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The divergent synthesis of dihydropyrimidouracil and pyrimidouracil derivatives from N‐uracil amidines and tertiaryamines by an oxidative C(sp3)−N cleavage cascade cyclization reaction is first described. This transformation enables the formation of new C(sp3)−N and C(sp2)−N bonds via the selection of different oxidation conditions. The features of this method include tunable product selectivity,...
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