Abstract
AbstractA facile synthesis of isocoumarin andα‐pyrones derivatives by Ru(II)‐catalyzed oxidative annulation of aromatic acids and alkynes is reported. This reaction could undergo smoothly in water by use of air as the sole oxidant and accomplishes with the tolerance of a wide range of functional groups. Additionally, the oxidative cyclization of benzoic acid and acrylate is also achieved in the same conditions to furnish the isobenzofuran‐1(3H)‐one scaffold.
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