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Journal of Asian Natural Products Research Volume 14, 2012 - Issue 6
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Original Articles

Two new homoflavonoids from the fern Ophioglossum pedunculosum

Chuan-Xing Wan State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin of Xinjiang Production & Construction Group, Tarim University, Alar, 843300, China
,
Jian-Guang Luo State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 210009, China
,
Yu-Cheng Gu Syngenta Jealott's Hill International Research Centre, Bracknell, Berkshire, RG42 6EY, UK
&
Ling-Yi Kong State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 210009, ChinaCorrespondence[email protected]
Pages 533-537 | Received 04 Nov 2011, Accepted 06 Mar 2012, Published online: 15 May 2012
 
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Abstract

Two new homoflavonoids (1 and 2) were isolated from the fern Ophioglossum pedunculosum Desv. Their structures were elucidated on the basis of spectroscopic data to be 6-(3-methyl-2-buten-1-yl) ophioglonin (1) and ophioglonin 4′-O-β-d-glucopyranoside (2), respectively. In addition, the possible biogenetic pathway to compounds 1 and 2 was discussed.

Acknowledgments

We acknowledge the financial support by the National Natural Science Foundation of China (31160074) and the Fund of the Scientific Innovation Program of Postgraduates in Jiangsu Province (CX10B-384Z). One of the authors, Wan Chuanxing thanks Syngenta for a Postgraduate Fellowship Award.

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