10,11-methylenedioxy camptothecins
Citation
Wani, M., Nicholas, A., & Wall, M. (1992). IPC No. U.S.10,11-methylenedioxy camptothecins (Patent No. 5122606.)
Abstract
The invention relates to a method of producing 20(S)-camptothecin, 20(R)-camptothecin and analogs thereof. The method involves the resolution of an mixture of enantiomers of an intermediate lactone.