反应详情

3-(3,5-dimethoxyphenylamino)-2-methanesulfonyl-3-methylsulfanyl-2-propenenitrile (0.263 g, 0.8 mmol) was stirred in isopropylamine (1 ml) for 17 h at 75° C. under nitrogen. Work-up as described in Example 17, 2) to give the title compound syrup, 209 mg (77%). Mp 135-136.5° C. 1H NMR (200 MHz, CDCl3): δ=1.15 (s, 6H), 3.10 (s, 3H), 3.5 (m, 1H), 3.78 (s, 6H), 6.25 (br s, 2H), 6.33 (br s, 1H); Analysis: calc. for C15H21N3O4S: C, 53.08%; H, 6.24%; N, 12.38%. Found: C, 53.38%; H, 6.26%; N, 12.31%.