发明名称 |
Novel benzopyranylpyrrolinone derivatives |
摘要 |
Compounds of the formula <IMAGE> (I) wherein: R1 is cyano or nitro; R2 and R3 are independently hydrogen or lower alkyl; and R4 is alkyl; alkenyl; optionally substituted phenyl or phenyl lower alkyl; -(CH2)mOR2 or -(CH2)mN(R2)2; wherein m is an integer of 1-5 and R2 is as defined above; or a pharmaceutically acceptable ester thereof; are smooth muscle relaxants, particularly useful in the treatment of hypertension.
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申请公布号 |
US5072006(A) |
申请公布日期 |
1991.12.10 |
申请号 |
US19900630092 |
申请日期 |
1990.12.19 |
申请人 |
RECHERCHE SYNTEX FRANCE S.A. |
发明人 |
GENAIN, GILLES;PINHAS, HENRI |
分类号 |
C07D311/68;C07D311/70;C07D405/04 |
主分类号 |
C07D311/68 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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