反应详情

The procedure described in Example 3 is repeated but 11.9 g of 2-methyl-4,4-diethoxy-2-butenal is used insteat of 16.3 g of 2-methyl- 4-bromo-2-butenal. Pure 2-methyl-4,4-diethoxybutanal is obtained in a yield of 89% of theory.