Beilstein J. Org. Chem.2024,20, 552–560, doi:10.3762/bjoc.20.47
light and H+ or sequential addition of Fe2+ and AcO− ions.
Keywords: fluorescence; molecular switches; N→Oacylrearrangement; naked eye effect; photochromism; Introduction
Photochromism is defined as the reversible transformation of a molecular entity between different forms, having different
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Graphical Abstract
Scheme 1:
Synthesis of compound 1 and N-acylated compounds 2a–c.