Ginsenoside Rb3

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Upper classes



Ginsenoside Rb3
Ginsenoside Rb3.png
Structural Information
Systematic Name (3beta,12beta)-3-[(2-O-beta-D-Glucopyranosyl-beta-D-glucopyranosyl)oxy]-12-hydroxydammar-24-en-20-yl 6-O-beta-D-xylopyranosyl-beta-D-glucopyranoside
Common Name
  • Ginsenoside Rb3
  • Gypenoside IV
  • Dammarane beta-D-glucopyranoside deriv.
Symbol
Formula C53H90O22
Exact Mass 1078.592374564
Average Mass 1079.2685000000001
SMILES CC(C)(C1OC(O7)C(OC(C8O)OC(CO)C(C8O)O)C(C(C7CO)O)O)C(C2)C(C(C6)C(C(C(C6O)3)(CCC3C(CCC=C(C)C)(C)OC(O4)C(C(C(C4COC(O5)C(C(O)C(O)C5)O)O)O)O)C)(C)C2)(C)CC1
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.1 193 - 195 °C
IR (KBr)3 3375, 1640, 1160, 1075, 1040, 1015, 980 cm-1
1H-NMR (C5D5N, 100 MHz)3 0.83 (s, CH3), 0.97 (s, 2xCH3), 1.07 (s, CH3), 1.25 (s, CH3), 1.63 (s, CH3), 1.66 (s, 2xCH3), 4.83, 4.89, 5.04 (each d, J=7.0 Hz, 3 x anomeric H), 5.25 (m, H-12)
13C-NMR (C5D5N, 25.15MHz)2 C-1) 39.5, (2) 26.9, (3) 89.3, (4) 39.9, (5) 56.7, (6) 18.7, (7) 35.4, (8) 40.3, (9) 50.4, (10) 37.1, (11) 31.0, (12) 30.4, (13) 49.7, (14) 51.6, (15) 31.0, (16) 26.9, (17) 51.9, (18) 16.2, (19) 16.4, (20) 83.7, (21) 22.5, (22) 36.4, (23) 23.3, (24) 126.1, (25) 131.1, (26) 25.9, (27) 18.1, (28) 28.3, (29) 16.7, (30) 17.6 Glc I (1) 105.1, (2) 83.7, (3) 78.1, (4) 72.0, (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 Glc III (1) 98.2, (2) 75.0, (3) 79.2, (4) 72.0, (5) 76.9, (6) 70.1 Xyl (1) 105.6, (2) 74.7, (3) 77.8, (4) 71.1, (5) 66.8

1) J. Shoji et al., Chem.Pharm.Bull., 26, 1694 (1978)., 2) K. Yoshikawa et al., Yakugaku Zasshi, 106, 664 (1986)., 3) M. Okuhira et al., Yakugaku Zasshi, 103, 173 (1983).

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