Abstract
A novel Rh-catalyzed cascade reaction of pyridotriazoles with iodonium ylides is reported. This one-pot procedure involves a triazole-directed ortho-position C-H carbene insertion, followed by intramolecular denitrogenation annulation. It was noteworthy that this reaction provided straightforward access to 1H-isochromene frameworks with excellent yields (up to 94% yield).
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