Protecting Group-Free Total Synthesis of (−)-Lannotinidine B
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https://figshare.com/articles/dataset/Protecting_Group_Free_Total_Synthesis_of_Lannotinidine_B/2501125
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资源简介：
The first total synthesis of (−)-lannotinidine B, a unique tetracyclic constitutent of Lycopodium annotinum, has been accomplished in 10 steps with 23% overall yield. The completed short and efficient synthesis is characterized with three highly chemo- and/or stereoselective reductive-amination steps to furnish the desired trans-fused 6/6 bicycle and the aza seven-membered ring system, and a direct intramolecular acyloin condensation to deliver the cyclopentanone moiety, as well as successful application of a protecting group-free strategy and an optimal redox order.
创建时间：
2016-02-20
