Four lactone diterpenes and two related glucosides with a labdane skeleton have been isolated from the aquatic plant Potamogeton natans. The structures of three new compounds were determined as 19-acetoxy-20-oxo-8(17).13-ent-labdadien-15→16 lactone. 8(17), 13-ent-labdadien-15→16.19→20 dilactone and 6′-acetyl-19-glucopyranosyloxy-8(17),13-ent-labdadien-15→16 lactone. respectively, by means of spectral analysis. Antialgal assays showed inhibitory activity for some compounds. © 2001 Elsevier Science Ltd.
Lactone diterpenes from the aquatic plant Potamogeton natans
FIORENTINO, Antonio;ISIDORI, Marina;MONACO, Pietro;
2001
Abstract
Four lactone diterpenes and two related glucosides with a labdane skeleton have been isolated from the aquatic plant Potamogeton natans. The structures of three new compounds were determined as 19-acetoxy-20-oxo-8(17).13-ent-labdadien-15→16 lactone. 8(17), 13-ent-labdadien-15→16.19→20 dilactone and 6′-acetyl-19-glucopyranosyloxy-8(17),13-ent-labdadien-15→16 lactone. respectively, by means of spectral analysis. Antialgal assays showed inhibitory activity for some compounds. © 2001 Elsevier Science Ltd.File in questo prodotto:
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