Claims
- 1. A metathesis catalyst composition comprises 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, (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 (D) a compound of the general formula ROH wherein R is selected from the group consisting of alkyl, cycloalkyl, alkoxyalkyl, haloalkyl, and aryl, and wherein the molar ratio of A:B:C:D lies within the range of 1:0.5-10:0 .5-3:0.5-1.
- 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 WOCl.sub.4 and (C) is 2-hydroxypropionitrile.
Parent Case Info
This is a division of application Ser. No. 456,912 filed April 1, 1974 now U.S. Pat. No. 3,955,179.
US Referenced Citations (7)
Divisions (1)
|
Number |
Date |
Country |
Parent |
456912 |
Apr 1974 |
|