Heterocyclic studies—XXV: Mass spectra o
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Jim Clark; F. S. Yates
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Article
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1971
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John Wiley and Sons
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English
⚖ 454 KB
Mass spectra of 4-trifluoromethylpteridine and nine of its derivatives are recorded. Electron impact induced fragmentations of 4-trifluoromethylpteridine and its 2-chloro-, 7-methyl-and 6,7-dimethyl-derivatives resemble those of pteridine and simple methylpteridines except that loss of a trifluorome