Back to results
US 7,126,008 B2Granted
Carvedilol
AssigneeTeva Pharmaceutical Industries Ltd.
InventorsJean Hildesheim, Sergey Finogueev, Judith Aronhime, Ben-Zion Dolitzky, Shoshana Ben-Valid, Ilan Kor
Life of this patent
Estimating the term…
Abstract
This invention relates to an improved process of preparing carvedilol, as well as a new crystalline hydrate and solvate and forms of carvedilol, processes for the manufacture thereof, and pharmaceutical compositions thereof.
Claims6
A process for preparing carvedilol comprising a step of reacting a compound of formula II, 4-(oxiran-2-ylmethoxy)-9H-carbazole,
- with a compound of formula III, 2-(2-methoxyphenoxy)ethylamine
- wherein the compound of formula III is at a molar excess over the compound of formula II.
Dependencies are inferred from the claim text.