申请人:American Home Products Corporation
公开号:US05124455A1
公开(公告)日:1992-06-23
There are disclosed compounds of the formula ##STR1## wherein R is ##STR2## R.sup.1 is hydrogen, lower alkyl or ##STR3## a is 1-3; b is 1-3; c is 0-2; X, Y and Z are each, independently, a bond, O, S. or NH, with the proviso that if one of X or Y is O, S or NH, the other must be a bond; R.sup.2 is amino, loweralkylamino, arylamino, loweralkoxy or aryloxy; R.sup.3 is hydrogen, halo, hydroxy, lower alkoxy, aryloxy, loweralkanoyloxy, amino, lower alkylamino, arylamino or loweralkanoylamino; R.sup.4 and R.sup.5 are each, independently hydrogen or lower alkyl; m is 0-4; n is 1-4; and o is 1-4; and, which by virtue of their ability to selectively inhibit an isoenzyme of 3':5'-cyclic AMP phosphodiesterase located in pulmonary smooth muscle tissue and inflammatory cells, are bronchodilatory and antinflammatory and so are useful in the treatment of acute and chronic bronchial asthma and associated pathologies.
该文披露了化合物的结构式,其中R是,R1是氢,低碳基或,a为1-3;b为1-3;c为0-2;X、Y和Z各自独立地是键,O,S或NH,但是如果X或Y中的一个是O,S或NH,则另一个必须是键;R2是氨基,低碳基氨基,芳基氨基,低碳基氧基或芳基氧基;R3是氢,卤素,羟基,低碳基氧基,芳基氧基,低碳基酰氧基,氨基,低碳基氨基,芳基氨基或低碳基酰胺基;R4和R5各自独立地是氢或低碳基;m为0-4;n为1-4;o为1-4;由于它们能够选择性地抑制定位于肺平滑肌组织和炎症细胞中的3':5'-环磷酸腺苷磷酸二酯酶的同工酶,因此具有支气管扩张和抗炎作用,因此可用于治疗急性和慢性支气管哮喘及相关病理状况。