反应详情

2-(2,2-Dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-N-(4-fluoro-benzyl)-N-methoxy-acetamide was treated with 1-propyl-cyclopropanesulfonic acid amide as described in the preparation of compound 1 to yield the title compound. MS (M−H) calcd for C18H22FN2O6S: 413.1. Found: 413.0. 1H NMR (500 MHz, CDCl3) δ: 0.92 (t, 3, J=8), 1.00 (m, 2), 1.54 (m, 2), 1.74 (m, 2), 1.84 (m, 2), 3.68 (s, 3), 4.79 (s, 2), 6.54 (s, 1), 7.04 (m, 2), 7.29 (m, 2), 8.79 (s, 1). Anal calcd for C18H23FN2O6S: C, 52.16; H, 5.59; N, 6.76. Found: C, 52.20; H, 5.69; N, 6.66.