反应详情

The same procedure described for 3a was used employing 4-Cyanophenacyl bromide and 2-Amino-5-bromo-3-methylpyridine. Yield 71%, mp 209-210° C. 1H NMR (DMSO-d6); δ 2.56 (s, 3H), 7.53 (s, 1H), 7.95 (d, J=8.1 Hz, 2H), 8.14 (d, J=8.1 Hz, 2H), 8.60 (s, 1H), 8.88 (s, 1H). 13C NMR; δ 143.3, 140.4, 133.3, 133.0, 128.1, 127.4, 127.0, 125.9, 119.2, 112.8, 111.2, 108.2, 16.7. MS (m/z, rel.int.); 312 (M+, 10), 230 (100), 217 (60), 205 (50).