Furo-fused BINOL based crown as a fluorescent chiral sensor for enantioselective recognition of phenylethylamine and ethyl ester of valine.
A furo-fused BINOL based chiral crown was developed as an enantioselective chiral sensor for phenylethylamine and ethyl ester of valine. Fusion of furan to BINOL has resulted in a highly stereo-discriminating backbone for the chiral crown developed. This chiral crown exhibited a fluorescence enhancement difference of 2.97 times between two enantiomers of phenylethylamine and 2.55 times between two enantiomers of ethyl ester of valine. The ratio of association constants for two diastereomeric complexes of two enantiomers of phenylethylamine was found to be 11.30, and the ratio for two enantiomers of ethyl ester of valine was 7.02.
Upadhyay
Sunil P
SP
Department of Chemistry, University of Mumbai, Vidyanagari, Kalina, Santacruz (East), Mumbai 400 098, India.
Pissurlenkar
Raghuvir R S
RR
Coutinho
Evans C
EC
Karnik
Anil V
AV
D043844:Crown Ethers / Q000737:chemistry; D004952:Esters; D005456:Fluorescent Dyes / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008958:Models, Molecular; D010627:Phenethylamines / Q000737:chemistry*; D013050:Spectrometry, Fluorescence; D013237:Stereoisomerism; D014633:Valine / Q000737:chemistry*
D043844:Crown Ethers; D004952:Esters; D005456:Fluorescent Dyes; D010627:Phenethylamines; C029261:phenethylamine; D014633:Valine