[2] [2] Litvinenko S V, Volovenko Y M, Savich V I, et al. Chem. Heterocycl Compd, 1992, 28(1): 93.

[3] [3] Kim D, Wang L P, Beconi M, et al. J. Med. Chem., 2005, 48(1): 141.

[4] [4] Chekmarev D S, Shorshnev S V, Stepanov A E, et al. Tetrahedron, 2006, 62(42): 9919.

[5] [5] Fox M E, Jackson M, Lennon I C, et al. J. Org. Chem., 2008, 73(3): 775.

[6] [6] Malik I, Hussain M, Ali A, et al. Tetrahedron, 2010, 66(9): 1637.

[7] [7] Schaffroth M, Lindner B D, Wasilenko V, et al. J. Org. Chem., 2013, 78(7): 3142.

[8] [8] Lokhande M V, Gupta M K, Rathod N G, J. Pharm. Pharm. Science, 2013, 3(3): 107.

[9] [9] http://sdbs.riodb.aist.go.jp/sdbs/cgi-bin/direct_frame_disp.cgi sdbsno=51442.

[10] [10] http://webbook.nist.gov/cgi/cbook.cgi ID=C4858859&Units=SI&Mask=80#IR-Spec.

[11] [11] Frisch M J, Trucks G W, Schlegel H B, et al. Gaussian, Inc., Pittsburgh, 2009.

[12] [12] Jamroz M H. Vibrational Energy Distribution Analysis: Vibrational Energy Distribution Analysis 4 Program, Poland Warsaw, 2004.