J. Uriach & Cia

Concepcion Gonzpalez

Javier Bartroli

Elena Carceller

Carmen Almansa

Carmen Torres

The present invention relates to new tetralones having the formula I: ##STR1## wherein: R.sup.1 and R.sup.2 represent hydrogen, halogen, cyano, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, trifluoromethyl, pentafluoroethyl, ethynyl, trimethylsilylethynyl, C.sub.1-4 alkylcarbonylamino being the amino optionally substituted by a C.sub.1-4 alkyl group; R.sup.3 is hydrogen or C.sub.1-4 alkyl, and R.sup.4 is C.sub.1-4 alkyl, or R.sup.3 and R.sup.4 together form a C.sub.2-5 polymethylene chain; either R.sup.5 represents hydroxyl, acetoxy or formyloxy and R.sup.6 and R.sup.7 are both hydrogen, or R.sup.5 together with R.sup.6 form a carbonyl group and R.sup.7 is hydrogen, or R.sup.5 and R.sup.7 together form a bond and R.sup.6 is hydrogen; R.sup.8 is, among others, 1,2-dihydro-2-oxo-1-pyridyl, 2,3-dihydro-1-oxo-1H-isoindol-2-yl, 2-oxo-1-pyrrolidinyl, 2-oxo-1-pyperidinyl. The invention also relates to a procedure for their preparation and to pharmaceutical compositions containing them. These compounds are antihypertensive and bronchodilator agents.

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Concepcion Gonzpalez