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022 _a09743626
040 _aMSU
_bEnglish
_cMSU
_erda
050 0 0 _aQD31 JOU
100 1 _aSingh, Ashish
_eauthor
245 1 0 _aIntroduction of an electron push-pull system yields a planar Red Kaede fluorescence protein chromophore analogue stabilized by a C = O…π interaction /
_ccreated by Ashish Singh, Basanta Kumar Rajbongshi and Gurunath Ramanathan
264 1 _aBangalore :
_bSpringer,
_c2015.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of chemical sciences
_vVolume 127, number 5,
520 3 _aCrystal 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.
650 _aImidazolin-5-one
_vRFP chromophore
_xC = O…π stacking
700 1 _aRajbongshi, Basanta Kumar
_eco author
700 1 _aRamanathan, Gurunath
_eco author
856 _uhttps://doi.org/10.1007/s12039-015-0855-5
942 _2lcc
_cJA
999 _c169341
_d169341