Patents by Inventor Silvia Mantovani

Silvia Mantovani 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: 20060009490
    Abstract: The present invention provides enantiomerically pure (R)-(?)-tomoxetine (S)-(+)-mandelate and atomoxetine HCl. The present invention further provides enantiomerically pure (R)-(?)-tomoxetine (S)-(+)-mandelate prepared from racemic tomoxetine. The present invention also provides enantiomerically pure atomoxetine HCl prepared from (R)-(?)-tomoxetine (S)-(+)-mandelate.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Eugenio Castelli, Paola Daverio, Silvia Mantovani
  • Publication number: 20060009531
    Abstract: Provided are processes for preparing tomoxetine comprising reacting N-methyl-3-hydroxy-3-phenylpropylamine with dimethylsulfoxide (DMSO) and 2-fluorotoluene in the presence of an alkali base to form tomoxetine. Also provided is the conversion of said tomoxetine into atomoxetine or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Eugenio Castelli, Giuseppe Lo Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Publication number: 20060009489
    Abstract: The present invention provides improved processes for the preparation of atomoxetine hydrochloride under reaction conditions that improve reaction yields and facilitate commercial synthesis. In particular, the invention is directed to the synthesis of atomoxetine HCl by adding HCl to a mixture of (R)-(?)-tomoxetine (S)-(+)-mandelate with an organic solvent, with or without a base and water.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Eugenio Castelli, Giuseppe Lo Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Publication number: 20060009530
    Abstract: The present invention provides a process for the optical resolution of racemic tomoxetine under reaction conditions that improve reaction yields and optical purity. The invention also provides an epimerization process for the (S)-(+) enantiomer. The invention further provides the conversion of the enantiomer obtained from the optical resolution into atomoxetine or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Eugenio Castelli, Giuseppe Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Publication number: 20050272821
    Abstract: The invention is directed to processes for making levalbuterol HCl Polymorph A from by suspending or forming a first slurry of (R)-SLB(D)-DBTA in at least a first organic solvent, adding HCl to the suspension or slurry of the solid (R)-SLB.D-DBTA until the (R)-SLB.D-DBTA forms levalbuterol HCl Polymorph A, and isolating the levalbuterol HCl Polymorph A.
    Type: Application
    Filed: May 20, 2005
    Publication date: December 8, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio, Angelo Spreafico, Judith Aronhime, Adrienne Kovacsne-Mezei
  • Publication number: 20050267216
    Abstract: The invention is directed to levalbuterol HCl Form B and methods of making the same.
    Type: Application
    Filed: May 20, 2005
    Publication date: December 1, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio, Angelo Spreafico, Judith Aronhime, Adrienne Kovacsne-Mezei
  • Publication number: 20050261368
    Abstract: Provided are processes for the preparation of (R)-SLB.D-DBTA salt and levalbuterol hydrochloride. Also provided are levalbuterol hydrochloride degradation products and processes for preparing them. Pharmaceutical compositions comprising at least one levalbuterol hydrochloride of the invention and at least one pharmaceutically-acceptable excipient are also provided.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 24, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio
  • Publication number: 20050119294
    Abstract: The invention relates to a process for the synthesis of 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo[4,5-C]quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C]quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C]quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c]quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c]quinoline 4-carboxamide, and to the said intermediates.
    Type: Application
    Filed: December 9, 2004
    Publication date: June 2, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Publication number: 20050113404
    Abstract: The invention provides 1H-imidazo(4,5-C)quinolin-4-phthalimide intermediates useful in the synthesis of 1H-imidazo(4,5-C)quinoline-4-amines, particularly Imiquimod. The invention further provides a method for making the intermediates and a method for making 1H-imidazo(4,5-C)quinoline-4-amines via the intermediates.
    Type: Application
    Filed: December 23, 2004
    Publication date: May 26, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Publication number: 20050101627
    Abstract: The invention relates to a process for the synthesis of 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo [4,5-C]quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C]quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C]quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c]quinoline 4-carboxamide, and to the said intermediates.
    Type: Application
    Filed: December 9, 2004
    Publication date: May 12, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Patent number: 6852861
    Abstract: The invention provides 1H-imidazo(4,5-C)quinolin-4-phthalimide intermediates useful in the synthesis of 1H-imidazo(4,5-C)quinoline-4-amines, particularly Imiquimod. The invention further provides a method for making the intermediates and a method for making 1H-imidazo(4,5-C)quinoline-4-amines via the intermediates.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: February 8, 2005
    Assignee: Biogal Gyogyszergyar Rt.
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Patent number: 6841678
    Abstract: The invention relates to a process for the synthesis of 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c] quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo[4,5-C] quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C] quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c] quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C] quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-carboxamide, and to the said intermediates.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: January 11, 2005
    Assignee: Biogal Gyogyszergyar Rt.
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Publication number: 20040138459
    Abstract: The invention provides 1H-imidazo(4,5-C)quinolin-4-phthalimide intermediates useful in the synthesis of 1H-imidazo(4,5-C)quinoline-4-amines, particularly Imiquimod. The invention further provides a method for making the intermediates and a method for making 1H-imidazo(4,5-C)quinoline-4-amines via the intermediates.
    Type: Application
    Filed: July 23, 2003
    Publication date: July 15, 2004
    Inventors: Valeriano Merli, Silvia Mantovani, Bianchi Stefano
  • Publication number: 20040063743
    Abstract: The invention relates to a process for the synthesis of 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c] quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo[4,5-C] quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C] quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c] quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C] quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-carboxamide, and to the said intermediates.
    Type: Application
    Filed: July 28, 2003
    Publication date: April 1, 2004
    Inventors: Valeriano Merli, Silvia Mantovani, Bianchi Stefano