Patents by Inventor Antonio Giachetti
Antonio Giachetti 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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Patent number: 6521760Abstract: A process for the preparation of polymorph A of zofenopril calcium salt in substantially pure form, which comprises: a) reaction of S(−)-3-benzoylthio-2-methylpropanoic acid chloride with cis-4-phenylthio-L-proline in water at pH ranging from 9.0 to 9.5 and recovery of zofenopril in the acidic form; b) salification of acid zofenopril with a potassium salt in alcoholic solution, and recovery of the resulting potassium salt; c) conversion of the potassium salt to the calcium salt by addition of a zofenopril potassium salt aqueous solution to a CaCl2 aqueous solution at a temperature of 70-90° C. with simultaneous seeding to promote the precipitation of polymorph A.Type: GrantFiled: June 4, 2001Date of Patent: February 18, 2003Assignee: Menarini Richerche S.p.A.Inventors: Raffaello Giorgi, Antonio Giachetti, Carlo Mannucci, Anita Falezza
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Patent number: 6515012Abstract: A process for the preparation of polymorph A of zofenopril calcium salt in substantially pure form, which comprises: 1) reaction of S(−)-3-benzoylthio-2-methylpropanoic acid chloride with cis-4-phenylthio-L-proline in water at pH ranging from 9.0 to 9.5 and recovery of zofenopril in the acidic form; b) salification of acid zofenopril with a poyassium salt in alcoholic solution, and recovery of the resulting potassium salt; c) conversion of the potassium salt to the calcium salt by addition of zofenopril potassium salt aqueous solution to a CaCl2 aqueous solution at a temperature of 70-90° C. with simultaneous seeding to promote the precipitation of polymorph A.Type: GrantFiled: May 28, 2002Date of Patent: February 4, 2003Assignee: Menarini Ricerche S.p.A.Inventors: Raffaello Giorgi, Antonio Giachetti, Carlo Mannucci, Anita Falezza
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Publication number: 20020156293Abstract: A process for the preparation of polymorph A of zofenopril calcium salt in substantially pure form, which comprises: 1) reaction of S(-)-3-benzoylthio-2-methylpropanoic acid chloride with cis-4-phenylthio-L-proline in water at pH ranging from 9.0 to 9.5 and recovery of zofenopril in the acidic form; b) salification of acid zofenopril with a potassium salt in alcoholic solution, and recovery of the resulting potassium salt; c) conversion of the potassium salt to the calcium salt by addition of zofenopril potassium salt aqueous solution to a CaCl2 aqueous solution at a temperature of 70-90° C. with simultaneous seeding to promote the precipitation of polymorph A.Type: ApplicationFiled: May 28, 2002Publication date: October 24, 2002Applicant: MENARI RICERCHE S.P.A.Inventors: Raffaello Giorgi, Antonio Giachetti, Carlo Mannucci, Anita Falezza, Rosaria Pirari, Alberta Giorgi
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Patent number: 5552408Abstract: A method for treating a human host suffering from psychosis, which method comprises administering to such host a therapeutically effective amount of a compound of the formula I ##STR1## wherein the radicals are defined in claim 1.Type: GrantFiled: May 1, 1994Date of Patent: September 3, 1996Assignee: Boehringer Ingelheim Italia S.p.A.Inventors: Marco Turconi, Arturo Donetti, Ernesto Montagna, Massimo Nicola, Annamaria Uberti, Rosamaria Micheletti, Antonio Giachetti
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Patent number: 5358954Abstract: Pharmacologically active benzimidazoline-2-oxo-1-carboxylic acid compounds which are useful for treating a human host suffering from anxiety.Type: GrantFiled: March 16, 1993Date of Patent: October 25, 1994Assignee: Boehringer Ingelheim ItaliaInventors: Marco Turconi, Arturo Donetti, Ernesto Montagna, Massimo Nicola, Annamaria Uberti, Rosamaria Micheletti, Antonio Giachetti
