Cationic rhodium(I) complexes containing the flexible hemilabile phosphine ligand (3-ethoxypropyl)diphenylphosphine efficiently catalyzed the anti-Markovnikov oxidative amination of styrene in tetrahydrofurane at 80 degrees C to produce (E)-1-styrylpiperidine with turnover frequencies up to 75 h(-1) with excellent enamine selectivity (96%).
含有柔性半不稳定
膦配体(3-乙氧基丙基)
二苯基膦的阳离子
铑(I)络合物可在80°C下有效催化
苯乙烯在
四氢呋喃中的抗马氏
化学氧化,生成(E)-1-
苯乙烯基
哌啶,周转频率高达75 h (-1)具有出色的烯胺选择性(96%)。