Constituents of Chinese Crude Drug"Wujiapi."III. On the Structure of Glycoside G and K of Bei-Wujiapi

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概要

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• The chemical structure of glycoside G (I), C_<36>H_<56>O_<13>, mp 232-233°, [α]^<19>_D+30.2°(EtOH) and glycoside K (V), C_<40>H_<66>O_<16>, mp 240-241°, [α]^<20>_D -27.58°(MeOH) were isolated from Bei-Wujiapi (cortex of Periploca sepium B_<GE>.) and established to be periplocin and Δ^5-pregnene-3β, 20α-diol(20)-β-D-glucopyranosyl (1_<glu>→6_<glu>)-β-D-glucopyranosyl (1_<glu>→2_<dig>)-β-D-digitalopyranoside. It should be noted that glycoside K is the first example of the pregnane type glycoside whose sugar moiety links to the hydroxyl group other than C_3-hydroxyl group of the steroidal aglycone.

• 公益社団法人日本薬学会の論文
• 1971-01-25

著者

• 庄司 順三

  School Of Pharmaceutical Sciences Showa University

• 笠井 良次

  School of Pharmaceutical Sciences, Showa University

• 佐久間 聖一

  School of Pharmaceutical Sciences, Showa University

• 川西 幸子

  School Of Pharmaceutical Sciences Showa University

• 佐久間 聖一

  School Of Pharmaceutical Sciences Showa University

• 石曾根 博之

  School of Pharmaceutical Science, Showa University

• 石曾根 博之

  School Of Pharmaceutical Science Showa University

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