N-[4-[.omega.-(4-acyl-3-hydroxyphenoxy)alkoxy]-p henyl]1H-tetraz

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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548251, 548253, A61K 3141, C07D25704

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active

046753338

ABSTRACT:
There are described compounds of the formula ##STR1## in which R.sup.1 is hydrogen or C.sub.1-6 alkyl, R.sup.2 is hydrogen, C.sub.1-6 alkyl or C.sub.3-6 alkenyl, R.sup.3 is hydrogen or C.sub.1-6 alkyl, R.sup.4 is hydrogen or an N-protecting group, n is 2, 3, 4 or 5, and X is oxygen, sulphur or --CH.sub.2 --, provided that when X is --CH.sub.2 -- n is 0; and salts thereof. The compounds in which R.sup.4 is hydrogen have pharmaceutical activity.

REFERENCES:
patent: 4595570 (1986-01-01), Goldsworthy

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