(+)-Preussin (1) and its 5-epimer were synthesized from the divinylcarbinol (3) with Sharpless asymmetric epoxidation of 3 and the oxidative cyclization of 9 with PDC as the key steps.
基金Project supported by the National Natural Science Foundation of China
文摘(+)-Preussin (1) and its 5-epimer were synthesized from the divinylcarbinol (3) with Sharpless asymmetric epoxidation of 3 and the oxidative cyclization of 9 with PDC as the key steps.