OntologieschebiclassesCHEBI:139305   
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otophylloside B
http://purl.obolibrary.org/obo/CHEBI_139305

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.

Also appears inslm
Exact Synonyms
3beta-{[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-hexopyranosyl]oxy}-8,14beta,17beta-trihydroxy-20-oxo-17alpha-pregn-5-en-12beta-yl (2E)-3,4-dimethylpent-2-enoate
Related Synonyms
(3beta,12beta,14beta,17alpha)-3-{[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-hexopyranosyl]oxy}-8,14,17-trihydroxy-20-oxopregn-5-en-12-yl (2E)-3,4-dimethylpent-2-enoate
Ot B
class Information
charge

0

formula

C49H78O16

has_obo_namespace

chebi_ontology

inchikey

YLHXSKZGPASTOD-ZMZOTGGVSA-N

inchi

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

in_subset

3_STAR

mass

923.136

monoisotopicmass

922.52899

smiles

[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

class Relations