Patent ID: 6528671
Filing Date: 2003-03-04
Classification: C07F,C08F,Y10S

Abstract:
A transition metal compound obtained by reacting a transition metal compound (a) represented by the following general formula (1) wherein, M represents a titanium atom, zirconium atom or hafnium atom; L represents a group having an aromatic &pgr; electron; R represents a hydrogen atom, alkyl group, aralkyl group, aryl group or substituted silyl group, all R's may be the same or different; p is 1 or 2; m is 0 or 1; and the sum of p and m is 2,with a conjugated diene (b) selected from the group consisting of 2,2,7,7-tetramethyl-3,6-octadiene, 2,4,5,7-tetramethyl-3,5-octadiene, 1,4-diphenylbutadiene and 2,3-diphenylbutadiene in the presence of a compound (c) selected from the group consisting of alkyllithiums, alkali metals, alkali metal hydrides and Grignard compounds.