Ferrocenylalkylation processes under electrospray ionization conditions |
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Authors: | Yu S Nekrasov R S Skazov A A Simenel L V Snegur I V Kachala |
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Institution: | (1) A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 ul. Vavilova, 119991 Moscow, Russian Federation |
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Abstract: | The electrospray ionization behavior of some ferrocenylalkylazoles CpFeC5H4CH(R)Az (AzH are derivatives of imidazole, pyrazole, triazole and their benzo analogs; R = H, Me, Et, Ph), ferrocenylalkanols
CpFeC5H4CH(R)OH (R = H, Me), and mixtures of the latter with azoles was studied. The electrospray ionization mass spectra of these
compounds, in addition to the molecular ion M]+·, the protonated molecule M + H]+, and ferrocenylalkyl cation FcCHR]+ peaks, exhibit also intensive peaks for the binuclear ions (FcCHR)2X]+ (X = Az or O), resulting from ferrocenylalkylation of the initial compounds with the ferrocenylalkyl cations. Electrospray
ionization of an equimolar mixture of ferrocenylmethanol FcCH2OH and imidazole gives the protonated ferrocenylmethylimidazole molecule FcCH2Im + H]+ and the FcCH2(Im)2 + H]+ dimer, apart from the ions typical of each component, i.e., ferrocenylalkylation of azoles with the ferrocenylalkylcarbinols, known in the chemistry of solutions, takes place under
electrospray conditions.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1318–1321, August, 2006. |
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Keywords: | ferrocene azoles mass spectrometry reactivity electrospray ionization ferrocenylalkylation |
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