期刊
TETRAHEDRON
卷 61, 期 3, 页码 687-691出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2004.10.106
关键词
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A new, convergent and improved synthetic method to prepare N-alkyl substituted dithienopyrroles is described. The procedure consists of a Pd-catalyzed amination of 3,3'-dibromo-2,2'-bithiophene. The reaction conditions were optimized, which makes this method applicable to prepare these molecules easily in high yields and on a large scale. (C) 2004 Elsevier Ltd. All rights reserved.
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