Disodium 4-Formyl-1,3-benzenedisulfonate wasused in the synthesis of symmetric and asymmetric xanthene dyes which can be used as components pf fluorescence-based sensors for imaging applications. It was also used in the synthesis of oxadiazole-based stilbene optical brighteners which act as ultraviolet radiation protectant for insect baculovirus.
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Zhu, Y., et al.: J. Photoch. Photobio. B., 125, 8 (2013); Hilderbrand, S., et al.: Tetrahedron Lett., 48, 4383 (2007);