Process for the production of 2-[4-(3- and 2-fluorobenzyloxy) benzylamino] propanamides

A process for obtaining therapeutically active 2-[4-(3- and 2-(fluorobenzyloxy)benzylamino]propanamides and their salts with pharmaceutically acceptable acids with high purity degree, in particular, with a content of dibenzyl derivatives impurities lower than 0.03%, preferably lower than 0.01% by we...

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Bibliographic Details
Main Authors VELARDI FRANCESCO, BARBANTI ELENA, CACCIA CARLA, RUFFILLI TIZIANO, BOGOGNA LUIGI, SALVATI PATRICIA
Format Patent
LanguageEnglish
Published 13.12.2011
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:A process for obtaining therapeutically active 2-[4-(3- and 2-(fluorobenzyloxy)benzylamino]propanamides and their salts with pharmaceutically acceptable acids with high purity degree, in particular, with a content of dibenzyl derivatives impurities lower than 0.03%, preferably lower than 0.01% by weight. The process is carried out by submitting the Schiff bases intermediates 2-[4-(3- and 2-fluorobenzyloxy)benzylideneamino]propanamides to catalytic hydrogenation in the presence of a heterogeneous catalyst in a protic organic solvent.
Bibliography:Application Number: US20080338825