Process for the synthesis of haloalkylferrocenes

Details Process for the synthesis of haloalkylferrocenes Process for the synthesis of haloalkylferrocenes

1995-06-06

1996-08-27

Shaver, Paul F.

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

Organic compounds

Heavy metal containing

C07F 1502, C07F 1702

Patent

active

055502679

ABSTRACT:
The present invention relates to a process for the synthesis of haloalkylferrocenes, comprising a first stage of reaction, in the presence of AlCl.sub.3 as catalyst and in organic solvent medium, of a carboxylic acid halide or anhydride with ferrocene or an alkylferrocene.
After this stage, without prior isolation of the intermediate compound, a metal hydride is added to the reaction mixture.
The haloalkylferrocenes are particularly useful as intermediates in the synthesis of combustion catalysts for propellants.

REFERENCES:
patent: 3960911 (1976-01-01), Suschitzky et al.
patent: 4647628 (1987-03-01), Gautier et al.
patent: 4668313 (1987-05-01), Gautier et al.
patent: 5110964 (1992-05-01), Hiroi et al.
patent: 5190671 (1993-03-01), Caubere et al.
patent: 5214175 (1993-05-01), Gautier et al.
Schlogl, et al: "Darstellung von Alkylferrocenen aus Acylferrocenen durch Reduktion mit Lithiumalanat-Aluminiumchlorid": (Monatschefte fur Chemie, Bd. 92/4) pp. 921-926, Jun. 1961.
Chemical Abstracts, vol. 081, No. 3, Abstract No. 013631d, Jul. 22, 1974.

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