Johnson, Patrick S.; Underwood, Toby J.; Wheeler, Simon
Tetrahedron Letters, 2011 , vol. 52, # 25 p. 3226 - 3227

Waddell, Sherman T.; Santorelli, Gina M.; Maletic, Milana M.; Leeman, Aaron H.; Gu, Xin; Graham, Donald W.; Balkovec, James M.; Aster, Susan D.
Patent: US2004/133011 A1, 2004 ;
Location in patent: Page 19-20 ;