Compounds of formula (I): [Figure] (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
Compounds of formula (I): [Figure] (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 alkylcarbonyl, nitro or cyano, or -C(C1-6 alkyl)NOH or -C(C1-6 alkyl)NNH2, 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 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; X is oxygen or sulphur; Y and Z are each hydrogen or together represent a bond; n is 1 or 2; or when one or the other of R1 and R2 is an amino or an amino-containing group, a pharmaceutically acceptable salt thereof, having anti-hypertensive activity.
대표청구항▼
A compound of formula (I) [Figure] (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
A compound of formula (I) [Figure] (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 alkylcarbonyl, nitro or cyano, or -C(C1-6 alkyl)NOH or -C(C1-6 alkyl)NNH2, 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 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; X is oxygen or sulphur; Y and Z are each hydrogen or together represent a bond; n is 1 or 2; or when one or the other of R1 and R2 is an amino or an amino-containing group, a pharmaceutically acceptable salt thereof. A method of treatment of hypertension in mammals including humans comprising the administration of an anti-hypertensive effective amount of a compound according to claim 1 or a pharmaceutically acceptable salt thereof to the sufferer.
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이 특허에 인용된 특허 (1)
Evans John M. (Roydon GB2) Buckingham Robin E. (Welwyn Garden GB2) Willcocks Kenneth (Harlow GB2), Benzopyrans.
Evans John M. (Roydon GB2) Buckingham Robin E. (Welwyn Garden City GB2) Willcocks Kenneth (Harlow GB2), Trans-4-(2-thiaoxo-1-pyrrolidinyl or piperidinyl)-2H-benzo[b]pyran-3-ol derivatives useful in treating hypertension.
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