Efficient Heterogeneously Palladium??Catalysed Heck Arylation of Acrolein Diethyl Acetal. Selective Synthesis of Cinnamaldehydes or 3??Arylpropionic Esters
…, C Luo, C Pinel, L Djakovitch
Index: Noel, Sebastien; Luo, Ciahong; Pinel, Catherine; Djakovitch, Laurent Advanced Synthesis and Catalysis, 2007 , vol. 349, # 7 p. 1128 - 1140
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Citation Number: 26
Abstract
Abstract A heterogeneous tetrakis (ammine) palladium-NaY zeolite {[Pd (NH 3) 4]/NaY} catalyst was applied successfully to the Heck arylation of acrolein diethyl acetal using a large variety of aryl and heteroaryl bromides. Depending on the reaction conditions (Heck versus Cacchi) good to high selectivities toward the 3-arylpropionic esters or to the cinnamaldehydes were achieved, respectively. Under classical Heck conditions, while the ...
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