BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 32, no. 8, page. 2871 - 2872, 2011-08-20
JOURNAL OF ORGANIC CHEMISTRY, vol. 67, no. 26, page. 9481 - 9483, 2002-12-27
ORGANIC LETTERS, vol. 3, no. 25, page. 4099 - 4101, 2001-12-13