云南化工
雲南化工
운남화공
Yunnan Chemical Technology
2015年
5期
8-12
,共5页
陆阳%陶京朝%周志莲%张志荣
陸暘%陶京朝%週誌蓮%張誌榮
륙양%도경조%주지련%장지영
氟丙嘧草酯%2 -氯 -5 -硝基苯甲酸%除草剂
氟丙嘧草酯%2 -氯 -5 -硝基苯甲痠%除草劑
불병밀초지%2 -록 -5 -초기분갑산%제초제
herbicide butafenacil%2 -chloro -5 -nitro -benzoic acid%herbicide
研究了除草剂氟丙嘧草酯的合成方法。以2－氯－5－硝基苯甲酸为原料，经过酯化、还原、异氰酸化、环合4步反应制得氟丙嘧草酯。在适宜的条件下，制得的氟丙嘧草酯的质量分数为99．5％，总收率为55．5％。
研究瞭除草劑氟丙嘧草酯的閤成方法。以2－氯－5－硝基苯甲痠為原料，經過酯化、還原、異氰痠化、環閤4步反應製得氟丙嘧草酯。在適宜的條件下，製得的氟丙嘧草酯的質量分數為99．5％，總收率為55．5％。
연구료제초제불병밀초지적합성방법。이2－록－5－초기분갑산위원료，경과지화、환원、이청산화、배합4보반응제득불병밀초지。재괄의적조건하，제득적불병밀초지적질량분수위99．5％，총수솔위55．5％。
The synthesis of Butafenacil was studied in this paper.Butafenacil was synthesized from 2-chlor -5 -nitrobenzoic acid via four steps including esterification,reduction,isocyanation and cycliza-tion.Under the optimum reaction conditions,the purity was 99.5%,the total yield of butafenacil was 55.5%.The synthesis method was safe and simple in operation,suitable for industrical production .
