Distinction of absolute configuration at C-22 of C-23-hydroxyspirostane and C-23-hydroxyspirosolane glycosides |
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| Authors: | Matsushita Sayaka Yanai Yoshihiro Fusyuku Asami Ikeda Tsuyoshi Ono Masateru Nohara Toshihiro |
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| Institution: | Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan. |
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| Abstract: | It has been revealed that the absolute configurations at C-22 of 23-hydroxyspirostane and 23-hydroxyspirosolane could be unambiguouly judged by the (1)H- and (13)C-NMR spectroscopies. |
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