Licoricesaponin C2

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==NMR Data==
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[[Image:Licoricesaponin c2 ester hnmr.PNG|thumb|600px|none|<sup>1</sup>H-NMR Licoricesaponin C2 Methyl ester / pyridine-<i>d</i><sub>5</sub>]]
  
  

Revision as of 15:37, 9 February 2010



Upper classes



Licoricesaponin C2
Licoricesaponin C2.png
Structural Information
Systematic Name (3beta,20beta)-20-Carboxy-30-noroleana-11,13(18)-dien-3-yl 2-O-beta-D-glucopyranuronosyl-beta-D-glucopyranosiduronic acid
Common Name
  • Licoricesaponin C2
  • Saponin C2 from licorice
  • 30-Noroleanane beta-D-glucopyranosiduronic acid deriv.
Symbol
Formula C42H62O15
Exact Mass 806.408871314
Average Mass 806.93268
SMILES C(O)(=O)C(C7)(CC(=C12)C(C)(C7)CCC(C)1C(C6)(C)C(C(C)(C(C6)3)CCC(OC(O4)C(OC(O5)C(C(C(C5C(O)=O)O)O)O)C(O)C(O)C4C(O)=O)C3(C)C)C=C2)C
Physicochemical Information
Melting Point
Boiling Point
Density
Optical Rotation
Reflactive Index
Solubility
Spectral Information
Mass Spectra
UV Spectra
IR Spectra
NMR Spectra
Chromatograms





NMR Data

1H-NMR Licoricesaponin C2 Methyl ester / pyridine-d5


Spectroscopic Data

Free acid
M.P. 249 - 251 °C
IR (KBr) 3400 (OH), 1710 (COOH), 1640 cm-1
Trimethyl ester
M.P. 174 - 176 °C
13C-NMR (C5D5N, 22.5MHz) C-3) 89.5, (11) 125.5, (12) 126.7, (13) 135.8, (14) 135.8, (18) 39.9, (22) 178.4 GlcUA I (1) 104.8, (2) 84.3, (3) 76.5, (4) 72.4, (5) 77.2, (6) 169.8 GlcUA II (1)106.6, (2) 76.5, (3) 77.4, (4) 72.7, (5) 77.2, (6) 170.1

M. Yoshikawa et al., Chem.Pharm.Bull., 36, 3710 (1988).

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