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- Title
ABNO-Catalyzed Aerobic Oxidative Synthesis of 2-Substituted 4H-3,1-Benzoxazines and Quinazolines.
- Authors
Ma, Jiaqi; Wan, Yan; Hong, Chao; Li, Meichao; Hu, Xinquan; Mo, Weimin; Hu, Baoxiang; Sun, Nan; Jin, Liqun; Shen, Zhenlu
- Abstract
A new transition-metal-free 9-azabicyclo[3.3.1]nonan-N-oxyl (ABNO) catalyzed aerobic oxidative synthesis of 2-substituted 4H-3,1-benzoxazines and quinazolines has been developed through cascade reaction of aldehydes with 2-aminobenzyl alcohols and 2-aminobenzylamines, respectively. Under the optimal reaction conditions, the two kinds of heterocycles were obtained in 72–97 % isolated yield.
- Subjects
CATALYTIC oxidation; BENZOXAZINES; TRANSITION metal catalysts; QUINAZOLINE; BICYCLIC compounds; CHEMICAL synthesis
- Publication
European Journal of Organic Chemistry, 2017, Vol 2017, Issue 23, p3335
- ISSN
1434-193X
- Publication type
Article
- DOI
10.1002/ejoc.201700384