参考文献

Koo et al. Journal of Organic Chemistry, 1959 , vol. 24, p. 179,183 Full Text Show Details Ek; Witkop Journal of the American Chemical Society, 1954 , vol. 76, p. 5579,5584 Full Text Show Details Hamlin; Fischer Journal of the American Chemical Society, 1951 , vol. 73, p. 5007