## Abstract Lowβenergy collisionally activated dissociation of __O__βdeprotonated dihydroxybenzenes (catechol, resorcinol, hydroquinone) in the gas phase causes both fragmentation to form [C~6~H~4~O~2~]^β^ ions by loss of the remaining oxygenβbound hydrogen atom and intramolecular hydrogen atom mig
Mechanistic study of the collisionally activated dissociation of alkoxide anions
β Scribed by J. Haib; D. Stahl
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 500 KB
- Volume
- 95
- Category
- Article
- ISSN
- 0168-1176
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π SIMILAR VOLUMES
Collisionally activated dissociation (CAD) spectra of protonated molecules of cyclopeptides and cyclodepsipeptides obtained with two different mass spectrometry systems were compared. Fragmentations were obtained either from collisions induced in the ion source of an electrospray mass spectrometer f
The collisionally activated dissociation of a variety of isomeric disubstituted aromatic ions formed by ion-molecule reactions were examined in order to characterize ortho effects in closed-shell systems. Closed-shell ions of metboxyacetophenooe, hydroxyacetophenone, methoxyphenol, anisaldehyde and
## Low -energy collisionally activated dissociation (CAD) of U-deprotonated 2-, 4-and 5-methylresorcinol in the gas phase largely causes fragmentation to form ions analogous to those observed in the CAD spectrum of resorcinol. The anions of the three isomers decompose in processes initiated by the