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Year : 2010  |  Volume : 2  |  Issue : 3  |  Page : 159-162

Triterpenes from Euphorbia rigida

1 Laboratory of Natural Products and Organic Synthesis, Department of Chemistry, Faculty of Science, University Mentouri - Constantine, Algeria
2 Department of Chemistry, Aswan-Faculty of Science, South Valley University, Aswan, Egypt
3 Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmacy, Applied Sciences University, Amman, Jordan - 119 31, Jordan
4 Department of Pharmacognosy, Faculty of Pharmacy, El-Minia University, El-Minia - 615 19, Egypt
5 Chemistry of Medicinal Plant Department, National Research Centre, Dokki, Giza - 126 22, Egypt
6 Department of Biological Sciences, College of Science, King Khalid University, 61413, Saudi Arabia
7 Department of Botany, Aswan-Faculty of Science, South Valley University, Aswan, Egypt

Correspondence Address:
Magdi A El-Sayed
Department of Botany, Aswan-Faculty of Science, South Valley University, Aswan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-8490.65510

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Phytochemical studies of the aerial parts of Euphorbia rigida afforded three triterpenes: betulin (1), cycloart-23Z-ene-3, 25-diol (2) and cycloartan-3, 24, 25-triol (3), firstly isolated from this plant. The structures and relative stereochemistry were determined on the basis of extensive spectroscopic analyses, including 1D and 2D NMR experiments (1H NMR, 13C NMR, COSY, NOESY, HMQC and HMBC).

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