Process for the preparation of ruthenium hydrogenation catalysts

Details Process for the preparation of ruthenium hydrogenation catalysts Process for the preparation of ruthenium hydrogenation catalysts

1996-09-19

1998-03-10

Nazario-Gonzalez, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

502155, 502162, 564278, 564490, 564491, 564492, 564493, 564494, 568840, 556136, C07F 1500, C07C20900, C07C24900

Patent

active

057263345

ABSTRACT:
This invention relates to a process for the preparation of ruthenium complexes of the formula RuH.sub.2 L.sub.2 (PR.sub.3).sub.2, wherein each L is independently H.sub.2 or an additional equivalent of PR.sub.3, and each R is independently H, a hydrocarbyl group, or an assembly of at least two hydrocarbyl groups connected by ether or amine linkages, comprising contacting a source of ruthenium and PR.sub.3 with gaseous hydrogen in the presence of a strong base, a phase-transfer catalyst, water and an organic solvent; and the use of certain classes of ruthenium complexes as catalysts in hydrogenation, and reductive hydrolysis processes.

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