triterpenoid diosgenin 0 414.3134 414.63 pubmed:22754381 pubmed:22719792 pubmed:22837815 patent:US3019220 kegg.compound:C08898 (3beta,25R)-spirost-5-en-3-ol pubmed:20622501 pubmed:21990007 nitogenin knapsack:C00003576 chebi_ontology pubmed:23423339 cas:512-04-9 WQLVFSAGQJTQCK-VKROHFNGSA-N pubmed:22901014 reaxys:94582 pubmed:23246979 lipidmaps:LMST01080037 diosgenin CHEBI:4629 (25R)-spirost-5-en-3beta-ol (3beta,25R)-spirost-5-en-3-ol CHEBI:67838 wikipedia.en:Diosgenin pubmed:22266324 C27H42O3 [H][C@@]12CC=C3C[C@@H](O)CC[C@]3(C)[C@@]1([H])CC[C@@]1(C)[C@@]2([H])C[C@]2([H])O[C@]3(CC[C@@H](C)CO3)[C@@H](C)[C@]12[H] InChI=1S/C27H42O3/c1-16-7-12-27(29-15-16)17(2)24-23(30-27)14-22-20-6-5-18-13-19(28)8-10-25(18,3)21(20)9-11-26(22,24)4/h5,16-17,19-24,28H,6-15H2,1-4H3/t16-,17+,19+,20-,21+,22+,23+,24+,25+,26+,27-/m1/s1 pubmed:21391660 A sapogenin that is spirostan which is substituted by a hydroxy group at the 3β position, contains a double bond at the 5-6 position, and has <i>R</i>- configuration at position 25. A natural product found in <em>Dioscorea</em> (wild yam) species, it is used as the starting point for the commercial synthesis of a number of steroids, including cortisone, pregnenolone and progesterone. pubmed:23302635 pubmed:22904823 (20R,25R)-spirost-5-en-3beta-ol