Synthesis and Photochromism of Novel Pyridyl Substituted Naphthopyrans

Orlando De Azevedo, Paul Elliott, Christopher Gabbutt, Mark Heron, Kyle J. Lord, Christopher Pullen

Research output: Contribution to journalArticle


Multi-target synthetic strategies to access novel photochromic 3H-naphtho[2,1-b]pyrans decorated with pyridyl units are described. The new pyridyl substituted 3H-naphtho[2,1-b]pyrans display good photochromic properties with the reversible generation of photomerocyanines which exhibit mainly orange/red hues. Photochromic parameters including photocolourability and persistence of colour vary tremendously on structural modification of the naphthopyran core.
Original languageEnglish
Pages (from-to)10772-10796
Number of pages25
JournalJournal of Organic Chemistry
Issue number16
Early online date27 Jul 2020
Publication statusPublished - 21 Aug 2020

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