MASS SPECTROMETRY OF THREE ISOMERIC HYDROXYPHENYLPYRIDINIUM CHLORIDES | ||||
Zagazig Journal of Pharmaceutical Sciences | ||||
Article 2, Volume 2, Issue 2, December 1993, Page 10-18 PDF (3.3 MB) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/zjps.1993.187348 | ||||
View on SCiNiTO | ||||
Author | ||||
Hamdi El-Mouafi | ||||
Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Egypt. | ||||
Abstract | ||||
2-,3-and 4-Hydroxyphenylpyridinium chlorides were prepared for comparing their behaviour under electron-impact. No molecular ion peaks were observed in their spectra and all exercised loss of hydrogen chloride at different rates. The peaks at m/z 171 and m/z 172 were highly abundant in the structure of 2-rather than in the 3-and 4-isomers. | ||||
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