2-Iodo-3-nitrobenzoic acid → 3-Nitrobenzoic acid

참여 물질

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Reaction of 7-amino-1-methylindazole and 2-iodo-3-nitrobenzoic acid as above gave 2-8 (1-methyl-1H-indazol-7-yl)amino]-3-nitrobenzoic acid (33% yield); mp (EtOAc/n-hexane) 240-244° C.; 1H NMR [(CD3)2SO] δ 4.33 (s, 3 H, NCH3), 6.55 (d, J=7.5 Hz, 1 H, ArH), 6.84 (t, J=7.7 Hz, 1 H, ArH), 6.90 (t, J=7.7 Hz, 1 H, ArH), 7.36 (d, J=7.9 Hz, 1 H, ArH), 7.80 (dd, J=8.1, 1.7 Hz, 1 H, ArH), 8.00 (s, 1 H, ArH), 8.31 (dd, J=7.5, 1.7 Hz, 1 H, ArH), 13.47 (br s, 1 H, COOH).

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