Synthesis 2021; 53(13): 2286-2292
DOI: 10.1055/a-1375-3538
paper

Synthesis of Difluoromethyl-Substituted Quinazolines through Selective Difluoromethylation

Jing Peng
,
Ludan Hu
,
Mu-Wang Chen
,
Zhihong Deng
,
Yiyuan Peng
Financial support from National Natural Science Foundation of China (nos: 21502188, 21362014, 21762020), Jiangxi Provincial Department of Science and Technology (no. 20171BAB203006), and Key Laboratory of Functional Small Organic Molecules, Ministry of Education, Jiangxi Normal University (no. KLFS-KF-201702) is gratefully acknowledged.


Abstract

A highly selective difluoromethylation of quinazolines has been achieved by using commercially available ethyl bromodifluoroacetate as difluorocarbene precursor, providing the corresponding difluoromethyl substituted quinazoline derivatives with up to 83% yield.

Supporting Information



Publication History

Received: 26 December 2020

Accepted after revision: 27 January 2021

Accepted Manuscript online:
27 January 2021

Article published online:
22 February 2021

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