Alkaloids from Porcelia macrocarpa.
Three new azaanthracene alkaloids, 6,7-dimethoxycleistopholine (3), 5-hydroxy-6-methoxycleistopholine (4), and 5-hydroxy-6,7-dimethoxycleistopholine (5), along with 14 known alkaloids, including the new natural product 6-methoxycleistopholine (2), were isolated from a CH2Cl2 extract of the branches of Porcelia macrocarpa.
Chaves
M H
MH
Instituto de Química, Universidade de São Paulo, São Paulo, São Paulo, 05508-900 Brazil.
Santos
L A
LA
Lago
J H
JH
Roque
N F
NF
D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D019684:Magnoliopsida / Q000737:chemistry*; D008956:Models, Chemical; D016339:Spectrometry, Mass, Fast Atom Bombardment
D000470:Alkaloids