Process for producing (2-nitro-phenyl)acetonirtile...

Details Process for producing (2-nitro-phenyl)acetonirtile... Process for producing (2-nitro-phenyl)acetonirtile...

C - Chemistry, Metallurgy

07

C

C07C 253/00 (2006.01) C07C 205/44 (2006.01) C07C 205/61 (2006.01) C07C 217/48 (2006.01) C07C 229/38 (2006.01) C07C 249/04 (2006.01) C07C 251/40 (2006.01) C07C 255/37 (2006.01) C07C 255/41 (2006.01) C07D 207/08 (2006.01)

Patent

CA 2463232

A process for producing a compound represented by the formula [IV] which comprises the steps (1) to (3): a step in which a compound represented by the formula [I] is reacted with either a compound represented by the formula [VI] or a mixture of the compound represented by the formula [VII] and a compound represented by the formula [VIII] to obtain a compound represented by the formula [IX], which is hydrolyzed under acid conditions to form a compound represented by the formula [II]; a step in which the compound represented by the formula [II] is reacted with a hydroxylamine to obtain a compound represented by the formula [III]; and a step in which the compound represented by the formula [III] is dehydrated to obtain the compound represented by the formula [IV].

L'invention porte sur un procédé de production d'un composé de formule (IV) comportant les étapes suivantes: (i) réaction du composé de formule (I) soit avec le composé de formule (VI), soit avec le mélange d'un composé de formule (VII) et d'un composé de formule (VIII) pour obtenir un composé de formule (IX) qui est hydrolysé dans des conditions acides pour donner le composé de formule (II); (ii) réaction du composé de formule (II) avec une hydroxylamine pour donner le composé de formule (III); et (iii) déshydratation du composé de formule (III) pour donner le composé de formule (IV).

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