1-(acylaminoaryloxy-)2-hydroxy-3-alkinylaminopropanes and...

Details 1-(acylaminoaryloxy-)2-hydroxy-3-alkinylaminopropanes and... 1-(acylaminoaryloxy-)2-hydroxy-3-alkinylaminopropanes and...

A - Human Necessities

61

K

260/557

A61K 31/505 (2006.01)

Patent

CA 1148172

ABSTRACT OF THE DISCLOSURE This invention relates to compounds of formula I (I) Image (wherein R1 represents an ethyl or isopropyl group and the acylamino group is in the 4- or 6-position of the phenoxy group; R3 represents a hydrogen atom or a C1 to C3 alkyl group, and R4 represents a C1 to C3 alkyl group; or R3 and R4 together represent a divalent group -(CH2)p- [in which p is an integer of from 4 to 6]) and acid addition salts thereof. The invention further relates to processes for their preparation. The compounds of the invention possess .beta.-adrenolytic and blood-pressure reducing properties and the invention also relates to pharmaceutical compositions of these compounds.

372484

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