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ent-Labdane diterpenes from the aquatic plant Potamogeton pectinatus

Published in Phytochemistry. 2003, vol. 64, no. 7, p. 1309 - 1317
Abstract Four new ent-labdane diterpenes were isolated from the freshwater aquatic plant Potamogeton pectinatus, together with two known furano-ent-labdanes. The new compounds were assigned the structures methyl-15,16-epoxy-12(R)-acetoxy- 8(17),13(16),14-ent-labdatrien-19-oate, 15,16-epoxy-12(R)-acetoxy-8(17),13(16),14-ent-labdatrien-19-oic acid, 8(17),13-ent-labdadien-15 --> 16-lactone-19-oic acid and 16-hydroxy-8(17),13-ent-labdadien-15,16-olid-19-oic acid by spectroscopic means. Some of these labdanes showed a strong algicidal activity against Raphidocelis subcapitata. (C) 2003 Elsevier Ltd. All rights reserved.
Keywords Potamogeton pectinatusPotamogetonaceaeSpectroscopic analysisLc-msLc-nmrEnt-labdane diterpenesAntialgal activityNmr-spectroscopyLc-nmrAcidNatans
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WARIDEL, Patrice et al. ent-Labdane diterpenes from the aquatic plant Potamogeton pectinatus. In: Phytochemistry, 2003, vol. 64, n° 7, p. 1309 - 1317. doi: 10.1016/j.phytochem.2003.08.014 https://archive-ouverte.unige.ch/unige:11712

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Deposited on : 2010-08-31

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