CHEMICAL COMMUNICATIONS, no. 18, page. 2541 - 2543, 2009-05
Tetrahedron Letters, vol. 49, no. 38, page. 5515 - 5518, 2008-09-15
Bulletin of the Korean Chemical Society, vol. 31, no. 4, page. 1004 - 1013, 2010-04-20
Dalton Transactions, no. 19, page. 2598 - 2602, 2008-05