Studies on tetrahydroisoquinolines. XXVIII Syntheses of (.+-.)-N-methyllaurotetanine, (.+-.)-cassythicine, (.+-.)-9-hydroxy-1,2,3,10-tetramethoxyaporphine, (.+-.)-dicentrine, and (.+-.)-thalicsimidine.
Studies on tetrahydroisoquinolines. XXVIII Syntheses of (.+-.)-N-methyllaurotetanine, (.+-.)-cassythicine, (.+-.)-9-hydroxy-1,2,3,10-tetramethoxyaporphine, (.+-.)-dicentrine, and (.+-.)-thalicsimidine.
Studies on tetrahydroisoquinolines. XXVIII Syntheses of (.+-.)-N-methyllaurotetanine, (.+-.)-cassythicine, (.+-.)-9-hydroxy-1,2,3,10-tetramethoxyaporphine, (.+-.)-dicentrine, and (.+-.)-thalicsimidine.
The skeleton of the title aporphines was synthesized by use of the lead tetraacetate oxidation of 1-(3-hydroxy-4-methoxybenzyl)-1, 2, 3, 4-tetrahydroisoquinolines.