Patents Assigned to Dipharma Francis S.r.l.
  • Patent number: 8802155
    Abstract: Iminosugar, which possesses known activity as a glycosyltransferase inhibitor, and is used, for example, in the treatment of Gaucher's disease, in crystalline form, a process for its preparation and a pharmaceutical composition thereof.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: August 12, 2014
    Assignee: Dipharma Francis S.r.l.
    Inventors: Emanuele Attolino, Andrea Malvestiti
  • Patent number: 8772340
    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.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: July 8, 2014
    Assignee: Dipharma Francis S.r.l.
    Inventors: Marco Artico, Emanuele Attolino, Pietro Allegrini, Gabriele Razzetti
  • Publication number: 20140148574
    Abstract: Process for the preparation of a cyclopropylamide compound which is useful as a structural unit in a process for the preparation of a viral protease inhibitor.
    Type: Application
    Filed: November 22, 2013
    Publication date: May 29, 2014
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Pietro ALLEGRINI, Enrico BRUNOLDI, Emanuele ATTOLINO, Alessio BOVE
  • Publication number: 20140058107
    Abstract: Process for the preparation of apixaban and intermediates useful for the preparation thereof.
    Type: Application
    Filed: June 7, 2012
    Publication date: February 27, 2014
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Chiara Vladiskovic, Emanuele Attolino, Alessandro Lombardo, Simone Tambini
  • Patent number: 8530691
    Abstract: A process for the preparation of (R)-2-(3-diisopropylamino-1-phenylpropyl)-4-(hydroxymethyl)-phenol isobutyrate (Fesoterodine), its (S)-enantiomer, and novel intermediates useful in the synthesis.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: September 10, 2013
    Assignee: Dipharma Francis s.r.l.
    Inventors: Simone Mantegazza, Pietro Allegrini, Emanuele Attolino
  • Patent number: 8461190
    Abstract: A process for purifying Rufinamide, comprising: a) providing a dispersion of crude 1-[(2,6-difluorophenyl)methyl]-1H-1,2,3-triazole-4-carboxamide in a solvent mixture containing at least a carboxylic acid, and dissolving it; b) slowly cooling the solution to precipitate Rufinamide crystalline form A; and c) recovering the solid.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: June 11, 2013
    Assignee: Dipharma Francis S.r.L.
    Inventors: Pietro Allegrini, Dario Pastorello, Gabriele Razzetti
  • Patent number: 8455678
    Abstract: Disclosed is a process for the preparation of (R)-2-(3-diisopropylamino-1-phenylpropyl)-4-(hydroxymethyl)-phenol isobutyrate (Fesoterodine) or a pharmaceutically acceptable salt thereof having a low content of impurities such as tolterodine and tolterodine isobutyrate.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: June 4, 2013
    Assignee: Dipharma Francis s.r.l.
    Inventors: Marco Artico, Emanuele Attolino, Pietro Allegrini
  • Publication number: 20130090474
    Abstract: The application discloses a process for the preparation of 5-deoxy-L-arabinose of formula (VI); comprising the conversion of a compound of formula (XII); wherein n is 0, 1 or 2; which can be used as intermediate for the synthesis of sapropterin.
    Type: Application
    Filed: June 13, 2011
    Publication date: April 11, 2013
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Emanuele Attolino, Mario Michieletti, Davide Rossi, Pietro Allegrini
  • Publication number: 20130030179
    Abstract: It is disclosed a process for the preparation of a compound of formula (I) or a salt thereof, comprising: nitrating a compound of formula (II) or a salt thereof, to obtain a compound of formula (IV) or a salt thereof, reducing it, to obtain a compound of formula (V) or a salt thereof, and subsequently cyclizing it to obtain a compound of formula (I) or a salt thereof and, if desired, converting a compound of formula (I) to a salt thereof, or vice versa, characterized in that: the nitration of a compound of formula (II) or a salt thereof is carried out with concentrated nitric acid in the presence of a strong inorganic acid and that the amino group in the compound of formula (II) is not protected.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 31, 2013
    Applicant: DIPHARMA FRANCIS S.r.l.
    Inventors: Emanuele ATTOLINO, Roberto ROSSI, Pietro ALLEGRINI
  • Patent number: 8362260
    Abstract: The present invention relates to novel crystalline forms of Dexlansoprazole and a process for the preparation of amorphous Dexlansoprazole.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: January 29, 2013
    Assignee: Dipharma Francis S.r.l.
    Inventors: Chiara Vladiskovic, Gabriele Razzetti
  • Patent number: 8314241
    Abstract: Process for the preparation of crystalline anhydrous (R)-2-[[[3-methyl-4-(2,2,2-trifluoroetoxy)-2-piridyl]methyl]sulphinyl]benzimidazole (dexlansoprazole).
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: November 20, 2012
    Assignee: Dipharma Francis S.r.l.
