Maestro A, Lemaire S, Harutyunyan SR. Cu(I)-Catalyzed Alkynylation of Quinolones.
Org Lett 2022;
24:1228-1231. [PMID:
35099185 PMCID:
PMC8845045 DOI:
10.1021/acs.orglett.2c00020]
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Abstract
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Herein we report
the first alkynylation of quinolones with terminal
alkynes under mild reaction conditions. The reaction is catalyzed
by Cu(I) salts in the presence of a Lewis acid, which is essential
for the reactivity of the system. The enantioselective version of
this transformation has also been explored, and the methodology has
been applied in the synthesis of the enantioenriched tetrahydroquinoline
alkaloid cuspareine.
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