摘要:
The invention relates to a process for preparing the compound of formula 1 a valuable intermediate product in the synthesis of the pharmaceutical active substance dabigatran etexilate.
摘要:
The invention relates to a process for preparing the compound of formula 1 a valuable intermediate product in the synthesis of the pharmaceutical active substance dabigatran etexilate.
摘要:
The invention relates to a new process for the purification, by distillation, of thermolabile compounds wherein a thermolabile compound is introduced into a twin screw extruder which is heated, in at least one zone, to the boiling temperature of the compound. The volatilized compound is drawn off and condensed.