Reinhoudt, D. N.; Jong, F. de; Vondervoort, E. M. van
Tetrahedron, 1981 , vol. 37, p. 1753 - 1762

Amblard, Franck; Govindarajan, Baskaran; Lefkove, Benjamin; Rapp, Kimberly L.; Detorio, Mervi; Arbiser, Jack L.; Schinazi, Raymond F.
Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 16 p. 4428 - 4431

Pearson,D.P.J. et al.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1979 , p. 3113 - 3126