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Patent number: 5223511Abstract: New pharmacologically active benzimidazoline-2-oxo-1-carboxylic acid derivatives which are 5-HT receptor antagonists useful as antiemetic agents and as gastric prokinetic agents of the following formula: ##STR1##wherein R is hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl; R.sub.1 is hydrogen; R.sub.2 is hydrogen, halogen or C.sub.1-6 alkoxy; Y is oxygen or N--R.sub.3 in which R.sub.3 is hydrogen; A is a group selected from: ##STR2##wherein p is 1; r is 0, 2 or 3: R.sub.4 is hydrogen; R.sub.5 is hydrogen, C.sub.1-6 alkyl, or R.sub.5 is a group of the formula --CR.sub.6 =N--R.sub.7 wherein R.sub.6 is hydrogen, C.sub.1-4 alkyl or amino and R.sub.7 is hydrogen or C.sub.1-6 alkyl; or a pharmaceutically acceptable acid addition salt thereof.The processes for the preparation of the compounds of formula (I) as well as pharmaceutical compositions contained in them are also described.Type: GrantFiled: March 4, 1992Date of Patent: June 29, 1993Assignee: Boehringer Ingelheim Italia S.p.A.Inventors: Marco Turconi, Arturo Donetti, Ernesto Montagna, Massimo Nicola, Annamaria Uberti, Rosamaria Micheletti, Antonio Giachetti
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Patent number: 4724236Abstract: Compounds of general formula I are described, ##STR1## wherein X represents the group .dbd.CHR, .dbd.NR or an oxygen atom andA represents the groups --NR.sup.1 R.sup.2,wherein R.sup.1 and R.sup.2 represent alkyl, cycloalkyl or phenylalkyl groups, n represents the number 0, 1 or 2, R.sup.3 represents a hydrogen atom, a hydroxy or alkyl group or a group --(CH.sub.2).sub.n --N--R.sup.5 R.sup.6 (R.sup.5 and R.sup.6 being lower alkyl groups) and R.sup.4 is an alkyl or phenylalkyl group; two processes for preparing these compounds and the salts thereof are also described.The compounds have favourable effects on heart rate and can be used as vagal pacemakers for treating bradycardia and bradyarrhythmia in human and veterinary medicine. Some of these compounds also have very good antithrombotic effects.Type: GrantFiled: December 19, 1986Date of Patent: February 9, 1988Assignee: Karl Thomae GmbHInventors: Wolfgang Eberlein, Gunter Trummlitz, Wolfhard Engel, Gerhard Mihm, Rudolf Hammer, Norbert Mayer, Antonio Giachetti, Adriaan de Jonge
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Patent number: 4699915Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or methyl;R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, hydroxy(alkyl of 1 to 6 carbon atoms), mono- or di-(alkoxy of 1 to 6 carbon atoms)(alkyl of 1 to 6 carbon atoms), (alkyl of 1 to 6 cabon atoms)thio(alkyl of 1 to 6 carbon atoms), cyano(alkyl of 1 to 6 carbon atoms), alkenyl, alkynyl, or cycloalkyl;R.sub.2 is hydrogen, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms or halogen; andX is pyrazol-3-yl, 1,2,4-triazol-3-yl, pyridin-2-yl, pyridin-3-yl, thiazol-4-yl, 2-methyl-thiazol-4-yl or 2-methylamino-thiazol-4-yl;tautomers thereof, and non-toxic, pharmacologiically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antiulcerogenics and gastric acid secretion inhibitors.Type: GrantFiled: July 2, 1985Date of Patent: October 13, 1987Assignee: Istituto de Angeli S.p.A.Inventors: Enzo Cereda, Giuseppe Bietti, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Ferdinando Pagani
