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Palladium(II)NHC complexes containing benzimidazole ligand as a catalyst for CN bond formation
Author(s) -
Doǧan Öznur,
Demir Serpil,
Özdemir İsmail,
Çetinkaya Bekir
Publication year - 2011
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.1731
Subject(s) - chemistry , palladium , benzimidazole , catalysis , carbene , ligand (biochemistry) , medicinal chemistry , polymer chemistry , organic chemistry , base (topology) , combinatorial chemistry , biochemistry , receptor , mathematical analysis , mathematics
The reaction of 2‐(2‐bromoethyl)‐1,3‐dioxane with 1‐alkylbenzimidazole derivatives results in the formation of the new benzimidazolium salts (1). The reaction of Pd(OAc) 2 with 1,3‐dialkylbenzimidazolium salts (1a–c) yields palladium N ‐heterocyclic carbene (NHC) complexes (2a–c). All synthesized compounds were characterized by 1 H NMR, 13 C NMR, IR and elemental analysis techniques which support the proposed structures. As catalysts, these new palladium complexes offer a simple and efficient methodology for the synthesis of triarylamines and secondary amines from anilines and amines and in a single step with potassium tertiary butoxide as a base. Copyright © 2010 John Wiley & Sons, Ltd.
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