参考文献

Journal of the Chemical Society, , p. 527,529 Journal of the American Chemical Society, , vol. 70, p. 281,282 Journal of the American Chemical Society, , vol. 74, p. 1875 Journal of Organic Chemistry, , vol. 11, p. 556 Chimica e l'Industria (Milan, Italy), , vol. 29, p. 170 Chem.Abstr., , p. 5849 Journal of the American Chemical Society, , vol. 71, p. 1415,1417, 1418