Patents Assigned to Bial-Portela & CA, S.A.
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Publication number: 20120077973Abstract: A diamine of formula (I) is described in which A is hydrogen or a saturated or unsaturated C1-C20 alkyl group or an aryl group; B is a substituted or unsubstituted C1-C20 alkyl, cycloalkyl, alkaryl, alkaryl or aryl group or an alkylamino group and at least one of X1, X2, Y1, Y2 or Z is a C1-C10 alkyl, cycloalkyl, alkaryl, aralkyl or alkoxy substituting group. The chiral diamine may be used to prepare catalysts suitable for use in transfer hydrogenation reactions.Type: ApplicationFiled: December 7, 2011Publication date: March 29, 2012Applicant: BIAL - PORTELA & CA, S.A.Inventors: Beatriz Dominguez, Antonio Zanotti-Gerosa, Gabriela Alexandra Grasa, Jonathan Alan Medlock
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Publication number: 20110301204Abstract: The present invention relates to novel dosage regimens for compounds of formula I: where the substituents are as defined in the specification.Type: ApplicationFiled: July 29, 2009Publication date: December 8, 2011Applicant: BIAL - PORTELA & CA., S.A.Inventors: José Luis de Almeida, David Alexander Learmonth, Patricio Manuel Vieira Araújo Soares da Silva
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Publication number: 20110237803Abstract: A process for preparing the S or R enantiomer of a compound of formula A, the process comprising subjecting a compound of formula B to asymmetric hydrogenation in the presence of a chiral catalyst and a source of hydrogen, wherein X is CH2, oxygen or sulphur; R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkyloxy, hydroxy, nitro, alkylcarbonylamino, alkylamino or dialkylamino group; and R4 is alkyl or aryl, wherein the term alkyl means hydrocarbon chains, straight or branched, containing from one to six carbon atoms, optionally substituted by aryl, alkoxy, halogen, alkoxycarbonyl or hydroxycarbonyl groups; the term aryl means a phenyl or naphthyl group, optionally substituted by alkyloxy, halogen or nitro group; and the term halogen means fluorine, chlorine, bromine or iodine.Type: ApplicationFiled: May 6, 2009Publication date: September 29, 2011Applicant: Bial - Portela & CA, S.A.Inventors: Alexander Beliaev, David Alexander Learmonth
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Patent number: 7999100Abstract: A method for chiral inversion of optically pure or optically enriched mixtures of (S)-(+)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide (I) and (R)-(?)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide (II).Type: GrantFiled: July 13, 2005Date of Patent: August 16, 2011Assignee: Bial-Portela CA & S.A.Inventors: David Alexander Learmonth, Günter Weingaertner, Matthias Kraemer
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Publication number: 20110166360Abstract: A process for preparing the S or R enantiomer of a compound of formula A, the process comprising subjecting a compound of formula B to asymmetric hydrogenation in the presence of a chiral transition metal catalyst and a source of hydrogen, wherein: X is CH2, oxygen or sulphur; R1, R2 and R3 are the same or different and signify hydrogen, halogen, alkyl, alkyloxy, hydroxy, nitro, alkylcarbonylamino, alkylamino or dialkylamino group; and R4 is alkyl or aryl, the transition metal catalyst comprising a chiral ligand having the formula wherein each R and R? independently represents alkyl, aryl, aralkyl, alkenyl, alkynyl, alkoxy, aryloxy, alkylthio, arylthio, unsubstituted or substituted cyclic moiety selected from a group consisting of monocyclic or polycyclic saturated or partially saturated carbocyclic or heterocyclic, aromatic or heteroaromatic rings said rings comprising from 4 to 8 atoms and comprising from 0 to 3 heteroatoms, wherein: the term alkyl means hydrocarbon chains, straight or branched, conType: ApplicationFiled: March 13, 2009Publication date: July 7, 2011Applicant: BIAL - PORTELA & CA, S.A.Inventors: Alexander Beliaev, David Alexander Learmonth, Juan José Almena Perea, Gerhard Geib, Patrick Hitzel, Renat Kadyrov, David Voigtlaender
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Publication number: 20110112301Abstract: This invention relates to novel polymorphs of (HO)2NO2(C6H)—(C2N2O)—(C5N)(CH3)2Cl2O, to processes for their preparation, and to pharmaceutical compositions containing said novel polymorphs as active pharmaceutical ingredient.Type: ApplicationFiled: March 16, 2009Publication date: May 12, 2011Applicant: BIAL - PORTELA & CA., S.A.Inventors: David Alexander Learmonth, Keith Lorimer, Kevin Wayne Meyer, Tibor Eszenyi, Álmosné Kovách
