Selective preparation of racemic ansa-metallocene complexes

Details Selective preparation of racemic ansa-metallocene complexes Selective preparation of racemic ansa-metallocene complexes

1998-07-13

1999-04-06

Nazario-Gonzalez, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 7, 556 11, 556 12, 556 21, 556 43, 556 53, 556 87, 556 95, 502103, 502117, 502153, 526160, 526943, C07F 1700

Patent

active

058920811

ABSTRACT:
The present invention relates to a process for preparing racemic ansa-metallocene complexes I ##STR1## tin compounds II ##STR2## and a process for preparing tin compounds II. R.sup.1 to R.sup.9, M, and X are defined herein.

REFERENCES:
patent: 5474716 (1995-12-01), Lisowsky
patent: 5543535 (1996-08-01), Lisowsky
J. Am. Chem. Soc. 1990, 112, 4911-4914, Waymouth et al.
J. Am. Chem. Soc. 1991, 113, 6270-6271, Coates et al.
Organometallics 1992, 1869-1876, Rheingold et al.

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