Abstract
The fragmentation mechanisms of metastable ionized 1− and 3−methoxypropene have been examined in detail by using ionization and appearance energy measurements, metastable ion and collisional activation mass spectra, and a variety of isotopically labeled molecules. These metastable C4H8O+• ions fragment by loss of H; CH3, and H2CO, and the experimental observations allowed the construction of the potential energy diagram which describes their interconversion and the participation of four other distonic and carbene C4H8O+• ions. It was found that these two methyl alkenyl ether ions had no common reaction channel with either the 2−methoxy isomer or with any of the alcohol, keto, or enol C4H8On+• isomers which previously have been extensively studied.
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Cao, J.R., George, M. & Holmes, J.L. Fragmentation of 1- and 3-methoxypropene ions another part of the C4H8O+• potential energy surface. J Am Soc Mass Spectrom 3, 99–107 (1992). https://doi.org/10.1016/1044-0305(92)87042-W
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DOI: https://doi.org/10.1016/1044-0305(92)87042-W