Phoebegrandines a and B, Proaporphine-tryptamine Dimers, from Phoebe Grandis

Four known aporphine alkaloids, boldine, norboldine, laurotetanine and lindecarpine were isolated from the bark of Phoebe grandis. The leaves yielded two new alkaloids belonging to the proaporphinetryptamine dimers series, phoebegrandines A and B. The structure of the new compounds was elucidated by spectral methods. 8 1997 Elsevier Science Ltd. All rights… CONTINUE READING