Yang Chun
2000
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0
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Journal
Journal of Gansu Education College
Abstract
Ethyl phenoxyacetate(Ⅰ) has been synthesised by the reaction of phenol with ethyl chloroacetate under the condition of solid-liquid phase transfer catalysis using PEG-400 as the catalyst.(Ⅰ) reacts with 85% hydrazine thdrate to give the corresponding acyl hydrazide(Ⅱ),(Ⅱ)reacts with acetylacetone or 4,4,4-trifluoro-1-(2-thienyl)-1,3-butane dione to yield 1-phenoxyacetyl-3,5-dimethyl-pyrazole(Ⅲ) or 1-phenoxyacetyl-3-trifluoromethyl-5-(2-thienyl)-pyrazole(Ⅳ),respectivily.