Molecules 2008, 13(2), 444-451; doi:10.3390/molecules13020444
Article

The First Guaian-12-oic Acid Glucopyranosyl Ester and Other Constituents from Picris rhagadioloides (L.) Desf. (Asteraceae)

Klaudia Michalska and Wanda Kisiel* email
Department of Phytochemistry, Institute of Pharmacology, Polish Academy of Sciences, Pl-31-343 Krakow, Poland
* Author to whom correspondence should be addressed.
Received: 8 February 2008; in revised form: 15 February 2008 / Accepted: 15 February 2008 / Published: 19 February 2008
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Abstract: The first guaian-12-oic acid glucopyranosyl ester was isolated from the roots ofPicris rhagadioloides (L.) Desf. (Asteraceae), in addition to five costuslactone-typeguaianolides, four germacranolides and three phenolic compounds. This is the first timethat the known phenolics syringaldehyde and syringaresinol, as well as the knownsesquiterpene lactones glucozaluzanin C, cichorioside C and hypochoeroside A have beendescribed from a Picris species. The compounds were characterized on the basis ofphysicochemical, 1D- and 2D-NMR spectroscopic, and mass spectrometric data.
Keywords: Sesquiterpenoids; phenolics; Picris rhagadioloides; Asteraceae; spectroscopic analysis

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MDPI and ACS Style

Michalska, K.; Kisiel, W. The First Guaian-12-oic Acid Glucopyranosyl Ester and Other Constituents from Picris rhagadioloides (L.) Desf. (Asteraceae). Molecules 2008, 13, 444-451.

AMA Style

Michalska K, Kisiel W. The First Guaian-12-oic Acid Glucopyranosyl Ester and Other Constituents from Picris rhagadioloides (L.) Desf. (Asteraceae). Molecules. 2008; 13(2):444-451.

Chicago/Turabian Style

Michalska, Klaudia; Kisiel, Wanda. 2008. "The First Guaian-12-oic Acid Glucopyranosyl Ester and Other Constituents from Picris rhagadioloides (L.) Desf. (Asteraceae)." Molecules 13, no. 2: 444-451.

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