Process for preparing transition metal complexes containing disu

Details Process for preparing transition metal complexes containing disu Process for preparing transition metal complexes containing disu

1995-11-15

1998-01-13

Nazario-Gonzalez, Porfirio

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

Organic compounds

Rare earth containing

556 1, 556 11, 556 12, 556 43, 556 53, 556 58, 556143, 556144, 526943, 502103, 502117, C07F 1702, C07F 700

Patent

active

057081506

ABSTRACT:
A process for preparing transition metal complexes containing disubstituted cyclopentadienyl ligands of the general formula (1) ##STR1## in which a monomeric, monosubstituted cyclopentadiene is reacted using a mixture of an alkali metal oxide or hydroxide and an alkaline earth metal oxide or hydroxide as a metallating agent in polyoxyalkylene polyethers as the reaction medium with organic halides or pseudohalides to give the intermediate disubstituted cyclopentadiene which is, in situ, metallated and reacted with a transition metal halide to give the end product.

REFERENCES:
patent: 5200537 (1993-04-01), Lee et al.
patent: 5336795 (1994-08-01), Lisowsky
Muller, Eugen, Methoden Der Organischen Chemie, Eugen Muller Verlag, 4th Edition, (1970), pp. 660-667.
Chemical Abstracts, vol. 99, No. 19, Nov. 7, 1983, Columbus, Ohio, Abstract No. 157869g.
Chemical Abstracts, vol. 85, No. 23, Dec. 6, 1976, Columbus, Ohio, Abstract No. 176943d.

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