20S-Ginsenoside Rg3

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Upper classes



20(S)-Ginsenoside-Rg3
20S-Ginsenoside Rg3.png
Structural Information
Systematic Name (3beta,12beta)-12,20-Dihydroxydammar-24-en-3-yl 2-O-beta-D-glucopyranosyl-beta-D-glucopyranoside
Common Name
  • 20(S)-Ginsenoside-Rg3
  • Ginsenoside Rg3
  • 3beta-[(2-O-beta-D-Glucopyranosyl-beta-D-glucopyranosyl)oxy]-dammar-24-ene-12beta,20-diol
  • Dammarane beta-D-glucopyranoside deriv.
  • (20S)-Propanaxadiol
  • (3beta,12beta)-12,20-Dihydroxydammar-24-en-3-yl O-beta-D-glucopyranosyl-(12)-beta-D-glucopyranoside
Symbol
Formula C42H72O13
Exact Mass 784.49729239
Average Mass 785.01328
SMILES C(C1)C(C(CCC=C(C)C)(C)O)C(C(O)6)C(C)1C(C5)(C)C(C6)C(C(C5)2)(CCC(OC(C3OC(C4O)OC(CO)C(O)C4O)OC(CO)C(C3O)O)C(C)(C)2)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

M.P.2 298 - 303 °C
IR (KBr)1 3350, 1635, 1155, 1075, 1035, 1020, 985 cm-1
1H-NMR (C5D5N, 100 MHz)1 0.86 (s, CH3), 1.00 (s, CH3), 1.11 (s, CH3), 1.31 (s, CH3), 1.40 (s, CH3), 1.65 (s, CH3), 1.68 (s, CH3), 4.91 and 5.33 (each d, J=7.0 Hz, 2 x anomeric H), 5.30 (m, H-24)
13C-NMR (C5D5N, 25.15MHz)1 C-1) 39.4, (2) 26.9, (3) 89.2, (4) 39.9, (5) 56.6, (6) 18.6, (7) 35.4, (8) 40.2, (9) 50.6, (10) 37.2, (11) 32.3, (12) 71.0, (13) 49.4, (14) 51.9, (15) 31.6, (16) 26.9, (17) 50.8, (18) 16.0, (19) 16.5, (20) 73.2, (21) 22.8, (22) 43.4, (23) 22.8, (24) 126.2, (25) 130.8, (26) 25.9, (27) 17.8, (28) 28.3, (29) 16.7, (30) 17.5 Glc I (1) 105.1, (2) 83.5, (3) 78.1, (4) 71.9, (5) 78.1, (6) 63.1 Glc II (1) 106.0, (2) 77.0, (3) 78.5, (4) 72.0, (5) 78.1, (6) 63.1

1) M. Okuhira et al., Yakugaku Zasshi, 103, 173 (1983)., 2) T. Taniyama et al., Yakugaku Zasshi, 103, 612 (1983).

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