Cycloaddition reactions of isoquinoline-pyrroline-2,3-dione and .beta.-carboline-pyrroline-2,3-dione with benzyne. Total synthesis of 8-oxypseudopalmatine and decarbomethoxydihydrogambirtannine
作者:Agustin Cobas、Enrique Guitian、Luis Castedo
DOI:10.1021/jo00051a018
日期:1992.12
The formation of the skeletons of protoberberines and dehydroyohimbanes by cycloaddition between pyrrolinediones and arynes is described. Total syntheses of 8-oxypseudopalmatine and decarbomethoxydihydrogambirtannine were performed.
COBAS, A.;GUITIAN, E.;CASTEDO, L.;SAA, J. M., TETRAHEDRON LETT., 29,(1988) N 20, 2491-2492