反应详情

In 50 ml of methylene chloride was dissolved 7 g of 2-[bis(4-acetoxyphenyl)methyl]benzoic acid obtained by Reference Example 1, and then 10 ml of thionyl chloride was added dropwise to the solution at room temperature. The reaction mixture was stirred for 2 hours, and the reaction mixture was concentrated under reduced pressure to afford 11.33 g of the desired compound as an oily matter.

1. customobtained by Reference Example 1
2. concentrationthe reaction mixture was concentrated under reduced pressure