Patents by Inventor Silvano Ronzoni
Silvano Ronzoni 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).
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Publication number: 20230092495Abstract: A crystalline form of tezacaftor, an industrially viable and advantageous process for its preparation and a method for the preparation of amorphous form of tezacaftor are described.Type: ApplicationFiled: March 5, 2021Publication date: March 23, 2023Inventors: Giuseppe BARRECA, Luca CARCONE, Marianna COPPOLA, Cristina PESENTI, Massimo ZAMPIERI, Davide BORDONE, Silvano RONZONI, Piero PARAVIDINO
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Patent number: 11053227Abstract: Subject-matter of the present invention is a process for preparing intermediates for the synthesis of optically active beta-amino alcohols by enzymatic reduction of the corresponding beta-amino ketones. Subject-matter of the invention are also said novel synthesis intermediates and the use thereof in the preparation of active pharmaceutical ingredients, among which vilanterol and the salts thereof.Type: GrantFiled: December 19, 2018Date of Patent: July 6, 2021Assignee: OLON S.P.A.Inventors: Corrado Colli, Giorgio Bertolini, Mara Sada, Faris Garis, Filippo Nisic, Aldo Bianchi, Cinzia Biaggi, Romano Di Fabio, Silvano Ronzoni, Stefania Bertuolo, Adolfo Prandi, Stefano Maiorana
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Patent number: 11028082Abstract: The present invention relates to a process for the preparation of a novel and versatile synthesis intermediate and its use in the preparation of umeclidinium. The invention also relates to some reference standards allowing to detect impurity traces recurring in the preparation of umeclidinium and a process for their preparation.Type: GrantFiled: May 28, 2018Date of Patent: June 8, 2021Assignee: OLON S.P.A.Inventors: Giorgio Bertolini, Corrado Colli, Filippo Nisic, Mara Sada, Stefania Bertuolo, Silvano Ronzoni, Stefano Maiorana, Romano Di Fabio
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Publication number: 20210061757Abstract: Subject-matter of the present invention is a process for the preparation of optically active phenyl-beta-amino alcohols by means of a specific reduction of the corresponding phenyl-beta-amino ketones. Further subject-matter of the invention are said novel synthesis intermediates and their use for the preparation of active pharmaceutical ingredients.Type: ApplicationFiled: April 11, 2019Publication date: March 4, 2021Inventors: Filippo NISIC, Faris GARIS, Corrado COLLI, Giorgio BERTOLINI, Mara SADA, Stefania BERTUOLO, Silvano RONZONI, Romano DI FABIO, Stefano MAIORANA
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Publication number: 20200385366Abstract: Subject-matter of the present invention is a process for preparing intermediates for the synthesis of optically active beta-amino alcohols by enzymatic reduction of the corresponding beta-amino ketones. Subject-matter of the invention are also said novel synthesis intermediates and the use thereof in the preparation of active pharmaceutical ingredients, among which vilanterol and the salts thereof.Type: ApplicationFiled: December 19, 2018Publication date: December 10, 2020Inventors: Corrado COLLI, Giorgio BERTOLINI, Mara SADA, Faris GARIS, Filippo NISIC, Aldo BIANCHI, Cinzia BIAGGI, Romano DI FABIO, Silvano RONZONI, Stefania BERTUOLO, Adolfo PRANDI, Stefano MAIORANA
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Publication number: 20200102300Abstract: The present invention relates to a process for the preparation of a novel and versatile synthesis intermediate and its use in the preparation of umeclidinium. The invention also relates to some reference standards allowing to detect impurity traces recurring in the preparation of umeclidinium and a process for their preparation.Type: ApplicationFiled: May 28, 2018Publication date: April 2, 2020Inventors: Giorgio BERTOLINI, Corrado COLLI, Filippo NISIC, Mara SADA, Stefania BERTUOLO, Silvano RONZONI, Stefano MAIORANA, Romano DI FABIO
