Macrantaline and macrantoridine, new alkaloids from a turkish sample of Papaver pseudo-orientale
Keywords: Papaver pseudo-orientale; Papaveraceae; alkaloids; macrantaline, 1(-2â²-hydroxymethylene-3â²,4â²-dimethoxybenzyl)-2-methyl-6,7-methylenedioxy-8-methoxy-1,2,3,4-tetrahydroisoquinoline; macrantoridine, 1-(2â²-carboxy-3â²,4â²-dimethoxybenzyl)-2-methyl-