A NEW AND STEREOSELECTIVE SYNTHETIC ROUTE TO AN AMARYLLIDACEAE ALKALOID, (+/-)-LYCORINE
HOSHINO, O, ISHIZAKI, M, KAMEI, K, TAGUCHI, M, NAGAO, T, IWAOKA, K, SAWAKI, S, UMEZAWA, B, IITAKA, Y
Published in Chemistry letters (01.08.1991)
Published in Chemistry letters (01.08.1991)
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Synthesis of Sceletium and Amaryllidaceae Alkaloids, (±) -Mesembrine and (±) -Dihydromaritidine, (±) -Epidihydromaritidine, (±) -Elwesine, and (±) -Epielwesine
HOSHINO, OSAMU, SAWAKI, SHOHEI, SHIMAMURA, NAOMI, ONODERA, AKIRA, UMEZAWA, BUNSUKE
Published in Chemical & pharmaceutical bulletin (1987)
Published in Chemical & pharmaceutical bulletin (1987)
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A Cyclization of β-Arylethylisocyanates to 3, 4-Dihydroisocarbostyrils
UMEZAWA, BUNSUKE, HOSHINO, OSAMU, SAWAKI, SHOHEI, MORI, KAZUHIKO
Published in Chemical & pharmaceutical bulletin (01.01.1980)
Published in Chemical & pharmaceutical bulletin (01.01.1980)
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Organic Photochemistry. I. 3, 4-Dihydroisoquinolines from Tetrahydroisoquinoline N-Tosylates
UMEZAWA, BUNSUKE, HOSHINO, OSAMU, SAWAKI, SHOHEI
Published in Chemical & pharmaceutical bulletin (01.01.1969)
Published in Chemical & pharmaceutical bulletin (01.01.1969)
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Potential intermediate, (+/-)-di-o-acetyl-3 alpha-phenylselanyl-3,3a-dihydro-B-nor-6,7a-secolycorin-5-one for synthesis of the amaryllidaceae alkaloid lycorine: Formal and total syntheses of (+/-)-lycorine
Hoshino, O, Ishizaki, M, Kamei, K, Taguchi, M, Nagao, T, Iwaoka, K, Sawaki, S, Umezawa, B, Iitaka, Y
Published in J. Chem. Soc., Perkin Trans. 1 (21.03.1996)
Published in J. Chem. Soc., Perkin Trans. 1 (21.03.1996)
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An alternative synthesis of (.+-.)-.alpha.- and (.+-.)-.gamma.-lycoranes
Umezawa, Bunsuke, Hoshino, Osamu, Sawaki, Shohei, Sato, Seiichi, Numao, Naganori
Published in Journal of organic chemistry (01.12.1977)
Published in Journal of organic chemistry (01.12.1977)
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JPH0579063B
HASHIMOTO MITSUMASA, ABE TOORU, SAWAKI SHOHEI, OOTAKE YASUHIRO, HORIO YOSHIHIRO
Year of Publication 01.11.1993
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Year of Publication 01.11.1993
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JP2934273B
INUKAI SHINJI, OOMURA TAKEO, AGATA MITSUHARU, GOTO MASAYOSHI, AKIBA KYOSHI, SAWAKI SHOHEI, HORIO YOSHIHIRO, OOTAKE YASUHIRO
Year of Publication 16.08.1999
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Year of Publication 16.08.1999
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