Scheme 6

Synthesis of a new library of triarylpyridines bearing sulfonate and sulfonamide moieties in the presence of Fe3O4@SiO2@PCLH-TFA.
Synthesis of a new library of triarylpyridines bearing sulfonate and sulfonamide moieties in the presence of Fe3O4@SiO2@PCLH-TFA.