Affiliation:
1. Laboratory of New Organic Materials
2. Department of Organic Chemistry
Abstract
A method has been developed for the preparation of oxazolo-[5,4-b]pyridin-2(1H)-ones based on the Hoffmann reaction of 2-oxo-1,2-dihydropyridine-3-carboxamides. Hydrolysis of oxazolo[5,4-b]pyridin-2(1H)-ones and the Hoffmann reaction of 2-oxo-1,2-dihydropyridine-3-carboxamides yielded 3-aminopyridin-2(1H)-ones, including 4-aryl substituted derivatives in the series, for which effective phosphors with a quantum yield of up to 0.78 were detected. Photophysical properties of 3-aminopyridin-2(1H)-ones were studied by UV and luminescence spectroscopy methods, and the relationship between their structure and photophysical properties was revealed.
Funder
National Natural Science Foundation of China
Key Research and Development Program of Shandong Province
Natural Science Foundation of Shandong Province
Russian Science Foundation
Subject
Organic Chemistry,Catalysis
Cited by
17 articles.
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