摘要
在乙酸乙酯存在下 ,吡啶和SOCl2 进行缩合反应制得氯化N (4 吡啶基 )吡啶盐酸盐 ,再经过水解即得 4 羟基吡啶 ,总收以吡啶计为 2 3 2 %。
In the presence of ethyl acetate, N (4 pyridyl)pyridinium chloride was prepared from pyridine and SOCl 2, then hydrolyzed 4 hydroxypridine in 23.2% overall yield based on pyridine.
出处
《精细化工中间体》
CAS
2002年第5期15-16,共2页
Fine Chemical Intermediates