Journal
ORGANIC LETTERS
Volume 19, Issue 24, Pages 6670-6673Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b03394
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Funding
- National Natural Science Foundation of China [21672108, 21372122, 21421062]
- Natural Science Foundation of Tianjin [16JCZDJC31700]
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A novel method for the synthesis of pi-conjugated phosphindolium salts via copper-mediated C-H functionalization of trisubstituted phosphines with alkynes in a single step is reported. The reactions are highly regioselective with unsymmetrical aryl-alkyl substituted alkynes. This protocol provides an unprecedented atom and step-efficient access to valuable phosphindolium salts.
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