Process for preparing substituted N-phenylhydroxylamines

摘要

The present invention relates to a process for the preparation of 2-[[[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy]methyl]phenyl]-hydroxylamine from the correspondingly substituted nitrobenzene compound.

主权项

1. A process for the preparation of a substituted N-phenylhydroxylamine of formula (I) comprising reducing a correspondingly substituted nitrobenzene compound of formula (II), wherein the reaction is carried out by reacting the compound of formula (II) with hydrogen or hydrazine in the presence of a rhodium catalyst.