one
IMANISHI, Takeshi, HIROKAWA, Yoshimi, YAMASHITA, Masayuki, TNAKAKA, Tetsuaki, MIYASHITA, Kazuyuki, IWATA, Chuzo
Published in Chemical & pharmaceutical bulletin (1993)
Published in Chemical & pharmaceutical bulletin (1993)
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Journal Article
Synthetic Study on Gymnomitrol and Related Compounds. I.Preparation and Cyclopropane Ring Opening of 1, 2, 6-Trimethyltetracyclo[5.3.1.02, 6.0<8, 11>]undecan-9-one
TNAKAKA, Tetsuaki, YAMASHITA, Masayuki, IMANISHI, Takeshi, HIROKAWA, Yoshimi, MIYASHITA, Kazuyuki, IWATA, Chuzo
Published in Chemical & pharmaceutical bulletin (15.01.1993)
Published in Chemical & pharmaceutical bulletin (15.01.1993)
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Journal Article
Ring Opening of Cyclopropanemonocarboxylates and 1,1-Cyclopropanedicarboxylates Using Samarium(II) Diiodide (SmI2)-HMP-THF System
YAMASHITA, Masayuki, OKUYAMA, Kazunori, OHHARA, Takashi, KAWASAKI, Ikuo, SAKAI, Kiyomi, NAKATA, Sachiko, KAWABE, Tokiko, KUSUMOTO, Miki, OHTA, Shunsaku
Published in Chemical & pharmaceutical bulletin (1995)
Published in Chemical & pharmaceutical bulletin (1995)
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Journal Article
7, 7-Dimethyltricyclo[3.3.0.02, 8]octan-3-ones as Synthetic Intermediates. VI. An Improved Formal Synthesis of (±)-Descarboxyquadrone via Highly Regioselective Cyclopropane Ring Opening of Tricyclo[3.3.0.02, 8]octan-3-one
YAMASHITA, Masayuki, MATSUI, Munetaka, TANAKA, Tetsuaki, IMANISHI, Takeshi, MIYASHITA, Kazuyuki, IWATA, Chuzo
Published in Chem. Pharm. Bull (1992)
Published in Chem. Pharm. Bull (1992)
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Journal Article
7, 7-Dimethyltricyclo[3.3.0.02, 8]octan-r-ones as Synthetic Intermediates. V. : An Improved Synthesis of (±)-Pentalenene
YAMASHITA, Masayuki, TANAKA, Tetsuaki, IMANISHI, Takeshi, HIROKAWA, Yoshimi, IWATA, Chuzo
Published in Chemical & pharmaceutical bulletin (25.05.1990)
Published in Chemical & pharmaceutical bulletin (25.05.1990)
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Journal Article