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Publication number: 20110112303Abstract: A process for preparing the S or R enantiomer of a compound of formula A, the process comprising subjecting a compound of formula B to asymmetric hydrogenation in the presence of a chiral transition metal catalyst and a source of hydrogen, wherein X is CH2, oxygen, or sulphur; R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkyloxy, hydroxy, nitro, alkylcarbonylamino, alkylamino, or dialkylamino group; and R4 is alkyl or aryl, wherein the transition metal catalyst comprises a chiral ligand having the formula wherein p is from 1 to 6, and Ar means aryl group; wherein the term alkyl means hydrocarbon chains, straight or branched, containing from one to six carbon atoms, optionally substituted by aryl, alkoxy, halogen, alkoxycarbonyl or hydroxycarbonyl groups; the term aryl means an aromatic or heteroaromatic group, optionally substituted by alkyloxy, halogen, or nitro group; and the term halogen means fluorine, chlorine, bromine, or iodine.Type: ApplicationFiled: March 17, 2009Publication date: May 12, 2011Applicant: BIAL - PORTELA & CA, S.A.Inventors: David Alexander Learmonth, Alexander Beliaev, Wenge Li
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Publication number: 20100298580Abstract: Compounds of formula I, V, VI and II, and processes for their preparation, wherein R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkyloxy, hydroxy, nitro, alkylcarbonylamino, alkylamino or dialkylamino group; and R4 is alkyl or aryl. There is also provided a process for preparing a compound of formula B from the compounds of formula V and I.Type: ApplicationFiled: November 13, 2008Publication date: November 25, 2010Applicant: BIAL - PORTELA & CA, S.A.Inventors: Brian Broadbelt, Alexander Beliaev, David Alexander Learmonth
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Patent number: 7834177Abstract: A process for the preparation of 10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide (1) by ring opening of 11a,10b-dihydro-6H-dibenz/b,f/oxireno[d]azepine-6-carboxamide (5), characterised in that the ring opening is carried out under conditions of elevated pressure.Type: GrantFiled: January 13, 2006Date of Patent: November 16, 2010Assignee: Bial - Portela & CA, S.A.Inventors: David Alexander Learmonth, Günter Weingärtner, Matthias Kraemer
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Publication number: 20100286219Abstract: A method comprising utilizing a compound of formula I: where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies hydrogen, alkyl or alkylaryl group; X signifies CH2, oxygen atom or sulphur atom; n is 1, 2 or 3, with the proviso that when n is 1, X is not CH2; and the individual (R)- and (S)-enantiomers or mixtures of enantiomers and pharmaceutically acceptable salts thereof; wherein the term alkyl means hydrocarbon chains, straight or branched, containing from one to six carbon atoms, optionally substituted by aryl, alkoxy, halogen, alkoxycarbonyl or hydroxycarbonyl groups; the term aryl means a phenyl or naphthyl group, optionally substituted by alkyloxy, halogen or nitro group; the term halogen means fluorine, chlorine, bromine or iodine, in the manufacture of a medicament for the treatment of one or more of the following indications: congestive heart failure, anginaType: ApplicationFiled: January 10, 2008Publication date: November 11, 2010Applicant: BIAL - PORTELA & CA S.A.Inventor: Patricio Manuel Vieira Araújo Soares Da Silva
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Publication number: 20100256194Abstract: The present disclosure relates to compositions and pharmaceutical formulations comprising at least one active pharmaceutical ingredient chosen from nitrocatechol derivatives of formula I as defined herein and salts, esters, hydrates, solvates and other derivatives thereof and methods of making the same.Type: ApplicationFiled: March 31, 2010Publication date: October 7, 2010Applicant: BIAL - Portela & Ca, S.A.Inventors: Teófilo Cardoso de Vasconcelos, Ricardo Jorge dos Santos Lima, Pedro Miguel da Costa Barrocas, Ligia Sofia de Castro Pereira, Rui Cerdeira de Campos Costa
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Publication number: 20100256193Abstract: The present disclosure relates to compositions and pharmaceutical formulations comprising at least one active pharmaceutical ingredient chosen from nitrocatechol derivatives of formula I as defined herein and salts, esters, hydrates, solvates and derivatives thereof and methods of making said compositions and pharmaceutical formulations.Type: ApplicationFiled: March 31, 2010Publication date: October 7, 2010Applicant: BIAL - Portela & Ca, S.A.Inventors: Teófilo Cardoso de Vasconcelos, Ricardo Jorge dos Santos Lima, Rui Cerdeira de Campos Costa
