申请人:Roussel Uclaf
公开号:US04472400A1
公开(公告)日:1984-09-18
Novel triazoloquinazolones of the formula ##STR1## wherein R and R' are individually selected from the group consisting of hydrogen, halogen, nitro and alkyl and alkoxy of 1 to 3 carbon atoms, Y is selected from the group consisting of alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 4 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, aryl of 6 to 8 carbon atoms and aralkyl of 7 to 8 carbon atoms, B is an alkylene of 1 to 3 carbon atoms, X is selected from the group consisting of ##STR2## R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, aryl of 6 to 8 carbon atoms, aralkyl of 7 to 8 carbon atoms, aminoalkyl of 2 to 4 carbon atoms, mono- and dialkylaminoalkyl with each alkyl having 2 to 4 carbon atoms, piperidinoalkyl of 1 to 4 alkyl carbon atoms, morpholinoalkyl of 1 to 4 alkyl carbon atoms and piperazinylalkyl of 1 to 4 alkyl carbon atoms or R.sub.1 and R.sub.2 taken together with the nitrogen to which they are attached form a saturated mono- or bicyclic heterocyclic ring with 4 to 8 carbon atoms optionally substituted with 1 to 2 methyls and optionally containing in the ring a heteroatom selected from --O--, --S-- and ##STR3## and R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms, hydroxyalkyl of 1 to 3 carbon atoms, alkoxycarbonyl of 2 to 5 carbon atoms, aryl of 6 to 8 carbon atoms and aralkyl of 7 to 8 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having antihistaminic and bronchospasmolytic activity and their preparation and intermediates.
新颖的三唑喹唑酮的分子式为##STR1##其中R和R'分别选自氢、卤素、硝基和1到3个碳原子的烷基和烷氧基组成的群,Y选自1到6个碳原子的烷基、2到4个碳原子的烯基、3到8个碳原子的环烷基、6到8个碳原子的芳基和7到8个碳原子的芳基烷基组成的群,B是1到3个碳原子的烷基,X选自##STR2##R.sub.1和R.sub.2分别选自氢、1到6个碳原子的烷基、3到8个碳原子的环烷基、6到8个碳原子的芳基、7到8个碳原子的芳基烷基、2到4个碳原子的氨基烷基、每个烷基有2到4个碳原子的单烷基和双烷基氨基烷基、1到4个碳原子的哌啶基烷基、1到4个碳原子的吗啉基烷基和1到4个碳原子的哌嗪基烷基,或者R.sub.1和R.sub.2与它们连接的氮一起形成具有4到8个碳原子的饱和单环或双环杂环的环,可选地用1到2个甲基取代,并且环中可选地含有从--O--、--S--和##STR3##中选择的杂原子,R.sub.3选自氢、1到3个碳原子的烷基、1到3个碳原子的羟基烷基、2到5个碳原子的烷氧羰基、6到8个碳原子的芳基和7到8个碳原子的芳基烷基,以及具有抗组胺和支气管痉挛活性的非毒性、药学上可接受的酸盐及其制备和中间体。