2,6-二氯喹喔啉是可防除一年生或多年生禾本科杂草的高效除草剂禾草克的重要中间体。该化合物的合成国外已有报道 ,Crowther提出用 4-氯邻硝基苯胺和 α-氯乙酸乙酯为原料经缩合、还原成环、芳构化和 2位的羟基氯代的 4步合成法[1] ;Gozyo用 2 -羰基喹喔啉的选择性氯化反应来制 2,6-Dichloroquinoxaline is an important intermediate for the control of annual herbicides or perennial weeds, herbicides and herbicides. The synthesis of this compound has been reported in foreign countries. Crowther proposed a 4-step synthesis method using condensation of 4-chloro-o-nitroaniline and ethyl α-chloroacetate as starting materials, reduction to ring, aromatization and hydroxychloro [1]; Gozyo with 2 - carbonyl quinoxaline selective chlorination reaction system