Organic Letters
ORCID
Letter
Philippart, F.; Brown, S. M.; Urch, C. J. Angew. Chem., Int. Ed. 2004,
43, 1588. (d) Nishii, T.; Ouchi, T.; Matsuda, A.; Matsubara, Y.;
Haraguchi, Y.; Kawano, T.; Kaku, H.; Horikawa, M.; Tsunoda, T.
Tetrahedron Lett. 2012, 53, 5880.
(14) Zhang, C.; Jiao, N. Angew. Chem., Int. Ed. 2010, 49, 6174.
(15) For other co-catalytic systems for the aerobic dehydrogenation
of 1,2,3,4-tetrahydroquinolines, see: (a) Yuan, H.; Yoo, W.-J.;
Miyamura, H.; Kobayashi, S. J. Am. Chem. Soc. 2012, 134, 13970.
(b) Wendlandt, A. E.; Stahl, S. S. J. Am. Chem. Soc. 2014, 136, 11910.
(c) Jawale, D. V.; Gravel, E.; Shah, N.; Dauvois, V.; Li, H.;
Namboothiri, I. N. N.; Doris, E. Chem. - Eur. J. 2015, 21, 7039.
Author Contributions
‡D.J. and M.H.K. contributed equally.
Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
■
This research was supported by the Basic Science Research
Program through the National Research Foundation of Korea
(NRF) funded by the Ministry of Science, ICT & Future
Planning (NRF-2015R1C1A1A02037185).
(17) (a) Michael, J. P. Nat. Prod. Rep. 2008, 25, 166. (b) Afzal, O.;
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(18) Stone, M. T. Org. Lett. 2011, 13, 2326.
(19) For other aerobic dehydrogenations of 1,2,3,4-tetrahydroquino-
line, see: (a) Furukawa, S.; Suga, A.; Komatsu, T. Chem. Commun.
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(20) Acceptorless dehydrogenation of 1,2,3,4-tetrahydroquinoline:
(a) Muthaiah, S.; Hong, S. H. Adv. Synth. Catal. 2012, 354, 3045.
(b) Jin, X.; Liu, Y.; Lu, Q.; Yang, D.; Sun, J.; Qin, S.; Zhang, J.; Shen,
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