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Browsing by Author "CHUNG YU-CHIANG"

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    高鏡像選擇性銠(I)/掌性雙烯配體催化芳香基硼酸對反丁烯二酸酯進行不對稱1,4加成反應及其合成應用 -α2腎上腺素受體拮抗劑全合成 -氮-苄基-3-苯基吡咯啶的不對稱合成
    (2011) 鍾佑強; CHUNG YU-CHIANG
      利用天然物左旋醋酸冰片酯49合成高穩定性的掌性雙環[2.2.1]雙烯配體,並結合銠(I)催化芳香基硼酸對反丁烯二酸酯進行不對稱1,4-加成反應。在這個催化系統中,銠(I) (1mol% of Rh)催化量和掌性雙烯配體進行不對稱1,4-加成反應,產物具有高產率和高立體選擇性(高達>99.5% ee值)。並將其應用在合成掌性3-(2-甲氧基)苯基吡咯啶(α2 -腎上腺素受體拮抗劑)和合成掌性氮-苄基-3-苯基吡咯啶。

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