反应详情

2.2 30 ml of a 40% dimethylamine solution in 200 ml of THF are initially introduced. 20 g of methyl 4-chlorocarbonylbenzoate are dissolved in 300 ml of THF and added dropwise, and the mixture is stirred at room temperature for a further 2 hours. The solvent is removed, and the mixture is subjected to conventional work-up, giving 19.2 g of methyl 4-(N,N-dimethylaminocarbonyl)benzoate (“BB”), m.p. 107°.

1. additionadded dropwise
2. customThe solvent is removed