Total Synthesis of the Diterpenoid Alkaloid Arcutinidine Using a Strategy Inspired by Chemical Network Analysis.
Total Synthesis of the Diterpenoid Alkaloid Arcutinidine Using a Strategy Inspired by Chemical Network Analysis.
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DOI:
10.1021/jacs.9b05815
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发表时间:
2019-09-04
影响因子:
15
通讯作者:
Sarpong R
中科院分区:
文献类型:
--
作者:
Owens KR;McCowen SV;Blackford KA;Ueno S;Hirooka Y;Weber M;Sarpong R
Arcutinidine and other arcutinidine-type diterpenoid alkaloids feature an intricate polycyclic, bridged framework with unusual connectivity. A chemical network analysis approach to the arcutane skeleton enabled the identification of highly simplifying retrosynthetic disconnections, which indicated that the caged structure could arise from a simpler fused ring system. On this basis, a total synthesis of arcutinidine is reported herein, featuring an unprecedented oxopyrrolium Diels-Alder cycloaddition which furnishes a key tetracyclic intermediate. In addition, the synthesis utilizes a diastereoselective oxidative dearomatization/cycloaddition sequence and a SmI2-mediated C–C coupling to forge the bridged framework of the natural products. This synthetic plan may also enable future investigations into the biosynthetic relationships between the arcutanes, the related diterpenoid atropurpuran, and other diterpenoid alkaloids.
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影响因子:
64.8
作者:
Marth CJ;Gallego GM;Lee JC;Lebold TP;Kulyk S;Kou KG;Qin J;Lilien R;Sarpong R
通讯作者:
Sarpong R
影响因子:
15
作者:
Kou KG;Li BX;Lee JC;Gallego GM;Lebold TP;DiPasquale AG;Sarpong R
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Sarpong R
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Weber M;Owens K;Sarpong R
通讯作者:
Sarpong R
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Gong J;Chen H;Liu XY;Wang ZX;Nie W;Qin Y
通讯作者:
Qin Y