Asymmetric Synthesis Catalyzed by Chiral Ferrocenylphosphine–Transition Metal Complexes. I. Preparation of Chiral Ferrocenylphosphines
作者:Tamio Hayashi、Takaya Mise、Motoo Fukushima、Masahiro Kagotani、Nobuo Nagashima、Yuji Hamada、Akira Matsumoto、Sota Kawakami、Mitsuo Konishi、Keiji Yamamoto、Makoto Kumada
DOI:10.1246/bcsj.53.1138
日期:1980.4
As chiral ligands for transition metal complex catalyzed asymmetric reactions, various kinds of chiral ferrocenylphosphines, which have planar chirality due to 1,2-unsymmetrically substituted ferrocene structure and also have a functional group on the side chain of the ferrocene nucleus, were prepared. (S)-N,N-dimethyl-1-[(R)-2-(diphenylphosphino)ferrocenyl]ethylamine [(S)-(R)-PPFA], (S)-N,N-dimethyl-1-[(R)-1′
作为过渡金属配合物催化不对称反应的手性配体,制备了各种手性二茂铁基膦,它们由于1,2-不对称取代的二茂铁结构而具有平面手性,并且在二茂铁核的侧链上具有官能团。(S)-N,N-二甲基-1-[(R)-2-(二苯基膦基)二茂铁基]乙胺[(S)-(R)-PPFA], (S)-N,N-二甲基-1-[ (R)-1',2-双(二苯基膦基)二茂铁基]乙胺[(S)-(R)-BPPFA]及其二甲基膦基衍生物是通过光学拆分的N,N-二甲基-1-二茂铁基乙胺锂化制备的. 二茂铁基膦上的 1-(二甲基氨基)乙基通过亲核取代反应立体定向地转化为 1-甲氧基-、1-羟基-、1-二苯基膦基-和几个 1-(二烷基氨基)乙基。1-二苯基膦基-2-(二甲基氨基甲基)二茂铁(FcPN)通过其硫化膦二苯甲酰基酒石酸盐进行光学拆分。色谱柱CD谱之间的关系...