Process for the preparation of transition metal complexes having

Details Process for the preparation of transition metal complexes having Process for the preparation of transition metal complexes having

1994-02-15

1994-08-09

Dees, Jose G.

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

Organic compounds

Heavy metal containing

556 43, 556 53, 556 58, 556 63, 556144, 556 1, 534 15, C07F 1700, C07F 1702, C07F 1500, C07F 728

Patent

active

053367952

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.

REFERENCES:
(Houben-Weyl-Band 5/1c-Methoden der Organischen Chemie, Eugen Muller Verlag (Herausgeber)-Vierte Auflage (1970)-S. 660-667; George Thieme Verlag, Stuttgart.
Metallocene: Gmelin Handbuch der anorganischen Chemie-Erganzungswerk zur 8. Auflage-Band 10 und 11: "Zirkonium-und Hafnium-Organische Verbindungen" S. 26 ff-Verlag Chemie, Weinheim (1973).
D. J. Cardin et al., Chemistry of Organo-Zirconium and-Hafnium Compounds, Chapter 1, pp. 11-31; Chapter 5, pp. 76-123; Chapter 20, pp. 399-439 (1986).
Izv. Vyssh. Uchebn, Zaved, Khim, Khim, Tekhnol., 26(6), 759-761 (1983); Chemical Abstract: 99: 157869 g.
Vestsi Akad. Navuk. BSSr, Ser. Khim Navuk., 1988(1), S. 96-97; Chemical Abstract: (109) 148913 q.

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