反应详情

Into a triple-necked flask of one liter, provided with a magnetic stirring system, with a thermometer and a dropping funnel, were introduced successively 143.9 g (0.83 mole) of 3,4-dimethoxy chlorobenzene, then drop by drop 166 cm3 of nitric acid (d=1.38), without the temperature exceeding 25° C. When the addition was ended, the reaction mixture was allowed to stand 1.5 h and then filtered.

1. customInto a triple-necked flask of one liter, provided with a magnetic stirring system, with a thermometer and a dropping funnel
2. customexceeding 25° C
3. additionWhen the addition
4. filtrationfiltered