Abstract
In recent years, the extensive study was made of transition metal complexes containing ambivalent P,0 ligands (review see [1]). Although their hemilability could affect favourably transition metal-catalyzed processes, much less attention has been paid to their application as catalysts, except for methanol carbonylation (cf.[2]). Our interest in poly(oxyalkylene)phosphines as potential ligands of water-soluble transition metal catalysts led us to examine also the behaviour of parent ether-phosphines Ph2P(CH2)nOR (n=2, R= Me, Et, Bu; n= 1,4-dioxanyl, 2-tetrahydrofuranyl). In present work, ruthenium-ether-phosphine complexes containing the above ligands were used as catalysts in the title reaction and their efficiency was compared with that of reported homogeneous [3,4] and water- soluble [5] Ru(II) complexes.
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