Patent ID: 7141690

Claim:
A transition metal complex represented by the following formula (1): wherein M is a Group 4 transition metal; A is a Group 16 element; B is a Group 14 element; n is an integer of 0 or 1; R 1 , R 2 , R 3 and R 4 are the same or different and each independently denotes a substituent selected from the group consisting of the following groups (I) and (II): group (I) consisting of hydrogen, substituted or unsubstituted C 1-20 alkyl, substituted or unsubstituted C 6-20 aryl, substituted or unsubstituted C 7-20 aralkyl, and silyl substituted with substituted or unsubstituted C 1-20 hydrocarbon, and group (II) consisting of substituted or unsubstituted C 1-20 alkoxyl, substituted or unsubstituted C 6-20 aryloxy, substituted or unsubstituted C 7-20 aralkyloxy, silyloxy substituted with substituted or unsubstituted C 1-20 hydrocarbon, amino substituted with substituted or unsubstituted C 1-20 hydrocarbon, phosphino substituted with substituted or unsubstituted C 1-20 hydrocarbon, and thio substituted with substituted or unsubstituted C 1-20 hydrocarbon, provided that at least one of R 1 , R 2 , R 3 and R 4 is a substituent selected from the group (II); R 5 , R 6 , R 7 , R 8 , R 9 and R 10 are the same or different and each independently denotes hydrogen, halogen, substituted or unsubstituted C 1-20 alkyl, substituted or unsubstituted C 1-20 alkoxy, substituted or unsubstituted C 6-20 aryl, substituted or unsubstituted C 6-20 aryloxy, substituted or unsubstituted C 7-20 aralkyl, substituted or unsubstituted C 7-20 aralkyloxy, silyl substituted with substituted or unsubstituted C 1-20 hydrocarbon, or amino substituted with substituted or unsubstituted C 1-20 hydrocarbon; X 1 and X 2 are the same or different and each independently denotes hydrogen, halogen, substituted or unsubstituted C 1-20 alkyl, substituted or unsubstituted C 1-20 alkoxy, substituted or unsubstituted C 6-20 aryl, substituted or unsubstituted C 6-20 aryloxy, substituted or unsubstituted C 7-20 aralkyl, substituted or unsubstituted C 7-20 aralkyloxy, or amino substituted with substituted or unsubstituted C 1-20 hydrocarbon; or two adjacent substituents of R 1 , R 2 , R 3 and R 4 , and two adjacent substituents of R 5 , R 6 , R 7 , R 8 , R 9 and R 10 may be each optionally bonded to form a ring.