反应详情

4-But-3-ynyl-1H-imidazol-2-ylamine hydrochloride (0.078 g, 0.45 mmol) was reacted with 3-(2-Azido-ethyl)-thiophene (0.083 g, 0.543 mmol) following the general procedure for click reactions outlined above to produce 4-{2-[1-(2-Thiophen-3-yl-ethyl)-1H-[1,2,3]triazol-4-yl]-ethyl}-1H-imidazol-2-ylamine hydrochloride (0.069 g, 47%) of a pale yellow oil. 1H NMR (300 MHz, CD3OD) δ 7.33 (s, 1H), δ 7.19 (dd, 1H), δ 6.85 (d, 1H), δ 6.72 (d, 1H), δ 6.06 (s, 1H), δ 4.45 (t, 2H), δ 3.08 (t, 2H), δ 2.79 (t, 2H), δ 2.59 (t, 2H), ppm 13C (75 MHz, CD3OD) δ 149.3, 147.0, 137.7, 132.1, 127.7, 125.8, 122.4, 121.9, 110.6, 50.8, 30.7, 26.6, 24.8 ppm; HRMS (ESI) calcd for C13H17N6S (M+) 289.1229. found 289.1231.