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Patent number: 4668674Abstract: There are described (+)-6-chloro-5,10-dihydro-5-[(1-methyl-4-piperidinyl)-acetyl]-11H-dibenzo [b,e][1,4]diazepin-11-one, the isolation thereof from a mixture of enantiomers and its use as a pharmaceutical material.The compound is characterized by a powerful activity against ulcers of the gastro-intestinal tract.Type: GrantFiled: August 19, 1986Date of Patent: May 26, 1987Assignee: Dr. Karl Thomae GmbHInventors: G/u/ nter Trummlitz, Wolfhard Engel, Wolfgang Eberlein, Gerhard Mihm, Antonio Giachetti
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Patent number: 4666932Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or methyl;R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, dimethyldioxolylmethyl, hydroxymethyldioxolylmethyl, hydroxy(alkyl of 1 to 6 carbon atoms), mono- or di-(alkoxy of 1 to 6 carbon atoms)(alkyl of 1 to 6 carbon atoms), (alkyl of 1 to 6 carbon atoms)thio- (alkyl of 1 to 6 carbon atoms), (alkoxy of 1 to 6 carbon atoms)(alkyl of 1 to 6 carbon atoms)thio-(alkyl of 1 to 6 carbon atoms), cyano(alkyl of 1 to 6 carbon atoms), di-lower alkyl-amino(alkyl of 1 to 6 carbon atoms), alkenyl, alkynyl, or cycloalkyl;R.sub.2 and R.sub.3 are each independently hydrogen, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms or halogen; andZ is imidazol-2-yl or imidazol-4-yl;provided however that, when R.sub.1 is straight or branched alkyl, alkenyl, alkynyl, cycloalkyl or cyano and R, R.sub.2 and R.sub.3 are hydrogen, Z is other than imidazol-4-yl; tautomers thereof and non-toxic, pharmacologically acceptable acid addition salts thereof.Type: GrantFiled: July 2, 1985Date of Patent: May 19, 1987Assignee: Istituto de Angeli S.p.A.Inventors: Enzo Cereda, Giuseppe Bietti, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Ferdinando Pagani
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Patent number: 4649150Abstract: Compounds of the formula ##STR1## wherein R represents substituents of various types;R.sub.1 and R.sub.2 are each independently hydrogen or lower alkyl;R.sub.3 represents substituents of various types; andR.sub.4 is hydrogen, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms, halogen, cyano or carbamoyl;tautomers thereof; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antiulcerogenics.Type: GrantFiled: May 16, 1984Date of Patent: March 10, 1987Assignee: Istituto de Angeli, S.p.A.Inventors: Giuseppe Bietti, Enzo Cereda, Arturo Donetti, Antonio Giachetti, Ferdinando Pagani
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Patent number: 4645841Abstract: Compounds of the tautomeric formula ##STR1## wherein R, R.sub.1 and R.sub.2, which may be identical to or different from each other, are each hydrogen or alkyl of 1 to 4 carbon atoms;R.sub.3 is straight or branched alkyl, optionally interrupted by heteroatoms such as oxygen, sulfur or nitrogen; straight or branched alkenyl; alkynyl; cyano; cycloalkyl or cycloaliphatic alkyl; a bicyclic group; aryl; or a heterocyclic group; orR.sub.2 and R.sub.3, together with each other and the nitrogen atoms to which they are attached, form a heterocyclic group;R.sub.4 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; andHet is a substituted or unsubstituted heterocycle containing two or three heteroatoms; tautomers thereof, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as anti-ulcerogenics.Type: GrantFiled: June 24, 1985Date of Patent: February 24, 1987Assignee: Istituto de Angeli, S.p.A.Inventors: Giuseppe Bietti, Enzo Cereda, Arturo Donetti, Piero Del Soldato, Antonio Giachetti, Rosamaria Micheletti
