the 1,4-dicarbanions derived from bis-1,4-(diphenylphosphinyl)butane gave (±)-trans-bis-1,2-(diphenylphosphinyl)cyclobutane. Asymmetric hydrogenation of dehydroamino acids using rhodium complex of the optically active bisphosphine obtained by reduction of the resolved bisphosphine oxide afforded hydrogenated products in high optical yields.
源自双-1,4-(
二苯基膦基)
丁烷的1,4-二碳负离子的氧化偶联得到(±)-反式-双-1,2-(
二苯基膦基)环
丁烷。使用通过还原分解的
双膦氧化物获得的旋光
双膦的
铑络合物对脱氢
氨基酸进行不对称氢化,以高光学产率提供氢化产物。