反应详情

By the procedures of Examples 2 and 3, diethyl 3-oxohexanedioate [Tetrahedron 23, p. 897 (1967)] and 3,5-dimethoxyaniline were converted to title product, recrystallized from ethyl acetate/cyclohexane, in 77% yield, m.p. 254°-256° C.; m/e 233 (m+); ir (KBr) 3448, 2857, 1680, 1639 cm-1.