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 CERÓN BERTRAN, Jordi Carles, CAPDEVILA URBANEJA, Enric, DALMASES BARJOAN, Pere, RAMÍREZ ARTERO, Jesús
Format Patent
LanguageEnglish
French
Published 03.02.2022
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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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.
Bibliography:Application Number: WO2021EP70903