Journal
TETRAHEDRON LETTERS
Volume 55, Issue 42, Pages 5759-5763Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2014.08.062
Keywords
Xanthones; Fluorenones; Cross-dehydrogenative coupling; ortho-C-H bond functionalization
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Funding
- Department of Science & Technology (DST), New Delhi, India
- Council of Scientific and Industrial Research (CSIR), India
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A synthetic approach toward xanthone and fluorenone derivatives through ruthenium catalyzed intramolecular C-H bond functionalization using an external oxidant has been developed. In the presence of [RuCl2(p-cymene)(2)](2), a variety of substituted ortho-aryloxy/aryl benzaldehydes underwent cross dehydrogenative coupling to afford the corresponding analogs in moderate to good yields. (C) 2014 Elsevier Ltd. All rights reserved.
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