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UNIMOLECULAR REACTIONS OF ISOLATED ORGANIC IONS - THE CHEMISTRY OF THE UNSATURATED OXONIUM ION CH2=CHCH=OCH3
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UNSPECIFIED (1992) UNIMOLECULAR REACTIONS OF ISOLATED ORGANIC IONS - THE CHEMISTRY OF THE UNSATURATED OXONIUM ION CH2=CHCH=OCH3. ORGANIC MASS SPECTROMETRY, 27 (5). pp. 625-632. ISSN 0030-493X.
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Abstract
The reactions of metastable CH2=CHCH=OCH3 oxonium ions generated by alkyl radical loss from ionized allylic alkenyl methyl ethers are reported and discussed. Three main reactions occur, corresponding to expulsion of H2O, C2H4/CO and CH2O. There is also a very minor amount of C3H6 elimination. The mechanisms of these processes have been probed by H-2- and C-13-labelling experiments. Special attention is given to the influence of isotope effects on the kinetic energy release accompanying loss of formaldehyde from H-2-labelled analogues of CH2=CHCH=OCH3. Suggestions for interpreting these reactions in terms of routes involving ion-neutral complexes are put forward.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
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Journal or Publication Title: | ORGANIC MASS SPECTROMETRY | ||||
Publisher: | JOHN WILEY & SONS LTD | ||||
ISSN: | 0030-493X | ||||
Official Date: | May 1992 | ||||
Dates: |
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Volume: | 27 | ||||
Number: | 5 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 625-632 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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