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Insignin A, A Novel C21-Steroidal Aglycone from Biondia insignis |
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| Authors: | Yue Mao SHEN Yuan Hu ZHANG Yuan Ying WEN Ting Yun KUANG |
| Abstract: | Insignin A, a new C21-steroidal aglycone having the rare 15,16-seco pregnane skeleton was isolated from the acidic hydrolysis part of the 95% EtOH extract of Biondia insignis. It's structure was identified to be 15R,16-epoxy-3?,14?,16?-trihydroxy-15,16-secopregn-5-ene-20-one based on the spectral data. |
| Keywords: | Asclepiadaceae Biondia insignis C21-steroidal aglycone insignin A |
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