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■ Catalyst-Free Synthesis of 1-Phenylnaphtho[2,1-b]furan Derivatives under Microwave Irradiation

Baolong Wang, Jinfu Zhang, Jianhong Liao, Yiyuan Peng, and Hua Zheng*

*School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, 122 Luoshi Road,Wuhan,Hubei 430070, China

Abstract

An environmentally benign and efficient method has been developed for the synthesis of naphtho[2,1-b]furan from (E)-(2-nitrovinyl)benzene and naphthalen-2-ol in brine media under catalyst-free conditions through microwave-assisted technology. The advantages of this process are that it is catalyst-free, has an easy work-up, provides good yields, and uses brine as the solvent which is considered to be relatively environmentally benign.