Patent ID: 9604903
Date: 2017-03-28
CPC Classifications: B01J,C07C,C10G,C11C

Claim:
1. A process of metathesising a feedstock, wherein the feedstock comprises unsaturated fatty acids and/or esters of unsaturated fatty acids, in the presence of a metathesis catalyst and at least one catalyst enhancer compound in a reaction mixture, wherein the at least one catalyst enhancer is selected from the group consisting of a sacrificial catalyst and a non-catalyst enhancer, wherein the sacrificial catalyst is selected from the group consisting of dichloro-(3-phenyl-1H-inden-1-ylidene)bis(tricyclohexylphosphine)ruthenium(II), dichloro-(3-phenyl-1H-inden-1-ylidene)bis(isobutylphobane)ruthenium(II), [1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro-(3-phenyl-1H-inden-1-ylidene)(tricyclohexylphosphine)ruthenium(II), [1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro-(3-phenyl-1H-inden-1-ylidene)(pyridyl)ruthenium(II), [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]-[2-[[(4-methylphenyl)imino]methyl]-4-nitro-phenolyl]chloro-[3-phenyl-indenylidene]ruthenium(II), and [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]-[2-[[(2-methylphenyl)imino]methyl]-phenolyl]chloro-(3-phenyl-indenylidene)ruthenium(II), wherein the non-catalyst enhancer is selected from the group consisting of a Lewis acid and a titanium based compound, wherein the process is carried out without a solvent or in a solvent consisting of hydrocarbons and/or alcohols, wherein the metathesis catalyst efficiency is less than 100.