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Stabilization of even-electron ions in 4-amino-substituted cytosines. Appearance of the strong ortho effect between an aryl substituent and the pyrimidinyl ring

✍ Scribed by Adam S. Plaziak; Jaroslaw Spychala; Krzysztof Golankiewicz

Publisher: John Wiley and Sons
Year: 1989
Tongue: English
Weight: 311 KB
Volume: 24
Category: Article
ISSN: 1076-5174
DOI: 10.1002/oms.1210241203

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✦ Synopsis

The mass fragmentation of 4-arylaminocytosioe derivatives was investigated and it was found that the ortho effect is mainly responsible for the strong stabilization of even-electron ions formed during fragmentation. The ortho effect in this class of compounds completely eliminates other possible fragmentation patterns. This effect disag pears when the aryl substituent is separated from the rl-amino group of the cytosine moiety by a methylene group.

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