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    • 4. 发明授权
    • 3,3-dihydroxy-5-aryl-1h-1,5-benzodiazepine-2,4-(3h,5h)-diones and their anhydrous 2,3,4-trione form
    • 3,3-二羟基-5-亚苄基-1H-1,5-苯并二氮杂卓-2H(3H,5H) - 和它们的2,3,4-TRIONE形式
    • US3711468A
    • 1973-01-16
    • US3711468D
    • 1972-01-26
    • BOEHRINGER SOHN INGELHEIM
    • BAUER AWEBER KDANNEBERG PMINCK K
    • C07D243/12C07D53/04
    • C07D243/12
    • Compounds of the formula

      WHEREIN R1, R2 and R3 have the meanings defined above; the

      compounds are useful as tranquilizers and anticonvulsives,

      also as intermediates for the preparation of other 1H-1,5-

      benzodiazepine-2,4-(3H,5H)-diones.

      WHEREIN R1 is hydrogen, straight or branched alkyl of one to four carbon atoms, omega -hydroxy-(alkyl of one to four carbon atoms) or allyl, R2 is phenyl, halo-phenyl, hydroxy-phenyl, trifluoromethylphenyl, nitro-phenyl or pyridyl, and R3 is fluorine, chlorine, bromine, trifluoromethyl or nitro, AND THEIR ANHYDROUS 2,3,4-TRIONE ANALOGS OF THE FORMULA

      WHEREIN R1, R2 and R3 have the meanings defined above; the compounds are useful as tranquilizers and anticonvulsives, and also as intermediates for the preparation of other 1H-1,5benzodiazepine-2,4-(3H,5H)-diones.
    • 式WHEREIN R1的化合物是氢,一至四个碳原子的直链或支链烷基,ω-羟基 - (一至四个碳原子的烷基)或烯丙基,R 2是苯基,卤素 - 苯基,羟基 - 苯基,三氟甲基 - 苯基,硝基 - 苯基或吡啶基,R 3是氟,氯,溴,三氟甲基或硝基,以及它们的化合物,其中R1,R2和R3具有上述定义的无机2,3,4-三烯类似物; 该化合物可用作镇定剂和抗惊厥药,也可用作制备其它1H-1,5-苯并二氮杂-2,4- [3H,5H] - 二酮的中间体。