Tuning the Activation Wavelength of Photochromic Oxazines

Subramani Swaminathan, Jaume Garcia-Amorós, Ek Raj Thapaliya, Santi Nonell, Burjor Captain, Françisco M. Raymo

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The activation wavelength of a photochromic oxazine can be shifted bathochromically with the introduction of a methoxy substituent on the chromophore responsible for initiating the photochemical transformation. This structural modification permits switching under mild illumination conditions, enhances the photoisomerization quantum yield and ensures outstanding fatigue resistance. Thus, these results can guide the design of new members of this family of photoresponsive molecular switches with improved photochemical and photophysical properties.

Original languageEnglish
Pages (from-to)1852-1859
Number of pages8
StatePublished - 17 Jun 2016
Externally publishedYes


  • heterocycles
  • isomerization
  • molecular switches
  • oxazines
  • photochromism


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