反应详情

Using the method described above for the preparation of 4-acetamido-2,6-dichlorophenol (but using butyric anhydride in place of acetic anhydride) there was obtained 4-butyramido-2,-6-dichlorophenol (used as starting material in Example 51) as a solid, m.p. 146°-147°; NMR([CD3 ]2SO): 0.9(3H,t), 1.58(2H,m), 2.25(2H,t), 7.62(2H,s), 9.75(1H,br s) and 9.85(1H,s); m/z 248(M+H).