Synthesis of a protected trihydroxyindolizidine 3-carboxylate via a hetero-Diels–Alder addition of ethyl 2-nitrosoacrylate to a d-ribose-derived exo-glycal
Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
Abstract:
A protected trihydroxyindolizidine 3-carboxylate was prepared by a 6-endo epoxide cleavage, which in turn was intermediately formed from the hetero-Diels–Alder adduct of ethyl 2-nitrosoacrylate to a d-ribose-derived exo-glycal.