Process for preparing metallocene complexes

Organic compounds -- part of the class 532-570 series – Organic compounds – Rare earth containing

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556 43, 556 46, 556 52, 556 53, 556 58, 556 70, 556 87, 556140, 556143, 556 1, G03C 168, C08F 442, C08G 5968, C07F 1700

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048682888

ABSTRACT:
The invention relates to a process for the preparation of compounds of formula Ia

REFERENCES:
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patent: 3190902 (1965-06-01), Coffield et al.
Chem. Communications, p. 930, 1971, J. F. Helling et al., "New, Improved Syntheses of Bisbenzeiron (II) Hexafluorophosphate and Related Compounds".
Sutherland et al., Journal of Organometallic Chemistry, 101, 221-29 (1975).
Nesmeyanou et al., Koord. Klim., 1, 1252-56 (1975).
Astruc et al., C.R. Academ. Sc. Paris, Series C, 272 1337 (1971).
Schumann, Chemukev Zeitung, 108(11) 345-373 (1984).
Schumann, Chenukev Zeitung, 108(7/8), 239-251 (1984).
Astruc et al., Tetrahedron, 32 245-49 (1976).

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