反应详情

The title intermediate was synthesized as described for Compound 7 in five steps starting from 5-bromo-2-nitrotoluene instead of 3-methyl-4-nitrobenazoic acid methyl ester. MS: 199.97 & 201.97 (M+H+); H1-NMR (CDCl3): δ (ppm) 9.75 (s, 1H), 7.71 (s, 1H), 7.39 (d, 1H, J=9.3 Hz), 7.22 (s, 2H), 6.72 (d, 1H, J=9.3 Hz);