2-(arylimino-methyl)-3-dialkylaminoacrylonitriles, a process for their preparation and their use

US5629441A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Helmut Kraus · Cologne, DE
• Horst Behre · Odenthal, DE
• Helmut Fiege · Leverkusen, DE

Key dates

• Filing date: Aug 11, 1995
• Grant date: May 13, 1997
• Expiry date: Aug 11, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C255/61
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

2-(Arylimino-methyl)-3-dialkylaminoacrylonitriles can be obtained by reaction of .beta.-anilino-acrylonitriles with ortho-formamides. They are suitable as starting substances for the preparation of 4-amino-5-iminiummethylene-2-pyrimidines or 4-amino-5-formyl-2-pyrimidines.