Process for the preparation of fluorinate aromatic diamine

Details Process for the preparation of fluorinate aromatic diamine Process for the preparation of fluorinate aromatic diamine

1989-04-18

1991-08-27

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

568586, C07C21790, C07C21792

Patent

active

050434780

ABSTRACT:
An improved process for the preparation of certain fluorinated aromatic diamines is disclosed. The step-wise addition of an alkali metal hydroxide to the starting material produces increased yields of higher purity diamine product.

REFERENCES:
patent: 2544076 (1951-03-01), Fourneau
patent: 2935439 (1960-05-01), Wright et al.
patent: 3542735 (1970-11-01), Lynch
patent: 4203922 (1980-05-01), Jones et al.
patent: 4521623 (1985-06-01), Jones et al.
patent: 4808754 (1989-02-01), Guggenheim et al.

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