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The Heck arylation of acrolein acetal has been studied computationally and compared to the corresponding reaction with allyl ethers. The reaction can be controlled to give either cinnamaldehydes or arylpropanoic esters by addition of different coordinating anions, acetate, or chloride. The computational study reveals that coordinating acetate raises the energy of an intermediate sufficiently to block the access to an otherwise favorable beta-hydride elimination. The reaction path is also compared to that of allyl ethers, which always give significant amounts of cinnamyl ether products under all reaction conditions. The difference between the two substrate classes could be rationalized in terms of relative hydride donating power of the two substrates.
Original languageEnglish
JournalOrganometallics
Publication date2009
Volume28
Journal number21
Pages6201-6205
ISSN0276-7333
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 10
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