Abstract
Celecoxib are COX2 inhibitors approved to reduce the COX2 level. Celecoxib and its major metabolites labeled with deuteriums are applied for drug metabolism studies. [2H4] celecoxib was prepared from [2H4] 4-acetamidobenzenesolfonyl through amination, hydrosis, diazotization, reduction and cyclization. After bromination and hydrolysis reaction, [2H4] hydroxy celecoxib was obtained and further oxidized by tetrabutylammonium permanganate to afford [2H4] celecoxib carboxylic acid. The title compounds showed remarkable chemical purity and isotope abundance which can be utilized in pharmacokinetic research.
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Acknowledgements
This work was supported by the CNPC Research Institutes Safety & Environmental Technology Programme (Grant No. 2021DJ6605), National Natural Science Foundation of China (Grant No. 41472124), PetroChina Innovation Foundation (Grant Nos. 2015D-5006-0210 and 2016D-5007-0702) and Nature Science Foundation of Hubei Province (Grant No. 2016CFB178).
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He, M., Xiang, G., Duan, L. et al. Synthesis of deuterium-labeled celecoxib and its metabolites. J Radioanal Nucl Chem 332, 5045–5050 (2023). https://doi.org/10.1007/s10967-023-09242-3
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DOI: https://doi.org/10.1007/s10967-023-09242-3