Process for the preparation of 7-(2-diethylaminoethyl)-theophyll

Details Process for the preparation of 7-(2-diethylaminoethyl)-theophyll Process for the preparation of 7-(2-diethylaminoethyl)-theophyll

1989-02-28

1990-03-13

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415772, 20415789, 560143, 544267, B01J 1908

Patent

active

049081110

ABSTRACT:
A process for the preparation of 7-(2-diethylaminoethyl)-theophylline acetylsalicylate and use of the product obtained. The process comprises prior filtering of a solution of the reactants through a layer of diatomaceous earth and activated carbon, cooling and treatment with a source of high frequency ultrasounds. The product is used in the manufacture of anti-agglutination and anti-thrombotic agents.
The process provides products having a high level of purity.

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