Answers are grounded in this paper and cite their sources.
Optically active highly functionalized 3,4-dihydropyridin-2-ones were synthesized by N-heterocyclic carbene-catalyzed [4+2] enantioselective cycloaddition of ketenes and 1-azadienes.
No takes yet. Share an insight, caveat, or question.
Jian et al. (2010) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: