Stanisław Kostanecki (born 16 April 1860 in Myszaków, now in Poland then Kingdom of Prussia – 15 November 1910 in Würzburg) was a Polish organic chemist, professor who pioneered in vegetable dye chemistry e.g. curcumin. Known for Kostanecki acylation name reactions.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Stanis%C5%82aw_Kostanecki_%28-1910%29.jpg/220px-Stanis%C5%82aw_Kostanecki_%28-1910%29.jpg)
In 1896, he developed the theory of dyes and studied the natural vegetable dyes. Among his many students were scientists Kazimierz Funk and Wiktor Lampe.
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