Aminoalkyleneamido chroman derivatives having...

C - Chemistry – Metallurgy – 07 – D

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167/244, 260/356

C07D 311/68 (2006.01) A61K 31/35 (2006.01) C07D 311/96 (2006.01)

Patent

CA 1236110

- 1 - ABSTRACT Compounds of formula (I): Image (I) wherein: either one of R1 and R2 is hydrogen and the other is selected from the class of C1-6 alkylcarbonyl, C1-6 alkoxycarbonyl, C1-6 alkylcarbonyloxy, C1-6 alkylhydroxymethyl, nitro, cyano, chloro, trifluoromethyl, C1-6 alkylsulphinyl, C1-6 alkylsulphonyl, C1-6 alkoxysulphinyl, C1-6 alkoxysulphonyl, C1-6 alkylcarbonylamino, C1-6 alkoxycarbonylamino, C1-6 alkyl-thiocarbonyl, C1-6 alkoxy-thiocarbonyl, C1-6 alkyl-thiocarbonyloxy, C1-6 alkyl-thiolmethyl, formyl or aminosulphinyl, aminosulphonyl or aminocarbonyl, the amino moiety being optionally substituted by one or two C1-6 alkyl groups, or C1-6 alkylsulphinylamino, C1-6 alkylsulphonylamino C1-6 alkoxysulphinylamino or C1-6 alkoxysulphonylamino or ethylenyl terminally substituted by C1-6 alkyl- carbonyl, nitro or cyano, or one of R1 and R2 is nitro, cyano or C1-3 alkylcarbonyl and the other is methoxy or amino optionally substituted by one or two C1-6 alkyl groups or by C2-7 alkanoyl; one of R3 and R4 is hydrogen or C1-4 alkyl and the other is C1-4 alkyl or R3 and R4 together are C2-5 polymethylene; either R5 is hydrogen, hydroxy, C1-6 alkoxy or C1-7 acyloxy and R6 is hydrogen or R5 and R6 together are a bond; R7 is selected from the class consisting of C1-6 alkyl substituted by amino optionally substituted by one or two C1-6 alkyl groups which may be the same or different; amino optionally substituted by a C1-6 alkyl or C1-6 alkenyl group or a C5-8 cycloalkyl group or by a phenyl group optionally substituted by C1-6 alkyl, C1-6 alkoxy or halogen; or C1-6 alkoxy, or phenoxy optionally substituted by C1-6 alkyl, C1-6 alkoxy or halogen; or, when X is oxygen, R7 is selected from the class of carboxy, C1-6 alkoxycarbonyl, or aminocarbonyl optionally substituted by one or two C1-6 alkyl groups which may be the same or different; R8 is hydrogen or C1-6 alkyl; and X is oxygen or sulphur; the R8-N-CX-R7 group being trans to the R5 group when R5 and R6 together are not a bond; or when the compound of formula (I) contains a salifiable group, pharmaceutically acceptable salts thereof, having pharmacological activity, a process for preparing them, pharmaceutical compositions containing them, and their use in the treatment of mammals. The compounds of formula (I) have anti-hypertensive activity.

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