| 摘要 |
Compounds of the formula <IMAGE> (II) in which: n is 0, 1 or 2, and, if n is 2, the two radicals R3 are identical or different; R2 is methyl, fluorine, chlorine or bromine; R3 is C1-C3-alkyl, halo-C1-C3alkyl, C1-C3alkoxy, halo-C1-C3alkoxy, fluorine, chlorine or bromine: R5 is hydrogen or C1-C9alkyl and X is methylene, O, S or C(=O): can be used as intermediates for agrochemical active ingredients.
|
