Mass spectra of some perfluoroalkyl and perfluoroalkylether substituted 1,2,4-oxadiazoles
β Scribed by Kazimiera J. L. Paciorek; James H. Nakahara; Reinhold H. Kratzer; Robert W. Rosser
- Publisher
- John Wiley and Sons
- Year
- 1977
- Tongue
- English
- Weight
- 346 KB
- Volume
- 12
- Category
- Article
- ISSN
- 1076-5174
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OMS Letters ## Dear Sir Electron Impact Mass Spectra of some 1,2,4Oxadiazole and Oxadiazine Derivatives 2. To be published. (a)
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
## Abstract 1,2,4βOxadiazoles and 4,5βdihydroβ1,2,4βoxadiazoles are an interesting class of compounds because of their pharmacological and other properties. Although short descriptions of these compounds under mass spectrometric conditions exist, we thought it worthwhile to write a comprehensive re