title: The synthesis and evaluation of flavone and isoflavone chimeras of novobiocin and derrubone.
abstract: The natural products novobiocin and derrubone have both demonstrated Hsp90 inhibition and structure-activity relationships have been established for each scaffold. Given these compounds share several key structural features, we hypothesized that incorporation of elements from each could provide insight to structural features important for Hsp90 inhibition. Thus, chimeric analogues of novobiocin and derrubone were constructed and evaluated. These studies confirmed that the functionality present at the 3-position of the isoflavone plays a critical role in determining Hsp90 inhibition and suggests that the bicyclic ring system present in both novobiocin and derrubone do not share similar modes of binding.
authors.affiliation: Department of Medicinal Chemistry, 1251 Wescoe Hall Drive, Malott 4070, The University of Kansas, Lawrence, KS 66045-7563, United States.
authors.forename: Jared R
authors.initials: JR
authors.lastname: Mays
authors.forename: Stephanie A
authors.initials: SA
authors.lastname: Hill
authors.forename: Justin T
authors.initials: JT
authors.lastname: Moyers
authors.forename: Brian S J
authors.initials: BS
authors.lastname: Blagg
mesh_terms: D000970:Antineoplastic Agents / Q000138:chemical synthesis / Q000737:chemistry* / Q000494:pharmacology*; D001943:Breast Neoplasms / Q000188:drug therapy; D045744:Cell Line, Tumor; D049109:Cell Proliferation / Q000187:drug effects; D005260:Female; D047309:Flavones / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology; D018841:HSP90 Heat-Shock Proteins / Q000037:antagonists & inhibitors / Q000378:metabolism; D006801:Humans; D007529:Isoflavones / Q000138:chemical synthesis / Q000737:chemistry* / Q000494:pharmacology*; D015394:Molecular Structure; D009675:Novobiocin / Q000138:chemical synthesis / Q000737:chemistry* / Q000494:pharmacology*
chemical_list: D000970:Antineoplastic Agents; D047309:Flavones; D018841:HSP90 Heat-Shock Proteins; D007529:Isoflavones; C527020:derrubone; D009675:Novobiocin