反应详情

温度

180 °C

3,4-Dichloro-5-methoxyphthalic acid (17.5 g., 0.066 mole) is mixed with pyridine hydrochloride (120 g.). The mixture is heated at 180° C. for one hour and then poured into water (1 l.). The solid that separates melts at 211°-212..5° C. and is used without purification in the next step.

1. customThe solid that separates melts at 211°-212..5° C. and is used without purification in the next step