Novel a-amino-phenylacetic acid derivatives having the formula:
wherein R, R,, R2, R3, R4 and Ar have the signification given in the description, e.g. the compound of the formula
can be prepared by hydrolyzing or alcoholyzing and derivative of an a-aminophenylaceticacid. They are useful as herbicidal, algicidal and plant growth regulating agents.
具有以下式子的新型 a-
氨基
苯乙酸衍
生物: 其中 R、R、R2、R3、R4 和 Ar 具有说明中给出的含义,例如,式中化合物可通过
水解或醇化 a-
氨基
苯乙酸的衍
生物来制备。 它们可用作
除草剂、杀藻剂和
植物生长调节剂。