Method for the production of 1-amino-3-phenyluracil derivatives

US7034156B2 · kind B2 · utility

Assignee

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

• Jörn Stölting · Recklinghausen, DE
• Dorothee Hoischen · Monheim, DE
• Roland Andree · Langenfeld, DE
• Karl-Heinz Linker · Leverkusen, DE
• Holger Weintritt · Langenfeld, DE
• Heinz-Jurgen Wroblowsky · Langenfeld, DE

Key dates

• Filing date: Apr 25, 2002
• Grant date: Apr 25, 2006
• Expiry date: Apr 4, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D239/54
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a novel process for preparing known 1-amino-3-phenyluracil derivatives, to novel 1-amino-6-hydroxy-3-phenyldihydro-2,4(1H,3H)pyrimidinedione derivatives of the formula (II) in which