发明名称 Intermediates to produce imidazodiazepines
摘要 Novel imidazobenzodiazepines and their analogs are useful as anticonvulsants, muscle relaxant, anxiolytic and sedative agents. Preferred compounds of this class belong to the imidazo[1,5-a][1,4]diazepine series which may have a very wide variety of organic substituents. As especially preferred genus included within the purview of the invention encompasses a compound of the formula <IMAGE> wherein R1 is hydrogen and lower alkyl, preferably methyl; R3 and R5 are hydrogen; R4 is hydrogen, nitro and halogen, most preferably chlorine, and in a most preferred embodiment when positioned on the fused benzo portion of the imidazobenzodiazepine is in the 8-position thereof. R6 is phenyl or halo, nitro, or lower alkyl-substituted phenyl, preferably halo, with fluorine being the preferred halogen, the substituted fluoro being positioned in the 2-position of the phenyl moiety and R2 is hydrogen and lower alkyl.
申请公布号 US4368157(A) 申请公布日期 1983.01.11
申请号 US19810242944 申请日期 1981.03.12
申请人 HOFFMANN-LA ROCHE INC. 发明人 WALSER, ARMIN;FRYER, RODNEY I.
分类号 C07D243/16;C07D243/20;C07D487/04;C07D487/14;C07D495/04;C07D495/14;C07F9/6561;(IPC1-7):C07D487/04;C07D401/04 主分类号 C07D243/16
代理机构 代理人
主权项
地址
您可能感兴趣的专利