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Synfacts 2008(6): 0586-0586  
DOI: 10.1055/s-2008-1067054
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York

Dyes with Double Color Modulation

Contributor(s): Timothy M. Swager, Jeewoo Lim
C. D. Gabbutt, B. M. Heron*, S. B. Kolla, M. Mcgivern
The University of Leeds, UK
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Publication History

Publication Date:
21 May 2008 (online)

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Significance

Naphthopyrans are used as dyes in plastic photochromic devices such as lenses that darken in sunlight. The authors report naphthopyran-triarylmethine hybrids which show photochromic response and pH-dependent color change.