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Palladium-catalyzed conjugate addition of arylsulfonyl hydrazides to α,β-unsaturated ketones. 2013

Wen Chen, and Hui Chen, and Fuhong Xiao, and Guo-Jun Deng
Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China.

A palladium-catalyzed desulfitative-denitrogenative conjugate addition of arylsulfonyl hydrazides to α,β-unsaturated ketones is described. The reaction showed very good selectivity and tolerated a wide range of functionalities under an atmosphere of oxygen with or without the aid of a metal co-oxidant.

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