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Synthesis, Structure, and Reactivity of Ferrocenyl‐NHC Palladium Complexes
Author(s) -
He Pan,
Du Yufeng,
Wang Shuzhan,
Cao Changsheng,
Wang Xiaojun,
Pang Guangsheng,
Shi Yanhui
Publication year - 2013
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201300097
Subject(s) - palladium , reactivity (psychology) , chemistry , diphenylacetylene , substituent , pyridine , carbene , catalysis , crystal structure , medicinal chemistry , stereochemistry , crystallography , organic chemistry , medicine , alternative medicine , pathology
palladium complexes of ferrocenyl‐functionalized N‐heterocyclic carbenes with different substituents were synthesized. The molecular structures of selected complexes were determined by X‐ray diffraction and show a pseudo‐square‐planar structure with a central palladium atom surrounded by carbene, pyridine, and two chloride ligands. The influence of the different substituents on the structure and reactivity of the complexes was studied. The catalytic properties of the complexes were investigated in the Larock indolization reactions of 2‐bromoanilines with diphenylacetylene. Their performances slightly varied in this reaction, but the complex with mesityl substituent showed the best activity.