Abstract
Benzil 2 reacts readily with 1,2-phenylenediamine 1 to give 2,3-diphenylquinoxaline 3. By the use of 13C NMR spectroscopy with a labelled substrate the course of the reaction has been determined. A parallel study of the reaction between benzil and 6-methoxy-2,4,5-triaminopyrimidine gave only an indication of the pathway because of the large number of possible intermediates.
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Schedule a callMore From: Journal of the Chemical Society, Perkin Transactions 2
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