The invention provides novel insecticidally useful fluorinated ethers of formula :
where Ar and Y are both substituted aryl groups, Z is a lower fluoroalkyl group (eg. trifluoromethyl), X' is hydrogen and X is hydrogen, halo, hydroxy, alkoxy or acyloxy, as well as the compounds where X and X' form a second bond between the adjacent carbon atoms. A typical example is 1,1,1-trifluoro-2-(4-ethoxyphenyl)-3-(4-fluoro-3-phenoxybenzyloxy)propane. The invention also provides novel intermediates for the preparation of the compounds including those of formulae ArCH(CF3)CH2OH, ArC(OH)(CF3)CH2OH, ArC(OH) (CF3)CH2Hal and
本发明提供了具有杀虫作用的新型
氟化醚,其式为...:
其中Ar和Y均为取代的芳基,Z为低级
氟烷基(如三
氟甲基),X'为
氢,X为
氢、卤代、羟基、烷
氧基或酰
氧基,以及X和X'在相邻
碳原子之间形成第二键的化合物。一个典型的例子是 1,1,1-三
氟-2-(4-乙
氧基
苯基)-3-(4-
氟-3-
苯氧基苄
氧基)
丙烷。本发明还提供了制备上述化合物的新型
中间体,包括 ArCH(
CF3)CH2OH、ArC(OH)( )CH2OH、ArC(OH) ( )CH2Hal 和 ArC(OH) ( )CH2Hal 式中的化合物。