TETRAHEDRON, vol. 62, no. 50, page. 11645 - 11651, 2006-12-11
TETRAHEDRON-ASYMMETRY, vol. 17, no. 7, page. 1111 - 1115, 2006-04-03
CHEMICAL COMMUNICATIONS, no. 31, page. 3314 - 3316, 2006-01