Bleriot, Yves; Smelt, Kathryn H.; Cadefau, Joan; Bollen, Mathieu; Stalmans, Willy; Biggadike, Keith; Johnson, Louise N.; Oikonomakos, Nikos G.; Lane, Alexandra L.; Crook, Sarah; Watkin, David J.; Fleet, George W. J. Tetrahedron Letters, 1996, vol. 37, # 39 p. 7155 - 7158 doi: 10.1016/0040-4039(96)01565-1