| abstract |
[PROBLEMS] To provide a novel metallocene compound and a highly active metallocene catalyst for producing polypropylene and the like. A metallocene compound of the general formula I. (M 1 is a III, IV, V or VI transition group metal of the periodic table of the elements, L 1 may be the same or different, and C 1 -C 10 hydrocarbon groups, halogen or OR 17 , SR 17 , O Si (R 17 ) 3 , Si (R 17 ) 3 , P (R 17 ) 2 Or N (R 17 ) 2 (R 17 is halogen, C 1 -C 10 Alkyl group, halogenated C 1 -C 10 alkyl group, C 6 -C 20 either refers to an aryl group or a halogenated C 6 -C 20 aryl group), or L 1 is toluenesulfonyl, trifluoroacetyl, trifluoroacetamido hexyl, trifluoromethanesulfonyl, nonafluorobutanesulfonyl or 2, It means a 2,2-trifluoroethanesulfonyl group. ) |