Iron-, Copper-, Nickel-, and Cobalt-Catalyzed Carbonylative Domino Reactions

Copper-, Nickel-, and Cobalt-Catalyzed Carbonylative Domino Reactions 

Additionally, the reactions with alkynes and iron catalyst were also applied to the carbonylative homocoupling of aryl iodides to give benzophenones [49]. As catalyst system, Fe(CO)5-Co2(CO)g was used under phase-transfer conditions to give carbonylate aryl iodides in moderate yields. 

2 Transition-Metal-Catalyzecl Carbonylative Domino Reactions 25 O 

In 2008, Bhanage and coworkers [50a] reported on a copper-catalyzed carbonylative Sonogashira reaction of aryl iodides. In this procedure, copper bis(2,2,6,6-tetramethyl-3,5-heptanedionate) [Cu(TMHD)2 was used as the catalyst for this transformation and NEtj as base. Alkynones were produced in good yields. Recently, Xia and coworkers [50b] described a general and efficient copper-catalyzed 

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