The phenoxy carboxylic acid derivatives have important bioactivities,extensive application,and the research values in the agriculture,forestry,and environment.It is a very important target to obtain more compounds wit...The phenoxy carboxylic acid derivatives have important bioactivities,extensive application,and the research values in the agriculture,forestry,and environment.It is a very important target to obtain more compounds with higher effect,wider application,better selectivity,and lower toxicity.This article concentrates on the synthesis of the phenoxy carboxylic acid derivatives.The five phenoxy carboxylic acid derivatives herbicides have been designed and synthesized.Three of them were reported for the first time and their structures have been confirmed by^1H NMR,MS and IR.展开更多
Reduction of halogenated dinitro-triphenyl ethers over Fe-HCl gave halogenated diamino-triphenyl ethers in 77.0-94.0%.The reaction were fast and easy to operate while water was used as a proton-donator and ethanol was...Reduction of halogenated dinitro-triphenyl ethers over Fe-HCl gave halogenated diamino-triphenyl ethers in 77.0-94.0%.The reaction were fast and easy to operate while water was used as a proton-donator and ethanol was used as a solvent.展开更多
The amino diphenyl ethers were wildly used in many fields.We synthesized a series of amino diphenyl ethers by reduction nitro-diphenyl ethers using Na2S as their reducer.In this article we discussed the reaction condi...The amino diphenyl ethers were wildly used in many fields.We synthesized a series of amino diphenyl ethers by reduction nitro-diphenyl ethers using Na2S as their reducer.In this article we discussed the reaction condition and the effects.展开更多
文摘The phenoxy carboxylic acid derivatives have important bioactivities,extensive application,and the research values in the agriculture,forestry,and environment.It is a very important target to obtain more compounds with higher effect,wider application,better selectivity,and lower toxicity.This article concentrates on the synthesis of the phenoxy carboxylic acid derivatives.The five phenoxy carboxylic acid derivatives herbicides have been designed and synthesized.Three of them were reported for the first time and their structures have been confirmed by^1H NMR,MS and IR.
文摘Reduction of halogenated dinitro-triphenyl ethers over Fe-HCl gave halogenated diamino-triphenyl ethers in 77.0-94.0%.The reaction were fast and easy to operate while water was used as a proton-donator and ethanol was used as a solvent.
文摘The amino diphenyl ethers were wildly used in many fields.We synthesized a series of amino diphenyl ethers by reduction nitro-diphenyl ethers using Na2S as their reducer.In this article we discussed the reaction condition and the effects.
