Zhang M, Meng Y, Wu Y, Song C. TfOH-Promoted Decyanative Cyclization toward the Synthesis of 2,1-Benzisoxazoles.
J Org Chem 2021;
86:7326-7332. [PMID:
34014082 DOI:
10.1021/acs.joc.1c00091]
[Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A novel solvent-free, TfOH-promoted decyanative cyclization approach for the synthesis of 2,1-benzisoxazoles has been developed. The reactions are complete instantly at room temperature and result in the formation of the desired 2,1-benzisoxazoles in a 34-97% isolated yield.
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