Hill, Lensey L.; Smith, Joanna M.; Brown, William S.; Moore, Lucas R.; Guevera, Paul; Pair, Emily S.; Porter, Jake; Chou, Joe; Wolterman, Christopher J.; Craciun, Raluca; Dixon, David A.; Shaughnessy, Kevin H. Tetrahedron, 2008 , vol. 64, # 29 p. 6920 - 6934