Rh(III)-Catalyzed Dienylation and Cyclopropylation of 1,2,3-Benzotriazinones with Alkylidenecyclopropanes

摘要

Rh (III)-catalyzed dienylation and cyclopropylation of1,2,3-benzotriazinoneswith alkylidenecyclopropanes (ACPs) has been achieved. Different fromthe previous reports of 1,2,3-benzotriazinones, the triazinone ringremained intact in this C-H bond functionlization reaction.Also, the denitrogenative cyclopropylation could also be realizedby changing the reaction temperature. This protocol is featured withhigh E selectivity, wide substrate scope, and divergentstructures of products.

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