New synthesis and absolute configuration of tetrahydroisoquinoline cactus alkaloids

A Brossi, JF Blount, J O'Brien…

Index: Brossi,A. et al. Journal of the American Chemical Society, 1971 , vol. 93, p. 6248 - 6252

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Citation Number: 18

Abstract

Abstract: The 7, 8-methylenedioxy-substituted alkaloids,(-)-anhalonine (3) and (-)- lophophorine (4), have been prepared by a new and facile synthesis which utilized the 7, 8- diphenol6 as the key intermediate. X-Ray crystallographic studies of 3. HBr and 11. HBr ...