F. Rubino, P. Mascaro, G. Palmisano
May 1, 1992
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Influential Citations
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Journal
Journal of Mass Spectrometry
Abstract
to the synthesis of ferprenin and structurally related molec~les,~ several simpler analogues (Table 1) were prepared and characterized. Their electron impact mass spectra showed considerable differences from those previously reported for similar compounds with a partially reduced pyran ring: and featured an overall scarce fragmentation of the heterocyclic moiety, in addi- tion to the formation of a fully conjugated coumaropy- rilium species both as a singly and doubly charged ion and of some weaker fragments. This stimulated our interest in employing the potential of modern mass