Functionalized azo dyes by direct ullmann coupling
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 2,p. 245-246
- https://doi.org/10.1039/c39950000245
Abstract
A variety of thermally stable 4-(N,N-diarylamino)-4′-nitroazobenzene dyes can be produced by direct copper-mediated C–N bond formation on preformed amino substituted azo dyes, thus avoiding a troublesome azo coupling step; the products are useful chromophores for high temperature nonlinear optical applications.Keywords
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