反应详情

The procedure of Example 1-a was repeated for this synthesis. From 0.05 mole (5.4 ml) of 2-methyl-2-butanol, 0.1 mole (6.5 ml) of methanesulfonic acid and 0.4 mole of propionic anhydride, after treating with NH4OH the aqueous solution of pyrylium salts, 4.1 g (50%) were obtained of a mixture of 2,6-diethyl-3,4-dimethylpyridine and of 2,4,6-triethylpyridine in the respective proportions of 96% and 4%.

1. customThe procedure of Example 1-a was repeated for this synthesis