Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction starting with 2-(ethylsulfonyl)acetonitrile and 1,1,3,3-tetramethoxypropane.

• 本文以乙磺酰基乙腈和1,1,3,3-四甲氧基丙烷为起始原料,经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。