... cH~-cH~/ [COXTRIBL-TION FROM THE DEPARTMENT OF PHYSICS AND CHEMISTRY, GAKUSXHIN UNIVERSITY] ... SOC. (2) T. Mukaiyama and Y. Hoshino THIS JOURNAL 78, 1946 Japan, 29, 51 (1956). (1956). ... 79 stituents on the dissociation of urethans in amine solvents. ...