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 MX9804264(A) 申请公布日期 1998.09.30
申请号 MX19980004264 申请日期 1998.05.28
申请人 NOVARTIS AG. 发明人 JENA-MARIE ASSERCO;RICHARD BREITSCHUH;WERNER PFAFF
分类号 C07C231/02;C07C231/06;C07C235/78;C07C249/08;C07C249/12;C07C251/48;C07C251/60;(IPC1-7):C07C249/08 主分类号 C07C231/02
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