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Introduction of an electron push-pull system yields a planar Red Kaede fluorescence protein chromophore analogue stabilized by a C = O…π interaction / created by Ashish Singh, Basanta Kumar Rajbongshi and Gurunath Ramanathan

By: Contributor(s): Material type: TextTextSeries: Journal of chemical sciences ; Volume 127, number 5,Bangalore : Springer, 2015Content type:
  • text
Media type:
  • unmediated
Carrier type:
  • volume
ISSN:
  • 09743626
Subject(s): LOC classification:
  • QD31 JOU
Online resources: Abstract: Crystal structures of four red kaede fluorescence protein chromophore analogues are reported here. Molecules I-III adopt a non-planar geometry stabilized by π…π stacking and hydrogen bonding. Introduction of an electron push-pull system induces molecule IV to be planar and a C = O…π supramolecular interaction is observed as well. Strong electron withdrawing and donating groups also ensure formation of a higher order two and three dimensional supramolecular architecture through hydrogen bonds in molecules I and IV. All the analogues exhibit good photoluminescence properties and emit in the red region with excellent quantum yields.
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Journal Article Journal Article Main Library - Special Collections QD31 JOU (Browse shelf(Opens below)) Vol. 127, no.5 (pages 941-948) Not for loan For in house use only

Crystal structures of four red kaede fluorescence protein chromophore analogues are reported here. Molecules I-III adopt a non-planar geometry stabilized by π…π stacking and hydrogen bonding. Introduction of an electron push-pull system induces molecule IV to be planar and a C = O…π supramolecular interaction is observed as well. Strong electron withdrawing and donating groups also ensure formation of a higher order two and three dimensional supramolecular architecture through hydrogen bonds in molecules I and IV. All the analogues exhibit good photoluminescence properties and emit in the red region with excellent quantum yields.

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