Journal
TETRAHEDRON LETTERS
Volume 49, Issue 4, Pages 589-593Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2007.11.146
Keywords
tetrakis(dimethylamino)ethylene; electron transfer; fluorine; flavone; SNAr
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New fluorinated 4H-benzo[h]chromen-4-one and 4H-pyrano[3,2-h]quinolin-4-one derivatives are obtained in moderate to good yields, through a one-pot aldolization-intramolecular SNAr process, from the tetrakis(dimethylamino)ethylene (TDAE) mediated reductive cleavage of two N,N-dimethylamino-bis-chlorodifluoroacetyl substrates in the presence of heteroaryl aldehydes. (c) 2007 Elsevier Ltd. All rights reserved.
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