title: concise synthesis of 4-acylamino analogues of 2-aminobicyclo[3.1.0]hexane-2,6-dicarboxylic acids (LY354740) from an acylnitroso Diels-Alder cycloadduct.
abstract: Concise total syntheses of 4-acylamino analogues of LY354740 were accomplished employing an N-Boc acylnitroso Diels-Alder cycloadduct as the starting material. The syntheses involved N-O bond cleavage, oxidation, intermolecular cyclopropanation, Bucherer-Bergs reaction, hydrolysis, and regioselective acylation with a temporary copper chelate. The synthesis of an optically active compound was also achieved.
authors.affiliation: Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, Indiana 46556-5670, USA.
authors.forename: Wenlin
authors.initials: W
authors.lastname: Lee
authors.forename: Marvin J
authors.initials: MJ
authors.lastname: Miller
mesh_terms: D001643:Bridged Bicyclo Compounds / Q000138:chemical synthesis*; D003500:Cyclization; D008968:Molecular Conformation; D009603:Nitroso Compounds / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D001643:Bridged Bicyclo Compounds; D009603:Nitroso Compounds; C104753:eglumetad