Fig. 1.-Infrared spectra:, 4, saturated solution of Ia in benzene (benzene peaks at 5.09 p and 5.51 p); B, after addition of 1 equiv. of t-butyl hypochlorite and 0.5 equiv. of potassium t- butoxide; C, after addition of l equiv. of potassium t-butoxide; D, after addition of slightly more than 1 equiv. of potassium t-butoxide; E, after evaporation of solution of curve C to dryness and extraction of solids with pentane; F, mixture of curve E after two weeks in freezer. ...