Process for the production of dibenzazolyl compounds

Details Process for the production of dibenzazolyl compounds Process for the production of dibenzazolyl compounds

1980-11-28

1982-04-27

Demers, Arthur P.

Harness for working animal

542467, 548217, 548219, 548220, 548327, 548328, C07D41306, C07D40504, C07D40914

Patent

active

043272096

ABSTRACT:
Benzazolyl compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are specific substituents, X is oxygen or R.sub.3 N--, Q is a radical of the formula ##STR2## wherein R.sub.4 denotes specific substituents, and A is 2,5-furylene, 2,5-thenylene or a bridge member which contains at least one double bond between 2 carbon atoms or is the direct bond. These compounds are obtained by condensation of organic carboxylic acids with aminobenzenes in diphenyl ether or a mixture of diphenyl ether and diphenyl.

REFERENCES:
patent: 3135762 (1964-06-01), Maeder et al.
patent: 3575996 (1971-04-01), Liechti et al.
patent: 4110246 (1978-08-01), Frischkorn et al.

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