X. Fu et al., AGELASINE-H AND AGELASINE-I, 9-METHYLADENINE-CONTAINING DITERPENOIDS FROM AN AGELAS SPONGE, Journal of natural products, 61(4), 1998, pp. 548-550
Two new diterpenes possessing a 9-methyladeninium substituent, agelasi
nes H (5) and I (6), along with five related known ones, 1-4 and 7, we
re isolated from a sponge, Agelas sp. The structures of the new compou
nds mere determined from spectral data. Compounds 2-4, 6, and 7 exhibi
ted varying degrees of antimicrobial activity.