Ginsenoside La

From Metabolomics.JP
Jump to: navigation, search



Upper classes



Ginsenoside La
Ginsenoside La.png
Structural Information
Systematic Name (3beta,12beta,23R)-12,23-Epoxydammar-24-ene-3,20-diyl bis-beta-D-glucopyranoside
Common Name
  • Ginsenoside La
  • (-)-Ginsenoside La
Symbol
Formula C42H70O13
Exact Mass 782.481642326
Average Mass 782.9974
SMILES C(C(OC(O7)C(O)C(O)C(C(CO)7)O)6)(C(C5)C(CC6)(C(C1)C(C)(C5)C(C4)(C(C2C4)C1OC(CC2(C)OC(O3)C(C(O)C(O)C3CO)O)C=C(C)C)C)C)(C)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. 179 - 180 °C
IR (KBr) 3500 (OH) cm-1
1H-NMR (C5D5N) 0.77 (brd, J=11.0 Hz, H-5), 0.83 (s, 3xH-19), 0.88 (dt, J=12.0, 3.0 Hz, H-1A), 0.95 (s, 3xH-18), 1.00 (s, 3xH-29), 1.06 (s, 3xH-30), 1.07 (td, J=15.5 Hz, H-15A), 1.26 (tdd, J=11.0, 4.0, 1.0 Hz, H-7), 1.30 (s, 3xH-28), 1.36 (q, J=11.0 Hz, H-11A), 1.38 (brq, J=11.0 Hz, H-6A), 1.48 (m, H-7A), 1.48 (m, H-15B), 1.50 (s, 3xH-21), 1.50 (m, H-9), 1.52 (m, H-6B), 1.54 (dt, J=12.0, 4.5 Hz, H-1B), 1.59 (t, J=11.0 Hz, H-13), 1.66 (s, 3xH-26), 1.80 (s, 3xH-27), 1.82 (qd, J=12.0, 4.5 Hz, H-2A), 1.94 (ddd, J=11.0, 8.0, 5.0 Hz, H-11B), 2.11 (ddd, J=15.0, 10.0, 4.3 Hz, bH-16A), 2.22 (dd, J=16.0, 9.0 Hz, H-22A), 2.25 (m, H-2B), 2.26 (m, H-16B), 2.81 (d, J=16.0 Hz, H-22B), 3.16 (td, J=11.0, 4.3 Hz, H-17), 3.38 (dd, J=12.0, 4.2 Hz, H-3), 3.64 (td, J=11.0, 5.0 Hz, H-12), 3.97 (t, J=8.0 Hz, H-2 of Glc II), 3.98 (m, H-5 of Glc II), 4.02 (m, H-5 Glc I), 4.04 (t, J=8.0 Hz, H-2 of Glc I), 4.22 (m, H-4 of Glc I), 4.23 (m, H-4 of Glc II), 4.26 (m, H-3 of Glc I and Glc II), 4.36 (dd, J=11.0, 2.0 Hz, H-6A of Glc II), 4.40 (dd, J=11.0, 5.0 Hz, H-6A of Glc I), 4.54 (dd, J=11.0, 5.0 Hz, H-6B of Glc II), 4.60 (dd, J=11.0, 2.0 Hz, H-6B of Glc I), 4.81 (t, J=9.0 Hz, H-23), 4.94 (d, J=8.0 Hz, H-1 of Glc I), 4.94 (d, J=8.0 Hz, H-1 of Glc I), 5.13 (d, J=8.0 Hz, H of Glc II), 5.13 (d, J=8.0 Hz, H-1 of Glc II), 5.51 (brd, J=9.0 Hz, H-24)
13C-NMR (C5D5N) C-1) 39.4, (2) 26.7, (3) 88.7, (4) 39.7, (5) 56.4, (6) 18.4, (7) 35.2, (8) 39.8, (9) 50.6, (10) 37.1, (11) 30.1, (12) 79.8, (13) 49.7, (14) 51.2, (15) 32.5, (16) 25.5, (17) 46.9, (18) 15.5, (19) ~16.5, (20) 81.8, (21) 24.6, (22) 51.8, (23) 72.4, (24) 129.2, (25) 131.4, (26) 24.6, (27) 18.8, (28) 28.1, (29) 16.8, (30) n.a. Glc I (1) 106.9, (2) 75.8, (3) 78.8, (4) 71.8, (5) 78.3, (6) 63.1 Glc II (1) 99.3, (2) 75.3, (3) 78.9 , (4) 71.9, (5) 78.2, (6) 63.1

T. Kikuchi et al., Chem.Pharm.Bull., 37, 1966 (1989).

Personal tools
Namespaces

Variants
Actions
Navigation
metabolites
Toolbox