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).

  • Patent number: 6521760
    Abstract: 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: Grant
    Filed: June 4, 2001
    Date of Patent: February 18, 2003
    Assignee: Menarini Richerche S.p.A.
    Inventors: Raffaello Giorgi, Antonio Giachetti, Carlo Mannucci, Anita Falezza
  • Patent number: 6515012
    Abstract: 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: Grant
    Filed: May 28, 2002
    Date of Patent: February 4, 2003
    Assignee: Menarini Ricerche S.p.A.
    Inventors: Raffaello Giorgi, Antonio Giachetti, Carlo Mannucci, Anita Falezza
  • Publication number: 20020156293
    Abstract: 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: Application
    Filed: May 28, 2002
    Publication date: October 24, 2002
    Applicant: MENARI RICERCHE S.P.A.
    Inventors: Raffaello Giorgi, Antonio Giachetti, Carlo Mannucci, Anita Falezza, Rosaria Pirari, Alberta Giorgi
  • Patent number: 5552408
    Abstract: 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: Grant
    Filed: May 1, 1994
    Date of Patent: September 3, 1996
    Assignee: Boehringer Ingelheim Italia S.p.A.
    Inventors: Marco Turconi, Arturo Donetti, Ernesto Montagna, Massimo Nicola, Annamaria Uberti, Rosamaria Micheletti, Antonio Giachetti
  • Patent number: 5358954
    Abstract: Pharmacologically active benzimidazoline-2-oxo-1-carboxylic acid compounds which are useful for treating a human host suffering from anxiety.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: October 25, 1994
    Assignee: Boehringer Ingelheim Italia
    Inventors: Marco Turconi, Arturo Donetti, Ernesto Montagna, Massimo Nicola, Annamaria Uberti, Rosamaria Micheletti, Antonio Giachetti
  • Patent number: 5223511
    Abstract: 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: Grant
    Filed: March 4, 1992
    Date of Patent: June 29, 1993
    Assignee: Boehringer Ingelheim Italia S.p.A.
    Inventors: Marco Turconi, Arturo Donetti, Ernesto Montagna, Massimo Nicola, Annamaria Uberti, Rosamaria Micheletti, Antonio Giachetti
  • Patent number: 4724236
    Abstract: 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: Grant
    Filed: December 19, 1986
    Date of Patent: February 9, 1988
    Assignee: Karl Thomae GmbH
    Inventors: Wolfgang Eberlein, Gunter Trummlitz, Wolfhard Engel, Gerhard Mihm, Rudolf Hammer, Norbert Mayer, Antonio Giachetti, Adriaan de Jonge
  • Patent number: 4699915
    Abstract: 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: Grant
    Filed: July 2, 1985
    Date of Patent: October 13, 1987
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Enzo Cereda, Giuseppe Bietti, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Ferdinando Pagani
  • Patent number: 4668674
    Abstract: 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: Grant
    Filed: August 19, 1986
    Date of Patent: May 26, 1987
    Assignee: Dr. Karl Thomae GmbH
    Inventors: G/u/ nter Trummlitz, Wolfhard Engel, Wolfgang Eberlein, Gerhard Mihm, Antonio Giachetti
  • Patent number: 4666932
    Abstract: 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: Grant
    Filed: July 2, 1985
    Date of Patent: May 19, 1987
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Enzo Cereda, Giuseppe Bietti, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Ferdinando Pagani
  • Patent number: 4649150
    Abstract: 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: Grant
    Filed: May 16, 1984
    Date of Patent: March 10, 1987
    Assignee: Istituto de Angeli, S.p.A.
    Inventors: Giuseppe Bietti, Enzo Cereda, Arturo Donetti, Antonio Giachetti, Ferdinando Pagani
  • Patent number: 4645841
    Abstract: 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: Grant
    Filed: June 24, 1985
    Date of Patent: February 24, 1987
    Assignee: Istituto de Angeli, S.p.A.
    Inventors: Giuseppe Bietti, Enzo Cereda, Arturo Donetti, Piero Del Soldato, Antonio Giachetti, Rosamaria Micheletti
  • Patent number: 4643993
    Abstract: 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: Grant
    Filed: May 18, 1983
    Date of Patent: February 17, 1987
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Enzo Cereda, Arturo Donetti, Antonio Giachetti, Piero del Soldato
  • Patent number: 4567178
    Abstract: 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: Grant
    Filed: January 7, 1985
    Date of Patent: January 28, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Wolfgang Eberlein, Gunter Trummlitz, Wolfhard Engel, Gunther Schmidt, Rudolf Hammer, Antonio Giachetti
  • Patent number: 4550107
    Abstract: 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: Grant
    Filed: March 14, 1985
    Date of Patent: October 29, 1985
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Wolfhard Engel, Gunter Trummlitz, Wolfgang Eberlein, Gerhard Mihm, Gunther Schmidt, Rudolf Hammer, Antonio Giachetti
  • Patent number: 4548944
    Abstract: 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: Grant
    Filed: February 10, 1983
    Date of Patent: October 22, 1985
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Giuseppe Bietti, Enzo Cereda, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Rosamaria Micheletti