Process for the manufacture of novel benzazole derivatives, phar

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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514375, 514394, 548178, 548217, 548224, 548325, 548332, 548333, C07D27764, C07D26356, C07D23508, A61K 31425

Patent

active

046491490

ABSTRACT:
The invention relates to a process for the manufacture of novel benzazole derivatives of the formula I ##STR1## in which R.sub.1 represents an optionally 4-substituted piperazino group or a group of the formula R.sub.2 --alk--X.sub.2 --,

REFERENCES:
patent: 3646049 (1972-02-01), Hoff

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