Treatment of [(1,5-COD)2Rh]O3SCF3 with optically active P2 ligands of the type (1S,2S)-C5H8(PR2)2 [PR2=P(OMe)2 (3), P(OPh)2 (4), P[OCH(Me)Et-(S)]2 (5), P[2-OC10H6C10H6O-2′-(R)] (6), P(NC4H8O-cyclo)2 (7)] gave cationic rhodium complexes bearing these new ligands, [(1,5-COD)Rh(PR2)2C5H8-(1S,2S)}]O3SCF3 (Rh-3–7). Use of these as catalysts in the homogeneous enantioselective hydrogenation of α-acetamidocinnamic
                                    的治疗[(1,5-COD)2的Rh] O 3 SCF 3与光学活性的P 2个
配体的类型(1小号,2小号)-C 5 H ^ 8(PR 2)2 [PR 2 = P(OME )2(3),P(OPh)2(4),P [OCH(Me)Et-(S)] 2(5),P [2-OC 10 H 6 C 10 H 6 O-2'-(R)](6),P(NC 4 H8 O-环)2(7)]得到带有这些新
配体[[1,5-COD)Rh (PR 2)2 C 5 H 8-(1 S,2 S)}] O 3的阳离子
铑配合物SCF 3(Rh-3-7)。在α-对乙酰
氨基二
甲酸均相对映选择性氢化成N-
乙酰苯基丙
氨酸的过程中,将它们用作催化剂,可为配合物[(1,5-COD)Rh [P(OPh)2 ] 2 C提供75-78%ee的光学产率。5 H 8-(1秒,2 S)}] O 3 SCF 3(Rh-4)和[(1,5-COD)Rh (P [OCH(Me)Et-(S)]