Koryoginsenoside-R1

Upper classes

{{Metabolite |SysName=(E)-(3beta,6alpha,12beta)-3,12-Dihydroxy-6-[[6-O-(1-oxo-2-butenyl)-beta-D-glucopyranosyl]oxy]dammar-24-en-20-ylbeta-D-glucopyranoside |Common Name=&&Koryoginsenoside R1&& |CAS=171674-97-8 |KNApSAcK= }}

Spectroscopic Data

IR (KBr)	3500-3300 (OH), 2930 (CH), 1710 (conjugated CO, ester), 1640, 1440, 1380, 1300 cm-1
1H-NMR (C5D5N, 400 MHz)	0.94 (s, 3xH-30), 1.07 (s, 3xH-19), 1.39 (s, 3xH-18), 1.52 (s, 3xH-29), 1.62 (s, 3xH-26 and 3xH-27), 1.63 (s, 3xH-21), 1.75 (d, J=6.6 Hz, 3xH-4 of But), 2.01 (s, 3xH-28), 3.46 (dd, J=11.5, 4.6 Hz, H-3), 4.11 (m, H-12), 4.37 (dd, J=10.5, 3.6 Hz, H-6), 5.01 (d, J=7.6 Hz, H-1 of Glc I), 5.15 (d, J=7.8 Hz, H-1 of Glc II), 5.27 (t, J=6.7 Hz, H-24), 6.02 (d, J=15.6 Hz, H-2 of But), 7.06 (dq, J=15.6, 7.0 Hz, H-3 of But)
13C-NMR (C5D5N, 100MHz)	C-1) 39.6, (2) 27.9, (3) 78.8, (4) 40.3, (5) 61.5, (6) 80.0, (7) 45.6, (8) 41.4, (9) 50.1, (10) 39.8, (11) 31.0, (12) 70.3, (13) 49.3, (14) 51.5, (15) 31.1, (16) 26.8, (17) 51.8, (18) 17.7, (19) 17.6, (20) 83.4, (21) 22.4, (22) 36.2, (23) 23.3, (24) 126.0, (25) 131.0, (26) 25.8, (27) 17.8, (28) 31.6, (29) 16.5, (30) 17.4 Glc I (1) 106.1, (2) 75.5, (3) 79.2, (4) 71.8, (5) 75.2, (6) 65.1 But (1) 166.6, (2) 123.3, (3) 144.7, (4) 17.6 Glc II (1) 98.3, (2) 75.2, (3) 79.2, (4) 71.6, (5) 78.2, (6) 63.1

C.-R. Yang et al., Phytochemistry, 40, 1493 (1995).