The invention relates to a method for preparing m-ethylacetophenone by biomimetic catalytic oxidation of m-diethylbenzene with oxygen, comprising the following steps: taking m-diethylbenzene as the raw material, selecting any one of 1-30ppm of mononuclear metalloporphyrin and mu-oxo-dinuclear ...
5-(2-chloro-4-trifluorom ethylphenoxy)-2-nitro-.alpha.-substituted-acetophenone, oxime derivative thereof, herbicidal composition, and method for the destruction of undesirable weedsYoshiharu HayashiTeruyuki Misumi