申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0220767A1
公开(公告)日:1987-05-06
Process for the preparation of aldehydes by hydroformylation of an ethylenically unsaturated compound in the presence of (a) Pd, a Pd compound, Pt and/or a Pt compound, (b) an anion of a carboxylic acid with a pKa < 2, and (c) a bidentate ligand R¹R²-M-R-R³R⁴, wherein M is P, As or Sb, R a divalent organic bridging group having at least 3 C atoms in the bridge, and R¹, R², R³ and R⁴ are hydrocarbon groups.
在以下物质存在下通过乙烯基不饱和化合物的氢甲酰化制备醛的工艺:(a) Pd、Pd 化合物、Pt 和/或 Pt 化合物;(b) pKa < 2 的羧酸阴离子;(c) 双齿配体 R¹R²-M-R-R³R⁴、和 (c) 双齿配体 R¹R²-M-R-R³R⁴,其中 M 是 P、As 或 Sb,R 是桥中至少有 3 个 C 原子的二价有机桥基,R¹、R²、R³ 和 R⁴ 是烃基。