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Recognition of 1-phenylethylamine enantiomers by thin solid films of inherently chiral calix[4]arene
Chirality ( IF 2.8 ) Pub Date : 2021-08-12 , DOI: 10.1002/chir.23351 Zoya I Kazantseva 1 , Igor A Koshets 1 , Oleksandr O Trybrat 2 , Oleksandr A Yesypenko 2 , Vitali I Kalchenko 2
Chirality ( IF 2.8 ) Pub Date : 2021-08-12 , DOI: 10.1002/chir.23351 Zoya I Kazantseva 1 , Igor A Koshets 1 , Oleksandr O Trybrat 2 , Oleksandr A Yesypenko 2 , Vitali I Kalchenko 2
Affiliation
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The enantiodiscrimination properties of stereomerically pure inherently chiral calix[4]arene acetic acids, as well as their esters and amides in relation to 1-phenylethylamine stereoisomers in liquid and gaseous phases were studied by means of proton magnetic resonance spectroscopy (1H NMR) and quartz crystal microbalance (QCM) techniques. Series of QCM sensors with thin films of inherently chiral calix[4]arenes, immobilized on the quartz resonator surfaces by spin-coating and spreading drop methods have been fabricated. It was shown that sensors based on calix[4]arene acetic acids are able to recognize R- and S-forms of 1-phenylethylamine in gaseous phase under concentration level of 10–400 ppm.
中文翻译：
通过固有手性杯[4]芳烃的薄固体膜识别1-苯乙胺对映体
通过质子磁共振波谱 ( 1 H NMR)研究了立体纯的本征手性杯[4]芳烃乙酸及其酯和酰胺与液相和气相中的 1-苯乙胺立体异构体的对映体区分特性。石英晶体微量天平 (QCM) 技术。已经制造了一系列具有固有手性杯[4]芳烃薄膜的 QCM 传感器，通过旋涂和扩散滴法固定在石英谐振器表面上。结果表明，基于杯[4]芳烃乙酸的传感器能够在 10-400 ppm 的浓度水平下识别气相中的R - 和S -形式的 1-苯乙胺。
更新日期：2021-09-17
中文翻译：
通过固有手性杯[4]芳烃的薄固体膜识别1-苯乙胺对映体
通过质子磁共振波谱 ( 1 H NMR)研究了立体纯的本征手性杯[4]芳烃乙酸及其酯和酰胺与液相和气相中的 1-苯乙胺立体异构体的对映体区分特性。石英晶体微量天平 (QCM) 技术。已经制造了一系列具有固有手性杯[4]芳烃薄膜的 QCM 传感器，通过旋涂和扩散滴法固定在石英谐振器表面上。结果表明，基于杯[4]芳烃乙酸的传感器能够在 10-400 ppm 的浓度水平下识别气相中的R - 和S -形式的 1-苯乙胺。
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