A highly effective phosphinite ligand derived from D-mannitol for Rh-catalyzed asymmetric hydrogenation
作者:Yixin Chen、Xingshu Li、Siu-kuen Tong、Michael C.K. Choi、Albert S.C. Chan
DOI:10.1016/s0040-4039(98)02457-5
日期:1999.1
chiral phosphinite 1,2,5,6-di-isopropylidene-3,4-bis(diphenylphosphino)-D-mannitol was prepared and its rhodium complex was found to be an effective catalyst for the asymmetric hydrogenation of amidoacrylic acid and its derivatives with product ee's ranging from 90% to 97%.
制备了一种新型的手性次膦酸酯1,2,5,6-二异亚丙基-3,4-双(二苯基膦基)-D-甘露醇,发现其铑配合物是酰胺基丙烯酸及其不对称加氢的有效催化剂。产品ee介于90%至97%之间的衍生产品。