Journal
TETRAHEDRON
Volume 69, Issue 19, Pages 3805-3809Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2013.03.061
Keywords
Amine; But-2-ynedioate; Copper acetate; Pyrrole-2,3,4,5-tetracarboxylate
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Funding
- National Natural Science Foundation of China [21032007]
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A copper-catalyzed reaction of amine with but-2-ynedioate gives rise to pyrrole-2,3,4,5-tetracarboxylates in moderate to good yields. The reaction proceeds in the presence of dioxygen with the formation of three bonds during the process. (C) 2013 Elsevier Ltd. All rights reserved.
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