TETRAHEDRON LETTERS, vol. 51, no. 42, page. 5581 - 5584, 2010-10-20
JOURNAL OF ORGANIC CHEMISTRY, vol. 75, no. 9, page. 3105 - 3108, 2010-05-07
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 31, no. 3, page. 650 - 652, 2010-03-20