A Facile Construction of Eudesmanolide Denebutenolide via SmI_2-catalyzed Rearrangement of an Enol E

• 出 处: Chinese Chemical Letters
• 发表日期: 2002年02期
• 关键词: catalyzed lactone epoxide unsaturated moiety rearrangement olefin catalysis benz

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.