Organic and Biomolecular Chemistry p. 6432 - 6440 (2019)
Update date:2022-08-03
Topics:
Phakdeeyothin, Kunita
Yotphan, Sirilata
A highly regioselective metal-free direct C-H thiolation of 2-pyridones with disulfides or thiols has been developed. A combination of persulfate and a commercially available halide source such as LiCl, NCS or I2 enables the successful direct incorporation of a sulfide moiety into the 5-position of pyridone under mild conditions, providing a useful and convenient approach for the preparation of a diverse array of 5-thio-substituted pyridones in moderate to excellent yields.
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