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Lucidin type anthraquinone glycosides from Putoria calabrica
Ihsan Caliş1, Deniz Tasdemir, Chris M Ireland
1Department of Pharmacognosy, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey. icalis@hacettepe.edu.tr
Chemical & Pharmaceutical Bulletin
|May 31, 2002
Abstract:
Two new lucidin type anthraquinone glycosides, putorinoside A (1) and putorinoside B (2) were isolated from Putoria calabrica, in addition to two known anthraquinone glycosides, lucidin 3-O-beta-glucopyranoside (3) and lucidin 3-O-primeveroside (4). Based on spectroscopic data, putorinosides A and B were identified as 2-hydroxymethyl-1-methoxy-3,5,6-trihydroxyanthraquinone 3-O-beta-glucopyranoside and 2-hydroxymethyl-1-methoxy-3,6-dihydroxyanthraquinone 3-O-beta-glucopyranoside, respectively.