反应详情

Prepared according to procedure B from 3-bromobenzenesulfonamide and (1,4-dihydro-4,4-dimethyl-2-oxo-2H-3,1-benzoxazin-6-yl)boronic acid. White solid: mp 242-244° C. (dec) 1H-NMR (DMSO-d6) δ10.28 (s, broad 1H), 8.07 (s, 1H), 7.9 (d, 1H, J=7.80 Hz), 7.78 (d, 1H, J=7.86 Hz), 7.64 (t, 1H, J=7.79 Hz), 7,59 (m, 2H), 7.42 s, broad 2H), 7.02 (d, 1H, J=8.86 Hz), 1.68 (s, 6H); MS m/z 331(M+H). Anal. Calc. For C16H16N2O4S: C, 57.82; H, 4.85; N, 8.43. Found: C, 57.49; H, 5.08; N, 8.05.

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