Asymmetric Hydrogenation of Itaconic Acid and Enol Acetate Derivatives with the Rh-TangPhos Catalyst
作者:Wenjun Tang、Duan Liu、Xumu Zhang
DOI:10.1021/ol0272592
日期:2003.1.1
[reaction: see text] The Rh-TangPhos catalyst has been used for asymmetrichydrogenation of itaconic acid and enol acetate derivatives. A variety of chiral 2-substituted succinic acids and chiral acetates have been obtained in excellent ee values (up to 99% ee).