I2/CuCl2-Promoted One-Pot Three-Component Synthesis of Aliphatic or Aromatic Substituted 1,2,3-Thiadiazoles
2019
An efficient I2/CuCl2-promoted one-pot three-component strategy for the construction of 1,2,3-thiadiazoles from aliphatic- or aromatic-substituted methyl ketones, p-toluenesulfonyl hydrazide, and potassium thiocyanate has been developed. Simple and commercially available starting materials, a broad substrate scope, and excellent functional group tolerability make this strategy practical for applications. Furthermore, 1,2,3-thiadiazoles synthesis was realized by using potassium thiocyanate as an odorless sulfur source.
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