申请人:Ciba-Geigy Corporation
公开号:US04713383A1
公开(公告)日:1987-12-15
[1,2,4]triazolo[1,5-c]quinazoline compounds of the formula ##STR1## wherein R.sub.1 is optionally substituted phenyl, pyridyl, furyl thienyl, dihydro or tetrahydro furanyl or thienyl, pyranyl, or 0-ribofuranosyl; R.sub.2 is hydrogen or lower alkyl; X is oxygen or NR.sub.3, R.sub.3 is as defined in the claims, and ring A is unsubstituted or substituted as set forth in the claims. The compounds wherein X is N--R.sub.3 are especially useful as adenosine antagonists and for the treatment of asthma. The compounds wherein X is oxygen are useful as benzodiazepine antagonists and as intermediates in the synthesis of the compounds wherein X is N--R.sub.3.
[1,2,4]三唑并[1,5-c]喹唑啉化合物的化学式为##STR1##其中R.sub.1是可选的取代苯基、吡啶基、呋喃基、噻吩基、二氢呋喃基或四氢呋喃基或噻吩基、吡喃基或0-核糖呋喃基;R.sub.2是氢或低碳基;X是氧或NR.sub.3,R.sub.3如索引中所定义,环A未取代或如索引中所述取代。其中X为N-R.sub.3的化合物特别适用于腺苷拮抗剂,并用于治疗哮喘。其中X为氧的化合物可用作苯二氮卓类拮抗剂,并用作合成X为N-R.sub.3的化合物的中间体。