Light-sensitive diazotype material with 2-hydroxy-3-naphthoic acid amides having 6-sulfonic acid amide substitution

US4334004A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventor

• Siegfried Scheler · Wiesbaden, DE

Key dates

• Filing date: Mar 16, 1979
• Grant date: Jun 8, 1982
• Expiry date: Mar 16, 1999

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C1/58
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

This invention relates to 2-hydroxy-3-naphthoic acid amides of the general formula: ##STR1## wherein R.sub.1 is hydrogen, a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, or aryl group, and R.sub.2 and R.sub.3 are identical or different and are hydrogen, a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, or aryl group, or, together with the nitrogen atom to which they are attached, a substituted or unsubstituted heterocyclic group.