Patent ID: 6031130
Filing Date: 2000-02-29
Classification: C07C

Abstract:
A method for preparing an N,N-disubstituted hydroxylamine compound represented by formula (II): HO--N(R.sup.1)(R.sup.2) wherein R.sup.1 and R.sup.2 may be the same or different, and independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aromatic heterocyclic group, which comprises the step of adding a rhenium catalyst and aqueous hydrogen peroxide to a mixture containing a secondary amine compound represented by formula (I): HN(R.sup.1)(R.sup.2) wherein R.sup.1 and R.sup.2 have the same meanings as those defined above and a dehydrating agent.