反应详情

69% Nitric acid (11 mL, 171 mmol) was added to a solution of (E)-2-(benzyloxy)-1-(2-ethoxyethoxy)-4-(2-nitrovinyl)benzene described in Production Example 24-3 (15.4 g, 44.9 mmol) and acetic acid (100 mL) at 25° C., and the mixture was stirred for 6 hours. The reaction liquid was poured onto ice. The suspension was subjected to suction filtration and the product was washed with water to quantitatively obtain the title compound.

1. customThe reaction liquid
2. additionwas poured onto ice
3. filtrationThe suspension was subjected to suction filtration
4. washthe product was washed with water