Dibenzo[b,d]thiopyran derivatives, pharmaceutical composition an

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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514231, 514252, 514324, 514422, 514437, 544 584, 544 587, 544145, 544364, 544375, 546202, 548525, 549 26, A61K 3138, A61K 31535, C07D 3510, C07D41312

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046249494

ABSTRACT:
The invention relates to compounds having the general formula (I) ##STR1## wherein R.sub.1 is carboxy, esterified carboxy or an amide of formula ##STR2## in which R.sub.9 is hydrogen or C.sub.1 -C.sub.6 alkyl, A is C.sub.2 -C.sub.6 alkylene and R.sub.a and R.sub.b are hydrogen or C.sub.1 -C.sub.6 alkyl or R.sub.a and R.sub.b taken together with the nitrogen atom to which they are linked form a saturated, optionally substituted, heteromonocyclic ring;

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