Claims
- 1. A methathesis catalyst composition comprised of (A) at least one transition metal salt selected from the group consisting of tungsten halides, tungsten oxyhalides, molybdenum halides and molybdenum oxyhalides, (B) at least one compound selected from the group consisting of dialkylaluminum halides, alkylaluminum sesquihalides and alkylaluminum dihalides, and (C) at least one compound of the general formula ROH wherein R is selected from the group consisting of alkyl and cycloalkyl, and wherein R contains a nitrile substituent situated on the carbon atom adjacent to that bearing the hydroxy group, and wherein the molar ratio of A:B:C lies within the range of 1:0.5-10:0.5-3.
- 2. A metathesis catalyst composition according to claim 1 wherein (A) is selected from the group consisting of WCl.sub. 6, WBr.sub.6 and (C) is .beta.-hydroxypropionitrile or .beta.-hydroxy-.alpha.-methylpropionitrile
- 3. The composition according to claim 2 wherein (A) is WCl.sub. 6.
Parent Case Info
This is a division of application Ser. No. 456,913 filed Apr. 1, 1974 now U.S. Pat. No. 3,945,986.
US Referenced Citations (6)
Divisions (1)
|
Number |
Date |
Country |
Parent |
456913 |
Apr 1974 |
|