反应详情

1-Formyl-4-(2-hydroxyethyl)piperazine (4.95 g) was dissolved in tetrahydrofuran (100 ml), then triphenyl phosphine (10.14 g) and 2-cyanophenol (3.57 g) were added thereto, and 40% azodicarboxylic acid diethyl ester/toluene solution (13.5 ml) was added dropwise thereto, and the title compound (1.60 g) was obtained in the same manner as in Example 47-1).