An efficient asymmetric hydrogenation of cyclic tetrasubstituted-olefinic dehydroamino acidderivatives has been achieved with a Rh-ArcPhos catalyst, affording a series of α-acylamino-β-alkyl tetrahydropyranones with two contiguous chiral centers in up to 96% ee and 1000 TON.
使用 Rh-ArcPhos 催化剂实现了环状四取代烯烃脱氢氨基酸衍生物的有效不对称氢化,得到了一系列具有两个连续手性中心的 α-酰基氨基-β-烷基四氢吡喃酮,其 ee 和 1000 TON。
Sun, De-Qun; Sun, Li; Luo, Min, Asian Journal of Chemistry, 2012, vol. 24, # 4, p. 1731 - 1734