    Inventors: Chiara Vladiskovic, Alessandro Restelli, Gabriele Razzetti
  • Publication number: 20120277443
    Abstract: A process for purifying Rufinamide, comprising: a) providing a dispersion of crude 1-[(2,6-difluorophenyl)methyl]-1H-1,2,3-triazole-4-carboxamide in a solvent mixture containing at least a carboxylic acid, and dissolving it; b) slowly cooling the solution to precipitate Rufinamide crystalline form A; and c) recovering the solid.
    Type: Application
    Filed: April 20, 2012
    Publication date: November 1, 2012
    Applicant: DIPHARMA FRANCIS S.R. L.
    Inventors: Pietro ALLEGRINI, Dario PASTORELLO, Gabriele RAZZETTI
  • Patent number: 8236961
    Abstract: A process for the preparation of 4-[1-oxo-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-?,?-dimethylbenzeneacetic acid, useful as an intermediate for the preparation of fexofenadine, is provided.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: August 7, 2012
    Assignee: Dipharma Francis s.r.l.
    Inventors: Tiziano Scubla, Pietro Allegrini, Eliana Rocchini, Caterina Napoletano
  • Publication number: 20120165525
    Abstract: The present invention relates to processes for the preparation of 8-(3R)-3-aminopiperidinyl)-7-butyn-2-yl-3 -methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydropurine-2,6-dione and novel intermediates useful in its synthesis.
    Type: Application
    Filed: December 14, 2011
    Publication date: June 28, 2012
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Pietro ALLEGRINI, Emanuele ATTOLINO, Marco ARTICO
  • Patent number: 8198455
    Abstract: Process for the preparation of (R)-2-[[[3-methyl-4(2,2,2-trifluoroethoxy)-2-piridyl]methyl]sulfinyl]benzimidazole (Dexlansoprazole) and new intermediates useful in its preparation.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: June 12, 2012
    Assignee: Dipharma Francis S.r.l.
    Inventors: Emanuele Attolino, Vittorio Lucchini
  • Patent number: 8198459
    Abstract: The invention provides a novel process for the regioselective preparation of a compound of formula (I)
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: June 12, 2012
    Assignee: Dipharma Francis S.r.l.
    Inventors: Emanuele Attolino, Lino Colombo, Ilaria Mormino, Pietro Allegrini
  • Publication number: 20120142939
    Abstract: The present invention relates to a process for the preparation of intermediates useful in the synthesis of [1[S(R)],2?,4?]-4-cyclohexyl-1-[[[2-methyl-1-oxypropoxy)propoxy](4-phenylbutyl phosphinyl]acetyl]L-proline, and the synthesis thereof, in particular as sodium salt (fosinopril sodium).
    Type: Application
    Filed: November 1, 2011
    Publication date: June 7, 2012
    Applicant: DIPHARMA FRANCIS S.r.l.
    Inventors: Pietro ALLEGRINI, Emanuele ATTOLINO, Alessandro DE MARCO, Fausto GORASSINI, Mario MICHIELETTI
  • Patent number: 8193386
    Abstract: Novel crystalline hydrate form of (S)-1-phenylethylammonium (R)-diphenyl-methanesulphinyl-acetate and its use in a process for the preparation of (R)-benzhydrylsulphinylacetamide.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: June 5, 2012
    Assignee: Dipharma Francis S.R.L.
    Inventors: Giuseppe Barreca, Pietro Allegrini, Gabriele Razzetti
  • Patent number: 8143409
    Abstract: Rabeprazole sodium in the monohydrate crystalline form, pharmaceutical compositions thereof, the use thereof in therapy, a process for its preparation, and the use thereof for the purification of rabeprazole sodium.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: March 27, 2012
    Assignee: Dipharma Francis S.R.L.
    Inventors: Giuseppe Barreca, Alessandro Restelli, Pietro Allegrini
  • Patent number: 8097724
    Abstract: A process for the preparation of a compound of formula (I) such as 2(R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]-7(8H)-pyrazinyl]-1-(2,4,5-trifluorophenyl)-2-butanamine, or a salt thereof, in the anhydrous or hydrated form, either as a mixture of enantiomers, or as a single (R) or (S) enantiomer, comprising the conversion of a compound of formula (II), or a salt thereof, either as a single (R) or (S) enantiomer or as a mixture thereof wherein X is hydrogen, hydroxy, C1-C8 alkyl, C1-C4 alkoxy, aryl, amino, N3 or halogen; into a compound of formula (I), and if desired, the separation of a single enantiomer of formula (I) from the racemic mixture, and/or, if desired, the conversion of a compound of formula (I) into a salt thereof, or vice versa.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: January 17, 2012
    Assignee: Dipharma Francis S.r.l.
    Inventors: Pietro Allegrini, Emanuele Attolino, Gianmaria Dell'Anna, Mario Michieletti