Pyrazolo(1,5-c)quinazoline derivatives and related compounds
    51.
    发明授权
    Pyrazolo(1,5-c)quinazoline derivatives and related compounds 失效
    吡唑并(1,5-c)喹唑啉衍生物及相关化合物

    公开(公告)号:US4112096A

    公开(公告)日:1978-09-05

    申请号:US778397

    申请日:1977-03-17

    申请人: B. Richard Vogt

    发明人: B. Richard Vogt

    摘要: Compounds are provided having the structure ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and R.sup.1 is hydrogen, alkyl of 1-3 carbons, phenyl optionally substituted by R.sup.4 or ##STR2## R.sup.2 is ##STR3## hydrogen, lower alkyl or phenyl optionally substituted by R.sup.4 with the proviso that at lest one of R.sup.1 and R.sup.2 is ##STR4## R.sup.3 is hydrogen, lower alkyl, benzyl or phenyl optionally substituted by R.sup.4 ; and R.sup.4 and R.sup.5 are the same or different and represent hydrogen, lower alkyl, lower alkoxy, alkanoyloxy, benzyloxy, hydroxy, halogen (C1, Br and F), nitro, and trifluoromethyl; R.sup.6 is hydrogen, lower alkyl, alkanoyl, aroyl, aralkanoyl, aralkyl or phenyl; and R.sup.7, R.sup.8, m and n are as defined hereinafter.These compounds are useful as anti-allergics.

    摘要翻译: 提供了具有结构的化合物,其中R 1和R 2可以相同或不同并且R 1是氢,1-3个碳的烷基,任选地被R 4或R 2取代的苯基是氢,低级烷基或 任选被R 4取代的苯基,条件是R 1和R 2中的至少一个为氢,任选被R 4取代的低级烷基,苄基或苯基; R4和R5相同或不同,代表氢,低级烷基,低级烷氧基,烷酰氧基,苄氧基,羟基,卤素(C1,Br和F),硝基和三氟甲基; R6是氢,低级烷基,烷酰基,芳酰基,芳烷酰基,芳烷基或苯基; 并且R 7,R 8,m和n如下文所定义。

    Pyrazolo (1,5-c) quinazoline derivatives and related compounds
    52.
    发明授权
    Pyrazolo (1,5-c) quinazoline derivatives and related compounds 失效
    吡咯并(1,5-C)喹唑啉衍生物及相关化合物

    公开(公告)号:US4110452A

    公开(公告)日:1978-08-29

    申请号:US842776

    申请日:1977-10-17

    摘要: Compounds are provided having the structure ##STR1## wherein R.sup.1 is alkylamino, dialkylamino, or ##STR2## wherein alkyl in the above groups contains 1 to 4 carbons; R.sup.2 is alkylamino, dialkylamino or ##STR3## wherein alkyl in the above groups contains 1 to 4 carbons; at least one of R.sup.1 and R.sup.2 being alkylamino or dialkylamino; R.sup.3 is hydrogen, lower alkyl, benzyl or phenyl (optionally substituted with R.sup.8), or ##STR4## (wherein R.sup.6 is amino, alkylamino or dialkylamino, and R.sup.7 is alkyl); and R.sup.4, R.sup.5 and R.sup.8 are the same or different and represent hydrogen, lower alkyl, lower alkoxy, alkanoyloxy, benzyloxy, hydroxy, halogen (Cl, Br and F), nitro and trifluoromethyl.