OXIME ETHER ACETATE COMPOUND, PREPARATION METHOD THEREFOR AND WEEDING APPLICATION THEREOF
申请人:ZHEJIANG UNIVERSITY OF TECHNOLOGY
公开号:US20170001961A1
公开(公告)日:2017-01-05
The present invention discloses an oxime ether acetate compound containing a phenylpyridine moiety of formula (I), whose preparation method is as follows: (1) mixing a compound of formula (IV), a compound of formula (V), an alkaline substance A, a palladium catalyst and a solvent A; subjecting the mixture to a reaction at the temperature ranging from −10° C. to the reflux temperature for 0.5-20 hours to obtain a reaction solution A; post-treating the solution A to obtain a compound of formula (II); (2) mixing the compound of formula (II), an alkaline substance B, a phase transfer catalyst and a solvent B; subjecting the mixture to a reaction at the temperature ranging from −10° C. to the reflux temperature for 0.1-2 hours; then adding a compound of formula (III), continuing to react at the temperature ranging from −10° C. to the reflux temperature for 0.5-20 hours to obtain a reaction solution B; and post-treating the solution B to obtain the compound of formula (I). The oxime ether acetate compound containing a phenylpyridine moiety of formula (I) can be used for weeding in crops.
本发明公开了一种含有式(I)的苯基吡啶基团的肟醚醋酸酯化合物,其制备方法如下:(1)混合式(IV)的化合物,式(V)的化合物,碱性物质A,钯催化剂和溶剂A;将混合物在温度范围为-10°C至沸点温度下反应0.5-20小时,得到反应溶液A;对溶液A进行后处理,得到式(II)的化合物;(2)混合式(II)的化合物,碱性物质B,相转移催化剂和溶剂B;将混合物在温度范围为-10°C至沸点温度下反应0.1-2小时;然后加入式(III)的化合物,继续在温度范围为-10°C至沸点温度下反应0.5-20小时,得到反应溶液B;对溶液B进行后处理,得到式(I)的化合物。含有式(I)的苯基吡啶基团的肟醚醋酸酯化合物可用于农作物除草。