Patent ID: 6159890
Filing Date: 2000-12-12
Classification: B01J,C07C,C08G

Abstract:
A ruthenium-containing olefin metathesis catalyst system comprising a ruthenium compound (A), a phosphorus, arsenic or antimony compound (B), and a compound (C) containing at least one carbon-to-carbon triple bond, wherein mole ratios of compounds A:B:C are in the range of about 1.0:0.01-100:0.01-500,wherein the ruthenium compound (A) is selected from the group consisting of RuX.sub.3, RuX.sub.3- hydrate, [RuCl.sub.2 (p-cymene)].sub.2, [RuCl.sub.2 (4-tert-butyltoluene)].sub.2, [RuCl.sub.2 (1,3-diisopropylbenzene)].sub.2, [RuCl.sub.2 (1,4-diisopropylbenzene)].sub.2, and [RuCl.sub.2 (1,3,5-triisopropylbenzene)].sub.2 wherein X is a halogen, and wherein hydrogen is present as a catalyst system activator at a partial pressure of hydrogen of from 1.times.10.sup.-2 mm Hg to about 200 atmospheres.