METHOD FOR THE PURIFICATION OF VILANTEROL TRIFENATATE
Method for the purification of vilanterol trifenatate It is provided a method for the purification of vilanterol trifenatate of formula (I) comprising crystallizing vilanterol trifenatate from a ketone solvent selected from the group consisting of methyl ethyl ketone (MEK), methyl isobutyl ketone (M...
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Main Authors | , , , |
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Format | Patent |
Language | English French |
Published |
03.02.2022
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Subjects | |
Online Access | Get full text |
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Summary: | Method for the purification of vilanterol trifenatate It is provided a method for the purification of vilanterol trifenatate of formula (I) comprising crystallizing vilanterol trifenatate from a ketone solvent selected from the group consisting of methyl ethyl ketone (MEK), methyl isobutyl ketone (MIK), ethyl isopropyl ketone, methyl isopropyl ketone, 3-methyl-2-pentanone, and a mixture thereof.
L'invention concerne un procédé de purification de trifénatate de vilantérol de formule (I), comprenant la cristallisation de trifénatate de vilantérol à partir d'un solvant cétone choisi dans le groupe constitué par la méthyléthylcétone (MEK), la méthylisobutylcétone (MIK), l'éthylisopropylcétone, la méthylisopropylcétone, le 3-méthyl-2-pentanone, et un mélange de ceux-ci. |
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Bibliography: | Application Number: WO2021EP70903 |