has role has parent hydride metabolite hydroxy monocarboxylic acid cyclic ether HIV-1 reverse transcriptase inhibitor salaspermic acid (3S,5aR,7aS,7bR,9aS,12R,13aR,13bS,15aR,15bS,16R)-3-hydroxy-7b,9a,12,13b,15a,16-hexamethylicosahydro-3,5a-methanochryseno[2,1-c]oxepine-12(5H)-carboxylic acid (3beta,20alpha)-3,24-epoxy-3-hydroxy-D:A-friedooleanan-29-oic acid 472.69970 A hexacyclic triterpenoid that is D:A-friedooleanan-29-oic acid substituted by a hydroxy group at position 3 and an epoxy group across positions 3 and 24 (the (3beta,20alpha stereoisomer). Isolated from Salacia macrosperma and Tripterygium wilfordii, it exhibits anti-HIV activity. C30H48O4 CAS:71247-78-4 CBA:338605 CBA:371262 CBA:379028 CHEBI:66153 InChI=1S/C30H48O4/c1-19-29-9-7-20-26(4,21(29)8-10-30(19,33)34-18-29)14-16-28(6)22-17-25(3,23(31)32)12-11-24(22,2)13-15-27(20,28)5/h19-22,33H,7-18H2,1-6H3,(H,31,32)/t19-,20+,21+,22-,24-,25-,26-,27-,28+,29+,30+/m1/s1 PMID:1375626 PMID:17972583 PMID:7720147 PMID:8158155 Reaxys:4889115 ZXENWDWQTWYUGY-UUZWCOCASA-N [H][C@@]12CC[C@]3(O)OC[C@@]1(CC[C@@]1([H])[C@@]2(C)CC[C@@]2(C)[C@]4([H])C[C@@](C)(CC[C@]4(C)CC[C@]12C)C(O)=O)[C@H]3C chebi_ontology hexacyclic triterpenoid friedelane