6''-Malonoylginsenoside Rc

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(New page: {{Hierarchy|{{PAGENAME}}}} {{Metabolite |SysName=(3beta,12beta)-20-[(6-O-alpha-L-Arabinofuranosyl-beta-D-glucopyranosyl)oxy]-12-hydroxydammar-24-en-3-yl 2-O-[6-O-(carboxyacetyl)-beta-D-gl...)
 

Latest revision as of 09:37, 15 February 2010



Upper classes



Malonylginsenoside Rc
6''-Malonoylginsenoside Rc.png
Structural Information
Systematic Name (3beta,12beta)-20-[(6-O-alpha-L-Arabinofuranosyl-beta-D-glucopyranosyl)oxy]-12-hydroxydammar-24-en-3-yl 2-O-[6-O-(carboxyacetyl)-beta-D-glucopyranosyl]-beta-D-Glucopyranoside
Common Name
  • Malonylginsenoside Rc
  • Dammarane beta-D-glucopyranoside deriv.
  • Ginsenoside mRc
  • MG-Rc
Symbol
Formula
Exact Mass
Average Mass
SMILES
Physicochemical Information
Melting Point
Boiling Point
Density
Optical Rotation
Reflactive Index
Solubility
Spectral Information
Mass Spectra
UV Spectra
IR Spectra
NMR Spectra
Chromatograms





[edit] Spectroscopic Data

Free acid
M.P. 150 - 152 °C
IR (KBr) 3381, 2934, 1733, 1631, 1381, 1071 cm-1
Methyl ester
M.P. 159 - 163 °C
1H-NMR (C5D5N) 0.80 (s, CH3), 0.96 (s, 3xCH3), 1.12 (s, CH3), 1.32 (s, CH3), 1.63 (s), 1.67 (s, CH3), 3.65 (s, COOCH3), 3.75 (s, OC-CH2-CO)
13C-NMR (C5D5N, 22.5MHz) C-3) 89.3, (12) 70.3, (20) 83.4 Glc I (1) 104.8, (2) 84.1, (3) 77.9, (4) 72.1, (5) 77.9, (6) 62.6 Glc II (1) 106.0, (2) 76.6, (3) 78.8, (4) 70.9, (5) 75.1, (6) 65.4 Glc III (1) 98.1, (2) 75.0, (3) 78.4, (4) 71.4, (5) 76.4, (6) 68.4 Ara(f) (1) 110.0, (2) 83.1, (3) 79.0, (4) 86.0, (5) 62.6 Malonoyl (1) 167.2, (2) 41.6, (3) 167.2, (OCH3) 52.2

Y. Nakagawa et al., Chem.Pharm.Bull., 37, 2961 (1989).

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