Novel phosphine compounds are represented by formulae (I) and (II):
wherein the R substituents have the significations defined in the specification and are useful in the form of their transition metal complexes, or of compounds with transition metals, in producing an optically active aldehyde by hydroformylation of an olefin with high positional and steric selectivities.
新颖的膦化合物由式 (I) 和 (II) 表示:
其中 R 取代基具有说明书中定义的含义,以其过渡
金属络合物或与过渡
金属的化合物的形式,通过烯烃的氢甲酰化反应生产光学活性醛时,具有高位置选择性和立体选择性。