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.
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Document Type: Research Article
State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing,210009, China
Syngenta Jealott's Hill International Research Centre, Bracknell,Berkshire,RG42 6EY, UK
June 1, 2012