期刊
TETRAHEDRON LETTERS
卷 49, 期 28, 页码 4405-4408出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.05.019
关键词
[1,3] aryloxy shift; uracil; palladium acetate; 6-endo dig cyclization; [1,3] H+ shift
Uracil-annulated pyrano heterocycles are regioselectively synthesized in excellent yields (92-100%) via a palladium-catalyzed unusual [1,3] aryloxy shift followed by 6-endo dig cyclization and [1,3] prototropic shift. (C) 2008 Elsevier Ltd. All rights reserved.
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