4-(meth)acrylamidomethyl)-pyrazoles and -isoxazoles, their preparation and their use

US4939268A · kind A · utility

Assignee

• BASF SE

Inventors

• Kaspar Bott · Mannheim, DE
• Bernhard Nick · Ludwigshafen, DE
• Guenther Schulz · Bad Dürkheim, DE

Key dates

• Filing date: Jun 2, 1989
• Grant date: Jul 3, 1990
• Expiry date: Jun 2, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F20/60
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Novel 4-[(meth)acrylamidomethyl]-pyrazoles and -isoxazoles of the general formula ##STR1## where R is hydrogen or methyl, R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 and R.sup.3 may be identical or different and are each alkyl of 1 to 6 carbon atoms or unsubstituted or substituted aryl of 6 to 20 carbon atoms, and X is oxygen or an NR.sup.4 group where R.sup.4 is hydrogen or a radical having the meanings of R.sup.2 or R.sup.3, a process for their preparation, and the use of these compounds in particular for polymerization and the preparation of homopolymers and copolymers, are described.