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    • 2. 发明申请
    • Process for the preparation of carboxamide compounds
    • 制备羧酰胺化合物的方法
    • US20050203297A1
    • 2005-09-15
    • US11077723
    • 2005-03-11
    • Bobba SivakumarShekhar BhirudChandrasekhar BatchuSanjay Kale
    • Bobba SivakumarShekhar BhirudChandrasekhar BatchuSanjay Kale
    • C07D223/18
    • C07D223/28C07D223/26
    • A process for preparing 5H-dibenz[b,f]azepine-5-carboxamide of the general formula: wherein R1, R2, R3 and R4 are the same or different and can be hydrogen, halogen, nitro, cyano, carboxyl, R, —CO(R), —OCO(R), —O(R), —N(R)2, —CON(R)2, and —COO(R), wherein R is selected from the group consisting of C1-C10 alkyl, C3-C10 cycloalkyl, C2-C10 alkenyl, C5-C10 cycloalkenyl, C2-C10 alkynyl, and C6-C20 aryl, wherein the two A groups of —N(A)2 and —CON(A)2 can be the same or different, and wherein R2 and R3 can together form a bond is provided; the process comprising reacting 5H-dibenz[b,f]azepine of the general formula wherein R1, R2, R3 and R4 have the aforementioned meanings, with one or more alkali or alkaline-earth cyanates and in the presence of one or more unsaturated dicarboxylic acids.
    • 制备通式如下的5H-二苯并[b,f]吖庚因-5-甲酰胺的方法:其中R 1,R 2,R 3, (R),-O(R), - OCO(R),-O(R), -N(R)2,-CON(R)2,和-COO(R),其中R选自C 1〜 C 1 -C 10烷基,C 3 -C 10环烷基,C 2 -C 10烷基,C 1 -C 10烷基, 10个亚烷基,C 5 -C 10环烯基,C 2 -C 10炔基,以及 C 6 -C 20芳基,其中-N(A)2和-CON(A)2的两个A基团 可以相同或不同,并且其中R 2和R 3可以一起形成键; 该方法包括使通式为的5H-二苯并[b,f]吖庚因其中R 1,R 2,R 3,R 3和R 3, 具有上述含义,具有一种或多种碱金属或碱土氰酸盐,并且在一种或多种不饱和二羧酸存在下。