Thiazolemethine dyes

US5714616A · kind A · utility

Assignee

• BASF SE

Inventors

• Stefan Beckmann · Mannheim, DE
• Karl-Heinz Etzbach · Bischofswerda, DE
• Rudiger Sens · Ludwigshafen, DE

Key dates

• Filing date: Oct 24, 1996
• Grant date: Feb 3, 1998
• Expiry date: Oct 24, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B23/0091
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Methine dyes of the formula I ##STR1## where R is hydrogen, unsubstituted or substituted C.sub.1 -C.sub.10 -alkyl or unsubstituted or substituted phenyl, PA1 X is nitrogen or a radical of the formula CQ.sup.1, CH.dbd.CQ.sup.1 --CH, CH.dbd.CH--CH.dbd.CH--CH, ##STR2## where Q.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, chlorine or bromine and Q.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, and PA1 Y is a radical of the aniline, aminonaphthalene, indole, aminoquinoline, aminothiazole or aminothiophene series, the use thereof in nonlinear optics, and novel thiazole derivatives.