Process for the preparation of fluorine-substituted aminobenzodi

Details Process for the preparation of fluorine-substituted aminobenzodi Process for the preparation of fluorine-substituted aminobenzodi

1992-09-28

1993-11-09

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549434, 549439, C07D31920, C07D31762

Patent

active

052604608

ABSTRACT:
According to the invention, a new process for the preparation of fluorine-substituted aminobenzodioxoles and -benzodioxanes of the formula (I) ##STR1## in which n represents an integer 1 or 2, has been found, in which fluorine-substituted nitrohalogeno-benzodioxoles and -benzodioxanes, which are likewise new, are hydrogenated. The novel intermediates are obtained from fluorine-substituted benzodioxoles and benzodioxanes by halogenation and subsequent nitration. The amino compounds are important starting materials for highly active biocides.

REFERENCES:
patent: 4250187 (1981-02-01), Mues et al.
patent: 4722935 (1988-02-01), Ehrenfreund
patent: 4886816 (1989-12-01), Franckowiak et al.

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