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Unimolecular Dissociation Reactions of Methyl Benzoate Radical Cation

โœ Scribed by Huang, Yiqun; Peterman, Scott; Tichy, Shane E.; North, Simon W.; Russell, David H.

Book ID
126465204
Publisher
American Chemical Society
Year
2008
Tongue
English
Weight
485 KB
Volume
112
Category
Article
ISSN
1089-5639

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๐Ÿ“œ SIMILAR VOLUMES

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## Abstract The mechanism of the collisionโ€induced fragmentation of peracetylated methylโ€ฮฑโ€Dโ€glucopyranoside was investigated using deuteriumโ€labelled acetates and sequential mass spectrometry. Loss of the substituent at C(1), the anomeric carbon, yields an ion of __m/z__ 331, [C~14~H~19~O~9~]^+^.

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Unimolecular gas-phase reactions of the methyl acetoacetate radical cation. Oxygen atom permutation via ion-molecule complexes
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The reactions of metastable decomposing methyl acetoacetate (a mixture of keto and enol tautomers) are reported and discussed. The unimolecular fragmentations of the tautomers are different. The metastable decomposing radical cation of the keto form displays four specific ions: [ M -CO] +', IM -CHzO