I’m nasty, but useful in the lab. What molecule am I? In German Patent 182,287 (1905), inventor Max le Blanc of Leipzig described an electrolytic method for the continuous production for chromic acid ...

The oxidation of 2:4: 4-trimethylpentene-1 [α–diisobutylene] [I] by chromium tri-oxide dissolved in acetic anhydride yields a neutral oil containing largely 2: 4: 4-trimethylpentan-1: 2-epoxide [II] ...