Patents by Inventor Emanuele Attolino

Emanuele Attolino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • 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
  • Publication number: 20120149772
    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: Application
    Filed: November 14, 2011
    Publication date: June 14, 2012
    Applicant: DIPHARA FRANCIS S.R.L.
    Inventors: Marco ARTICO, Emanuele ATTOLINO, Pietro ALLEGRINI, Gabriele RAZZETTI
  • 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
  • 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
  • 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: 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
  • Publication number: 20110269962
    Abstract: Process for the preparation of ?-ketoester synthetic intermediates useful in the preparation of statins, in particular Pitavastatin.
    Type: Application
    Filed: April 22, 2011
    Publication date: November 3, 2011
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Maurizio TADDEI, Evita BALDUCCI, Emanuele ATTOLINO, Simone MANTEGAZZA, Gianmaria DELL'ANNA
  • Patent number: 7989618
    Abstract: Linezolid salts, useful as such and as intermediates in a process for the preparation of novel and known crystalline linezolid forms, in particular known as Form III.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: August 2, 2011
    Assignee: DiPharma Francis s.r.l.
    Inventors: Chiara Vladiskovic, Emanuele Attolino, Pietro Allegrini, Gabriele Razzetti
  • Publication number: 20110152367
    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: Application
    Filed: December 20, 2010
    Publication date: June 23, 2011
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Marco ARTICO, Emanuele ATTOLINO, Pietro ALLEGRI
  • Publication number: 20110124917
    Abstract: The present invention relates to a process for the preparation of (R)-(1-Naphthalen-1-yl-ethyl)-[3-(3-trifluoromethyl-phenyl)-propyl]-amine or a salt thereof, in particular the hydrochloride, and intermediates useful in its synthesis.
    Type: Application
    Filed: November 24, 2010
    Publication date: May 26, 2011
    Applicant: DIPHARMA FRANCIS s.r.l.
    Inventors: Pietro ALLEGRINI, Emanuele Attolino, Davide Rossi
  • Publication number: 20110105783
    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 thei synthesis.
    Type: Application
    Filed: October 28, 2010
    Publication date: May 5, 2011
    Applicant: DIPHARMA FRANCIS S.r.I.
    Inventors: Simone Mantegazza, Pietro Allegrini, Emanuele Attolino
  • Publication number: 20100331541
    Abstract: A process for the preparation of 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 and intermediates useful for the synthesis thereof.
    Type: Application
    Filed: March 19, 2010
    Publication date: December 30, 2010
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Pietro ALLEGRINI, Emanuele ATTOLINO, Gianmaria DELL'ANNA, Mario MICHIELETTI
  • Publication number: 20100297711
    Abstract: 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.
    Type: Application
    Filed: May 24, 2010
    Publication date: November 25, 2010
    Applicant: DIPHARMA FRANCIS S.r.l.
    Inventors: Gabriele RAZZETTI, Sergio Riva, Pietro Allegrini, Mario Michieletti, Emanuele Attolino
  • Publication number: 20100267954
    Abstract: Process for the purification of paliperidone by formation of a salt thereof, such as the hydrochloride.
    Type: Application
    Filed: April 19, 2010
    Publication date: October 21, 2010
    Applicant: DIPHARMA FRANCIS S.r.l.
    Inventors: Simone Mantegazza, Emanuele Attolino, Gabriele Razzetti, Pietro Allegrini
  • Publication number: 20100234616
    Abstract: The invention provides a novel process for the regioselective preparation of a compound of formula (I)
    Type: Application
    Filed: March 12, 2010
    Publication date: September 16, 2010
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Emanuele ATTOLINO, Lino COLOMBO, Ilaria MORMINO, Pietro ALLEGRINI
  • Publication number: 20100228034
    Abstract: Process for the preparation of 4-[1-oxo-4-[4-(hydroxyphenylmethyl)-1-piperidinyl]butyl]-?,?-dimethylbenzenacetic acid, which is an intermediate useful in the preparation of fexofenadine, by hydrating asymmetric alkynes.
    Type: Application
    Filed: January 25, 2010
    Publication date: September 9, 2010
    Applicant: DIPHARMA FRANCIS S.r.I.
    Inventors: Emanuele ATTOLINO, Lino Colombo, Ada Maria Zurlo, Marco Artico, Pietro Allegrini
  • Publication number: 20100125143
    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: Application
    Filed: November 17, 2009
    Publication date: May 20, 2010
    Applicant: DIPHARMA FRANCIS S.r.I.
    Inventors: Emanuele ATTOLINO, Vittorio Lucchini
  • Publication number: 20100029987
    Abstract: A process for the preparation of (R)—N-propargyl-1-aminoindane, or a salt thereof, comprising reacting 1-indanone with propargylamine, in presence of a mixture of sodium borohydride and acetic acid, to obtain N-propargyl-1-aminoindane; and its conversion into (R)—N-propargyl-1-aminoindane or a salt thereof.
    Type: Application
    Filed: June 24, 2009
    Publication date: February 4, 2010
    Applicant: DIPHARMA FRANCIS S.r.I.
    Inventors: Pietro ALLEGRINI, Bruno Gaetano Romano', Emanuele Attolino, Marco Artico, Davide Rossi
  • Publication number: 20090203915
    Abstract: A process for the preparation of (1S,3?R)-quiniclidin-3?-yl-1-phenyl-3,4-dihydro-1H-isoquinolin-2-carboxylate, namely solifenacin, comprising the reaction of a compound of formula (IV) with a compound of formula (V), as herein defined, and the subsequent reaction with 3-quinuclidinol.
    Type: Application
    Filed: January 30, 2009
    Publication date: August 13, 2009
    Applicant: Dipharma Francis S.r.l.
    Inventors: Pietro Allegrini, Lino Colombo, Marco Brusasca, Chiara Vladiskovic, Gabriele Razzetti, Emanuele Attolino