The synthesis and properties of naphthopyran- boradiazaindacene conjugates

Christopher D. Gabbutt, B. Mark Heron, Colin Kilner, Suresh B. Kolla

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Three new 3,3-diaryl-3H-naphtho[2,1-b]pyran-boradiazaindacene conjugates have been synthesised. The naphthopyran-boradiazaindacene conjugates exhibit a weaker photochromic response relative to the simple naphthopyrans with the photomerocyanines fading relatively quickly. Photochromic switching of the naphthopyran unit results in a decrease in the fluorescence intensity for only the most persistent photomerocyanine. A crystal structure shows that the units are essentially orthogonally disposed and that the boradiazaindacene core is extensively delocalised.

Original languageEnglish
Pages (from-to)175-182
Number of pages8
JournalDyes and Pigments
Issue number2
Publication statusPublished - 1 Aug 2012
Externally publishedYes


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