Method for producing N-methyl-N′-nitroguanidine

US6720451B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Kai van Laak · Recklinghausen, DE
• Wolfram Sirges · Düsseldorf, DE

Key dates

• Filing date: Jul 9, 2002
• Grant date: Apr 13, 2004
• Expiry date: Aug 2, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C277/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a novel process for the preparation of N-methyl-N′-nitroguanidine by reacting nitroguanidine with aqueous methylamine solution buffered by the addition of inorganic or organic acids.