Propanolamine derivatives
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United States of America Patent
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Oct 18, 1983
Grant Date -
N/A
app pub date -
Jun 26, 1981
filing date -
Jul 9, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Propanolamine derivatives of the formula: ##STR1## wherein R.sup.2 is CH.sub.3 SO or CH.sub.3 SO.sub.2 ; R.sup.3 is hydrogen, methyl or methoxy; or R.sup.2 and R.sup.3 are together --S(O).sub.m (CH.sub.2).sub.4 --when S is attached at R.sup.2 or --(CH.sub.2).sub.n S(O).sub.m -- when S is attached at R.sup.3 (where m=1 or 2 and n=3 or 4); R.sup.4 is hydrogen or alkyl C.sub.1-4 ; Z is --(CH.sub.2).sub.2 -- or ##STR2## and their non-toxic salts. Processes for the preparation and pharmaceutical compositions thereof. The compounds exhibit both .beta.-adrenoreceptor antagonist activity and vasodilator activity and are indicated for use in the treatment of hypertension.
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