Journal
TETRAHEDRON LETTERS
Volume 49, Issue 28, Pages 4390-4393Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.05.009
Keywords
2-alkynylbenzaldehyde; diethyl phosphate; 1H-isochromen-1-ylphosphonate; silver triflate
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Tandem cyclization-addition reaction of 2-alkynylbenzaldehyde with diethyl phosphite catalyzed by AgOTf at room temperature was developed, which afforded the desired 1H-isochromen-1-ylphosphonates in moderate to good yields. (C) 2008 Elsevier Ltd. All rights reserved.
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