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A novel and efficient copper-catalyzed homocoupling of ketoxime carboxylates has been developed for the synthesis of symmetrical pyrroles. This reaction tolerates a wide range of functional groups and provides a synthetically useful process to synthesize valuable symmetrical pyrroles under mild conditions. [ABSTRACT FROM AUTHOR]

In contrast to monoalkylmonoarylketoxime carboxylates, dialkylketoxime carboxylates do not react under the employed conditions. [ABSTRACT FROM AUTHOR]

A novel and facile copper-catalyzed 5-endo-trig cyclization of ketoxime carboxylates for the synthesis of 2-arylpyrroles has been developed. The reaction tolerates a range of functional groups and is a practical procedure for rapid synthesis of 2-arylpyrroles in high yields under mild conditions. [ABSTRACT FROM AUTHOR]

A novel and efficient Cu-catalyzed intermolecular 5-endo-trig cyclization of ketoxime carboxylates for the synthesis of 2-arylpyrroles is developed. [ABSTRACT FROM AUTHOR]