摘要
以间甲苯胺为原料 ,经乙酰化、氯化、水解得 2 ,4-二氯 - 5 -甲苯胺盐酸盐 ,再经重氮化、希曼反应制得 2 ,4-二氯 -5 -氟甲苯 ,总收率 6 4.6 %。
Dichloro 5 fluorotoluene was synthesized from m toluidine by acetylation, chlorination and hydrolysis to afford 2,4 dichloro 5 toluidine hydrochloride followed by diazotization and Schiemann fluorination reaction in 64.6% overall yield.
出处
《中国医药工业杂志》
CAS
CSCD
北大核心
2001年第1期31-33,共3页
Chinese Journal of Pharmaceuticals
