会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Process for the preparation of carboxamide compounds
    • 制备羧酰胺化合物的方法
    • US07459553B2
    • 2008-12-02
    • US11077723
    • 2005-03-11
    • Bobba Venkata SivakumarShekhar Bhaskar BhirudChandrasekhar BatchuSanjay Anantha Kale
    • Bobba Venkata SivakumarShekhar Bhaskar BhirudChandrasekhar BatchuSanjay Anantha 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.
    • 制备以下通式的5H-二苯并[b,f]吖庚因-5-甲酰胺的方法:其中R 1,R 2,R 3和R 4相同或不同,并且可以是氢,卤素,硝基,氰基,羧基, -CO(R),-OCO(R),-O(R),-N(R)2,-CON(R)2和-COO(R) C10烷基,C3-C10环烷基,C2-C10烯基,C5-C10环烯基,C2-C10炔基和C6-C20芳基,其中-N(A)2和-CON(A)2的两个A基团可以是 提供相同或不同的,并且其中R2和R3可以一起形成键; 该方法包括将通式为其中R 1,R 2,R 3和R 4具有上述含义的5H-二苯并[b,f]吖庚因与一种或多种碱金属或碱土氰酸酯反应,并在一种或多种不饱和二羧酸存在下 酸。