期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 212, 期 1-2, 页码 43-52出版社
ELSEVIER
DOI: 10.1016/j.molcata.2003.11.027
关键词
one-pot synthesis; Sonogashira reaction; zeolite; hetero-bimetallic catalyst; domino reaction; indole
For the first time the one-pot indole synthesis catalyzed by new heterogeneous bimetallic [Pd-Cu] catalysts is described. Based on a domino reaction, 2-phenylindole was synthesized via the Sonogashira C-C coupling reaction with up to 100% yield in short reaction times. In all cases, a complete selectivity towards the indole compound is observed. The heterogeneous catalysts, while being deactivated during the extraction procedure in air, remain highly active and selective when used in a continuous manner. (C) 2003 Elsevier B.V. All rights reserved.
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