Nitration of Pentamethylnitrobenzene, Pentamethylbenzoic Acid and Its Methyl Ester, Pentamethylacetanilide, and Pentamethylphenol and Its Methyl Ether. Orienting Effect of the Substituents for the Side-chain Nitrooxylation
Chloromethylation with Chloromethyl Methyl Ether and 60%-Fuming Sulfuric Acid. A Simple Synthesis of Some Nitropolymethylbenzyl Chlorides and Dihalopolymethylbenzyl Chlorides