http://metabolomics.jp/mediawiki/index.php?action=history&feed=atom&title=Ginsenoside_Rg2
Ginsenoside Rg2 - Revision history
2026-04-28T02:24:24Z
Revision history for this page on the wiki
MediaWiki 1.19.1
http://metabolomics.jp/mediawiki/index.php?title=Ginsenoside_Rg2&diff=106087&oldid=prev
Toyama: New page: {{Hierarchy|{{PAGENAME}}}} {{Metabolite |SysName=(3beta,6alpha,12beta)-3,12,20-Trihydroxydammar-24-en-6-yl 2-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranoside |Common Name=&&Ginse...
2010-02-16T02:28:21Z
<p>New page: {{Hierarchy|{{PAGENAME}}}} {{Metabolite |SysName=(3beta,6alpha,12beta)-3,12,20-Trihydroxydammar-24-en-6-yl 2-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranoside |Common Name=&&Ginse...</p>
<p><b>New page</b></p><div>{{Hierarchy|{{PAGENAME}}}}<br />
<br />
{{Metabolite<br />
|SysName=(3beta,6alpha,12beta)-3,12,20-Trihydroxydammar-24-en-6-yl 2-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranoside<br />
|Common Name=&&Ginsenoside Rg2&&Panaxoside Rg2&&Prosapogenin C2&&Dammarane beta-D-glucopyranoside deriv.&&20(S)-Ginsenoside Rg2&&Chikusetsusaponin I&&GF VI&&<br />
|CAS=52286-74-5<br />
|KNApSAcK=<br />
}}<br />
<br />
<br />
==Spectroscopic Data==<br />
<br />
{| class="wikitable" style="width:80%"<br />
'''Free alcohol'''<br />
|-<br />
| '''M.P.'''<sup>1</sup> || 187 - 189 °C <br />
|-<br />
| '''IR''' (KBr)<sup>1</sup>|| 3400 (OH), 1620 (C=C) cm<sup>-1</sup><br />
|-<br />
| '''<sup>13</sup>C-NMR''' (C<sub>5</sub>D<sub>5</sub>N, 25.15MHz)<sup>2</sup>|| C-1) 39.6, (2) 27.8, (3) 78.8, (4) 40.3, (5) 61.2, (6) 78.1, (7) 45.8, (8) 41.2, (9) 50.0, (10) 39.7, (11) 32.2, (12) 71.0, (13) 48.9, (14) 51.8, (15) 31.1, (16) 27.1, (17) 54.7, (18) 17.9, (19) 17.8, (20) 73.0, (21) 26.8, (22) 35.5, (23) 23.0, (24) 126.3, (25) 130.8, (26) 25.8, (27) 17.7, (28) 31.7, (29) 17.3, (30) 17.4 '''Glc''' (1) 101.8, (2) 79.4, (3) 78.6, (4) 72.3, (5) 78.6, (6) 63.4 '''Rha''' (1) 101.8, (2) 72.8, (3) 72.6 , (4) 74.3, (5) 69.6, (6) 18.9 <br />
|}<br />
{| class="wikitable" style="width:80%"<br />
'''Per-O-methyl ether'''<br />
|-<br />
| '''M.P.'''<sup>1</sup> || 126 °C <br />
|-<br />
| '''<sup>1</sup>H-NMR''' (CDCl<sub>3</sub>)<sup>1</sup>|| 0.88 (s, 3xCH<sub>3</sub>), 1.00 (CH<sub>3</sub>), 1.07 (CH<sub>3</sub>), 1.22 (d, ''J''=6.0 Hz, 3xH-6 of Rha), 1.26 (CH<sub>3</sub>), 1.60, 1.65 (each s, 2xCH<sub>3</sub>), 3.33-3.57 (8xOCH<sub>3</sub>), 4.60 (d, ''J''=7.0 Hz, H-1 of Glc), 5.15 (br, H-24), 5.31 (br, H-1 of Rha)<br />
|}<br />
<small>1) S. Shibata et al., Chem.Pharm.Bull., 22, 2407 (1974)., 2) T. Taniyama et al., Yakugaku Zasshi, 103, 612 (1983).</small></div>
Toyama