Identification and Quantification by NMR Spectroscopy of the 22R and 22S Epimers in Budesonide Pharmaceutical Forms

Identification and Quantification by NMR Spectroscopy of the 22R and 22S Epimers in Budesonide Pharmaceutical Forms

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The authors developed four variants of the qNMR technique (1 H or13 C nucleus, DMSO-d6 or CDCl3 solvent) for identification and quantification by NMR of 22R and 22S epimers in budesonide active pharmaceutical ingredient and budesonide drugs (sprays, capsules, tablets). The choice of the qNMR techniq...

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Bibliographic Details
Main Authors: Bunyatyan, N.D (Author), Kuz’mina, N.E (Author), Moiseev, S.V (Author), Severinova, E.Y (Author), Stepanov, E.A (Author)
Format: Article
Language:English
Published: MDPI 2022
Subjects:
22R and 22S epimers
budesonide
Budesonide
chemistry
drug
glucocorticoid
Glucocorticoids
HPLC
identification
Magnetic Resonance Spectroscopy
nuclear magnetic resonance spectroscopy
Pharmaceutical Preparations
qNMR
quantification
stereoisomerism
Stereoisomerism
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