Zhao, Matthew M.; McNamara, James M.; Ho, Guo-Jie; Emerson, Khateeta M.; Song, Zhiguo J.; Tschaen, David M.; Brands, Karel M. J.; Dolling, Ulf-H; Grabowski, Edward J. J.; Reider, Paul J.; Cottrell, Ian F.; Ashwood, Michael S.; Bishop, Brian C. Journal of Organic Chemistry, 2002 , vol. 67, # 19 p. 6743 - 6747