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Drug Test Anal. 2011 Jun;3(6):387-92. doi: 10.1002/dta.257. Epub 2011 Feb 2.

Spectral data analyses and structure elucidation of metoprolol tartrate.

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1
Center of Materials Analysis, Key Laboratory of Analytical Chemistry for Life Science (Ministry of Education of China), School of Chemistry & Chemical Engineering, Nanjing University, 22 Hankou Road, Nanjing 210093, China.

Abstract

The infrared spectrum, ultraviolet spectrum, mass spectra, and nuclear magnetic resonance spectra of metoprolol tartrate, an antiarrhythmic medicine, were reported and interpreted comprehensively. The vibrations of functional groups in infrared spectrum, electron transitions in ultraviolet spectrum, and main characteristic fragmentations in mass spectra of metoprolol tartrate were discussed. All the (1) H and (13) C NMR chemical shifts were assigned by means of distoritionless enhancement by polarization transfer-135 and -90, (1) H-(1) H correlation spectroscopy, and (13) C-(1) H correlation spectroscopy via short- and long-range coupling.

PMID:
21698781
DOI:
10.1002/dta.257
[Indexed for MEDLINE]
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