Synthesis and biological evaluation of n
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Bing Zhou; Zehong Miao; Gang Deng; Jian Ding; Yaxi Yang; Huijin Feng; Yuanchao L
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Article
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2010
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Elsevier Science
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English
⚖ 672 KB
Three types of novel triptolide analogues with 9,11-olefin (3-5), five-membered unsaturated lactam ring (6-7) or A/B cis ring junction (8-14) were synthesized. Although with 9,11-olefin instead of 9,11-β-epoxide, compound 4a was much more active than the parent natural triptolide (1) with the lowest