Benzyl Chloride → Ethyl 5-(4-benzyl-1-piperazinyl)benzofuran-2-carboxylate
反応式
[N:1]1([C:7]2[CH:8]=[CH:9][C:10]3[O:14][C:13]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:12][C:11]=3[CH:20]=2)[CH2:6][CH2:5][NH:4][CH2:3][CH2:2]1.[CH2:21](Cl)[C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1>ClCCl>[CH2:21]([N:4]1[CH2:3][CH2:2][N:1]([C:7]2[CH:8]=[CH:9][C:10]3[O:14][C:13]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:12][C:11]=3[CH:20]=2)[CH2:6][CH2:5]1)[C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1参加物
4
実験手順
A solution of 1 g of ethyl 5-(1-piperazinyl)-benzofuran-2-carboxylate in 50 ml of dichloromethane is treated with 1 g of benzyl chloride and stirred for 2 hours. After customary working up, ethyl 5-(4-benzyl-1-piperazinyl)benzofuran-2-carboxylate, m.p. 219°-222°, is obtained.