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  • Enantioselective Synthesis ...
    Liang, Xiao‐Wei; Zhao, Yunlong; Si, Xu‐Ge; Xu, Meng‐Meng; Tan, Jia‐Hao; Zhang, Zhi‐Mao; Zheng, Cheng‐Gong; Zheng, Chao; Cai, Quan

    Angewandte Chemie (International ed.), October 7, 2019, Letnik: 58, Številka: 41
    Journal Article

    An enantioselective chemical synthesis of arene cis‐dihydrodiols has been realized from 2‐pyrones through sequential ytterbium‐catalyzed asymmetric inverse‐electron‐demand Diels–Alder (IEDDA) reaction of 2‐pyrones and retro‐Diels–Alder extrusion of CO2. By using this strategy, a series of substituted arene cis‐dihydrodiols can be obtained efficiently with high enantioselectivity (>99 % ee in many cases). Based on this strategy, efficient and concise asymmetric total syntheses of (+)‐MK7607 and 1‐epi‐(+)‐MK7607 were accomplished. An enantioselective chemical synthesis of arene cis‐dihydrodiols from 2‐pyrones through sequential ytterbium‐catalyzed asymmetric inverse‐electron‐demand Diels–Alder (IEDDA) reaction of 2‐pyrones and retro‐Diels–Alder extrusion of CO2 is reported. This method provides a powerful chemical method for the enatioselective synthesis of arene cis‐dihydrodiols as a reliable alternative to traditional enzymatic catalysis.