Answers are grounded in this paper and cite their sources.
The pyranopyridine derivatives 2 and 15B were synthesized from enaminone 1 and hydroxylamine in the presence of 2N and 1N aqueous sodium hydroxide solutions, and consecutive reactions with these compounds are described.
No takes yet. Share an insight, caveat, or question.
Löwe et al. (1994) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: