and Reynolds.'When methylmagnesium bromide was added to mesitoyl chloride in the absence of cobaltous chloride, an 87% yield of 2, 4, 6-methylmesityl ketone was obtained; theie was oiily a trace of the substituted bend Reaction of Methylmagnesium Iodide and Mesitoyl Chloride.-In all experiments with these reagents, the concentrations and proportions of reactants, as well as the rate of addition and the manner of working up the ...