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除草剂苯磺隆的合成工艺
Synthesis of tribenuron-methyl
【摘要】 由邻甲氧羰基苯磺酰胺和氯甲酸甲酯为起始原料,经过酯化、胺解二步反应合成了苯磺隆,确定了各步反应的较佳工艺条件。总收率为81.3%,原药纯度达96%。该工艺具有原料易得,反应步骤少等特点。
【Abstract】 Tribenuron-methyl was synthesized in a two-step process involving esterification and amide using 2-methoxycarbonyl- sulfamoylbenzoate and methyl chloroformate as starting material.Synthesis condition were optimized for each step.Overall yield reaches 81.3% the product purity was 96%.This process features the advantages of ready availability of reactants and few reaction steps.
【关键词】 邻甲氧羰基苯磺酰胺;
合成;
苯磺隆;
氯甲酸甲酯;
缚酸剂;
【Key words】 2-methoxycarbonyl-sulfamoylbenzoate; synthesis; tribenuronmethyl; methyl chloroformate; acid binding agent;
【Key words】 2-methoxycarbonyl-sulfamoylbenzoate; synthesis; tribenuronmethyl; methyl chloroformate; acid binding agent;
- 【文献出处】 世界农药 ,World Pesticides , 编辑部邮箱 ,2007年02期
- 【分类号】TQ457
- 【下载频次】359