Rhodium-hydroxyl bisphospholane catalyzed highly enantioselective hydrogenation of dehydroamino acids and esters
作者:Wenge Li、Zhaoguo Zhang、Dengming Xiao、Xumu Zhang
DOI:10.1016/s0040-4039(99)01254-x
日期:1999.9
A chiral hydroxyl bisphospholane, 1,2-bis[(2S,3S,4S,5S)-3,4-dihydroxyl-2,5-dimethylphospholanyl]benzene (4), was synthesized from readily available d-mannitol. Its Rh(I) complex catalyzes asymmetric hydrogenation of dehydroamino acids and their ester derivatives with excellent enantioselectivities (98 to >99% ee).
由容易获得的d-甘露糖醇合成手性羟基双膦,1,2-双[(2 S,3 S,4 S,5 S)-3,4-二羟基-2,5-二甲基磷杂环戊基]苯(4) 。它的Rh(I)配合物催化脱氢氨基酸及其酯衍生物的不对称氢化,具有出色的对映选择性(98至> 99%ee)。