Electron-impact studies. LXXXIV—Substituent effects in the negative ion mass spectra of aryl esters
✍ Scribed by J. H. Bowie; B. Nussey
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 509 KB
- Volume
- 9
- Category
- Article
- ISSN
- 1076-5174
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## Abstract The negative ion mass spectra of __p__‐nitrobenzoyl derivatives of amino esters show pronounced molecular anions and characteristic fragmentation patterns. Fragment anions observed in the spectra of __o__‐nitrobenzoyl analogues arise by various interactions between the nitro and amino e
## Abstract Fragmentations of the molecular anions of __m__‐ and __p__‐nitrophenyl‐CH~2~COR yield nitrobenzyl anions in the ion source when R = Ph, but the corresponding ion from the system where R = Me is only formed after collision activation. __o__‐ and __p__‐Nitrophenyl parent anions undergo