TETRAHEDRON LETTERS, vol. 51, no. 27, page. 3536 - 3537, 2010-07-07
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 31, no. 5, page. 1368 - 1370, 2010-05-20
JOURNAL OF ORGANIC CHEMISTRY, vol. 73, no. 11, page. 4302 - 4304, 2008-06-06
ORGANIC LETTERS, vol. 3, no. 10, page. 1507 - 1509, 2001-05-17