title: Total synthesis of herboxidiene/GEX 1A.
abstract: A convergent enantioselective synthesis of herboxidiene/GEX 1A (1) is described that features a double stereodifferentiating crotylation, [4 + 2] annulation, and a silicon-based sp2-sp2 cross-coupling to assemble the conjugated diene.
authors.affiliation: Department of Chemistry and Center for Chemical Methodology and Library Development, Metcalf Center for Science and Engineering, Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, USA.
authors.forename: Yun
authors.initials: Y
authors.lastname: Zhang
authors.forename: James S
authors.initials: JS
authors.lastname: Panek
mesh_terms: D000970:Antineoplastic Agents / Q000138:chemical synthesis* / Q000737:chemistry / Q000494:pharmacology; D005233:Fatty Alcohols / Q000138:chemical synthesis* / Q000737:chemistry / Q000494:pharmacology; D015394:Molecular Structure; D011714:Pyrans / Q000138:chemical synthesis* / Q000737:chemistry / Q000494:pharmacology; D013237:Stereoisomerism; D013302:Streptomyces / Q000737:chemistry
chemical_list: D000970:Antineoplastic Agents; D005233:Fatty Alcohols; D011714:Pyrans; C076087:herboxidiene