I2O5 promoted iodosulfenylation of indoles under metal-free conditions
2019
Wang, Wangyang | Zhu, Fuyuan | Yan, Zhaohua | He, Mingchuang | Lin, Sen
A mild, efficient, and metal-free strategy to construct 2-iodo-3-arylthioindoles was developed via I2O5-promoted iodosulfenylation of indoles utilizing simple, cheap and easily available thiophenols as sulfur sources. It is the first time that the iodothiolation difunctionalization of indoles at C-2 and C-3 positions was accomplished with the formation of 2-iodo-3-arylthioindoles in moderate to good yields.
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