Report - CYCLOADDTITIONS HÉTÉRO-DIELS-ALDER UTILISANT LES ... · MeI, DBU 89% S BnO OBn N Bn S BnO OBn N Cbz 1. TBA Oxone 2. CaCO3, 130 oC BnO OBn N Cbz N+ HO O-OH (±)-Otonecine 8 9 10

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