Patent ID: 7678934

Claim:
A transition metal compound represented by the following formula (2a): wherein each of R 1 and R 3 is hydrogen, R 2 and R 4 are the same or different from each other and selected from the group consisting of a hydrocarbon group and a silicon-containing group, R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 and R 13 are the same or different from each other and selected from the group consisting of a hydrogen, a hydrocarbon group and a silicon-containing group, and adjacent substituent groups R 5 to R 12 are optionally linked to form a ring, R 14 is an aryl group, and R 13 and R 14 are the same or different from each other and optionally linked to form a ring; M is a Group 4 transition metal; Y is a carbon atom; Q is identical or different from each other and selected from the group consisting of halogen, a hydrocarbon group, anion ligand or neutral ligand capable of coordination with a lone pair of electrons; and j is an integer of 1 to 4.