Semisynthesis of D-Ring Modified Taxoids: Novel Thia Derivatives of Docetaxel
摘要:
Two novel 5(20)-thia analogues of docetaxel have been synthesized from 10-deacetylbaccatin III or taxine B and isotaxine B. The key step of these syntheses is the concomitant thietane ring formation and acetylation of the tertiary alcohol at C-4. Both compounds are less cytotoxic than docetaxel but have divergent activity on microtubule disassembly.
DOI:
10.1021/jo015539+
作为产物:
描述:
1,2-O-benzylidene-9-oxo-10-acetyltaxicine I 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以94%的产率得到1,2-O-benzylidene-9-oxo-10-acetyl-4α(20)-epoxytaxicine I
参考文献:
名称:
Semisynthesis of D-Ring Modified Taxoids: Novel Thia Derivatives of Docetaxel
摘要:
Two novel 5(20)-thia analogues of docetaxel have been synthesized from 10-deacetylbaccatin III or taxine B and isotaxine B. The key step of these syntheses is the concomitant thietane ring formation and acetylation of the tertiary alcohol at C-4. Both compounds are less cytotoxic than docetaxel but have divergent activity on microtubule disassembly.