Medicine intermediate N - ethylethylenediamine ( NEED ) was synthesized from acrylamide and ethylamine by addition reaction and Hofmann rearrangement.以丙烯酰胺为起始原料,经乙胺加成后,再经Hofmann重排两步反应后合成了药物中间体N - 乙基乙二胺 ( NEED )....

n.乙胺...

ethylamine的音标：ethylamine的英式发音音标为：['eθələˌmi:n]ethylamine的美式发音音标为：['eθələˌmin]...