| 摘要 |
Disclosed is a novel bidentate pyridine transition metal catalyst having the general formula each R is independently selected from hydrogen or C1 to C6 alkyl, or C6 to C14 aryl, each R' is independently selected from R, C1 to C6 alkoxy, C6 to C14 aryl, C7 to C20 alkaryl, C7 to C20 aralkyl, halogen, or CF3, M is a Group 3 to 10 metal, each X is independently selected from halogen, C1 to C6 alkyl, C6 to C14 aryl, C7 to C20 alkaryl, C7 to C20aralkyl, C1 to C6 alkoxy, or L is X, cyclopentadienyl, C1 to C6 alkyl substituted cyclopentadienyl, indenyl, fluorenyl, or "n" is 1 to 4; "a" is 1 to 3; "b" is 0 to 2; a+b<=3; "c" is 1 to 6; and a+b+c equals the oxidation state of M.
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