There is provided o-nitrophenyl cyclopropyl ketone, a key intermediate in the manufacture of the crop-selective, herbicidal agent 1-[o-(cyclopropylcarbonyl)phenyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidiny l)urea and a method for the preparation of said ketone from dihydro-3-acetyl-2(3H)-furanone and o-nitrobenzoyl halide.
提供了o-
硝基苯基环丙基酮,这是制造作物选择性
除草剂1-[o-(环丙基甲酰)苯基]
磺胺基}-3-(4,6-二甲氧基-2-
嘧啶基)
脲的关键中间体,并提供了一种从二氢-3-乙酰基-2(3H)-
呋喃酮和o-
硝基苯甲
酰卤制备该酮的方法。