10.6084/m9.figshare.4569844.v1
Masateru Ono
Masateru
Ono
Yukiyo Kanemaru
Yukiyo
Kanemaru
Shin Yasuda
Shin
Yasuda
Masafumi Okawa
Masafumi
Okawa
Junei Kinjo
Junei
Kinjo
Hiroyuki Miyashita
Hiroyuki
Miyashita
Kazumi Yokomizo
Kazumi
Yokomizo
Hitoshi Yoshimitsu
Hitoshi
Yoshimitsu
Toshihiro Nohara
Toshihiro
Nohara
A new resin glycoside from <i>Calystegia soldanella</i> and its antiviral activity towards herpes
Taylor & Francis Group
2017
Resin glycoside
Calystegia soldanella
Convolvulaceae
calysolin
3-hydroxy-2-methylenebutyric acid
antiviral activity
2017-01-20 11:16:28
Journal contribution
https://tandf.figshare.com/articles/journal_contribution/A_new_resin_glycoside_from_i_Calystegia_soldanella_i_and_its_antiviral_activity_towards_herpes/4569844
<p>A new resin glycoside, named calysolin XVIII (<b>1</b>), was isolated from the leaves, stems and roots of <i>Calystegia soldanella</i> Roem. et Schult. (Convolvulaceae). The structure of <b>1</b> was defined as 11<i>S</i>-jalapinolic acid 11-<i>O</i>-β-d-glucopyranosyl-(1 → 3)-<i>O</i>-(2-<i>O</i>-2<i>S</i>-methylbutyryl,4-<i>O</i>-3-hydroxy-2-methylenebutyryl)-α-l-rhamnopyranosyl-(1 → 2)-[<i>O</i>-β-d-glucopyranosyl-(1 → 6)-<i>O</i>-(34-di-<i>O</i>-2<i>S</i>-methylbutyryl)-β-d-glucopyranosyl-(1 → 3)]-<i>O</i>-β-d-glucopyranosyl-(1 → 2)-β-d-quinovopyranoside, intramolecular 1,2″′″′-ester on the basis of spectroscopic data. Compound <b>1</b> is the first known resin glycoside to feature 3-hydroxy-2-methylenebutyric acid as a component organic acid. In addition, <b>1</b> demonstrated an antiviral activity against herpes simplex virus type 1, with an IC<sub>50</sub> value 2.3 μM.</p>