Constituents of Chinese Crude Drug"Wujiapi."V. On the Structure of Glycoside H_1 of Bei-Wujiapi
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概要
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The chemical structure of glycoside H_1 (I), C_<56>H_<92>O_<24>, mp 182°, [α]^<24>_D-22.83°(EtOH), which was isolated from Bei-Wujiapi (cortex of Periploca sepium BGE.), was established to be ⊿^5-pregnene-3β, 20α-diol (3)-[2-O-acetyl-β-D-digitalopyranosyl (1_<dig>→4_<cym>)-β-D-cymaropyranoside](20)-[β-D-glucopyranosyl (1_<glu>→6_<glu>)-β-D-glucopyranosyl (1_<glu>→2_<dig>)-β-D-digitalopyranoside]. It should be noted that glycoside H_1 is the first example of the pregnane type glycoside whose sugar moiety links to both C-3 and C-20 hydroxyl groups of the aglycone and that the sugar sequences of Asclepiadaceous glycosides are ruled by certain regularity, such as aglycone-(2,6-dideoxysugar or its 3-O-methyl derivative)_<o-l>-(6-deoxysugar or its 3-O-methyl derivatives)_<o-m>-(glucose)_<o-n>.
- 公益社団法人日本薬学会の論文
- 1972-03-25
著者
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庄司 順三
School Of Pharmaceutical Sciences Showa University
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佐久間 聖一
School of Pharmaceutical Sciences, Showa University
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川西 幸子
School Of Pharmaceutical Sciences Showa University
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佐久間 聖一
School Of Pharmaceutical Sciences Showa University
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