Issue 30, 2012
From the journal:

RSC Advances

Au-catalyzed cascade addition/cyclization/H-transfer reactions of 3-(1-alkynyl)chromones to construct 4H-Furo[3,2-c]pyrans scaffold†

Feng Hu,a   Taijie Chen,b   Jianwei Yan,a   Ming Cheng,a   Liping Huanga  and  Youhong Hu*a  

* Corresponding authors

a Address State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, CAS, 555 Zu Chong Zhi Road, Shanghai 201203, P. R. China
E-mail: yhhu@mail.shcnc.ac.cn
Fax: +86-21-50806600-3517
Tel: +86-21-50806600-3517

b Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China

Abstract

Using Au catalyst and ethyl Hantzsch ester as a hydrogen source, 3-(1-alkynyl)chromones were directly transformed to 4H-benzofuro[3,2-c]pyrans in good to excellent yields through a cascade process by addition, cyclization and hydrogen transfer under mild conditions.

Graphical abstract: Au-catalyzed cascade addition/cyclization/H-transfer reactions of 3-(1-alkynyl)chromones to construct 4H-Furo[3,2-c]pyrans scaffold

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Article information

DOI
https://doi.org/10.1039/C2RA22268J
Article type
Communication
Submitted
24 Sep 2012
Accepted
24 Sep 2012
First published
15 Oct 2012

RSC Adv., 2012,2, 11238-11241

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Au-catalyzed cascade addition/cyclization/H-transfer reactions of 3-(1-alkynyl)chromones to construct 4H-Furo[3,2-c]pyrans scaffold

F. Hu, T. Chen, J. Yan, M. Cheng, L. Huang and Y. Hu, RSC Adv., 2012, 2, 11238 DOI: 10.1039/C2RA22268J

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