The acrylate ester of salicylaldehyde, in the presence of DABCO, affords a crystalline coumarin salt. Formation of this derivative confirms a vital intermediate in the mechanism of the reaction. Salicylaldehyde, suitably protected, reacts with methyl acrylate to afford a novel coumarin not unlike the vasodilator chromonar.
No takes yet. Share an insight, caveat, or question.
Drewes et al. (1993) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: