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Journal of Zhejiang University SCIENCE B 2009 Vol.10 No.6 P.472~478

http://doi.org/10.1631/jzus.B0820366


Facile and efficient one-pot synthesis of 2-arylbenzoxazoles using hydrogen tetrachloroaurate as catalyst under oxygen atmosphere


Author(s):  Yun-kui LIU, Da-jie MAO, Shao-jie LOU, Jian-qiang QIAN, Zhen-yuan XU

Affiliation(s):  State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, China

Corresponding email(s):   ykuiliu@zjut.edu.cn, greensyn@zjut.edu.cn

Key Words:  2-Arylbenzoxazoles, 2-Aminophenol, Aldehydes, Hydrogen tetrachloroaurate, One-pot synthesis


Yun-kui LIU, Da-jie MAO, Shao-jie LOU, Jian-qiang QIAN, Zhen-yuan XU. Facile and efficient one-pot synthesis of 2-arylbenzoxazoles using hydrogen tetrachloroaurate as catalyst under oxygen atmosphere[J]. Journal of Zhejiang University Science B, 2009, 10(6): 472~478.

@article{title="Facile and efficient one-pot synthesis of 2-arylbenzoxazoles using hydrogen tetrachloroaurate as catalyst under oxygen atmosphere",
author="Yun-kui LIU, Da-jie MAO, Shao-jie LOU, Jian-qiang QIAN, Zhen-yuan XU",
journal="Journal of Zhejiang University Science B",
volume="10",
number="6",
pages="472~478",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B0820366"
}

%0 Journal Article
%T Facile and efficient one-pot synthesis of 2-arylbenzoxazoles using hydrogen tetrachloroaurate as catalyst under oxygen atmosphere
%A Yun-kui LIU
%A Da-jie MAO
%A Shao-jie LOU
%A Jian-qiang QIAN
%A Zhen-yuan XU
%J Journal of Zhejiang University SCIENCE B
%V 10
%N 6
%P 472~478
%@ 1673-1581
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B0820366

TY - JOUR
T1 - Facile and efficient one-pot synthesis of 2-arylbenzoxazoles using hydrogen tetrachloroaurate as catalyst under oxygen atmosphere
A1 - Yun-kui LIU
A1 - Da-jie MAO
A1 - Shao-jie LOU
A1 - Jian-qiang QIAN
A1 - Zhen-yuan XU
J0 - Journal of Zhejiang University Science B
VL - 10
IS - 6
SP - 472
EP - 478
%@ 1673-1581
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B0820366


Abstract: 
In this paper, we presented a novel method for the facile and efficient one-pot synthesis of 2-Arylbenzoxazoles, which were directly synthesized from 2-Aminophenol and aldehydes catalyzed by hydrogen tetrachloroaurate (HAuCl4·4H2O) under an oxygen atmosphere with anhydrous tetrahydrofuran (THF) as solvent or in solvent-free condition. The results show that this method could bring excellent yields as high as 96%. THF was proven to be the best choice among several solvents screened and the reaction was tolerated with a variety of aromatic aldehydes possessing electron-donating or withdrawing groups. The advantages of the present method lie in catalytic process using economic and environmentally benign dioxygen as oxidant.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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