摘要
A very convenient construction procedure of the a, b-unsaturated lactone has been carried out in 98% yield. SmI2 (10%) was used as catalyst for rearrangement of an enol ester epoxide of eudesmanolide sesquiterpene. The possible mechanism was also discussed.
A very convenient construction procedure of the a, b-unsaturated lactone has been carried out in 98% yield. SmI2 (10%) was used as catalyst for rearrangement of an enol ester epoxide of eudesmanolide sesquiterpene. The possible mechanism was also discussed.
基金
We are grateful for financial support from NNSFC (No. 29972019 and 29925205)
FUKTME of China the Young Teachers Found of Ministry of Education and the Found of Ministry of Education (No. 99209).