Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 15, Issue 14, Pages 2203-2207Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.202000610
Keywords
arynes; multicomponent coupling; phosphines; carbon dioxide; zwitterions
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Funding
- Science and Engineering Research Board (SERB), Government of India [DIA/2018/000018]
- CSIR
- IISc
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A mild and easy to perform multicomponent coupling involving phosphines, arynes generated from 2-(trimethylsilyl)aryl triflates, and CO(2)allowing the transition-metal-free synthesis of zwitterionic phosphonium benzoates has been developed. The reaction proceeds via the generation of 1 : 1 zwitterionic intermediates from phosphines and arynes followed by the interception with CO(2)to deliver the carboxylates in moderate to good yields instead of the anticipated benzooxaphosphol-3(1H)-ones.
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