Очень нужна Supporting Information к статье:
Albertshofer, Klaus; Tan, Bin; Barbas III, Carlos F; "Asymmetric construction of spirocyclopentenebenzofuranone core structures via hightly selective phosphine-catalyzed [3 + 2] cycloaddition reactions", Org. Lett., 2013, 15(12), 2958-2961.
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10.1021/ol401087a[ Post made via Android ]
