Propargylic amines were found to react smoothly with carbon dioxide under supercritical conditions to give (Z)-5-alkylidene-1,3-oxazolidin-2-ones exclusively, even in the absence of any metal or base catalyst.
No takes yet. Share an insight, caveat, or question.
Kayaki et al. (2006) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: