The Cu(I)-catalyzed denitrogenative transannulation reaction of pyridotriazoles with terminal alkynes en route to indolizines was developed. Compared to the previously reported Rh-catalyzed transannulation reaction, this Cu-catalyzed method features aerobic conditions and much broader scope of pyridotriazoles and alkynes.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4332698PMC
http://dx.doi.org/10.1039/C4SC03358BDOI Listing

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