Method for producing bridged type transition metal complex

A method for producing a bridged type transition metal complex represented by the following general formula (1), comprising the following steps (i) and (ii), wherein at least the step (ii) is performed in the presence of an amine compound;

• step (i):
• a step of reacting a cyclopentadiene compound represented by the following general formula (2) with a compound selected from the group consisting of organic alkaline metal compound, hydride of alkaline metal and organomagnesium compound to produce an alkaline metal salt compound or a magnesium salt compound of the cyclopentadiene compound;
• and
• step (ii):
• a step of reacting the alkaline metal salt compound or magnesium salt compound of the cyclopentadiene compound with a transition metal compound represented by the following general formula (3):
• ##STR3## (wherein M represents a transition metal atom of Group IV of the Periodic Table of the Elements;
• J represents --O--, --S--, --NR.sup.3 -- or --PR.sup.4 --(whereinR.sup.3 and R.sup.4 independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, or a silyl group having 1 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms);
• T represents an atom of Group XIV of the Periodical Table of the Elements;
• Cp.sup.1 represents a group having a cyclopentadiene type anion skeleton;
• X.sup.1, X.sup.2, X.sup.3, X.sup.4, R.sup.1 and R.sup.2 independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, a silyl group having 1 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aryloxy group having 6 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, a sulfonyloxy group having 1 to 20 carbon atoms or a di-substituted amino group having 2 to 20 carbon atoms;
• X.sup.1 and X.sup.2 and/or R.sup.1 and R.sup.2 may optionally combine with each other to form a ring;
• Cp.sup.2 represents a group having a cyclopentadiene skeleton;
• R.sup.5 represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms or a silyl group having 1 to 20 carbon atoms optionally substituted with a halogen, vinyl group, an alkoxy group having 1 to 20 carbon atoms, an aralkyloxy group having 7 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms).