申请人:E. R. Squibb & Sons, Inc.
公开号:US04123532A1
公开(公告)日:1978-10-31
A method is provided for treatment of asthma by administering to a mammalian host a pyrazolo[1,5-c]quinazolin-5(6H)-one of the structure ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, lower alkoxycarbonyl, phenyl optionally substituted with halogen, lower alkyl or lower alkoxy, R.sup.2 is carboxy, lower alkoxycarbonyl, alkoxy, hydrogen, benzoyl optionally substituted with halogen, lower alkyl or lower alkoxy, and R.sup.3, R.sup.4 and R.sup.5 are as defined hereinafter, the above compound preferably being carried by a physiologically acceptable pharmaceutical carrier.
提供了一种治疗哮喘的方法,通过向哺乳动物宿主施用一种结构为##STR1##的吡唑并[1,5-c]喹唑啉-5(6H)-酮,其中R.sup.1为氢、较低的烷基、较低的烷氧羰基、苯基(可选择性地取代卤素、较低的烷基或较低的烷氧基)、R.sup.2为羧基、较低的烷氧羰基、烷氧基、氢、苯甲酰(可选择性地取代卤素、较低的烷基或较低的烷氧基),R.sup.3、R.sup.4和R.sup.5如下所定义,上述化合物最好由生理上可接受的药物载体携带。