期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 356, 期 -, 页码 85-89出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2012.01.003
关键词
2,3,4,5-Tetrasubstituted pyrroles; Benzoin; 1,3-Dicarbonyls; Ammonium acetate; Molybdate sulfuric acid (MSA)
Molybdate sulfuric acid (MSA) has been found as an efficient and reusable solid acid catalyst for the synthesis of new 2,3,4,5-tetrasubstituted pyrroles via a novel [2+2+1] strategy. Thus, one-pot three-component reaction of benzoin derivatives, 1,3-dicarbonyls, and ammonium acetate afforded the desired products in high yield under solvent-free conditions. (C) 2012 Elsevier B.V. All rights reserved.
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