Journal
TETRAHEDRON LETTERS
Volume 53, Issue 5, Pages 487-490Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.11.084
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Funding
- Shanghai Municipal Committee of Science and Technology [08dj1400100-2]
- National Basic Research Program of China [(973)-2009CB825300]
- National Natural Science Foundation of China [21072206, 20472096, 20872162, 20672127, 20821002, 20732008]
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An interesting rhodium(I)-catalyzed [3+2] intramolecular cycloaddition of alkylidenecyclopropanes 1 containing propargylic esters has been described in this context. A variety of bicyclo[3.3.0]octene derivatives were obtained in moderate to good yields under mild conditions. The alkylidenecyclopropane-enynes 2 could be also converted to the corresponding cycloadducts 3 in good yields. (C) 2011 Elsevier Ltd. All rights reserved.
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