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Four different benzimidazolium salts ( 1-4 ) were prepared in three steps at 80 o C and their structures were elucidated using spectroscopic methods. The compounds ( 1-4 ) obtained were tested in in situ medium as catalyst in the carbon-carbon (C-C) bond formation reactions of two different boronic acid derivatives with various aryl halides in the presence of palladium acetate (PdOAc) 2 and sodium tertiarybutoxide (NaOBu t ) as a base. With this reaction, four coupling products ( 5-8 ) were synthesized in different yields ranging from 11 to 93%. Compound 2 from the carbene precursors tested in the Suzuki-Miyaura cross-coupling reaction was found to be a more effective catalyst candidate than others.

Suzuki-Miyaura Çapraz Eşleşme Reaksiyonunda Katalizör Olarak Heterosiklik Bileşiklerin Uygulanması