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Development of the Vinylogous Pictet–Spengler Cyclization and Total Synthesis of (±)-Lundurine A

2021-12-10 by admin

Aaron Nash, Xiangbing Qi, Pradip Maity, Kyle Owens, and Uttam K. Tambar*

          A novel vinylogous Pictet–Spengler cyclization has been developed for the generation of indole-annulated medium-sized rings. The method enables the synthesis of tetrahydroazocinoindoles with a fully substituted carbon center, a prevalent structural motif in many biologically active alkaloids. The strategy has been applied to the total synthesis of (±)-lundurine A.

 

https://doi.org/10.1002/anie.201803702

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