A facile synthesis of novel optically active R,R-2-(4-(2-(4-(5-chloro-3-halo-pyridin-2-yloxy)-phenoxy)-propionyloxy)-phenoxy)-propionic acid esters using cyanuric chloride as potential herbicide  

作　　者：Hassan Tajik Akbar Dadras Shokufeh Aghabeygi 

机构地区：[1]Department of Chemistry,Faculty of Sciences,University of Guilan,P.O.Box 41335-1914,Rasht,Iran [2]Department of Chemistry Islamic Azad University,East Tehran Branch,P.O.Box 33955-163,Qiamdasht,Iran

出　　处：《Chinese Chemical Letters》2011年第5期535-538,共4页中国化学快报（英文版）

摘　　要：A facile method for the synthesis of a new series of R,R-2-（4-（2-（4-（5-chloro-3-halopyridin-2-yloxy）-phenoxy）-propionyloxy）-phenoxy） -propionic acid ester derivatives containing a halo-substituted pyridine carrying two R,R chiral centers from（R）-2-（4- hydroxyphenoxy）propionic acid,halopyridines and alcohols using base/cyanuric chloride/catalyst system is reported.Their herbicidal activities against grass weeds and crops selectivity were evaluated.A facile method for the synthesis of a new series of R,R-2-（4-（2-（4-（5-chloro-3-halopyridin-2-yloxy）-phenoxy）-propionyloxy）-phenoxy） -propionic acid ester derivatives containing a halo-substituted pyridine carrying two R,R chiral centers from（R）-2-（4- hydroxyphenoxy）propionic acid,halopyridines and alcohols using base/cyanuric chloride/catalyst system is reported.Their herbicidal activities against grass weeds and crops selectivity were evaluated.

关 键 词：Aryloxyphenoxypropionic acid Chiral herbicide Cyanuric chloride ESTERS R R-Diastereomer 

分 类 号：TQ457.2[化学工程—农药化工]