A novel 16-membered macrolide linked to a 2,3,4-tri- O -methyl-6-deoxy-α-mannopyranoside, lyngbyaloside ( 1 ), has been isolated from the blue-green alga Lyngbya bouillonii, collected on Laing Island (Papua New Guinea). Its structure has been established by a detailed high-field 2D NMR study. The relative configuration of 8 out of the 13 stereogenic carbon atoms is proposed from the analysis of NOE difference experiments.
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Klein et al. (1997) studied this question.