Distillation device for brivaracetam impurity production

• Main Author: CAI LIANHUI
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2022
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses a distillation device for brivaracetam impurity production, which comprises a constant temperature heating jacket, a distillation flask, a condenser pipe and a receiving bottle, the distillation flask is placed inside the constant temperature heating jacket, the top of the distillation flask is provided with a gas-guide tube, the top of the gas-guide tube is provided with a cork, a thermometer is inserted into the cork, and the receiving bottle is connected with the condenser pipe. The bottom of the thermometer is located at a branch pipe of the air guide pipe, a connecting pipe is connected to the branch pipe of the air guide pipe, a condensation pipe is arranged outside the connecting pipe, an ox horn pipe is arranged at the bottom of the connecting pipe, and a receiving bottle is arranged at the lower end of the tail of the ox horn pipe. The constant-temperature heating sleeve, the lifting platform, the distillation flask, the connecting pipe, the ox horn pipe and the receiving