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Patent number: 4643993Abstract: Compounds of the formula ##STR1## wherein Het is a heterocycle containing 2 to 3 nitrogen atoms;R is hydrogen, lower alkyl, alkoxy of 1 to 3 carbon atoms or halogen;Y is --SO.sub.3 H or ##STR2## R" is alkyl of 1 to 3 carbon atoms; and R' is straight or branched alkyl which may contain a heteroatom such as sulfur, oxygen or nitrogen; straight or branched alkenyl; cycloalkyl; alkyl-cycloalkyl; aryl; or aralkyl optionally substituted by lower alkyl, alkoxy of 1 to 3 carbon atoms or halogen; tautomers thereof, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as anti-ulcerogenics and gastric acid secretion inhibitors.Type: GrantFiled: May 18, 1983Date of Patent: February 17, 1987Assignee: Istituto de Angeli S.p.A.Inventors: Enzo Cereda, Arturo Donetti, Antonio Giachetti, Piero del Soldato
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Substituted 5,11-dihydro-6H-dibenz[b,e]azepin-6-ones and pharmaceutical compositions containing same
Patent number: 4567178Abstract: The invention relates to novel substituted 5,11-dihydro-6H-dibenz[b,e]azepin-6-one of the formula ##STR1## wherein A represents a (1-methyl-4-piperidinyl)-acetyl, (4-methyl-1-piperazinyl)-acetyl, or [(1-methyl-4-piperidinyl)-amino]-carbonyl group,and the acid addition salts thereof, which have valuable pharmacological properties, particularly an ulcer-inhibiting and secretion-inhibiting activity. The compounds of Formula I may be prepared using methods conventionally used for analogous compounds.Type: GrantFiled: January 7, 1985Date of Patent: January 28, 1986Assignee: Dr. Karl Thomae GmbHInventors: Wolfgang Eberlein, Gunter Trummlitz, Wolfhard Engel, Gunther Schmidt, Rudolf Hammer, Antonio Giachetti -
Patent number: 4550107Abstract: Disclosed are novel condensed diazepinones of formula I ##STR1## wherein B is a fused ring selected from ##STR2## X is --CH-- or, when B is ortho-phenylene, X can also be nitrogen; A.sub.1 is C.sub.1 -C.sub.2 alkylene; A.sub.2 is C.sub.1 -C.sub.2 when it is in the 2-position relative to the saturated heterocyclic ring nitrogen or a single bond or methylene when it is in the 3- or 4-position; R.sub.1 is C.sub.1 -C.sub.3 alkyl; R.sub.2 is C.sub.1 -C.sub.7 alkyl, optionally hydroxy-substituted on at least one of its second to seventh carbon, or C.sub.3 -C.sub.7 cycloalkyl, optionally hydroxy substituted, or C.sub.3 -C.sub.7 cycloalkylmethyl; or R.sub.1 and R.sub.2 can, together with the nitrogen therebetween, be a 4- to 7-membered saturated monocyclic, heterocyclic ring which can optionally include an oxygen or N--CH.sub.3 ; R.sub.3 is hydrogen, chlorine, or methyl; R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.5 is hydrogen, chlorine or C.sub.1 -C.sub.Type: GrantFiled: March 14, 1985Date of Patent: October 29, 1985Assignee: Dr. Karl Thomae GmbHInventors: Wolfhard Engel, Gunter Trummlitz, Wolfgang Eberlein, Gerhard Mihm, Gunther Schmidt, Rudolf Hammer, Antonio Giachetti
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Patent number: 4548944Abstract: Compounds of the tautomeric formula ##STR1## wherein R, R.sub.1 and R.sub.2, which may be identical to or different from each other, are each hydrogen or alkyl of 1 to 4 carbon atoms;R.sub.3 is straight or branched alkyl, optionally interrupted by heteroatoms such as oxygen, sulfur or nitrogen; straight or branched alkenyl; alkynyl; cyano; cycloalkyl or cycloaliphatic alkyl; a bicyclic group; aryl; or a heterocyclic group; orR.sub.2 and R.sub.3, together with each other and the nitrogen atoms to which they are attached, form a heterocyclic group;R.sub.4 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; andHet is a substituted or unsubstituted heterocycle containing two or three heteroatoms;tautomers thereof, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as anti-ulcerogenics.Type: GrantFiled: February 10, 1983Date of Patent: October 22, 1985Assignee: Istituto de Angeli S.p.A.Inventors: Giuseppe Bietti, Enzo Cereda, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Rosamaria Micheletti