Johnson, William S.; Bartlett, William R.; Czeskis, Boris A.; Gautier, Arnaud; Lee, Cheol H.; Lemoine, Remy; Leopold, Eric J.; Luedtke, Gregory R.; Bancroft, Katherine J. Journal of Organic Chemistry, 1999, vol. 64, # 26 p. 9587 - 9595 doi: 10.1021/jo991196s