Hanby; Rydon Journal of the Chemical Society, 1947 , p. 517 Full Text Show Details Price; Pohland; Velzen Journal of Organic Chemistry, 1947 , vol. 12, p. 311 Full Text Show Details Golumbic; Fruton; Bergman Journal of Organic Chemistry, 1946 , vol. 11, p. 541,542 Full Text Show Details Golumbic; Fruton; Bergmann Journal of Organic Chemistry, 1946 , vol. 11, p. 531,585