Total Synthesis of the Tetracyclic Indole Alkaloid Ht-13‑B
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An expedient synthesis corroborating the proposed structure of the tetracyclic indole alkaloid ht-13-B is presented. Key synthetic steps include acyliminium ion allylation, a Mitsunobu reaction, a palladium-catalyzed Stille–Kelly cross coupling reaction, and a carbon monoxide-mediated palladium-catalyzed reductive N-heterocyclization. The chiral centers are ultimately derived from commercially available trans-4-hydroxy-l-proline.
创建时间：
2016-02-13
