Process for the obtaining of esters of acetylsalicylic acid and

Details Process for the obtaining of esters of acetylsalicylic acid and Process for the obtaining of esters of acetylsalicylic acid and

1975-04-23

1977-02-01

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6984

Patent

active

040061817

ABSTRACT:
The present invention relates to a new process for the obtaining of dimethylaminoethyl acetylsalicylate and its salts.
It is characterized by the fact that the synthesis of the acid chloride is effected in an aliphatic hydrocarbon in the presence of pyridine as catalyst; after condensation with the dimethylaminoethanol, the product obtained is recovered by crystallization in anhydrous medium.
The products obtained can be used in the pharmaceutical industry.

REFERENCES:
patent: 3468939 (1969-09-01), Kalterbronn
patent: 3647859 (1972-03-01), Ogura

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