期刊
TETRAHEDRON LETTERS
卷 47, 期 4, 页码 595-597出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2005.11.026
关键词
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The additive Pummerer reaction of several heteroaromatic sulfilimines has been investigated. The overall process involves the reaction of the sulfilimine with TFAA to produce a transient N-tosyl-N-trifluoroacetyl sulfonium ion. Nucleophilic attack at the adjacent vinyl carbon results in the ejection of the sulfonamide group and the resulting thionium, ion loses a proton to give the observed product. (c) 2005 Elsevier Ltd. All rights reserved.
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