The first structural and spectroscopic characterisation of a ring-opened form of a 2H-naphtho[1,2-b]pyran: a novel photomerocyanine

Stuart Aiken, Kathryn Booth, Christopher D. Gabbutt, Mark Heron, Craig R. Rice, Azzam Charaf-eddin, Denis Jacquemin

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Heating 4-methoxy-1-naphthol with a 1,1-diarylprop-2-yn-1-ol gave the 2,2-diaryl-6-methoxy-2H-naphtho[1,2-b]pyran together with the novel merocyanine, (E)-2-[3′,3′-bis(aryl)allylidene]-4-methoxynaphthalen-1(2H)-one. Brief UV-irradiation of the pyran favoured the formation of the (Z)-merocyanine with longer irradiation and/or acidic conditions favouring the (E)-isomer.
Original languageEnglish
Pages (from-to)7900-7903
JournalChemical Communications
Volume50
Issue number58
DOIs
Publication statusPublished - 25 Jul 2014

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