Abstract
Properties of 1,2-bis-(4-[(E)-2-quinoline-2-vinyl)phenoxymethyl)benzene, a bis(styrylquinoline) dyad SoS, in which two styrylquinoline fragments (SQ) are linked by o-xylylene bridge, have been investigated. Photoisomerization of the SQ fragment in the bichromophoric dyad occurs as efficiently as in the monochromophoric model compound 2-(4-methoxystyryl)quinoline MeSQ. Along with photoisomerization, [2 + 2]-photocycloaddition occurs affording tetrasubstituted cyclobutane. According to the quantumchemical DFT calculations, this reaction is assisted by preorganizing action of o-xylylene group orienting the two SQ fragments in the dyad in the head-to-head position.
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Original Russian Text © M.F. Budyka, T.N. Gavrishova, N.I. Potashova, O.V. Chashchikhin, 2015, published in Khimiya Vysokikh Energii, 2015, Vol. 49, No. 4, pp. 269–275.
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Budyka, M.F., Gavrishova, T.N., Potashova, N.I. et al. Spectral and photochemical properties of bis(styrylquinoline) dyad with o-xylylene bridge. High Energy Chem 49, 237–242 (2015). https://doi.org/10.1134/S0018143915040049
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DOI: https://doi.org/10.1134/S0018143915040049