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Soc.<\/i>, <b>133<\/b>, 14960\u201314963 (2011).","DOI":"10.1021\/ja207283t"},{"key":"15","unstructured":"15) The reaction of diketone <b>5<\/b> under the same conditions resulted in <b>6<\/b> by the double enolizations and air oxidation."},{"key":"16","unstructured":"16) The reaction catalyzed by (<i>S,S<\/i>)-Ms-DENEB resulted in 49% combined yield with 1 : 0.75 selectivity."},{"key":"17","doi-asserted-by":"crossref","unstructured":"17) Ohtani I., Kusumi T., Kashman Y., Kakisawa H., <i>J. Am. Chem. Soc.<\/i>, <b>113<\/b>, 4092\u20134096 (1991).","DOI":"10.1021\/ja00011a006"},{"key":"18","unstructured":"18) For the details, see Supplementary materials."},{"key":"19","unstructured":"19) The regioisomeric alcohol <b>10<\/b> was obtained as a single stereoisomer, and its stereochemistry at C9 was determined to be 9<i>S<\/i> by the Mosher\u2013Kusumi method after methylation of the C10 phenol, see Supplementary materials."},{"key":"20","unstructured":"20) In the <sup>13<\/sup>C-NMR spectra, the chemical shifts at the C5 position were clearly distinguishable: <i>\u03b4<\/i> 112.1 for <b>2<\/b> and <i>\u03b4<\/i> 111.8 for <b>3<\/b>. In contrast, no significant differences were observed in the <sup>1<\/sup>H-NMR spectra of these compounds."},{"key":"21","doi-asserted-by":"crossref","unstructured":"21) Oja T., San Martin Galindo P., Taguchi T., Manner S., Vuorela P. M., Ichinose K., Mets\u00e4\u2013Ketel\u00e4x M., Fallarero A., <i>Antimicrob. 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