Process for the synthesis of monohaloalkylferrocenes and 4-chlor

Details Process for the synthesis of monohaloalkylferrocenes and 4-chlor Process for the synthesis of monohaloalkylferrocenes and 4-chlor

1991-09-27

1993-05-25

Prescott, Arthur C.

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

Organic compounds

Heavy metal containing

556143, 556145, C07F 1502

Patent

active

052141756

ABSTRACT:
The present invention relates to a process for the synthesis of a monohaloalkylferrocene by reaction of hydrogen with a monohaloalkanoylferrocene in the presence of PtO.sub.2 and SnCl.sub.2 as catalyst in an acetic acid medium.
In this manner, a crude, particularly pure synthetic product is obtained in a high yield, simply and inexpensively.
The monohaloalkylferrocenes are especially useful as surfactants or as intermediates for the synthesis of combustion catalysts for propergols.
The present invention also relates to a novel monohaloalkylferrocene, namely 4-chlorobutylferrocene.

REFERENCES:
patent: 3341495 (1967-09-01), Neuse
patent: 3420865 (1969-01-01), Suh et al.
European Search Report-EP 91 40 2473, May, 1991.
French Search Report-90 11913, May, 1991.
Chemical Abstracts, vol. 81, No. 3, 1974, p. 344, Abstract No. 13631d, Elecko et al: "Synthesis, proton magnetic resonance spectra, and biological activity of haloacylferrocenes".
Chemical Abstracts, vol. 113, No. 12, 1990, p. 146, Abstract No. 99893e, Sakaeda et al: "Ferrocene derivatives for surfactants for manufacature of thin organic films".
Chemical Abstracts, vol. 113, 1990, p. 521, Abstract No. 180081k, Shu et al: "A heterobinuclear cation containing two electroactive centers that `diffuse` through Nafion coating by difference mechanisms", 1990.
Chemical Abstracts, vol. 80, No. 3, 1974, p. 443, Abstract No. 15044t, Kazakova et al: "Ionic hydrogenation of acetylferrocenes".
Chemical Abstracts, vol. 114, No. 17, 1991, p. 807, Abstract No. 164514u, Sakaeda et al: "Preparation of ferrocenes with metal catalysts".
Chemical Abstracts, vol. 91, No. 5, 1979, p. 558, Abstract No. 38574g, Kolomnikova et al: "Ionic hydrogenation of olefins on heterogeneous catalysts".

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