4-alkyl-2-trifluoromethylanilines

US4749813A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Albrecht Marhold · Leverkusen, DE
• Gerhard Wolfrum · Waldershof, DE

Key dates

• Filing date: Dec 30, 1982
• Grant date: Jun 7, 1988
• Expiry date: Dec 30, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B29/36
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

4-Alkyl-2-trifluoromethylanilines, in particular the 4-isopropyl derivative, are starting materials for preparing valuable azo dyestuffs. While the nonionic dyestuff types can preferably be used in transfer printing synthetic hydrophobic fibre materials, the sulpho-containing dyestuffs--in particular those based on "gamma acid"--are suitable for dyeing polyamides.