Add time:09/26/2019         Source:sciencedirect.com

Anthraquinone (AQ) derivatives are the largest group of natural quinones. Other natural quinones are naphthoquinones and benzoquinones. AQs also constitute the largest group of natural pigments with about 700 compounds described. AQ 1 as a building block of many dyes is attractive because of its superior stability and light-fastness properties. Synthetic dyes such as alizarin are often derived from 9,10-anthraquinone (Bien et al., 2000) [1]. Important derivatives include 1-nitroanthraquinone, anthraquinone-1-sulfonic acid, and dinitroanthraquinone (Vogel, 2000) [2]. The potential of AQs to inhibit or prevent fungal and bacterial growth are two interesting biological properties, but many other properties are attributed to them, such as antioxidant, anticancer, antiinflammatory, laxative, and many others. This chapter describes some synthetic AQ dyes.

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