Dalton Transactions

Pd–carbene catalyzed carbonylation reactions of aryl iodides

L Xue, L Shi, Y Han, C Xia, HV Huynh, F Li

Index: Xue, Liqin; Shi, Lijun; Han, Yuan; Xia, Chungu; Huynh, Han Vinh; Li, Fuwei Dalton Transactions, 2011 , vol. 40, # 29 p. 7632 - 7638

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Citation Number: 35

Abstract

A series of carbene complexes [PdBr2 (iPr2-bimy) L](C2–C13) with different types of co- ligands (L) have been tested for their catalytic activities in the carbonylative annulation of 2- iodophenol with phenylacetylene in DMF to afford the respective flavone 2a. Complex C12 with an N-phenylimidazole co-ligand showed the best activity and also afforded high yields when the substrate scope was extended to other aryl or pyridyl acetylenes. In addition, ...