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construction of useful heterocyclic skeletons with great
complexity. In particular, a highly enantioselective reaction
with catalytic amount of KF was achieved. Moreover, this
catalytic system can be applicable to the gram-scale reaction
without any loss of diastereoselectivity or enantioselectivity.
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ASSOCIATED CONTENT
■
S
* Supporting Information
The Supporting Information is available free of charge on the
Experimental procedure and characterization data for all
AUTHOR INFORMATION
■
Commun. 2016, 52, 3418−3421. (j) Mahajan, S.; Chauhan, P.; Blumel,
̈
Corresponding Author
ORCID
M.; Puttreddy, R.; Rissanen, K.; Raabe, G.; Enders, D. Synthesis 2016,
48, 1131−1138.
(8) Zhou, P.; Cai, Y.; Lin, L.; Lian, X.; Xia, Y.; Liu, X.; Feng, X. Adv.
Synth. Catal. 2015, 357, 695−700.
Author Contributions
§M.D. and Y.L. contributed equally to this work.
(9) Xiang, Y.; Song, J.; Zhang, Y.; Yang, D.-C.; Guan, Z.; He, Y.-H. J.
Org. Chem. 2016, 81, 6042−6048.
(10) The absolute configurations of target products were confirmed
by comparing the identification data with the data in ref 7c.
(11) (a) Zeng, X.-P.; Cao, Z.-Y.; Wang, Y.-H.; Zhou, F.; Zhou, J.
Chem. Rev. 2016, 116, 7330−7396. (b) Buschleb, M.; Dorich, S.;
̈
Notes
Hanessian, S.; Tao, D.; Schenthal, K. B.; Overman, L. E. Angew. Chem.,
Int. Ed. 2016, 55, 4156−4186.
The authors declare no competing financial interest.
(12) (a) Vivek Kumar, S.; Prasanna, P.; Perumal, S. Tetrahedron Lett.
2013, 54, 6651−6655. (b) Liang, J.-J.; Pan, J.-Y.; Xu, D.-C.; Xie, J.-W.
Tetrahedron Lett. 2014, 55, 6335−6338. (c) Hu, Y.-J.; Wang, X.-B.; Li,
S.-Y.; Xie, S.-S.; Wang, K. D. G.; Kong, L.-Y. Tetrahedron Lett. 2015,
56, 105−108.
ACKNOWLEDGMENTS
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This study was supported by the Fundamental Research Funds
for the Central Universities in China (Grant No. CQDXWL-
2014-Z003), the Scientific Research Foundation of China
(Grant No. 21402016), and the Graduate Scientific Research
and Innovation Foundation of Chongqing, China (CYB16032)
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