期刊
TETRAHEDRON
卷 64, 期 13, 页码 3025-3031出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2008.01.038
关键词
Prins-Ritter sequence; nitrites; heteropolyacids; amidotetrahydropyrans
Three-component coupling of carbonyl compounds, homoallylic alcohols, and nitrites has been achieved using 20 mol % of phosphomolybdic acid (PMA) at ambient temperature via the Prins-Ritter sequence to furnish 4-amidotetrahydropyrans in high yields with all cis selectivity. Spirocyclic-4-amidotetrahydropyrans are obtained using cyclic ketones. (C) 2008 Elsevier Ltd. All rights reserved.
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