Patent ID: 7173097
Filing Date: 2007-02-06
Classification: A61K,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 a neutral electron donor ligand with basicity equal to or higher than that of tricyclohexylphosphine (PCy X Z is oxygen (O) or sulfur (S), R 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.