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PMR Spectra of Some Substituted Thiophene-2-Carboxamides

โœ Scribed by F. A. Bottino; S. Fisichella; S. Occhipinti


Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
38 KB
Volume
91
Category
Article
ISSN
0037-9646

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Following the research work on mass spectra of thiophenic compounds,'-' we report here the electron impact mass spectra at 70eV of some 2-and 4-substituted thiophene-3-carboxylic acids (1-23) with the aim of comparing the fragmentations observed with those of the corresponding 3-substituted thiophen