A steroid saponin that is 17alpha-pregnenolone which is substituted by hydroxy groups at positions 8, 12beta, 14beta and 17beta, in which the 14beta-hydrocy group has been acylated by formal condensation with the carboxy group of (2E)-3,4-dimethylpent-2-enoic acid, and in which the hydroxy group at position 3 has been glycosylated with 2,6-dideoxy-3-O-methyl-beta-D-arabino-hexopyranosyl-(1->4)-2,6-dideoxy-3-O-methyl-beta-D-ribo-hexopyranosyl-(1->4)-2,6-dideoxy-3-O-methyl-beta-D-ribo-hexopyranos. A C-21 steroidal glycoside, it is the essential active ingredient of the traditional Chinese medicine Qingyangshen, isolated from Cynanchum otophyllum and used to treat epilepsy and rheumatic pain.
class Information
0
C49H78O16
chebi_ontology
YLHXSKZGPASTOD-ZMZOTGGVSA-N
InChI=1S/C49H78O16/c1-25(2)26(3)19-38(51)63-37-24-36-45(8)15-14-32(20-31(45)13-16-48(36,54)49(55)18-17-47(53,30(7)50)46(37,49)9)62-39-22-34(57-11)43(28(5)60-39)65-41-23-35(58-12)44(29(6)61-41)64-40-21-33(56-10)42(52)27(4)59-40/h13,19,25,27-29,32-37,39-44,52-55H,14-18,20-24H2,1-12H3/b26-19+/t27-,28-,29-,32+,33-,34+,35+,36-,37-,39+,40+,41+,42-,43-,44-,45+,46-,47-,48+,49-/m1/s1
923.136
922.52899
[C@]12(CC=C3[C@@]([C@]1(C[C@H]([C@]4([C@@]2(CC[C@]4(C(=O)C)O)O)C)OC(=O)/C=C(\C)/C(C)C)[H])(CC[C@@H](C3)O[C@@H]5O[C@@H]([C@@H](O[C@H]6C[C@H](OC)[C@@H]([C@H](O6)C)O[C@@H]7O[C@@H]([C@H]([C@@H](C7)OC)O)C)[C@H](C5)OC)C)C)O