Journal
TETRAHEDRON LETTERS
Volume 51, Issue 50, Pages 6635-6636Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.10.060
Keywords
Fused pyrrole derivatives; Ring closure reactions; Friedel-Crafts acylation; Phosgene
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A series of fused heterocyclic compounds based on a pyrrolizinone structure have been prepared from ortho-(1H-pyrrol-1-yl)aryl and heteroaryl carboxylic acids by intramolecular Friedel-Crafts acylation promoted by bis(trichloromethyl) carbonate, in generally good yield without using Lewis acid catalysts. (C) 2010 Elsevier Ltd. All rights reserved.
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