Total synthesis of 20(S) and 20(R)-camptothecin and compthothecin derivatives
The invention relates to a method of producing20(S)-comptothecin, 20(R)-camptothecin and analogs thereof. Themethod involves the resolution of an mixture of enantiomers of anintermediate lactone.
Citation
Wani, M., Nicholas, A., & Wall, M. (1991). IPC No. U.S. Total synthesis of 20(S) and 20(R)-camptothecin and compthothecin derivatives. (Patent No. 5053512).