Huang, Jinhua; Yang, Jessica R.; Zhang, Jin; Yang, Jiong
Journal of the American Chemical Society, 2012 , vol. 134, # 21 p. 8806 - 8809

Odinokov, V. N.; Kukovinets, O. S.; Zainullin, R. A.; Ishmuratov, G. Yu.; Isakova, L. A.; Tolstikov, G. A.
Journal of Organic Chemistry USSR (English Translation), 1987 , vol. 23, # 11 p. 2017 - 2021
Zhurnal Organicheskoi Khimii, 1986 , vol. 23, # 11 p. 2288 - 2293

Lombardo, Domenic A.; Weedon, Alan C.
Tetrahedron Letters, 1986 , vol. 27, # 46 p. 5555 - 5558

Kappeler et al.
Helvetica Chimica Acta, 1954 , vol. 37, p. 957,962