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    • 30. 发明授权
    • (3,4-dioxocyclobuten-1-yl)chromene, indene, and dihydronaphthalenone
derivatives as smooth muscle relaxants
    • (3,4-二氧杂环丁烯-1-基)色烯,茚和二氢萘酮衍生物作为平滑肌松弛剂
    • US5482942A
    • 1996-01-09
    • US267691
    • 1994-06-28
    • Richard M. SollPaul J. Dollings
    • Richard M. SollPaul J. Dollings
    • A61K31/35A61K31/352A61P9/00A61P9/02A61P11/00A61P13/02A61P15/00C07C225/20C07D311/58A61K31/495A61K31/415C07C229/40C07D211/82C07D241/02C07D311/74C07D407/02
    • C07D311/58
    • This invention relates to novel 4-(3,4-dioxocyclobuten-1-yl)chromenes and dihydronaphthalenones and 3-(3,4-dioxocyclobuten-1-yl)indenes and salts thereof having smooth muscle relaxing activity, to their use in the treatment of hypertension as well as for treatment of peripheral vascular disease, congestive heart failure, disorders involving excessive smooth muscle contraction of the urinary tract such as incontinence or of the gastrointestinal tract such as irritable bowel syndrome, asthma, and hair loss and to pharmaceutical compositions containing an invention compound. The present invention discloses compounds represented by the formula (I): ##STR1## wherein: R.sub.1 and R.sub.2, independent from each other, are selected from the following: C.sub.1-6 perfluoroalkoxy, C.sub.1-6 perfluoroalkyl, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxyl, C.sub.1-6 alkoxycarbonyl, nitro, cyano, halogen, C.sub.1-6 alkylsulfonamido, C.sub.1-6 perfluoroalkylsulfonamido, amino, C.sub.1-6 acylamino, C.sub.1-6 perfluoroacylamino, mono or di-C.sub.1-12 alkylamino, C.sub.1-6 alkylsulfonyl, C.sub.6-10 arylsulfonyl, carboxyl, C.sub.1-12 mono or di-alkylaminocarbonyl, or hydrogen;a and b together form an --O-- linkage, C.dbd.O, or a direct bond:R.sub.3 and R.sub.4, independent from each other, are H or C.sub.1-6 alkyl, optionally substituted by fluorine;R.sub.5 is amino or C.sub.1-12 mono alkylamine;R.sub.6 is H, C.sub.1-6 perfluoroalkyl, C.sub.1-6 alkyl, C.sub.6-10 aryl, or mono or bicyclic heteroaryl containing 1-3 heteroatoms selected from N, O, or S.
    • 本发明涉及具有平滑肌松弛活性的新型4-(3,4-二氧杂环丁烯-1-基)色烯和二氢萘酮及其3-(3,4-二氧杂环丁烯-1-基)茚及其盐,用于 治疗高血压以及治疗周围血管疾病,充血性心力衰竭,涉及尿路过度平滑肌收缩的疾病,例如失禁或胃肠道,例如肠易激综合征,哮喘和脱发,以及药物组合物 含有发明化合物。 本发明公开了由式(I)表示的化合物:其中:R 1和R 2彼此独立地选自如下:C 1-6全氟烷氧基,C 1-6全氟烷基,C 1-6烷基,C 1 1-6烷氧基,羟基,C 1-6烷氧基羰基,硝基,氰基,卤素,C 1-6烷基磺酰氨基,C 1-6全氟烷基磺酰氨基,氨基,C 1-6酰氨基,C 1-6全氟酰基氨基,单或二-C 1-12烷基氨基, 6烷基磺酰基,C 6-10芳基磺酰基,羧基,C 1-12单或二烷基氨基羰基或氢; a和b一起形成O-键,C = O或直接键:R 3和R 4彼此独立地是H或任选被氟取代的C 1-6烷基; R5是氨基或C1-12单烷基胺; R 6是H,C 1-6全氟烷基,C 1-6烷基,C 6-10芳基或含有1-3个选自N,O或S的杂原子的单或双环杂芳基。