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Issue 13, 2019, Issue in Progress
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One-pot synthesis and property study on thieno[3,2-b]furan compounds

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Abstract

Based on the regioselective intermolecular Suzuki coupling and subsequent intramolecular Ullmann C–O coupling reactions, one-pot synthesis of benzo[4,5]thieno[3,2-b]benzofurans (BTBFs) was developed after optimization of the reaction conditions including catalysts, solvents, bases, ligands and reaction times. The one-pot reaction, with only 2 mol% Pd(PPh3)4 and 2 mol% copper(I) thiophene-2-carboxylate (CuTc) as the catalysts, K3PO4·3H2O as the base and tert-butanol as the solvent, afforded moderate to good yields (up to 70%) for a variety of substrates.

Graphical abstract: One-pot synthesis and property study on thieno[3,2-b]furan compounds

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Supplementary files

Article information


Submitted
30 Jan 2019
Accepted
25 Feb 2019
First published
01 Mar 2019

This article is Open Access

RSC Adv., 2019,9, 7123-7127
Article type
Paper

One-pot synthesis and property study on thieno[3,2-b]furan compounds

W. Ma, J. Huang, C. Li, Y. Jiang, B. Li, T. Qi and X. Zhu, RSC Adv., 2019, 9, 7123
DOI: 10.1039/C9RA00796B

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