Dipolar cycloaddition reactions of quinoxalin-3(4H)-one 1-N-oxides
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 4,p. 218-219
- https://doi.org/10.1039/c39720000218
Abstract
Demonstrating their reactivity as 1,3-dipoles in cycloaddition reactions, quinoxalin-3(4H)-one 1-N-oxide (3a) and its N-methyl derivative (3b) react with the aryl isocyanates (4a and b) to give the corresponding 2-arylaminoquinoxalin-3(4H)-ones (6a–c); similarly, reaction with benzyne affords the 2-(o-hydroxyphenyl)-quinoxalin-3(4H)-ones (9a and b).Keywords
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