发明授权
US5714616A Thiazolemethine dyes 失效
噻唑甲染料

Thiazolemethine dyes
摘要:
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, 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 Y is a radical of the aniline, aminonaphthalene, indole, aminoquinoline, aminothiazole or aminothiophene series, the use thereof in nonlinear optics, and novel thiazole derivatives.
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