Diedrich, Matthias K.; Klaerner, Frank-Gerrit; Beno, Brett R.; Houk; Senderowitz, Hanoch; Still, W. Clark
Journal of the American Chemical Society, 1997 , vol. 119, # 43 p. 10255 - 10259
Krafft, Marie E.; Bonaga, Llorente V. R.; Felts, Andrew S.; Hirosawa, Chitaru; Kerrigan, Sean
Journal of Organic Chemistry, 2003 , vol. 68, # 15 p. 6039 - 6042