Ginsenoside Rg2

Upper classes

IDs and Links
LipidBank	[1]
LipidMaps	[2]
CAS	52286-74-5
KEGG	{{{KEGG}}}
KNApSAcK	[3]
CDX file
MOL file	Ginsenoside Rg2.mol

Ginsenoside Rg2
Structural Information
Systematic Name	(3beta,6alpha,12beta)-3,12,20-Trihydroxydammar-24-en-6-yl 2-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranoside
Common Name	Ginsenoside Rg2 Panaxoside Rg2 Prosapogenin C2 Dammarane beta-D-glucopyranoside deriv. 20(S)-Ginsenoside Rg2 Chikusetsusaponin I GF VI
Symbol
Formula	C42H72O13
Exact Mass	784.49729239
Average Mass	785.01328
SMILES	C(C(OC(O6)C(C(O)C(C6CO)O)OC(O5)C(C(C(C5C)O)O)O)4)C(C2C(C)(C34)CCC(C(C)(C)3)O)(C)C(C1C(C2)O)(CCC1C(CCC=C(C)C)(C)O)C
Physicochemical Information
Melting Point
Boiling Point
Density
Optical Rotation
Reflactive Index
Solubility
Spectral Information
Mass Spectra
UV Spectra
IR Spectra
NMR Spectra
Chromatograms

Spectroscopic Data

Free alcohol

M.P.1	187 - 189 °C
IR (KBr)1	3400 (OH), 1620 (C=C) cm-1
13C-NMR (C5D5N, 25.15MHz)2	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

Per-O-methyl ether

M.P.1	126 °C
1H-NMR (CDCl3)1	0.88 (s, 3xCH3), 1.00 (CH3), 1.07 (CH3), 1.22 (d, J=6.0 Hz, 3xH-6 of Rha), 1.26 (CH3), 1.60, 1.65 (each s, 2xCH3), 3.33-3.57 (8xOCH3), 4.60 (d, J=7.0 Hz, H-1 of Glc), 5.15 (br, H-24), 5.31 (br, H-1 of Rha)

1) S. Shibata et al., Chem.Pharm.Bull., 22, 2407 (1974)., 2) T. Taniyama et al., Yakugaku Zasshi, 103, 612 (1983).