Process for the synthesis of 1,1-diphosphaferrocenes

Details Process for the synthesis of 1,1-diphosphaferrocenes Process for the synthesis of 1,1-diphosphaferrocenes

1981-12-02

1983-09-13

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 1702

Patent

active

044041470

ABSTRACT:
The invention relates to the manufacture of 1,1'-diphosphaferrocenes.
The process consists of reacting a mixture of an alkali metal phenyl and an alkali metal phospholyl in the presence of a Lewis acid, in a basic ether, preferably at between -20.degree. and +20.degree. C., and then reacting the product obtained with ferrous chloride.
The process according to the invention is useful for lowering the production cost of 1,1'-diphosphaferrocenes.

REFERENCES:
patent: 4152344 (1979-05-01), Unruh
patent: 4201714 (1980-05-01), Hughes

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