BY ROBERT?'he oxidation of neoergosterol with ozone to form methylisopropylacetaldehyde was first reported by Inhoffen.'Reniesov2 later confirmed the formation of the aldehyde and reported also the production, in unspecified yield, of an acid melting at 210-212O. The crude acid was esterified with diazomethane to form a substance melting at 144-13. j0 which Rcmesov iriferred was methyl cY-(:~(B)-acetoxy-3, i,~- ...
