Preparation of 2-methyl-4-amino-5-aminomethylpyrimidine

US6365740B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Hansgeorg Ernst · Speyer, DE
• Matthias Frauenkron · Freinsheim, DE
• Johann-Peter Melder · Schifferstadt, DE
• Frank Funke · Bischofswerda, DE
• Andreas Keller · Speyer, DE

Key dates

• Filing date: Mar 20, 2001
• Grant date: Apr 2, 2002
• Expiry date: Mar 20, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D239/42
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

2-Methyl-4-amino-5-aminomethylpyrimidine of the formula 1 is prepared by reacting 2-methyl-4-amino-5-alkoxymethylpyrimidine of the formula 2 where R=C1-C6-alkyl, with ammonia in the presence of a catalyst.