期刊
CATALYSIS TODAY
卷 66, 期 2-4, 页码 183-189出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0920-5861(00)00647-7
关键词
rhodium; hydroformylation; water-soluble catalyst; aqueous catalyst; biphasic; phosphonate-phosphine
We have developed new and efficient routes to modify phosphines with phosphonic acid groups. Phosphonate-phosphines showed high solubilities in water and were used to immobilise rhodium catalysts in the aqueous phase of biphasic systems. In the two-phase hydroformylation of propylene, some of the novel catalysts showed activities and regioselectivities similar to those of Rh/TPPTS. Amphiphilic Rh/phosphonate-phosphine catalysts were found widely superior to Rh/TPPTS in the hydroformylation of 1-octene. (C) 2001 Elsevier Science B.V. All rights reserved.
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