首页>
外国专利>
Phase-transfer catalysed formation of N-(substituted phenyl) sulfonamides in water
Phase-transfer catalysed formation of N-(substituted phenyl) sulfonamides in water
展开▼
机译:N-(取代苯基)磺酰胺在水中的相转移催化形成
展开▼
页面导航
摘要
著录项
相似文献
摘要
A new process for making agrochemically important N-[2,4-dichloro-5-[4-(difluoro methyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl] phenyl]methanesulfonamide by reacting 1-(5-amino-2,4-dichlorophenyl)-4,5-dihydro-4-difluoromethyl-3-methyl-1,2,4-triazol-5(1H)-one and methanesulfonyl chloride in water using an inorganic base to dynamically control the reaction pH and in the presence of a phase transfer catalyst suspended in an 1:1 aromatic solution.
展开▼