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Preparation of exo‐ and endocyclic aminoxyl radicals of 2‐Amino‐substituted quinazolin‐4(3 H )‐ones
Author(s) -
Omelka Ladislav,
Světlik Jan
Publication year - 1995
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260331015
Subject(s) - chemistry , radical , medicinal chemistry , computational chemistry , photochemistry , organic chemistry
2‐Amino‐substituted quinazolin‐4(3 H )‐ones were oxidized with RO 2 · radicals and 4‐nitroperoxybenzoic acid. Two types of radical products, i.e. exo‐ and endocyclic aminoxyl radicals, were observed. Their differentiation was carried out on the basis of ESR parameters.