View source for Licoricesaponin L3

==Spectroscopic Data==

{| class="wikitable" style="width:80%"
|- 
| '''M.P.''' || 233 - 234 °C 
|- 
| '''IR''' (KBr || 3650-3100 (br), 2912, 1704 (br), 1658, 1622, 1382, 1048 cm<sup>-1</sup>
|-
| '''<sup>1</sup>H-NMR''' (C<sub>5</sub>D<sub>5</sub>N+D<sub>2</sub>O, 500 MHz)|| 0.92 (s, CH<sub>3</sub>), 0.93 (s, CH<sub>3</sub>), 0.99 (s, CH<sub>3</sub>), 1.32 (s, CH<sub>3</sub>), 1.33 (s, CH<sub>3</sub>), 1.44 (s, CH<sub>3</sub>), 1.74 (d, ''J''=6.1 Hz, 3xH-6 of Rha), 2.02 (s, OCOCH<sub>3</sub>), 3.42 (dd, ''J''=3.6, 12.0 Hz, H-3), 4.95 (d, ''J''=7.6 Hz, H-1 of GlcUA), 5.52 (d, ''J''=7.3 Hz, H-1 of  Ara), 5.54 (brs, H-12), 6.15 (brs, H-1 of Rha)
|-
| '''<sup>13</sup>C-NMR''' (C<sub>5</sub>D<sub>5</sub>N+D<sub>2</sub>O, 125MHz)|| C-1) 38.7, (2) 26.3, (3) 91.0, (4) 44.0, (5) 56.1, (6) 18.8, (7) 32.9, (8) 40.1, (9) 47.7, (10) 36.2, (11) 24.0, (12) 124.7, (13) 144.1, (14) 41.9, (15) 26.6, (16) 27.8, (17) 37.5, (18) 44.2, (19) 40.8, (20) 29.8, (21) 41.7, (22) 78.1, (23) 22.9, (24) 63.4, (25) 15.7, (26)16.8, (27) 26.3, (28) 26.6, (29) 29.8, (30) 179.4 '''GlcUA''' (1) 105.4, (2) 78.1, (3) 75.8, (4) 72.6, (5) 77.6, (6) 172.2 '''Ara''' (1)102.2, (2) 78.1, (3) 76.7, (4) 70.7, (5) 66.8 '''Rha''' (1) 101.8, (2) 72.3, (3) 73.9, (4) 74.4, (5) 69.4, (6) 18.5  
|}
<small>M. Yoshikawa et al., Chem.Pharm.Bull., 41, 1567 (1993).</small>