摘要
以5-氟尿嘧啶为起始原料,经三氯氧磷氯化,溴化乙基镁格氏反应乙基化,经水解、还原、氯化,再经N-溴代琥珀酰亚胺溴化制得目标产物6-(1-溴乙基)-4-氯-5-氟嘧啶。总收率为51.6%。
The title compound is a key intermediate for Voriconazol.It was prepared starting from 5-fluorouracil in overall yield of 51.6% through several reaction steps including chlorination,Grignard reaction,hydrolysis,reduction,chlorination and bromination.
出处
《精细化工中间体》
CAS
2013年第1期25-26,29,共3页
Fine Chemical Intermediates