Total synthesis of the natural carbazoles Murrayanine and Murrayafoline A, based on the regioselective Diels-Alder addition of exo-2-oxazolidinone dienes

Article abstract of DOI:10.1055/s-2004-831213

A new synthesis of the natural carbazoles Murrayanine (1) and Murrayafoline A (3) is described. The key step in the synthetic route involved the regioselective cycloaddition of the diene 4,5-dimethylene-3-phenyl-1,3- oxazolidin-2-one (4) to acrolein (6) c