【摘要】 苯磺隆是一种重要的磺酰脲类旱田除草剂,是我国麦田防除阔叶杂草的当家品种。综述了苯磺隆及其关键中间体的主要生产工艺,并对各生产工艺在收率、质量、成本、安全环保等方面进行了比较和评价,指出了以邻甲酸甲酯苯磺酰氯、乙腈和氰酸钠为原料的工艺是苯磺隆的最佳生产工艺。更多还原

【Abstract】 Tribenuron-methyl is an important sulfonylurea herbicide controlling broad leaved weed used in wheat field in China. The processes for preparation of tribenuron-methyl and its key intermediates were reviewed. Comparing the yield,quality,cost,safety and environmental protection and other aspects,the best production process of tribenuron-methyl is to use the methyl 2-(chlorosulfonyl)benzoate and sodium cyanate as raw materials.更多还原