Mosettig; van de Kamp Journal of the American Chemical Society, 1930 , vol. 52, p. 3704,3708 Journal of the American Chemical Society, 1933 , vol. 55, p. 2995 Anm. 9 Full Text Show Details Dixon; Neiswender Journal of Organic Chemistry, 1960 , vol. 25, p. 499,502