Abstract: A sterile pharmaceutical composition having as its active principles piperacillin sodium and tazobactam sodium of substantially the same density, mixed with sodium bicarbonate. The mixture is soluble in water to give injectable reconstituted solutions having high stability with time.
Type:
Grant
Filed:
December 6, 2007
Date of Patent:
July 1, 2014
Assignee:
ACS Dobfar S.p.A.
Inventors:
Angelo Giovanni Cattaneo, Leonardo Marsili
Abstract: Preparation of new heterocyclic compounds characterized by 1,3-imidazolidine structure useful for stereoselective synthesis of optically pure key intermediates in 1?-methylcarbapenem production.
Type:
Grant
Filed:
October 1, 2009
Date of Patent:
February 26, 2013
Assignee:
ACS DOBFAR S.p.A.
Inventors:
Mauro Freccero, Giovanni Fogliato, Antonio Manca, Michele Bassanini
Abstract: The invention relates to a method for preparing 7-methoxy-3-desacetylcefalotin by a hydrolysis process which takes place in water and is catalyzed by an enzyme obtained from Bacillus pumulis possessing acetyl hydrolasic activity.
Type:
Grant
Filed:
August 15, 2008
Date of Patent:
November 29, 2011
Assignee:
ACS Dobfar S.p.A.
Inventors:
Auro Roberto Tagliani, Gabriele Guastalegname, Giovanni Fogliato, Riccardo Monguzzi
Abstract: Mixtures of at least two active principles, of which at least one is the sodium salt, are precipitated from an organic solution containing the same active principles in salified or non-salified acid form.
Type:
Grant
Filed:
July 27, 2006
Date of Patent:
June 21, 2011
Assignee:
ACS Dobfar S.p.A.
Inventors:
Maurizio Zenoni, Angelo Giovanni Cattaneo, Leonardo Marsili
Abstract: Preparation of new heterocyclic compounds characterised by 1,3-imidazolidine structure useful for stereoselective synthesis of optically pure key intermediates in 1?-methylcarbapenem production
Type:
Application
Filed:
October 1, 2009
Publication date:
January 20, 2011
Applicant:
ACS DOBFAR S.p.A.
Inventors:
Mauro Freccero, Giovanni Fogliato, Antonio Manca, Michele Bassanini
Abstract: Method for purifying 7?-methoxy-cephalosporins containing as impurity the corresponding 7?-methylthio analogue, which is transformed into its methoxy analogue by treatment with a halogenating agent in methanol. In this way the complete conversion of the sulphurated impurity into the corresponding methoxy analogue is obtained.
Type:
Grant
Filed:
August 17, 2006
Date of Patent:
June 1, 2010
Assignee:
ACS DOBFAR S.p.A.
Inventors:
Giovanni Fogliato, Marco Forzatti, Maurizio Zenoni
Abstract: Convenient method for obtaining carbapenem by hydrogenation with Raney Nickel, as an alternative to the known catalytic hydrogenation conducted under hydrogen overpressure in the presence of Palladium, starting from corresponding protected intermediates such as p-nitrobenzylesters and with optional suitable protections of any primary and secondary amino functions structurally present.
Type:
Application
Filed:
June 25, 2009
Publication date:
January 7, 2010
Applicant:
ACS DOBFAR S.p.A.
Inventors:
Antonio MANCA, Riccardo Ambrogio Monguzzi
Abstract: Cefalotin is methoxylated in position 7?, desacetylated and then carbamoylated in position 3, to provide acid cefoxitin without any isolation of intermediate products. The acid cefoxitin is then transformed into the sodium salt by means of ion exchange resin.
Type:
Grant
Filed:
June 21, 2006
Date of Patent:
October 20, 2009
Assignee:
ACS DOBFAR S.p.A.
