Tang Y, Pan W, Yang Y. Silver-Catalyzed Chlorocyclization for the Synthesis of 3-Chloro-2
H-chromenes.
J Org Chem 2023. [PMID:
37410887 DOI:
10.1021/acs.joc.2c02864]
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Abstract
A silver-catalyzed chlorocyclization reaction of aryl 3-aryl-2-propyn-1-yl ethers in the presence of NCS under darkness was accomplished, which provides a straightforward and efficient access to 3-chloro-2H-chromenes.
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