Mass spectra of 1,1-bis(acylamido)-1-deoxyalditol acetates
✍ Scribed by María Cristina Matulewicz; Alberto Saúl Cerezo
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 252 KB
- Volume
- 14
- Category
- Article
- ISSN
- 1076-5174
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✦ Synopsis
Abstract
The mass spectra of fourteen 1,1‐bis(acylamido)‐1‐deoxyalditol acetates and of two model compounds have been recorded. The most important feature of the fragmentation of these derivatives is the cleavage of the C–1–C–2 bond which produces fragment
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None of the alditol derivatives yields the molecular ion.
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Electron impact-induced fragmentations of 2-substituted 5,5-bis(carboethoxy)l,3-dioxanes were studied by exact mass measurements and metastable ion analysis. The substituent R on C(2) of the heterocyclic ring has little influence on the principal cleavage reactions. Elimination of CH,O/CO and C,H,O/