Ag(I)-Catalyzed Synthesis of Azabicyclic Alkaloid Frameworks from Ketimine-Tethered Ynones: Total Synthesis of Indolizidine 209D

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An efficient Ag(I)-catalyzed π-acid activation method for the cyclization of cyclic ketimine-tethered ynones is reported. Various nitrogen-containing scaffolds commonly found in bioactive alkaloids can be prepared in high yields, and the utility of the method is demonstrated by a formal synthesis of (±)-lasubine II and in a short total synthesis of (±)-indolizidine 209D.

Original languageEnglish
Pages (from-to)1439-1443
Number of pages5
JournalOrganic Letters
Early online date9 Feb 2018
Publication statusE-pub ahead of print - 9 Feb 2018

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