TETRAHEDRON, vol. 62, no. 50, page. 11645 - 11651, 2006-12-11
TETRAHEDRON-ASYMMETRY, vol. 17, no. 7, page. 1111 - 1115, 2006-04-03
JOURNAL OF ORGANIC CHEMISTRY, vol. 71, no. 1, page. 38 - 45, 2006-01-06
TETRAHEDRON LETTERS, vol. 45, no. 37, page. 6835 - 6838, 2004-09-06