| abstract |
The invention relates to a process for the preparation of methoxyiminocarboxylic acid methylmethylamides of formula X being nitro, trifluoromethyl, halogen, C1-C4-alkyl or C1-C4-alkoxy, n being 0, 1, 2, 3 or 4 and Y is C-organic residue, by reaction on a Pinner reaction of cyanoketons formula alcohol and subsequent reaction of the reaction obtained on a Pinner ester of formula (a) with hydroxylamine to give an oxime of formulas and methylation of the compound of formula V to give an oximeter of formulas and subsequent reaction compound o of formula VI with methylamine. |