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Paper | Regular issue | Vol 100, No. 4, 2020, pp.600-608
Published online, 17th March, 2020
DOI: 10.3987/COM-20-14232
Lactamization of Alkenyl C-H Bonds to Generate 2-Quinolinones with Triphosgene

Zhen Zhang,* Zixiao Wang, and Guizhi Du*

*Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), Chengdu University, Chengluo Road 2025, Chengdu, Sichuan 610041, China

Abstract

A simple and easy-going method is developed to synthesize the analogues of 2-quinolinones by using triphosgene (BTC) as the carbonyl source. In these reactions, both the toxic carbon monoxide (CO) and phosgene are avoided and the 2-quinolinones are obtained in moderate to good yields under mild conditions, all of which are anticipated to be meaningful in both industry and laboratory.