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.
公式为##STR1##的[1,2,4]三唑并[1,5-c]喹唑啉化合物,其中R.sub.1是可选取代的苯基、吡啶基、呋喃基、噻吩基、二氢或四氢呋喃基或噻吩基、吡喃基或0-核糖呋喃基;R.sub.2是氢或较低的烷基;X是氧或NR.sub.3,R.sub.3如权利要求所定义,环A未取代或如权利要求所述取代。其中X为N-R.sub.3的化合物尤其适用于腺苷拮抗剂和哮喘治疗。其中X为氧的化合物适用于苯二氮平拮抗剂,并作为X为N-R.sub.3的化合物合成中间体。