Procedure for obtaining new analgesic medicines (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for obtaining new analgesic drugs, characterized by adding a solution of 172.1 g (1.1 mol) of salicylic acid chloride in one liter of anhydrous benzene 144 g. (1 mol) of 4-diethylaminobutyl-amine (C2-H5) 2 N-CH2-CH2-CH2-CH2-NH2, dissolved in 200 cm3 of anhydrous benzene, affecting such addition slowly and stirring and keeping the temperature between 0 and 5ºC. and once the addition is complete, continue stirring for one hour at the same temperature, and then at the boiling temperature of the benzene. (Machine-translation by Google Translate, not legally binding)