(20S) esters of camptothecin analogs are provided. The compounds are (20S) esters of an oxyalkanoic acid and camptothecin, which is optionally substituted at the 7, 9, 10, 11, and 12 positions of the camptothecin ring. The compounds are useful for treating cancer.
紫杉
醇类似物的(20S)
酯类化合物已提供。这些化合物是
紫杉醇和氧烷
羧酸的(20S)
酯类,
紫杉醇在7、9、10、11和12位的环上可选择性地被取代。这些化合物可用于治疗癌症。