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氟噻草胺的合成

作  者:
黎育生;周桂东;沈宜全;刘卫华;戴欣
单  位:
江苏省农药研究所
关键词:
氟噻草胺;合成路线;制备
摘  要:
本文介绍氟噻草胺合成工艺,以水合肼、三氟乙酸为原料合成2-甲砜基-5-三氟甲基-1,3,4-噻二唑;以对氟硝基苯、丙酮经过催化加氢、酰化、醇解合成N-(4-氟苯基[(\))0(-)]N-异丙基-2-羟甲基乙酰胺;及氟噻草胺的制备。
译  名:
Synthesis of a New Herbicide Flufenact
作  者:
Li Yusheng et al. (Jiangsu Pesticide Research Institute, Nanjing 210036)
关键词:
flufenact, synthesie, route, preparation
摘  要:
The article described the synthesis of flufenact,a herbicide. It抯 achieved via condensation of interediates, 2-methylsulfonyl-5-trifluoromethyl-1,3,4thiadiazol and N-(4-fluorophenyl)-2-hydroxy-N-(1-methylethyl)acetamide. The former intermediate is prepared starting from hydrazine hydrate and trifluroracetic acid. The latter is obtained by using 4-nitro-fluorobenzene and acetone as starting materials through a series of reaction, such as catalytic hydrogenation, alcoholysis and amidation.

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