Synthesis 2017; 49(11): 2535-2543
DOI: 10.1055/s-0036-1588727
paper
© Georg Thieme Verlag Stuttgart · New York

A Highly Efficient Copper-Catalyzed Three-Component Synthesis of 4-Aminoquinazolines

Lei Yang
Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, Nanjing 211166, P. R. of China   Email: chendongyin@njmu.edu.cn
,
Honghua Luo
Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, Nanjing 211166, P. R. of China   Email: chendongyin@njmu.edu.cn
,
Yan Sun
Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, Nanjing 211166, P. R. of China   Email: chendongyin@njmu.edu.cn
,
Zhenyu Shi
Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, Nanjing 211166, P. R. of China   Email: chendongyin@njmu.edu.cn
,
Kaidong Ni
Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, Nanjing 211166, P. R. of China   Email: chendongyin@njmu.edu.cn
,
Fei Li
Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, Nanjing 211166, P. R. of China   Email: chendongyin@njmu.edu.cn
,
Dongyin Chen*
Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, Nanjing 211166, P. R. of China   Email: chendongyin@njmu.edu.cn
› Author Affiliations
Further Information

Publication History

Received: 21 December 2016

Accepted after revision: 02 February 2017

Publication Date:
23 February 2017 (online)


Abstract

A highly efficient copper-catalyzed one-pot protocol is developed for the synthesis of 4-aminoquinazolines from easily available 2-iodo- or 2-bromobenzimidamides, aldehydes, and sodium azide. This one-pot approach proceeds via consecutive copper-catalyzed SNAr substitution, reduction, cyclization, oxidation and tautomerization. The corresponding target products (26 examples) are obtained in 50–90% yield.

Supporting Information