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Total Synthesis of Isodihydrokoumine, (19Z)‑Taberpsychine, and (4R)‑Isodihydroukoumine N4‑Oxide

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Figshare2018-06-28 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Total_Synthesis_of_Isodihydrokoumine_19_i_Z_i_Taberpsychine_and_4_i_R_i_Isodihydroukoumine_i_N_i_sub_4_sub_Oxide/6715742
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We report the total synthesis of the natural products isodihydrokoumine and (19Z)-taberpsychine in 11 steps each and (4R)-isodihydrokoumine N4-oxide in 12 steps from commercially available starting materials. The key reactions include an intramolecular [3 + 2] nitrone cycloaddition and Lewis acid mediated cyclizations of a common intermediate to provide the core structures of either taberpsychine or isodihydrokoumine.
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2018-06-28
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