Regio and optical isomers of imidazolinyl toluic acids, esters and salts, having the following structural formula:
wherein
R is hydrogen, methyl, a salt-forming cation of an alkali metal, ammonium or aliphatic ammonium, and the aromatic acid methyl is meta and/or para to the -COOR- substituent; and the acid-addition salts, except when R is a salt-forming cation., method for their preparation and methods for selectively controlling undesirable plant species therewith.
具有以下结构式的
咪唑啉基
甲苯酸、酯和盐的区域异构体和光学异构体:其中R是氢、甲基、碱
金属的成盐阳离子、
铵或脂肪族
铵,
芳香酸甲基是-COOR-取代基的元和/或对位;以及酸加成盐,但R是成盐阳离子时除外。 它们的制备方法和用其选择性控制不良植物物种的方法。