Comprehensive spectral identification of key intermediates to the final product of the chiral pool synthesis of radezolid

Comprehensive spectral identification of key intermediates to the final product of the chiral... Radezolid (RAD, 12), biaryl oxazolidinone, was synthesised with small modifications according to the methods described in the literature. The pharmacological activity is observed only for (S)-enantiomer, therefore its synthesis is oriented towards obtaining a single isomer of required purity and desired optical configuration. The intermediate products of RAD synthesis were characterised using 1H- and 13C-NMR, as well as the 2D correlation HSQC and HMBC (2, 5, 9, 10), furthermore studied using infrared radiation (FT-IR), Raman scattering (3, 5, 9), and electronic circular dichroism (ECD) (5, 12) spectroscopy. Each technique provides a unique and specific set of information. Hence, the full spectral characteristics of key intermediates obtained from the chiral pool synthesis to the finished product of RAD were summarised and compared. For a more accurate analysis, and due to the lack of reliable and reproducible reference standards for intermediate products, their vibrational analysis was supported by quantum chemical calculations based on the density functional theory (DFT) utilising the B3LYP hybrid functional and the 6-311G(d,p) basis set. Good agreement was observed between the empirical and theoretical spectra.[Figure not available: see fulltext.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Chemistry Central Journal Springer Journals

Comprehensive spectral identification of key intermediates to the final product of the chiral pool synthesis of radezolid

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Publisher
Springer International Publishing
Copyright
Copyright © 2017 by The Author(s)
Subject
Chemistry; Chemistry/Food Science, general
eISSN
1752-153X
D.O.I.
10.1186/s13065-017-0309-x
Publisher site
See Article on Publisher Site

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