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Patent number: 8334286Abstract: The invention refers to compounds of general formula (I) wherein the R groups are, independently, H, C1-6alkyl, aryl, CF3; Y is CH2, C?O; X is bond, C?O, SO2, or C?N—CN; m is 0, 1; n is 0, 1; A is a heterocycle, or a phenyl group optionally substituted as defined in the specification. The compounds are active on chronic pain conditions of different origin; they can be administered alone or with other drugs. Most of these compounds are new. The invention include a process to prepare said compounds, and pharmaceutical compositions suitable for their administration to a patient.Type: GrantFiled: February 17, 2009Date of Patent: December 18, 2012Assignee: Neurotune AGInventors: Carla Ghelardini, Marisa Martinelli, Carlo Parini, Silvano Ronzoni
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Publication number: 20110015200Abstract: The invention refers to compounds of general formula (I) wherein the R groups are, independently, H, C1-6alkyl, aryl, CF3; Y is CH2, C?O; X is bond, C?O, SO2, or C?N—CN; m is 0, 1; n is 0, 1; A is a heterocycle, or a phenyl group optionally substituted as defined in the specification. The compounds are active on chronic pain conditions of different origin; they can be administered alone or with other drugs. Most of these compounds are new. The invention include a process to prepare said compounds, and pharmaceutical compositions suitable for their administration to a patient.Type: ApplicationFiled: February 17, 2009Publication date: January 20, 2011Inventors: Carla Ghelardini, Marisa Martinelli, Carlo Parini, Silvano Ronzoni
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Publication number: 20090275555Abstract: New ligands for the ORL-1 receptor are described, useful for antagonising the activity of said receptors in a patient in need thereof, and for preventing and treating illnesses dependent on the activation of this receptor. The new compounds conform to structural formula (I) wherein R1, R2, R3, R4 are further defined in the description.Type: ApplicationFiled: December 28, 2005Publication date: November 5, 2009Inventors: Silvano Ronzoni, Stefania Gagliardi
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Publication number: 20070197603Abstract: New ligands for the ORL-1 receptor are described, useful for modulating the activity of said receptors in a patient in need thereof, and for preventing and treating illnesses dependent on the stimulation of this receptor. The new compounds conform to structural formula (I), wherein Q is a moiety of formula: and R, R0, R1, R2, R3, R4, R5, R6 are further defined in the description.Type: ApplicationFiled: July 1, 2004Publication date: August 23, 2007Inventors: Alessandra Consonni, Simone Del Sordo, Carlo Farina, Stefania Gagliardi, Silvano Ronzoni, Stefania Vallese
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Patent number: 7223867Abstract: Diastereoselective and enantioselective synthetic routes for the preparation of compounds of formula (I): or derivatives thereof, wherein: R is C1-6alkyl, C3-7cycloalkyl, C1-6alkoxy, hydroxy, halo, C1-6alkenyl, C1-6alkynyl, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, arylC1-6alkoxy, heteroarylC1-6alkoxy, aminoC1-6alkyl, (C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)aminoC1-6alkyl, arylC1-6alkylamino, heteroarylC1-6alkyamino; R1 is hydrogen or R; R2 is hydroxy, C1-6alkoxy, amino, C1-6alkylamino, di(C1-6alkyl)amino; R3 and R4 are each independently selected from the list consisting of perhaloC1-6alkyl, hydrogen, halo, C1-6alkyl, C1-6alkoxy, hydroxy, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, aminoC1-6alkyl,(C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)aminoC1-6alkyl, aryl, and COX wherein X may be hydroxy, C1-6 alkoxy, C1-6alkyl, amino, C1-6alkylamino, or di(C1-6alkyl)amino; and wherein any alkyl group or the alkyl moiety of any group contType: GrantFiled: November 5, 2002Date of Patent: May 29, 2007Assignee: GlaxoSmithKline S.P.A.Inventors: Giovanni Palombi, Silvano Ronzoni
