Cu-Catalyzed O-Amino Benzofuranthioether Formation From N-Tosylhydrazone-Bearing Thiocarbamates And Arylative Electrophiles
ORGANIC LETTERS(2020)
摘要
An important framework of o-amino benzofuranthioethers was constructed by Cu-catalyzed arylative cyclization of N-tosylhydrazone-bearing thiocarbamates with silylaryl triflates or ArI. This transformation provides a novel strategy for the synthesis of valuable arylative o-amino benzofuranthioethers in moderate yields which could not be obtained from known methods. The reaction features smart design, efficient construction, and mild reaction conditions.
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