D'Andrea, Stan V.; Bonner, Daniel; Bronson, Joanne J.; Clark, Junius; Denbleyker, Ken; Fung-Tomc, Joan; Hoeft, Shelley E.; Hudyma, Thomas W.; Matiskella, John D.; Miller, Raymond F.; Misco, Peter F.; Pucci, Michael; Sterzycki, Roman; Tsai, Yuan; Ueda, Yasutsuga; Wichtowski, John A.; Singh, Janak; Kissick, Thomas P.; North, Jeffery T.; Pullockaran, Annie; Humora, Michael; Boyhan, Brenda; Vu, Truc; Fritz, Alan; Heikes; Fox, Rita; Godfrey, Jollie D.; Perrone, Robert; Kaplan, Murray; Kronenthal, David; Mueller, Richard H.
Tetrahedron, 2000 , vol. 56, # 31 p. 5687 - 5698

Gebauer-Fuelnegg; Figdor
Monatshefte fuer Chemie, 1927 , vol. 48, p. 632

Montgomery et al.
Journal of Organic Chemistry, 1946 , vol. 11, p. 301,305

Baddeley; Bennett
Journal of the Chemical Society, 1933 , p. 46