Gardneria alkaloids. Part 13. Structure of gardmultine and demethoxygardmultine; bis-type indole alkaloids of Gardneria multiflora Makino
Abstract
Structures of two bis-type alkaloids, gardmultine (1) and demethoxygardmultine (2), isolated from Gardneria multiflora Makino (Loganiaceae), have been elucidated on the basis of the chemical and spectroscopic evidence.