Process for the preparation of transition metal complexes having monosubstituted cyclopentadienyl ligands
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United States of America Patent
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Aug 9, 1994
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app pub date -
Feb 15, 1994
filing date -
Apr 15, 1993
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Abstract
Disclosed is a process for the preparation of transition metal complexes having monosubstituted cyclopentadienyl ligands of the general formula: ##STR1## in which monomeric cyclopentadiene is reacted with organic halides or pseudohalides, using a mixture of an alkali metal oxide or hydroxide and an alkaline earth metal oxide or hydroxide as metallating agent in glycol diether as solvent, to form the intermediate monosubstituted cyclopentadiene, which in situ is metallated and reacted with a transition metal halide to give the final product.
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