Inventors:
Antonio Manca, Riccardo Monguzzi, Maurizio Zenoni, Leonardo Marsili
Abstract: The invention relates to a method for obtaining cefotetan acid substantially free of tautomer, by treating crude cefotetan with Al3+ ions which cause the tautomer to precipitate. The precipitate is eliminated by filtration to provide a solution from which practically tautomer-free cefotetan is obtained.
Type:
Grant
Filed:
May 12, 2006
Date of Patent:
July 14, 2009
Assignee:
ACS Dobfar S.p.A.
Inventors:
Maurizio Zenoni, Antonio Manca, Riccardo Monguzzi
Abstract: Process for producing 7-methoxy-3-desacetylcefalotin by a hydrolysis process which takes place in water and is catalyzed by an enzyme. Cefoxitin can be obtained from this compound by known methods.
Abstract: Process for producing Cefepime, Cefpirome and Cefquinome, whereby a cephalosporin containing a quaternary ammonium group is reacted with thiourea to provide the aforesaid cephalosporins.
Type:
Grant
Filed:
September 9, 2005
Date of Patent:
January 20, 2009
Assignee:
ACS Dobfar S.p.A.
Inventors:
Antonio Manca, Riccardo Monguzzi, Maurizio Zenoni, Leonardo Marsili
Abstract: A sterile pharmaceutical composition having as its active principles piperacillin sodium and tazobactam sodium of substantially the same density, mixed with sodium bicarbonate. The mixture is soluble in water to give injectable reconstituted solutions having high stability with time.
Type:
Application
Filed:
December 6, 2007
Publication date:
September 25, 2008
Applicant:
ACS DOBFAR S.p.A.
Inventors:
Angelo Giovanni CATTANEO, Leonardo Marsili
Abstract: A bag for preserving and transporting a sterile product in powder form and a method for preparing solutions of the sterile product in the bag. The bag contains a sterile product in powder form and has a port closed by a membrane through which a solvent can be fed into the bag to form a sterile solution of the powder. Further, the bag contains an amount of the sterile product in powder form adapted to give with the solvent and within the bag a reconstituted ready to use solution that only partially fills a capacity of the bag.
Abstract: Method for purifying 7?-methoxy-cephalosporins containing as impurity the corresponding 7?-methylthio analogue, which is transformed into its methoxy analogue by treatment with a halogenating agent in methanol. In this way the complete conversion of the sulphurated impurity into the corresponding methoxy analogue is obtained.
Type:
Application
Filed:
August 17, 2006
Publication date:
April 26, 2007
Applicant:
ACS DOBFAR S.p.A.
Inventors:
Giovanni FOGLIATO, Marco Forzatti, Maurizio Zenoni
Abstract: Mixtures of at least two active principles, of which at least one is the sodium salt, are precipitated from an organic solution containing the same active principles in salified or non-salified acid form.
Abstract: Cefalotin is methoxylated in position 7?, desacetylated and then carbamoylated in position 3, to provide acid cefoxitin without any isolation of intermediate products. The acid cefoxitin is then transformed into the sodium salt by means of ion exchange resin.
Type:
Application
Filed:
June 21, 2006
Publication date:
February 1, 2007
Applicant:
ACS DOBFAR S.p.A.
Inventors:
Antonio MANCA, Riccardo MONGUZZI, Maurizio ZENONI, Leonardo MARSILI
Abstract: The invention relates to a method for obtaining cefotetan acid substantially free of tautomer, by initial isolation of the crude product with a limited tautomer content, followed by purification through a chromatographic column. The invention also concerns the acid cefotetan totally solvent-free thereby obtained.
Abstract: The invention relates to a method for obtaining cefotetan acid substantially free of tautomer, by treating crude cefotetan with Al3+ ions which cause the tautomer to precipitate. The precipitate is eliminated by filtration to provide a solution from which practically tautomer-free cefotetan is obtained.
Type:
Application
Filed:
May 12, 2006
Publication date:
December 14, 2006
Applicant:
ACS DOBFAR S.p.A.
Inventors:
Maurizio ZENONI, Antonio MANCA, Riccardo MONGUZZI