Ginsenoside Rb1

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Upper classes



Ginsenoside Rb1
Ginsenoside Rb1.png
Structural Information
Systematic Name (3beta,12beta)-20-[(6-O-beta-D-Glucopyranosyl-beta-D-glucopyranosyl)oxy]-12-hydroxydammar-24-en-3-yl 2-O-beta-D-glucopyranosyl-beta-D-glucopyranoside
Common Name
  • Ginsenoside Rb1
  • Dammarane beta-D-Glucopyranoside deriv.
  • Arasaponin E1
  • Gynosaponin C
  • Gypenoside III
  • Notoginsenoside Rb1
  • Panaxoside Rb1
  • Sanchinoside E1
  • Sanchinoside Rb1
Symbol
Formula C54H92O23
Exact Mass 1108.60293925
Average Mass 1109.29448
SMILES C(OC(O8)(C(C(C(O)C8CO)O)OC(O7)(C(O)C(C(C7CO)O)O)[H])[H])(C1(C)C)CCC(C)(C2([H])6)C([H])(CCC2(C)C(C3([H])C(O)C6)(C)CCC(C(C)(OC(C5O)OC(C(C5O)O)COC(O4)C(C(O)C(O)C(CO)4)O)CCC=C(C)C)([H])3)1
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.1 197 - 198 °C
IR (KBr)3 3375, 1635, 1160, 1075, 1040, 1015, 985 cm-1
1H-NMR (C5D5N, 100 MHz)3 0.83 (s, CH3), 0.96 (s, 2xCH3), 1.08 (s, CH3), 1.26 (s, CH3), 1.63 (s, CH3), 1.64 (s, CH3), 1.65 (s, CH3), 4.85, 5.00, 5.07, 5.28 (each d, J=7.0 Hz, 4 x anomeric H), 5.30 (m, H-24)
13C-NMR (C5D5N, 25.15MHz)2 C-1) 39.1, (2) 26.6, (3) 89.3, (4) 39.6, (5) 56.3, (6) 18.6, (7) 35.1, (8) 39.9, (9) 50.1, (10) 36.8, (11) 30.8, (12) 70.1, (13) 49.3, (14) 51.3, (15) 30.8, (16) 26.6, (17) 51.6, (18) 16.2, (19) 15.9, (20) 83.5, (21) 22.6, (22) 36.1, (23) 23.1, (24) 125.8, (25) 131.0, (26) 25.8, (27) 17.9, (28) 28.0, (29) 16.5, (30) 17.3 Glc I (1) 105.0, (2) 82.9, (3) 77.2, (4) 71.5, (5) 78.0, (6) 62.6 Glc II (1) 105.6, (2) 76.7, (3) 78.8, (4) 71.5, (5) 78.0, (6) 62.6 Glc III (1) 97.9, (2) 74.9, (3) 78.0, (4) 71.5, (5) 76.7, (6) 71.5 Glc IV (1) 105.0, (2) 74.9, (3) 78.0, (4) 71.5, (5) 78.0, (6) 62.6

1) S. Shibata et al., Chem.Pharm.Bull., 22, 412 (1974)., 2) T. Fuwa et al., Chem.Pharm.Bull., 32, 1188 (1984)., 3) M. Okuhira et al., Yakugaku Zasshi, 103, 173 (1983).

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