反应详情

To a hot solution of 66.6 g of 1-(4-chlorophenyl)-3-(4-(2-methoxyethyl)piperazin-1-yl)methyl-2-pyrrolidinone in 350 mL of ethyl acetate was added a hot solution of (R)-(-)-mandelic acid in 120 mL of ethyl acetate. After cooling, the precipitated crystals were filtered, washed with ethyl acetate and dried in vacuo to give 36.4 g of the title compound.

1. temperatureAfter cooling
2. filtrationthe precipitated crystals were filtered
3. washwashed with ethyl acetate
4. customdried in vacuo