PROCESS FOR PREPRATION F AMINO-BENZOIC ACIDS

    公开(公告)号:KR790001269B1

    公开(公告)日:1979-09-20

    申请号:KR740003603

    申请日:1974-09-16

    Applicant: HOECHST AG

    Abstract: Title compds, (I; R1,R2 = C1-4 alkyl or H, R3 = H, C1-6 main or side-chain alkyl group, R4,R5 = H, hydroxy, C1-5 alkoxy or alkyl, amino, mono or dialkylamino, R6 = halogen, hydroxy, mercapto, cyano or amino group substituted C1-4 main or side-chain alkyl group contains O,N, or S useful as diuretic, were pprepd. by reduction of 3-acylamino-5-sulfamyl-benzoic acid with (BH3)2 in the presence of Lewis acid at room temp. or 80≦̸C.

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