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Chemical communications (Cambridge, England)

Chirality sensing by a fluorescent binaphthocrown ether-polythiophene conjugate.


PMID 22167253

Abstract

Chiral recognition abilities of the title host for (R)- and (S)-α-methyl-4-nitrobenzylamine were examined in the ground and excited states to give a relative affinity (K(R)/K(S)) of 2.16 by spectral titration and a relative rate constant (k(R)/k(S)) of 2.23 by fluorescence quenching, revealing that the quenching process is static and not enantiodifferentiating.

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191434
4-Nitrobenzylamine hydrochloride, 97%
C7H8N2O2 · HCl