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.
已公开的化合物的化学式为##STR1##其中R为##STR2##R.sup.1为氢、较低的烷基或##STR3##a为1-3;b为1-3;c为0-2;X、Y和Z分别独立地为键合、O、S或NH,但若X或Y中的一个为O、S或NH,则另一个必须为键合;R.sup.2为氨基、较低的烷基氨基、芳基氨基、较低的烷氧基或芳氧基;R.sup.3为氢、卤素、羟基、较低的烷氧基、芳氧基、较低的烷酰氧基、氨基、较低的烷基氨基、芳基氨基或较低的烷酰胺基;R.sup.4和R.sup.5分别独立地为氢或较低的烷基;m为0-4;n为1-4;o为1-4;由于它们具有选择性地抑制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的能力,因此具有支气管扩张和抗炎作用,因此在治疗急性和慢性支气管哮喘及相关病理方面是有用的。