Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2010, Issue 33, Pages 6436-6439Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201001040
Keywords
Alkynes; Fused-ring systems; Cycloaddition; Cyclization; Rearrangement; Silver
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Funding
- National Natural Science Foundation of China [20972030]
- Science & Technology Commission of Shanghai Municipality [09JC1404902]
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2-Alkynylbenzaldoximes react with carbodiimides under mild conditions and silver triflate catalysis in DMF, leading to a diverse range of 1-(isoquinolin-1-yl)ureas in good to excellent yields. This transformation involves tandem 6-endo cyclization, [3+2] cycloaddition, and subsequent rearrangement.
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