期刊
TETRAHEDRON
卷 60, 期 42, 页码 9463-9469出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2004.08.001
关键词
catalysis; cross-couplings; cyclocondensations; heterocycles; multicomponent reactions
2,4-Di(hetero)aryl substituted 2,3-dihydro benzo[b][1,4]heteroazepines 7 and 9 (hetero=S, NH) can be readily synthesized in a one-pot process initiated by a coupling-isomerization sequence of an electron poor (hetero)aryl halide 4 and a terminal propargyl alcohol 5 subsequently followed by a cyclocondensation with 2-mercapto or 2-amino anilines 6 or 8, respectively. In addition, the structures were established unambiguously by an X-ray structure analysis of 9b. (C) 2004 Elsevier Ltd. All rights reserved.
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