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Publication number: 20100217009Abstract: A process for preparing a compound of formula (22), comprising reducing a compound of formula (21), to produce a compound of formula (23), followed by the hydrogenolysis of the compound of formula 23 in a solvent comprising a C1 to C6 alkyl sulfonic acid and optionally a chlorinated solvent.Type: ApplicationFiled: May 21, 2008Publication date: August 26, 2010Applicant: BIAL - PORTELA & CA, S.A.Inventors: David Alexander Learmonth, Alexander Beliaev
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Publication number: 20100137390Abstract: Compounds of formula I and a method for their preparation are described, where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies -alkyl-aryl or alkyl heteroaryl; X signifies CH2, oxygen atom or sulphur atom; n is 2 or 3; including the individual (R)- and (S)-enantiomers or mixtures of enantiomers thereof; and including pharmaceutically acceptable salts and esters thereof. The compounds have potentially valuable pharmaceutical properties for the treatment of cardiovascular disorders such as hypertension and chronic heart failure.Type: ApplicationFiled: May 6, 2008Publication date: June 3, 2010Applicant: BIAL - PORTELA & CA S.A.Inventors: Patricio Manuel Vieira Araüjo Soares Da Silva, David Alexander Learmonth, Alexander Beliaev
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Publication number: 20100121073Abstract: A process for making (R)-5-(2-aminoethyl)-1-(6,8-difluorochroman-3-yl)-1,3-dihydroimidazole-2-thione and pharmaceutically acceptable salts thereof, and for making intermediates useful in the formation of said compound.Type: ApplicationFiled: January 31, 2008Publication date: May 13, 2010Applicant: BIAL - PORTELA & CA S.A.Inventors: Patrício Manuel Vieira Araújo Soares Da Silva, Alexander Beliaev, David Alexander Learmonth
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Publication number: 20100113799Abstract: A process for making (R)-5-(2-aminoethyl)-1-(6,8-difluorochroman-3-yl)-1,3-dihydroimidazole-2-thione and pharmaceutically acceptable salts thereof, and for making intermediates useful in the formation of said compound.Type: ApplicationFiled: January 31, 2008Publication date: May 6, 2010Applicant: BIAL - PORTELA & CA S.A.Inventors: Patricio Manuel Vieira Araújo Soares Da Silva, Alexander Beliaev, David Alexander Learmonth
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Publication number: 20100113550Abstract: Polymorphs of (R)-5-(2-Aminoethyl)-1-(6,8-difluorochroman-3-yl)-1,3-dihydroimidazole-2-thione hydrochloride and methods of their preparation.Type: ApplicationFiled: May 31, 2007Publication date: May 6, 2010Applicant: BIAL - PORTELA AND CA, S.A.Inventors: Alexander Beliaev, David Learmonth, Valeriya Smolenskaya
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Publication number: 20100093817Abstract: This invention relates to new 6,8-difluorochroman-3-yl-1,3-dihydroimidazole-2-thiones, their preparation, and their use as a medicament.Type: ApplicationFiled: January 31, 2008Publication date: April 15, 2010Applicant: BIAL - PORTELA & CA S.A.Inventors: Patrício Manuel Vieira Araújo SOARES DA SILVA, David Alexander LEARMONTH, Alexander BELIAEV
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Publication number: 20100048538Abstract: New applications of eslicarbazepine and eslicarbazepine acetate in the treatment of intractable conditions, selected from epilepsy, central and peripheric nervous system disorders, affective disorders, schizoaffective disorders, bipolar disorders, attention disorders, anxiety disorders, neurophatic pain and neuropathic pain-related disorders, sensorimotor disorders, vestibular disorders, and nervous function alterations in degenerative and post-ischemic diseases. Preferably the intractable condition is, at least in part, caused by an overexpression of P-gp or MRP.Type: ApplicationFiled: January 14, 2008Publication date: February 25, 2010Applicant: BIAL - Portela & Ca S.A.Inventor: Patricio Manuel Vieira Araújo Soares Da Silva
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Patent number: 7667075Abstract: A diamine of formula (I) is described, in which A is hydrogen or a saturated or unsaturated C1-C20 alkyl group or an aryl group; B is a substituted or unsubstituted C1-C20 alkyl, cycloalkyl, alkaryl, alkaryl or aryl group or an alkylamino group and at least one of X1, X2, Y1, Y2 or Z is a C1-C10 alkyl, cycloalkyl, alkaryl, aralkyl or alkoxy substituting group. The chiral diamine may be used to prepare catalysts suitable for use in transfer hydrogenation reactions.Type: GrantFiled: November 1, 2005Date of Patent: February 23, 2010Assignee: Bial - Portela & CA, S.A.Inventors: Beatriz Dominguez, Antonio Zanotti-Gerosa, Gabriela Alexandra Grasa, Jonathan Alan Medlock