New steroidal glycosides from Tribulus terrestris L.

Gang Chen School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China; Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China

Tao Liu School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China; Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China

Xuan Lu School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China; Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China

Hai-Feng Wang School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China; Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China

Hui-Ming Hua School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China; Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China

Yue-Hu Pei School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China; Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, ChinaCorrespondence[email protected]

Abstract

Two new steroidal glycosides were isolated from Tribulus terrestris L. Their structures were elucidated as 26-O-β-d-glucopyranosyl-5α-furostan-12-one-20(22)-ene-3β,23,26-triol-3-O-β-d-xylopyranosyl-(1 → 2)-[β-d-xylopyranosyl-(1 → 3)]-β-d-glucopyranosyl-(1 → 4)-[α-l-rhamnopyranosyl-(1 → 2)]-β-d-galactopyranoside (1) and 26-O-β-d-glucopyranosyl-5α-furostan-20(22)-ene-3β,23,26-triol-3-O-β-d-xylopyranosyl-(1 → 2)-[β-d-xylopyranosyl-(1 → 3)]-β-d-glucopyranosyl-(1 → 4)-[α-l-rhamnopyranosyl-(1 → 2)]-β-d-galactopyranoside (2) by spectroscopic methods including 1D and 2D NMR experiments.

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New steroidal glycosides from Tribulus terrestris L.

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New steroidal glycosides from Tribulus terrestris L.

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