[EN] PROCESS FOR THE PRODUCTION OF 2-[4-(3- OR 2-FLUOROBENZYLOXY)BENZYLAMINO]PROPANAMIDES WITH HIGH PURITY DEGREE [FR] PROCÉDÉ DE PRODUCTION DE 2-[4-(3- OU 2-FLUOROBENZYLOXY)BENZYLAMINO] PROPANAMIDES D'UN DEGRÉ DE PURETÉ ÉLEVÉ
[EN] PROCESS FOR THE PRODUCTION OF 2-[4-(3- OR 2-FLUOROBENZYLOXY)BENZYLAMINO]PROPANAMIDES WITH HIGH PURITY DEGREE [FR] PROCÉDÉ DE PRODUCTION DE 2-[4-(3- OU 2-FLUOROBENZYLOXY)BENZYLAMINO] PROPANAMIDES D'UN DEGRÉ DE PURETÉ ÉLEVÉ
Process for the preparation of Safinamide Mesylate intermediate
申请人:RK Pharma Solutions LLC
公开号:US20210040031A1
公开(公告)日:2021-02-11
The present application provides methods for the synthesis of intermediates in the synthesis of Safinamide or a pharmaceutically acceptable salt thereof herein Safinamide Mesylate, that is substantially free of impurities.
[EN] AN IMPROVED SYNTHESIS OF ANTI-PARKINSON AGENT<br/>[FR] SYNTHÈSE AMÉLIORÉE D'AGENT ANTIPARKINSONIEN
申请人:COUNCIL SCIENT IND RES
公开号:WO2014178083A1
公开(公告)日:2014-11-06
The present invention relates to an improved process for synthesis of anti-Parkinson compound of formula (I) from commercially available (R)-benzyl glycidyl ether, wherein the compound obtained has enantiopurity greater than >98%. Formula (I) wherein R1 and R2 are each independently selected from hydrogen or halogen.
PROCESS FOR THE PRODUCTION OF 2-[4-(3- AND 2-FLUOROBENZYLOXY) BENZYLAMINO] PROPANAMIDES
申请人:BARBANTI ELENA
公开号:US20120157712A1
公开(公告)日:2012-06-21
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.
Process for the production of 2-[4-(3- and 2-fluorobenzyloxy) benzylamino] propanamides
申请人:Newron Pharmaceuticals S.p.A.
公开号:US08076515B2
公开(公告)日:2011-12-13
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.
HIGH PURITY 2-[4-(3- OR 2-FLUOROBENZYLOXY)BENZYLAMINO] PROPANAMIDES AND METHODS OF USE THEREOF
申请人:Newron Pharmaceuticals S.p.A.
公开号:US20140051758A1
公开(公告)日:2014-02-20
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 a reduction reaction with a reducing agent selected from sodium borohydride and potassium borohydride in an appropriate amount of an organic solvent selected from C
1
-C
5
lower alkanols, allowing the formation and presence during a substantial position of the reduction reaction course of a suspension of the Schiff base into the saturated solution of the Schiff base into the same organic solvent.