Answers are grounded in this paper and cite their sources.
Alkylidenecyclopropyl, cyclopropenyl, or azacyclocyclopropenyl ketones or carboxylates have been demonstrated to be versatile starting materials for the synthesis of oxygen- and/or nitrogen-containing heterocycles. The reactivities and regioselectivities may be nicely controlled by subtle choice of the catalysts and reaction condition parameters.
No takes yet. Share an insight, caveat, or question.
Shengming Ma (2008) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: