Chemical and Chemotaxonomical Studies on Filices. XLIII. Chemical Studies on the Constituents of Lindsaea javanensis BL., L. japonica (BAK.) DIELS and Tapeinidium pinnatum (CAV.) C. CHR.

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Three new diterpene glycosides (V, VII and IX) were isolated from Lindsaea javanensis, together with lindsaea acid, 2β, 16α-dihydroxy-ent-kaurane 2-O-β-D-glucopyranoside and 16α, 17,19-trihydroxy-ent-kaurane 19-O-β-D-glucopyranoside. The structures of the new compounds were elucidated by spectroscopic methods as 16α, 19-dihydroxy-ent-kaurane 19-O-β-D-glucopyranoside, 12β, 16α, 17,19-tetrahydroxy-ent-kaurane 19-O-β-D-glucopyranoside and 12β, 16α, 19-trihydroxy-ent-kaurane 19-O-β-D-glucopyranoside, respectively. From L. japonica, ocoumaric acid was isolated, while lindsaea acid and 2,6-dimethoxybenzoquinone were isolated from Tapeinidium pinnatum.
公益社団法人日本薬学会の論文
1983-11-25