5-(2-环氧乙烷基)-1-苯并呋喃 、
3-吡啶甲醇 、
5-(1,2-epoxyethyl)benzothiophene 、
2-(羟基甲基)-1,4-哌嗪二甲醛 以respecitvely, to obtain oily 1-(benzo[b]thiophen-5-yl)-2-[(1,4-diformylpiperazin-2-yl)methoxy]ethanol (compound No的产率得到(Benzo[b]thiophen-5-yl)-2-[(1,4-diformylpiperazin-2-yl)methoxy]ethanol