Lamb AD, Davey PD, Driver RW, Thompson A, Smith MD. Enantioselective Synthesis of 4- and 6-Azaindolines by a Cation-Directed Cyclization.
Org Lett 2016;
18:5372-5375. [PMID:
27709963 PMCID:
PMC5086784 DOI:
10.1021/acs.orglett.6b02744]
[Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Indexed: 11/29/2022]
Abstract
Functionalized 4- and 6-azaindolines are accessible with high levels of enantioselectivity by the cation-directed cyclization of aminopyridine-derived imines via phase-transfer catalysis. The extension of this methodology to diastereoselective cyclizations is also described.
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