Issue 50, 2014
From the journal:

RSC Advances

Synthesis of functional 4H-chromenes from phenols and acetophenones under solvent- and metal-free conditions†

Hui-Jing Li,*ab   Kai Deng,a   Dong-Hui Luo,a   De-Hui Liu,a   Jun-Li Wang,a   Chun-Hua Lina  and  Yan-Chao Wu*a  

* Corresponding authors

a School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Shandong 264209, China
E-mail: lihuijing@iccas.ac.cn, ycwu@iccas.ac.cn

b Beijing National Laboratory for Molecular Sciences (BNLMS), and Key Laboratory of Molecular Recognition and Function, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China

Abstract

Sulfuric-acid-promoted tandem reaction of phenols with acetophenones under solvent- and metal-free conditions has been developed, which afforded functional 4H-chromenes in good yields with water as the side product. Sulfuric acid appeared to serve the dual role of an efficient promoter and a suitable dehydrating agent.

Graphical abstract: Synthesis of functional 4H-chromenes from phenols and acetophenones under solvent- and metal-free conditions

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Article information

DOI
https://doi.org/10.1039/C4RA03950E
Article type
Paper
Submitted
30 Apr 2014
Accepted
05 Jun 2014
First published
05 Jun 2014

RSC Adv., 2014,4, 26316-26324

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Synthesis of functional 4H-chromenes from phenols and acetophenones under solvent- and metal-free conditions

H. Li, K. Deng, D. Luo, D. Liu, J. Wang, C. Lin and Y. Wu, RSC Adv., 2014, 4, 26316 DOI: 10.1039/C4RA03950E

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