All articles of this category The reaction of unsaturated halides and triflates with readily available 4-( o- acetamidophenyl)-3-buten-2-one and methyl 4-( o -hydroxyphenyl)-3-propenoate in the presence of KOAc and Pd(OAc) 2 , without phosphine ligands, affords substituted quinolines and coumarins through an in situ vinylic substitution/annulation sequence. Quinolines - Coumarins - Palladium Catalysis - Vinylic Substitution - Annulation
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Arcadi et al. (1996) studied this question.