反应详情

This material was prepared from 7-chloro-N-(2-hydroxyethyl)-N-methylthieno[3,2-b]pyridine-2-carboxamide 31a (1.27 g, 4.68 mmole), t-butyldimethylsilyl chloride (0.705 g, 4.68 mmole) and Et3N (0.718 ml, 4.68 mmole) in a manner as previously described for 3b to give an orange oil (1.40 g, 78%). 1H NMR (300 MHz, CDCl3) ε 8.61 (1H, d, J=5.1 Hz), 7.74 (1H, s), 7.32 (1H, d, J=5.1 Hz), 3.89 (2H, m), 3.71 (2H, m), 3.37 (3H, s), 0.89 (9H, m), 0.07 (6H, m); ESIMS (MH+): 385.10.