Citation: Zai Xin CHEN, Wei Yong MA, Chun Nian ZHANG. Stereoselective Synthesis and Anticancer Activities of New Podophyllotoxin Derivatives:4-β-Cyano-4-Deoxy-4'-Demethylepipodophyllotoxin and 4-β-Carboxyl-4-Deoxy-4'-Demethylepipodophyllotoxin[J]. Chinese Chemical Letters, ;2000, 11(6): 505-508.
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4-β-Cyano-4-deoxy-4'-demethylepipodophyllotoxin 4 was synthesized from 4'-de-methylepipodophyllotoxin and Me3SiCN in the presence of BF3·Et2O. 4-β-Carboxyl-4-deoxy-4'-demethylepipodophyllotoxin 5 was obtained by hydrolyzing 4 in HOAc. Both of them show very high anticancer activities against L1210 and KB cell lines in vitro.
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Keywords:
- Podophyllotoxin,
- derivative,
- anticancer activities
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