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Guaianolides from Centaurea nicolai: antifungal activity
(Pergamon-Elsevier Science Ltd, Oxford, 1999)
A new guaianolide, 3-deacetyl-9-O-acetylsalograviolide A, along with four known closely related lactones, salograviolide A, 9-O-acetylsalograviolide A, kandavanolide and salograviolide B were detected in the aerial parts ...
Highly oxygenated guaianolides from Anthemis cretica subsp. cretica
(Pergamon-Elsevier Science Ltd, Oxford, 1999)
Two new guaianolides, i.e. anthemolide B and 8-O-angeloyl-9-O-acetylanethemolide B, in addition to 12 known closely related guaianolides were identified in the aerial parts of the flowering plant Anthemis cretica subsp. ...
Diterpenes from Achillea clypeolata
(Pergamon-Elsevier Science Ltd, Oxford, 1996)
The isolation of 16 alpha,17-epoxy-ent-kaurane (a known compound), 3 alpha-acetoxy-16 alpha,17-epoxy-ent-kaurane and 19-acetoxy-16 alpha,17-epoxy-ent-kaurane from roots of Achillea clypeolata is reported. Copyright (C) ...
Oxidation products of hyperforin from Hypericum perforatum
(Pergamon-Elsevier Science Ltd, Oxford, 1998)
The isolation of two oxidation products of hyperforin from the aerial parts of Hypericum perforatum and their structure determination by means of 2D NMR methods is reported. The products had the same 1-(2-methyl-1-oxopro ...