JOURNAL ARTICLE

Fluorenylidene-pyrroline biomimetic light-driven molecular switches

Laura Rivado-Casas, Diego Sampedro, Pedro J Campos, Stefania Fusi, Vinicio Zanirato, Massimo Olivucci
Journal of Organic Chemistry 2009 July 3, 74 (13): 4666-74
19485347
A new family of biomimetic photoactivated molecular switches based in the retinal chromophore is described. Expedient synthesis allows a library of compounds with a different substitution pattern, including chiral substituents, to be obtained. The effect of substitution, solvent, and light source on the photoisomerization step has been assessed. The absorption maximum has been red-shifted ca. 50 nm with respect to related systems and rotation is now easily achieved by using visible light.

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