Redox-neutral manganese-catalyzed synthesis of 1-pyrrolines

Ting-Fan Feng,Canxiang Liu,Zhen Wu,Xinxin Wu,Chen Zhu

Published 2022 in Chemical Science

ABSTRACT

This report describes a manganese-catalyzed radical [3 + 2] cyclization of cyclopropanols and oxime ethers, leading to valuable multi-functional 1-pyrrolines. In this redox-neutral process, the oxime ethers function as internal oxidants and H-donors. The reaction involves sequential rupture of C–C, C–H and N–O bonds and proceeds under mild conditions. This intermolecular protocol provides an efficient approach for the synthesis of structurally diverse 1-pyrrolines.

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