Novel crystalline forms of...

C - Chemistry – Metallurgy – 07 – D

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C07D 211/22 (2006.01)

Patent

CA 2450858

The present invention is related to novel polymorph of Fexofenadine and Fexofenadine hydrochloride of formula 1 and process of preparation thereof. The present invention is also directed to provide pure novel polymorphs of Fexofenadine and its hydrochloride by a simple process which is cost effective, commercially viable and environment friendly.

L'invention concerne un nouveau polymorphe de la fexofenadine et du chlorhydrate de fexofenadine de formule (1), ainsi que son procédé de préparation. L'invention concerne par ailleurs de nouveaux polymorphes purs de fexofenadine et de son chlorhydrate par un procédé simple, peu coûteux, commercialement viable et convivial.

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