Barton, Derek H. R.; Bringmann, Gerhard; Lamotte, Genevieve; Motherwell, William B.; Motherwell, Robyn S. Hay; Porter, Alexander E. A.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2657 - 2664

Schmidt; Fehr
Justus Liebigs Annalen der Chemie, 1959 , vol. 621, p. 1,7

Barton, Derek H. R.; Bringmann, Gerhard; Lamotte, Genevieve; Motherwell, William B.; Motherwell, Robyn S. Hay; Porter, Alexander E. A.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2657 - 2664

McKay et al.
Journal of the American Chemical Society, 1959 , vol. 81, p. 4328,4330,4333