Patent ID: 6242622
Filing Date: 2001-06-05
Classification: C07F,C08F,Y10S

Abstract:
A transition metal compound represented by the general formula [I] or [II] described below: ##STR4##wherein M.sup.1 is a transition metal atom of the Group IV of the Periodic Table of the Elements; A is an atom of the Group XVI of the Periodic Table of the Elements; J is an atom of the Group XIV of the Periodic Table of the Elements; Cp.sup.1 is a group having a cyclopentadiene type anion skeleton; each of X.sup.1, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently is a hydrogen atom, a halogen atom, an alkyl group, an aralkyl group, an aryl group, a substituted silyl group, an alkoxy group, an aralkyloxy group, an aryloxy group or a di-substituted amino group; X.sup.2 is an atom of Group XVI of the Periodic Table of the Elements; R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 may be optionally combined with each other to form a ring; and a plural number of M.sup.1, A, J, Cp.sup.1, X.sup.1, X.sup.2, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 may be respectively the same or different.