Novel stilbene compounds: process for their manufacture and their use as optical brighteners

US4323675A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Helmut Eckes · Eppstein, DE
• Rudiger Erckel · Eppstein, DE
• Thomas Martini · Bad Soden am Taunus, DE
• Gunter Rosch · Bad Soden am Taunus, DE

Key dates

• Filing date: Jun 25, 1980
• Grant date: Apr 6, 1982
• Expiry date: Jun 25, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D249/24
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Triazolyl stilbene compounds of the formula ##STR1## wherein A is a benzene or naphthalene ring optionally substituted by non-chromophoric substituents and B is a substituted 1,2,4-oxdiazole (3) or 1,3,5-oxdiazole (2) group, as well as a procedure for their manufacture and their use as optical brighteners.