期刊
BULLETIN OF CHEMICAL REACTION ENGINEERING AND CATALYSIS
卷 13, 期 2, 页码 204-212出版社
UNIV DIPONEGORO
DOI: 10.9767/bcrec.13.2.1280.204-212
关键词
Triethylaminium-N-sulfonic acid trifluoroacetate {[TEASA][TFA]}; Bronsted acidec ionic liquid; 1-Trioamidoalky-1-2-naphthol; 14-Aryl-14H-dibenzo[a,j]xanthene
资金
- Research Council of Payame Noor University
In this work, a novel Bronsted acidic ionic liquid namely triethylaminium-N-sulfonic acid trifluoroacetate {[TEASA][TFA]} has been synthesized by the reaction of NEt3 with ClSO3H, and then with CF3CO2H. The ionic liquid has been characterized by studying its spectroscopic data (H-1 and C-13 NMR, FT-IR, and mass spectra). Afterward, it has been utilized as a highly effective and general catalyst to promote the following organic reactions in solvent-free conditions: (i) the production of 1-thioamidoalkyl-2-naphthols from arylaldehydes, 2-naphthol and thioacetamide, and (ii) the preparation of 14-aryl-14H-dibenzo[a,j]xanthenes from arylaldehydes and 2-naphthol. It is noteworthy that [TEASA][TFA] has catalyzed the reactions under milder conditions relative to most of the reported methods. Moreover, it afforded the both products in higher yields with respect to most of the previous works. Copyright (C) 2018 BCREC Group. All rights reserved
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