Organic Letters
Letter
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(16) The use of 1.2 equiv of disilane with 1.8 equiv of CsF produced
2a in 78% yield along with the recovery of 1a in 21% yield.
(17) The addition of a radical scavenger (BHT or TEMPO) did not
shut down the desired carboxylation, and 2a was obtained in 86% and
82% yield, respectively under the optimal conditions (Table 1, entry
10), which indicates exclusion of the radical process.
AUTHOR INFORMATION
■
Corresponding Authors
Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
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This work was financially supported by Grants-in-Aid for
Scientific Research (C) (No. 26410108) and Grants-in-Aid for
Scientific Research (B) (No. 26293001) from JSPS and also by
a Grant-in-Aid for Scientific Research on Innovative Areas
“Molecular Activation Directed toward Straightforward Syn-
thesis (No. 25105701)” from MEXT.
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