Unusual behavior of pyrazolo[1,2-a]pyraz
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Christine Enjalbal; Jean-Louis Aubagnac; Swiatoslaw Trofimenko; Rosa Claramunt;
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Article
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1998
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Journal of Heterocyclic Chemistry
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English
β 383 KB
## Abstract The nature of the matrix used in Fast Atom Bombardment (FAB) mass spectrometry analyses of pyrazolo[1,2β__a__]pyrazoles was found to influence significantly their positive and negative ions mass spectra. Indeed the use of glycerol provided an abundant ion corresponding to the protonated