US 2014/0275610 A1Published application

Process for the preparation of fesoterodine or a salt thereof

AssigneeDipharma Francis S.R.L.

InventorsMarco ARTICO, Emanuele ATTOLINO, Pietro ALLEGRINI, Gabriele RAZZETTI

Life of this patent

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Abstract

A process for the preparation of (R)-2-(3-diisopropylamino-1-phenylpropyl)-4-(hydroxymethyl)-phenol isobutyrate (Fesoterodine) or a pharmaceutically acceptable salt thereof having low content in impurities.

Claims1

Dependent claims

A pharmaceutical composition comprising a compound of formula (I) or a pharmaceutically acceptable salt thereof,

and an amount of a compound of formula (III) and/or (IV) and/or (V)
comprised between about 0.0001% to about 0.1%, for each of them.

Dependencies are inferred from the claim text.

Facts

Application: 14/293,163Filed 2 Jun 2014
Priority: IT MI2010A0022629 Dec 2010
Published: 18 Sep 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

A61K 31/222
Of acyclic acids, e.g. pravastatin: with compounds having aromatic groups, e.g. dipivefrine, ibopamine
C07C 213/06
Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same…:…
C07C 217/62
With amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further…:…
A61K
Medicines and medical preparations

Family

Application13/295,224Division · filed 14 Nov 2011
Application14/293,163Division
US 2012/0149772 A1Published application
US 8,772,340 B2Related patent
US 2014/0275610 A1This patent

From the US filing history. Foreign family members aren’t listed.

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