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Patent number: 7115633Abstract: Compounds of formula (I) or a derivative thereof, wherein; R is C1-6alkyl, C3-7cycloalkyl, C1-6alkoxy, hydroxy, halo, C1-6alkenyl, C1-6alkynyl, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, aminoC1-6alkyl, (C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)aminoC1-6alkyl; R1 is hydrogen or R; R2 is hydroxy, C1-6alkoxy, amino, C1-6alkylamino, di(C1-6alkyl)amino; R3 is hydrogen or C1-6alkyl; R4 and R5 are each independently selected from the list consisting of perhaloC1-6alkyl, hydrogen, halo, C1-6alkyl, C1-6alkoxy, hydroxy, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, aminoC1-6alkyl, (C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)aminoC1-6alkyl, aryl, and COX wherein X may be hydroxy, C1-6alkoxy, C1-6alkyl, amino, C1-6alkylamino, or di(C1-6alkyl)amino; with the proviso that, when R3 is hydrogen, then R4 and R5 are not both hydrogen; and wherein any alkyl group or the alkyl moiety of any group containing such a moiety may be substituted one or more times byType: GrantFiled: May 1, 2001Date of Patent: October 3, 2006Assignee: GlaxoSmithKline S.p.A.Inventors: Daniela Barlocco, Giorgio Cignarella, Giuseppe Giardina, Mario Grugni, Silvano Ronzoni
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Patent number: 6969724Abstract: Compounds of formula I, or a salt thereof or a hydrate thereof, as follows: wherein X and Y are selected independently from hydrogen and aryl, which aryl is unsubstituted or substituted one or more times by hydroxy, hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, aryl, heterocyclyl, amino, C1-6alkylamino, di(C1-6alkyl)amino, arylC1-6alkoxy, C1-6alkyl, C1-6alkoxy or halo, which alkyl or alkoxy groups are unsubstituted or substituted one or more times by halo; m and n are independently 0 to 3, provided that m and n are not both 0; A represents a single bond or is —(CRpa Rpb)p— wherein p is 1-3 and Rpa and Rpb are selected independently from hydrogen, C1-6alkyl, C1-6alkoxy and halo, which alkyl or alkoxy groups are independently substituted one or more times by halo; B represents a C4-8 saturated or unsaturated ring, which ring is unsubstituted or substituted one or more times by C1-6alkyl, C1-6alkoxy, aryl, aryloxy, hydroxy, oxo, halo, amino, C1-6alkylamino, di(C1-6 alkyl)amino, and C1-6alkylamido, which C1-6alkylType: GrantFiled: December 19, 2002Date of Patent: November 29, 2005Assignee: SmithKline Beecham-SpAInventors: Daniela Barlocco, Giorgio Cignarella, Giuseppe Arnaldo Maria Giardina, Mario Grugni, Silvano Ronzoni
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Publication number: 20050059700Abstract: Diastereoselective and enantioselective synthetic routes for the preparation of compounds of formula (I): or derivatives thereof, wherein: R is C1-6alkyl, C3-7cycloalkyl, C1-6alkoxy, hydroxy, halo, C1-6alkenyl, C1-6alkynyl, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, arylC1-6alkoxy, heteroarylC1-6alkoxy, aminoC1-6alkyl, (C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)aminoC1-6alkyl, arylC1-6alkylamino, heteroarylC1-6alkylamino; R1 is hydrogen or R; R2 is hydroxy, C1-6alkoxy, amino, C1-6alkylamino, di(C1-6alkyl)amino; R3 and R4 are each independently selected from the list consisting of perhaloC1-6alkyl, hydrogen, halo, C1-6alkyl, C1-6alkoxy, hydroxy, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, aminoC1-6alkyl, (C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)aminoC1-6alkyl, aryl, and COX wherein X may be hydroxy, C1-6alkoxy, C1-6alkyl, amino, C1-6alkylamino, or di(C1-6alkyl)amino; and wherein any alkyl group or the alkyl moiety of any group conType: ApplicationFiled: November 5, 2002Publication date: March 17, 2005Inventors: Giovanni Palombi, Silvano Ronzoni
