Yasuda, Nobuyoshi; Huffman, Mark A.; Ho, Guo-Jie; Xavier, Lyndon C.; Yang, Chunhua; Emerson, Khateeta M.; Tsay, Fuh-Rong; Li, Yulan; Kress, Michael H.; Rieger, Dale L.; Karady, Sandor; Sohar, Paul; Abramson, Newton L.; DeCamp, Ann E.; Mathre, David J.; Douglas, Alan W.; Dolling, Ulf-H.; Grabowski, Edward J. J.; Reider, Paul J. Journal of Organic Chemistry, 1998, vol. 63, # 16 p. 5438 - 5446 doi: 10.1021/jo980381n