摘要
采用乙醛酸、尿素和回收滤液为原料，混酸为催化剂，经真空蒸馏缩合制得尿囊素。收率达５３ ．１ ％ 。
The paper studied the synthesis of allontoin with glyoxaic acid,urea and filter liquor.Mixed acid as the catalyst,vacuum distilling condensation,the yield could be 53.1%.
出处
《山东化工》
CAS
1999年第6期9-10,共2页
Shandong Chemical Industry
关键词
尿囊素
乙醛酸
滤液
真空蒸馏
缩合
合成
尿素
allontoin
glyoxaic acid
filter liquor
vacuum distilling
condensation
