Organic Letters
Letter
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indazoles from readily available substrates. This method is highly
efficient and exhibits good functional group tolerance. The
reaction is step- and atom-economic and can be carried out under
mild conditions, with H2O as the sole byproduct. Further studies
on the reaction mechanism are underway.
ASSOCIATED CONTENT
* Supporting Information
■
S
The Supporting Information is available free of charge on the
Crystallographic data for 6 (CIF)
(9) (a) Zhou, B.; Du, J.; Yang, Y.; Feng, H.; Li, Y. Org. Lett. 2013, 15,
6302. (b) Du, J.; Yang, Y.; Feng, H.; Li, Y.; Zhou, B. Chem. - Eur. J. 2014,
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16, 592. (d) Yang, W.; Sun, J.; Xu, X.; Zhang, Q.; Liu, Q. Chem. Commun.
2014, 50, 4420.
Experimental procedures, characterization data, and
copies of NMR spectra (PDF)
AUTHOR INFORMATION
Corresponding Author
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(10) (a) Park, Y.; Park, K. T.; Kim, J. G.; Chang, S. J. Am. Chem. Soc.
2015, 137, 4534.
(11) (a) Wang, J.; Wang, M.; Chen, K.; Zha, S.; Song, C.; Zhu, J. Org.
Lett. 2016, 18, 1178. (b) Yang, L.; Huang, H. Chem. Rev. 2015, 115,
3468. (c) Dhar, D.; Tolman, W. B. J. Am. Chem. Soc. 2015, 137, 1322.
(d) Park, S. H.; Kwak, J.; Shin, K.; Ryu, J.; Park, Y.; Chang, S. J. Am.
Chem. Soc. 2014, 136, 2492. (e) Yu, J.; Jin, Y.; Zhang, H.; Yang, X.; Fu, H.
Chem. - Eur. J. 2013, 19, 16804. (f) Huang, H.; Ji, X.; Tang, X.; Zhang,
M.; Li, X.; Jiang, H. Org. Lett. 2013, 15, 6254. (g) Tan, P. W.; Juwaini, N.
A. B.; Seayad, J. Org. Lett. 2013, 15, 5166. (h) Ding, S.; Yan, Y.; Jiao, N.
Chem. Commun. 2013, 49, 4250. (i) Maejima, T.; Ueda, M.; Nakano, J.;
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(j) Lian, Y.; Bergman, R. G.; Ellman, J. A. J. A. Chem. Sci. 2012, 3, 3088.
(k) Kim, J. Y.; Park, S. H.; Ryu, J.; Cho, S. H.; Kim, S. H.; Chang, S. J. Am.
Chem. Soc. 2012, 134, 9110. (l) Mousseau, J. J.; Bull, J. A.; Charette, A. B.
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Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
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Financial support from the NSFC (Nos. 21272231, 21525208,
and 21472186) and the Chinese Academy of Sciences are
gratefully acknowledged.
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