A base-mediated 2-aryl substituted benzothiophene formation from 2-bromobenzene aldehydes, benzylic esters and elemental sulfur under transition-metal-free conditions is described. Various 2-aryl substituted benzothiophene were efficiently obtained under mild conditions.
P. Jiang, X. Che, Y. Liao, H. Huang and G. Deng, RSC Adv., 2016, 6, 41751 DOI: 10.1039/C6RA07730G
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