Papers - Obata, Rika
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Chemical modification and structure-activity relationships of pyripyropenes; potent, bioavailable inhibitor of acyl-CoA
Obata Rika, Sunazuka Toshiaki, Tomoda Hiroshi, Harigaya Yoshihiro, Omura Satoshi
Bioorganic and Medicinal Chemistry Letters 5 ( 22 ) 2683 - 2688 1995.11
Research paper (scientific journal), Joint Work, Accepted, ISSN 0960-894X
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The first total synthesis of (+)-pyripyropene A; potent, bioavailable inhibitor of acyl-CoA: cholesterol acyltransferase.
Toshiaki Sunazuka, Tohru Nagamitsu, Haruo Tanaka, Toshihiro Harigaya, Rika Obata, Hiroshi Tomoda, Satoshi Omura
Tennen Yuki Kagobutsu Toronkai Koen Yoshishu (Nippon Kagakkai) 37th 1 - 6 1995.09
Research paper (conference, symposium, etc.), Joint Work, Accepted
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Structure-activity relationships of lactacystin, the first non-protein neurotrophic factor.
Nagamitsu T., Sunazuka T., Stump H., Obata R., Arima S., Matsuzaki K., Tanaka H., Omura S.
Journal of Antibiotics 48 ( 7 ) 747 - 748 1995.07
Research paper (scientific journal), Joint Work, Accepted, ISSN 0021-8820
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Structure-activity relationships of pyripyropenes fungal Acyl-CoA
Obata R., Sunazuka T., Zhuorong L., Tomoda H., Omura S.
Journal of Antibiotics 48 ( 7 ) 749 - 750 1995.07
Research paper (scientific journal), Joint Work, Accepted, ISSN 0021-8820
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Relative and absolute stereochemistry of pyripyropene A, A potent, bioavailable inhibitor of Acyl-CoA
Tomoda Hiroshi, Nishida Hiroyuki, Kim Young Kook, Obata Rika, Sunazuka Toshiaki, Omura Satoshi, Bordner Jon, Guadliana Mark, Dormer Peter G., Smith Amos B.
Journal of the American Chemical Society 116 ( 26 ) 12097 - 12098 1994.12
Research paper (scientific journal), Joint Work, Accepted, ISSN 0002-7863
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Relative and absolute stereochemistry of the melanogenesis inhibitors OH-3984 K1 and K2. Partial synthesis from albocycline
Sunazuka Toshiaki, Obata Rika, Zhuorong Li, Takamatsu Satoshi, Komiyama Kanki, Omura Satoshi, Smith Amos B.
Tetrahedron Letters 35 ( 17 ) 2635 - 2636 1994.04
Research paper (scientific journal), Joint Work, Accepted, ISSN 0040-4039
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Pyripyropenes, novel inhibitors of acyl-CoA:cholesterol acyltransferase produced by Aspergillus fumigatus. II. Structure elucidation of pyripyropenes A, B, C and D.
Kim Y. K., Tomoda H., Nishida H., Sunazuka T., Obata R., Omura S.
Journal of Antibiotics 47 ( 2 ) 154 - 162 1994.02
Research paper (scientific journal), Accepted, ISSN 0021-8820
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Electrochemical oxidation of anti-tumor agent, etoposide.
Rika Obata, Takeshi Ohnuma
Chemical & Pharmaceutical Bulletin (Chemical Society of Japan) 41 ( 10 ) 1846 - 1847 1993.10
Research paper (scientific journal), Joint Work, Accepted, ISSN 0009-2363
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Preparation and antitumor activity of 2"-O-, 3"-O- and 2",3"-di-O-substituted derivatives of etoposide.
Takeshi Ohnuma, Rika Obata, Yuji Nishiyama, Tetsuro Yamasaki, Hideo Kamei, Takayuki Naito, Toshikazu Oki
Chemical & Pharmaceutical Bulletin (Chemical Society of Japan) 40 ( 7 ) 1783 - 1788 1992.07
Research paper (scientific journal), Joint Work, Accepted, ISSN 0009-2363