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Having the munchies: A mild palladium-catalyzed method to activate the carbon–oxygen bond of α-amidoethers has been developed and applied to carbonylation chemistry (see scheme). A münchnone intermediate is generated in situ and undergoes a 1,3-dipolar cycloaddition with alkynes to give diversely substituted pyrroles.
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Lu et al. (2008) studied this question.
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