Answers are grounded in this paper and cite their sources.
Solvent-free intermolecular and intramolecular Thorpe reactions proceeded efficiently to give acyclic and cyclic enamines, respectively. In the latter case, the reaction products were obtained as colorless crystalline powders just by washing of the reaction mixture with water.
No takes yet. Share an insight, caveat, or question.
Yoshizawa et al. (2002) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: