The invention relates to 4-imino-oxazolidine-2-one derivatives represented by the general formula (1):
and a process for producing said compounds by reacting aryl isocyanates of the general formula (2):
with methacrolein cyanohydrin in the presence of a base, as well as a herbicide containing said compounds as an active ingredient; it also relates to a process for producing oxazolidinedione derivatives useful as herbicides by hydrolyzing said compounds.
本发明涉及通式(1)所代表的 4-亚
氨基
恶唑烷-2-酮衍
生物:
以及通过与通式(2)的芳基
异氰酸酯反应生产上述化合物的工艺:
与甲基
丙烯醛氰醇在碱存在下反应而制得上述化合物的工艺,以及含有上述化合物作为活性成分的
除草剂;还涉及通过
水解上述化合物而制得可用作
除草剂的
噁唑烷二酮衍
生物的工艺。