Fractionation of the lipid extract of the marine cyanobacterium Lyngby
a majuscula collected from Curacao afforded two quinoline alkaloids in
low yield. Their structures were determined as di-O-methyl-beta-D-xyl
opyranosyl)-hydroxyquinoline and 4,8-dimethyl-6-hydroxyquinoline on th
e basis of spectroscopic analysis, mainly 2D NMR spectroscopy. (C) 199
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