Process for the preparation of difluorobenzodioxole and chlorofl

Details Process for the preparation of difluorobenzodioxole and chlorofl Process for the preparation of difluorobenzodioxole and chlorofl

1993-09-24

1994-09-27

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31746

Patent

active

053508653

ABSTRACT:
A novel process for the preparation of benzodioxoles of the formula (I) ##STR1## in which Hal represents a chlorine atom or a fluorine atom, from dichlorobenzodioxole using stoichiometric quantities of anhydrous hydrofluoric acid.

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patent: 5260460 (1993-11-01), Andres et al.
patent: 5281725 (1994-01-01), Andres et al.

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