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Patent number: 6696457Abstract: Heterocycle condensed morphinoid derivatives of formula (I) have therapeutic utility as analgesics, in collagen disease, as anti-allergic and anti-inflammatory agents, brain cell protectants, in gastritis, diarrhoea, cardiovascular and respiratory diseases, cough, mental illness, epilepsy, for the preservation of organs during transplant operations, and for the treatment of those pathological conditions which customarily can be treated with agonists of the delta opioid receptor.Type: GrantFiled: April 2, 2002Date of Patent: February 24, 2004Assignees: SmithKline Beecham p.l.c., SmithKline Beecham S.p.A.Inventors: Stephen Edward Clarke, Giulio Dondio, Luca Francesco Raveglia, Silvano Ronzoni
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Publication number: 20040029917Abstract: Compounds of formula (I) or a derivative thereof, wherein; R is C1-6allkyl, C3-7cycloalkyl, C1-6alkoxy, hydroxy, halo, C1-6alkenyl, C1-6allkynyl, amino, C1-6alkylamino, di(C1-6alkyl)amino, hydroxyC1-6alkyl, C1-6akoxyC1-6alkyl, aminoC1-6allkyl, (C1-6allkyl)aminoC1-6alkyl, di(C1-6allkyl)aminoC1-6alkyl; R1 is hydrogen or R; R2 is hydroxy, C1-6alkoxy, amino, C1-6alkylamino, di(C1-6alkyl)amino; R3 is hydrogen or C1-6alkyl; R4 and R5 are each independently selected from the list consisting of perhaloC1-6alkyl, hydrogen, halo, C1-6alkyl, C1-6alkoxy, hydroxy, amino, C1-6akylamino, di(C1-4alkyl)amino, hydroxyC1-6alkyl, C1-6akoxyC1-6alkyl, aminoC1-6allkyl, (C1-4alkyl)aminoC1-6alkyl, di(C1-4alkyl)aminoC1-4alkyl, aryl, and COX wherein X may be hydroxy, C1-6alkoxy, C1-6alkyl, amino, C1-6alkylamino, or di(C1-6allkyl)amino; with the proviso that, when R3 is hydrogen, then R R4 and R5 are not both hydrogen; and wherein any alkyl group or the alkyl moiety of any group containing such a moiety may be substituted one or more tiType: ApplicationFiled: July 30, 2003Publication date: February 12, 2004Inventors: Daniela Barlocco, Giorgio Cignarella, Giuseppe Giardina, Mario Grugni, Silvano Ronzoni
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Publication number: 20040024218Abstract: Compounds of formula I, or a salt thereof or a hydrate thereof, as follows: 1Type: ApplicationFiled: December 19, 2002Publication date: February 5, 2004Applicant: SmithKline Beecham SpAInventors: Daniela Barlocco, Giorgio Cignarella, Giuseppe Arnaldo Maria Giardina, Mario Grugni, Silvano Ronzoni
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Patent number: 6365594Abstract: Heterocycle-condensed morphinoid derivatives of formula (I), or solvates or salts thereof, are potent and selective delta opioid agonists and antagonists and are useful as i.a. analgesics. Pharmaceutical compositions containing such compounds, the use of such compounds as therapeutic agents, a method of treatment comprising the administration of such compounds, and a process for the preparation of such compounds are also described.Type: GrantFiled: February 22, 1999Date of Patent: April 2, 2002Assignee: SmithKline Beecham S.p.A.Inventors: Giulio Dondio, Silvano Ronzoni, Pier Andrea Gatti, Davide Graziani
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Patent number: 6262104Abstract: Compounds, or solvates or salts thereof, of formula (I): selective delta opioid agonists and antagonists and may be of therapeutic utility as analgesics, immunosuppressants to prevent rejection in organ transplant and skin graft, anti-allergic and anti-inflammatory agents, brain cell protectants, agents for treating drug and alcohol abuse, gastritis, diarrhoea, cardiovascular and respiratory diseases, cough, mental illness, epilepsy and, in general, agents for the treatment of those pathological conditions which, customarily, can be treated with agonists and antagonists of the delta opioid receptor.Type: GrantFiled: June 5, 1998Date of Patent: July 17, 2001Assignee: SmithKline Beecham p.l.c.Inventors: Giulio Dondio, Silvano Ronzoni
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Patent number: 5981540Abstract: Compounds of formula (I), are selective delta opioid agonsist and antagonists, and are useful as analgesics and in treating general neurologic disorders.Type: GrantFiled: April 24, 1997Date of Patent: November 9, 1999Assignee: SmithKline Beecham Farmaceutici S.P.A.Inventors: Giulio Dondio, Silvano Ronzoni