申请人:Burroughs Wellcome Co.
公开号:US04780452A1
公开(公告)日:1988-10-25
This invention discloses a group of compounds of formula (I) ##STR1## wherein R.sup.1 is hydrogen, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, COOR.sup.4 (R.sup.4 is H or C.sub.1-4 alkyl) or trifluoromethyl; R.sup.2, R.sup.5 and R.sup.6 are the same or different and can be hydrogen, hydroxy, OCOR.sup.7 (wherein R.sup.7 is hydrogen, C.sub.1-4 alkyl, phenyl optionally substituted) or halo; and R.sup.3 is hydrogen, COR.sup.4, C.sub.3-6 cycloalkyl or C.sub.1-4 alkyl or alkenyl; R.sup.2 may also be a phosphate group and pharmaceutically acceptable salts thereof which have been found to have analgesic activity. In addition, these compounds have antiinflammatory, antipyretic, antihypertensive and vasodilatory activity in varying degrees. Some of these compounds also have antiprotozoal and antiviral properties.
该发明披露了一组化合物,其化学式为(I)##STR1##其中R.sup.1是氢,卤素,C.sub.1-4烷基,C.sub.1-4烷氧基,COOR.sup.4(其中R.sup.4是H或C.sub.1-4烷基)或三氟甲基; R.sup.2,R.sup.5和R.sup.6相同或不同,可以是氢,羟基,OCOR.sup.7(其中R.sup.7是氢,C.sub.1-4烷基,苯基可选择性取代)或卤素; 而R.sup.3是氢,COR.sup.4,C.sub.3-6环烷基或C.sub.1-4烷基或烯基; R.sup.2也可以是磷酸盐基及其药学上可接受的盐,已发现具有镇痛活性。此外,这些化合物具有不同程度的抗炎,退烧,降压和扩血管活性。其中一些化合物还具有抗原虫和抗病毒特性。