4-t-Butylbenzylation of carboxylic acid for GC–MS analysis

Abstract We report a 4-t-butylbenzyl derivatization for the analysis of carboxylic acids by GC–MS (EI). Carboxylic acids were analyzed as a 4-t-butylbenzyl ester after the derivatization with 4-t-butylbenzyl bromide. On the mass spectra of 4-t-butylbenzyl ester, [M-15]+ ions were observed with high...

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Main Authors: Shinji Tsunoi, Nao Yamamoto, Tomohiro Yasuhisa, Riko Akehi, Itaru Suzuki, Ikuya Shibata
Format: Article
Language:English
Published: Springer 2020-04-01
Series:SN Applied Sciences
Subjects:
Online Access:https://doi.org/10.1007/s42452-020-2646-y
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author Shinji Tsunoi
Nao Yamamoto
Tomohiro Yasuhisa
Riko Akehi
Itaru Suzuki
Ikuya Shibata
author_facet Shinji Tsunoi
Nao Yamamoto
Tomohiro Yasuhisa
Riko Akehi
Itaru Suzuki
Ikuya Shibata
author_sort Shinji Tsunoi
collection DOAJ
description Abstract We report a 4-t-butylbenzyl derivatization for the analysis of carboxylic acids by GC–MS (EI). Carboxylic acids were analyzed as a 4-t-butylbenzyl ester after the derivatization with 4-t-butylbenzyl bromide. On the mass spectra of 4-t-butylbenzyl ester, [M-15]+ ions were observed with high intensity. These ions were tertiary benzyl cations generated by the elimination of a methyl radical from molecular ions. After optimization of the 4-t-butylbenzyl derivatization conditions using microwave reactor, we established a method for the determination of the carboxylic acids in water samples. The method showed good sensitivity and good reproducibility, and was successfully applied to the analysis of rain water samples.
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spelling doaj.art-6d0a482ac13f43ce9bf4e49bae69bcdf2022-12-21T22:39:58ZengSpringerSN Applied Sciences2523-39632523-39712020-04-01251910.1007/s42452-020-2646-y4-t-Butylbenzylation of carboxylic acid for GC–MS analysisShinji Tsunoi0Nao Yamamoto1Tomohiro Yasuhisa2Riko Akehi3Itaru Suzuki4Ikuya Shibata5Research Center for Environmental Preservation, Osaka UniversityResearch Center for Environmental Preservation, Osaka UniversityResearch Center for Environmental Preservation, Osaka UniversityOsaka University SEEDS Program, Center for Education in Liberal Arts and Sciences, Osaka UniversityResearch Center for Environmental Preservation, Osaka UniversityResearch Center for Environmental Preservation, Osaka UniversityAbstract We report a 4-t-butylbenzyl derivatization for the analysis of carboxylic acids by GC–MS (EI). Carboxylic acids were analyzed as a 4-t-butylbenzyl ester after the derivatization with 4-t-butylbenzyl bromide. On the mass spectra of 4-t-butylbenzyl ester, [M-15]+ ions were observed with high intensity. These ions were tertiary benzyl cations generated by the elimination of a methyl radical from molecular ions. After optimization of the 4-t-butylbenzyl derivatization conditions using microwave reactor, we established a method for the determination of the carboxylic acids in water samples. The method showed good sensitivity and good reproducibility, and was successfully applied to the analysis of rain water samples.https://doi.org/10.1007/s42452-020-2646-yCarboxylic acidDerivatization4-t-butylbenzylationGC–MS analysisDetermination
spellingShingle Shinji Tsunoi
Nao Yamamoto
Tomohiro Yasuhisa
Riko Akehi
Itaru Suzuki
Ikuya Shibata
4-t-Butylbenzylation of carboxylic acid for GC–MS analysis
SN Applied Sciences
Carboxylic acid
Derivatization
4-t-butylbenzylation
GC–MS analysis
Determination
title 4-t-Butylbenzylation of carboxylic acid for GC–MS analysis
title_full 4-t-Butylbenzylation of carboxylic acid for GC–MS analysis
title_fullStr 4-t-Butylbenzylation of carboxylic acid for GC–MS analysis
title_full_unstemmed 4-t-Butylbenzylation of carboxylic acid for GC–MS analysis
title_short 4-t-Butylbenzylation of carboxylic acid for GC–MS analysis
title_sort 4 t butylbenzylation of carboxylic acid for gc ms analysis
topic Carboxylic acid
Derivatization
4-t-butylbenzylation
GC–MS analysis
Determination
url https://doi.org/10.1007/s42452-020-2646-y
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