参考文献

Senthil Kumar, Gopal; Zeller, Matthias; Gonnade, Rajesh Ghanshyam; Rajendra Prasad, Karnam Jayarampillai Tetrahedron Letters, 2014, vol. 55, # 30 p. 4240 - 4244 doi: 10.1016/j.tetlet.2014.05.132