has role macrolide antibiotic metabolite tertiary alcohol tertiary amine secondary alcohol antifungal agent cyclic hemiketal NK154183B (4E,18E)-13-{[5-(dimethylamino)-6-methyltetrahydro-2H-pyran-2-yl]oxy}-11,12,14,16,17,27a-hexahydroxy-6'-(2-hydroxybutyl)-2,2,11,15,17,28-hexamethyl-2,3,3',3a,4',5',6,6',7,8,9,10,11,12,13,14,15,16,17,22,23,26,27,27a-tetracosahydro-20H-spiro[22,26-methanofuro[2,3-h][1,5]dioxacyclohexacosine-24,2'-pyran]-20-one 911.597 912.19750 A 24-membered macrolide antibiotic isolated from the fermentation broth of Streptomyces sp.NK154183. It exhibits antifungal and antitumour activity against the human colon adenocarcinoma. C49H85NO14 CAS:152986-49-7 CCC(O)CC1CCCC2(CC3OC(=O)\C=C\C(C)(O)C(O)C(C)C(O)C(OC4CCC(C(C)O4)N(C)C)C(O)C(C)(O)CCCCC\C=C\C4CC(C)(C)OC4(O)CC(O2)C3C)O1 CHEBI:66630 InChI=1S/C49H85NO14/c1-11-34(51)26-35-19-17-24-48(62-35)28-37-30(2)38(63-48)29-49(58)33(27-45(5,6)64-49)18-15-13-12-14-16-23-46(7,56)44(55)42(61-40-21-20-36(50(9)10)32(4)59-40)41(53)31(3)43(54)47(8,57)25-22-39(52)60-37/h15,18,22,25,30-38,40-44,51,53-58H,11-14,16-17,19-21,23-24,26-29H2,1-10H3/b18-15+,25-22+ PMID:9031676 Reaxys:8182998 XGECDDPXIKFBTE-WXJXXXITSA-N chebi_ontology spiroketal