Tannins and Related Polyphenols of Melastomataceous Plants. VIII. Nobotanins L, M and N, Trimeric Hydrolyzable Tannins from Tibouchina semidecandra.
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説明
Three new hydrolyzable tannins, nobotanins L, M and N, were isolated from the water-soluble portion of the leaf extract of Tibouchina semidecandra, and their trimeric structures were elucidated from spectral and chemical evidence. Nobotanins L and N exist as equilibrium mixtures of four anomers due to the presence of two unacylated anomeric centers.
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 47 (6), 824-827, 1999
公益社団法人 日本薬学会