... Page 2. 4516 KOVACIC, GORMISH, HOPPER, AND KNAPCZYK The Journal of Organic Chemistry P 4 8 0 CICI e ... Soc., 3576 (1953). (11) H. C. Brown, JD Brady, M. Grayson, and W. H. Bonner, J . Amer. (12) H. C. Brown, Y . Okamoto, and G. Ham, ibid., 79, 1906 (1957). ...