反应详情

Amidation of 5-phenyl-3-(tetrahydro-thiopyran-4-ylamino)-thiophene-2-carboxylic acid methyl ester (0.2 g, 0.6 mmol) and 4-Methyl-cyclohexanecarbonyl chloride was carried out as described for example 19, step 2 gave 3-[(trans-4-methyl-cyclohexanecarbonyl)-(tetrahydro-thiopyran-4-yl)-amino]-5-phenyl-thiophene-2-carboxylic acid methyl ester (0.208 g, 75.7%). NMR 1H (CDCl3, 400 MHz): 7.68-7.62 (m, 2H), 7.5-7.4 (m, 3H), 7.04 (s, 1H), 4.68-4.58 (m, 1H), 3.86 (s, 3H), 2.9-1.2 (m, 16H), 0.78 (d, 3H), 0.76-0.56 (m, 2H).s