Process for preparing N-substituted hydroxylamines and salts thereof

US6559340B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Dockner
• Wolfgang Eymann · Neunburg vorm Wald, DE
• Bernd-Michael Konig · Düsseldorf, DE
• Helmut Holzem · Recklinghausen, DE

Key dates

• Filing date: Dec 7, 2001
• Grant date: May 6, 2003
• Expiry date: Dec 7, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C239/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

This invention relates to a process for preparing N-substituted hydroxylamines from N-substituted aryl- or heteroaryloxaziridines by acid hydrolysis and isolation of the N-substituted hydroxylamines in the form of their salts.