Process of Sulfonating 4-Aminobenzonitriles
    11.
    发明申请
    Process of Sulfonating 4-Aminobenzonitriles 审中-公开
    磺化4-氨基苯腈的工艺

    公开(公告)号:US20080227995A1

    公开(公告)日:2008-09-18

    申请号:US11989082

    申请日:2006-07-20

    Abstract: A process of producing a compound of the following formula (3): wherein R1 is a C1-5 alkyl group, R2 is a halogen atom, a C1-5 alkyl group, a C2-5 alkenyl group, a C2-5 alkynyl group, a C1-5 alkyl group, a C1-5 alkoxy group, a nitro group, or a hydroxy group, wherein multiple R2 may be the same or may be different, and a is an integer of from 0 to 4, comprising reacting a compound of the following formula (2): wherein R2 and a are as defined above with a C1-5-alkanesulfonyl chloride or C1-5-alkanesulfonic acid anhydride followed by hydrolyzing an N,N-disulfonated derivative of compound (3) to the compound of formula (3).

    Abstract translation: 制备下式(3)的化合物的方法:其中R 1是C 1-5烷基,R 2是 卤素原子,C 1-5烷基,C 2-5烯基,C 2-5炔基,C 2-5炔基, C 1-5烷基,C 1-5烷氧基,硝基或羟基,其中多个R 2可以 相同或不同,a为0〜4的整数,包括使下式(2)表示的化合物:其中R 2和A如上所定义,与C 1-5烷基磺酰氯或C 1-5 - 烷基磺酸酐,然后将化合物(3)的N,N-二磺化衍生物水解成式(3)的化合物 3)。

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