The synthesis of coumarins via Pechmann and Knoevenagel condensation reactions under solvent-free conditions is reported, in which waste minimization, simple operation and easier product work-up can be achieved.
No takes yet. Share an insight, caveat, or question.
Sugino et al. (2001) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: