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五氟磺草胺的合成简介

作  者:
曹燕蕾
单  位:
江苏省农药研究所股份有限公司
关键词:
除草剂;合成;嘧啶
摘  要:
简单介绍三唑并嘧啶磺酰胺类除草剂——五氟磺草胺(Penoxsulam)的性能,描述五氟磺草胺的合成工艺。中间体2-氨基-5,8-二甲氧基[1,2,4]-三唑并[1,5-c]-嘧啶与2-氟-6-三氟甲基苯磺酰氯反应,再与2,2-二氟乙醇缩合即得到五氟磺草胺。
译  名:
Brief Introduction of Synthesis of Penoxsulam
作  者:
CAO Yan-lei (Jiangsu Pesticide Research Institute Co., Ltd., Nanjing 210019, China)
关键词:
herbicide; synthesis; pyrimidine
摘  要:
The title compound (penoxsulam) is a herbicide of Dow Agrosciences Co.,. Its main structure type is sulfonamide triazolopyrimidine. The herbicide was synthesized by reaction of 2-amino-5,8-dimethoxy[1,2,4]-triazolo [1,5-c]pyrimidine, 2-fluoro-6-trifluoromethylbenzenesul-fonyl chloride and 2,2-difluoroethanol. The study showed that penoxsulam was useful in controlling broadleaf weeds and sedges in turfgrass and in vine and orchard floors.

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