Intramolecular [4 + 4] photocycloaddition reactions of the photochromic compounds, 3,4-bis(9-anthrylmethylene)tetrahydrofuran-2,5-dione and its 5-dicyanomethylene derivative
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 4,p. 479-480
- https://doi.org/10.1039/c39950000479
Abstract
The red and the purple photochromic title compounds undergo intramolecular [4 + 4] photocycloaddition reactions on irradiation with white light to form pale yellow and colourless adducts, respectively, which undergo the reverse reactions thermally or on exposure to ultraviolet light.Keywords
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