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
ORGANIC LETTERS, vol. 9, no. 6, page. 1157 - 1159, 2007-03-15
ORGANIC LETTERS, vol. 7, no. 20, page. 4523 - 4526, 2005-09-29