摘要
介绍以磷钨酸为催化剂,乙酰乙酸乙酯和1,2-丙二醇为原料合成苹果酯B,并经折光率、化学性质、红外光谱、核磁共振氢谱和碳谱确证其结构。
Fructone B was prepared by reaction of ethyl acetoacetate with 1,2-propanedid, which was catalyzed by phosphotungstic acid, and characterixed by refraction index, chemical propertyu, infrared spectra, 1H-NMR and13 C-NMR spectra.
出处
《化工时刊》
CAS
2000年第2期42-43,共2页
Chemical Industry Times
关键词
磷钨酸
苹果酯B
合成
催化
香料
Phosphotungstic acid, Fructone B, Synthesis
