考察了新型表面活性膦配体DPPTS(对-十二烷基苯基二苯基膦的磺酸钠盐)和OPPTS(对-辛基苯基二苯基膦的磺酸钠盐)在铑络合物催化的水/有机两相长链烯烃氢甲酰化反应中的助催化作用.在催化烯烃氢甲酰化反应时,观察到烯烃与膦配体之间有一定的链长匹配效应;含DPPTS的催化剂体系在低膦/铑比条件下表现出比含表面活性剂十六烷基三甲基溴化铵和水溶性配体三苯基膦三磺酸钠的催化剂体系高得多的催化活性,而且铑流失到有机相极少,仅为加入总铑量的0.8%.这种亲水基团和磷原子处于碳链同一端的表面活性膦配体比文献报道的亲水基团和磷原子分别处于碳链两端的表面活性膦配体具有更好的助催化活性.
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