Journal
TETRAHEDRON LETTERS
Volume 49, Issue 16, Pages 2537-2540Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.02.117
Keywords
triarylmethane; anthracene; aldehyde; silica gel-supported zinc chloride
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Reaction of electron-rich arenes with acetyl bromide and aldehydes in the presence of silica gel-supported zinc bromide was carried out in benzene to give selectively the corresponding triarylmethanes or 9,10-diarylanthracenes in high yields depending upon the ratio of an arene and an aldehyde. The mild conditions employed are especially noteworthy. (c) 2008 Elsevier Ltd. All rights reserved.
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