Organic Letters
Letter
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Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
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The authors are grateful to the Chinese National Science
Foundation (NSF) (Grant No. 21272175) and the Funda-
mental Research Funds for the Central Universities for
financial support of this research.
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(15) Bondzic, B. P.; Eilbracht, P. Org. Lett. 2008, 10, 3433.
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