Patent ID: 7683148
Filing Date: 2010-03-23
Classification: A61K,B01J,C08G

Abstract:
1. A composition capable of undergoing a metathesis reaction upon mixing its components, the components comprising: an olefin-containing substrate capable of undergoing a metathesis reaction; a carbene complex catalyst capable of initiating the metathesis reaction in the composition, wherein the catalyst has the structure: wherein: M is ruthenium or osmium, X is an alkylidene ligand with basicity higher than that of tricyclohexylphosphine (PCy Z is oxygen (O) or sulfur (S) X R at least one reaction control agent for slowing the progress of the metathesis reaction after mixing the composition components and having the structure: wherein: G is selected from the group consisting of: L L is a hydrocarbon fragment containing a double or triple bond, L A is a Group 14 atom, n=0-20, and m=0-20.