摘要
以碳酸二甲酯(DMC)和1,6-己二胺(HDA)为原料合成了六亚甲基1,6-二氨基甲酸甲酯(HDU)。研究了部分Lewis酸对反应的催化活性。其中Zn(NO3)2的催化活性最好。HDA 50 mmol,n(DMC)∶n(HDA)=10∶1,n[Zn(NO3)2]∶n(HDA)=1∶10时,在150℃油浴中回流(90℃)反应3 h,HDU收率可达97%。
1,6-Hexamethylene diurethane (HDU) was synthesized by reaction of dimethyl carbonate (DMC) and 1,6-hexanediarnine(HDA) using Lewis acids as catalysts. Zn( NO3 ) 2 exhibits excellent catalytic activity in the reacion. The yield of HDU is 97% at 90 ℃ ( oil bath temperature 150 ℃ ) after reaction for 3 h when HDA was 50 mmol, n(DMC) : n(HDA) was 10 : 1, n[Zn (NO3)2] : n(HDA) was 1:10.
出处
《合成化学》
CAS
CSCD
2007年第3期342-346,共5页
Chinese Journal of Synthetic Chemistry