发明名称 Process for the preparation of methoxyminophenylglyoxylic acid derivatives
摘要 The present invention relates to a process for the preparation of o-chloro-methylphenylmethoximinoglyoxylic acid esters of formula (I), wherein R is C3-C8 alkyl, in which process o-chloromethylphenylglyoxylic acid amide of formula (III) is, in any order or concurrently, a) oximated with O-methylhydroxylamine and b) esterified under acid conditions with an R-OH alcohol, wherein R is C3-C8 alkyl. A process for the preparation of compound (III) is also described, as well as the use of the compounds of formula (I) in the preparation of fungicides.
申请公布号 AU7692796(A) 申请公布日期 1997.06.19
申请号 AU19960076927 申请日期 1996.11.18
申请人 CIBA-GEIGY AG 发明人 JEAN-MARIE ASSERCQ;RICHARD BREITSCHUH;WERNER PFAFF
分类号 C07C231/02;C07C231/06;C07C235/78;C07C249/08;C07C249/12;C07C251/48;C07C251/60 主分类号 C07C231/02
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