C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/708
C07C 6/04 (2006.01) B01J 31/34 (2006.01) C07C 11/02 (2006.01)
Patent
CA 1095090
ABSTRACT OF THE DISCLOSURE Improved processes for metathesizing olefins are provided using homogeneous metathesis catalysts. The catalyst consists essentially of (a) a tungsten halide or tungsten oxyhalide; (b) an organotin compound of the formula Image where R is an alkyl group containing from 1 to 16 carbon atoms, a cyclo- alkyl group containing from 3 to 8 carbon atoms, benzyl, phenyl or an alkyl- substituted phenyl group having from 7 to 12 carbon atoms; and (c) a nitro- genous modifying agent selected from the group consisting of aliphatic amines, cycloaliphatic amines, aromatic amines and heterocyclic amines wherein the nitrogen atom is contained in a five- or six-membered ring, the molar ratio of (b) to (a) ranging from 0.4:1 to 1.5:1 and the molar ratio of (c) to (a) ranging from 0.1:1 to 0.95:1; the catalyst employed in an amount so that from 0.0003 mole to 0.1 mole of (a) is present per mole of the olefin. The process using these modified catalyst systems for olefin metathesis give significantly increased conversions and excellent product selectivity. Such improved metathesis reactions are obtained with- out regard to the source and storage history of the tungsten compound.
291208
Blewett Charles W.
Garrett William R. Jr.
Emery Industries Inc.
Marcus & Associates
LandOfFree
Olefin metathesis catalyst and process utilizing same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Olefin metathesis catalyst and process utilizing same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Olefin metathesis catalyst and process utilizing same will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-731507