[EN] CATALYST COMPLEXES WITH CARBENE LIGAND AND METHOD FOR MAKING SAME AND USE IN METATHESIS REACTION [FR] COMPLEXES DE CATALYSEURS AVEC UN LIGAND CARBÈNE, LEUR PROCÉDÉ DE FABRICATION ET LEUR UTILISATION DANS UNE RÉACTION DE MÉTATHÈSE
New synthesis of 2-azetines and 1-azabutadienes and the use of the latter in Diels-Alder reactions: total synthesis of (.+-.)-.delta.-coniceine
作者:Michael E. Jung、Yong Mi Choi
DOI:10.1021/jo00024a001
日期:1991.11
An efficient synthesis of 1-acyl-2-azetines, their thermal electrocyclic ring opening to 1-acyl-1-azabutadienes, and intra- and intermolecular Diels-Alder reactions of the resultant azadienes are described. A total synthesis of (+/-)-delta-coniceine has been carried out by this route.
WARRENER R. N.; KRETSCHMER G., J. CHEM. SOC. CHEM. COMMUNS <CCOM-A8>, 1977, NO 22, 806-807