2007
DOI: 10.1002/jms.1322
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Hydration/elimination reactions of trapped protonated fluoroalkyl triazines

Abstract: Hydration/elimination reactions of trapped protonated fluoroalkyl triazinesFluorinated heterocycles represent a class of interesting compounds that find their applications in several fields, such as pharmaceutical chemistry, agrochemistry, and biology. 1,2 In the last decades different synthetic approaches have been set up for obtaining new interesting compounds. 3 -8 Among methods that allow to study heterocyclic compounds, mass spectrometry (MS), and MS n play a relevant role. In fact, by using different M… Show more

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Cited by 8 publications
(9 citation statements)
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References 10 publications
(5 reference statements)
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“…The presence of puzzling ions that differ 2, 22, and 24 u from their precursors and that of clusters of ions that differ 2 u from each other [14] is noteworthy. As an example, the product ion MS/MS spectrum of .…”
Section: Gas-phase Behavior Of Protonated Molecules Of Compounds 1-4mentioning
confidence: 97%
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“…The presence of puzzling ions that differ 2, 22, and 24 u from their precursors and that of clusters of ions that differ 2 u from each other [14] is noteworthy. As an example, the product ion MS/MS spectrum of .…”
Section: Gas-phase Behavior Of Protonated Molecules Of Compounds 1-4mentioning
confidence: 97%
“…As an example, the product ion MS/MS spectrum of . This behavior can be explained by the occurrence of hydration/elimination reactions of trapped protonated molecules, mainly consisting of successive eliminations of HF followed by nucleophilic addition of water present in the ion trap [14].…”
Section: Gas-phase Behavior Of Protonated Molecules Of Compounds 1-4mentioning
confidence: 99%
“…It is noteworthy that a species at m/z 219 is also formed by the protonated molecules of 2 under ESI-MS/MS conditions and it is due to consecutive losses of water and HF from the protonated molecule. [20,21] This pathway has been attributed to the proximity effect between the exocyclic H-(N) and the pendant phenyl group, which favours the formation of a fused tricyclic system. [21] Owing to electron ionization and low-energy CID, the formation of the ions at m/z 219 from the species [ …”
Section: Low-energy Collision-induced Dissociations Of [M] +• [M − mentioning
confidence: 97%
“…[19] In particular, compounds 1-4 (Scheme 1) are particularly suitable and interesting for studying their gasphase ion chemistry: they are sufficiently polar to be protonated or deprotonated by electrospray ionization [20] and show an interesting reactivity due to gas-phase hydration/elimination reactions. [21] The decomposition pathways of their protonated molecules consist mainly in the elimination of neutral molecules, such as H 2 O, CO and HF, while the ESI spectra of deprotonated species are dominated by radical anions. [20,21] On the other hand, compounds 1-4 are sufficiently volatile to be ionized by electron ionization.…”
Section: Introductionmentioning
confidence: 99%
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