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- Title
A recently recognized ambident reactivity of 2,3-diamino-isoquinolinium salts.
- Authors
Riedl, Zsuzsanna; Filák, László; Egyed, Orsolya; Hajós, György
- Abstract
Reinvestigation of an old experimental finding - the formation of linearly fused tetrazoloisoquinolines from 2,3-diamino-isoquinolinium salts, by using 15N-labeling and 15N-NMR spectroscopy, revealed that the ring closure pathway - unlike a recently observed cyclization of the same diamino salt - does not proceed via a rearrangement route. By comparison of this reaction with the entirely different reactivities of other related 1,2-diamino-azinium salts, a general mechanism is suggested, revealing an ambident reactivity of these diamino compounds.
- Subjects
QUINOLINE; DIAMINO amino acids; SALTS; BIOPHYSICAL labeling; RING formation (Chemistry); REACTIVITY (Chemistry); SPECTRUM analysis; BIOACTIVE compounds; PHENYLENEDIAMINES
- Publication
ARKIVOC: Online Journal of Organic Chemistry, 2009, p158
- ISSN
1551-7004
- Publication type
Article