Oxygen Bonded Directly At The 6- Or 7-position (e.g., Chenodeoxycholic Acids, Ursodeoxycholic Acids, Etc.) Patents (Class 552/551)
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Patent number: 10323060Abstract: The present invention provides compounds of Formula I: pharmaceutical compositions comprising these compounds and methods of using these compounds to treat or prevent a disease or disorder mediated by FXR and/or TGR5.Type: GrantFiled: February 22, 2017Date of Patent: June 18, 2019Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yat Sun Or, Xuechao Xing, Guoqiang Wang, Ruichao Shen, Jing He
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Patent number: 10266560Abstract: The present invention relates to compounds of Formula (I), and pharmaceutically acceptable salts thereof, where R1, R2, R3, R4, R5, R6, R7, R8 and m are as defined herein, pharmaceutical compositions comprising these compounds and methods of use of these compounds for treating a TGR5 mediated disease or condition.Type: GrantFiled: November 5, 2015Date of Patent: April 23, 2019Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yat Sun Or, Guoqiang Wang, Ruichao Shen, Xuechao Xing
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Patent number: 10155787Abstract: The present invention relates to obeticholic acid: or a pharmaceutically acceptable salt, solvate or amino acid conjugate thereof. Obeticholic acid is useful for the treatment or prevention of a FXR mediated disease or condition, cardiovascular disease or cholestatic liver disease, and for reducing HDL cholesterol, for lowering triglycerides in a mammal, or for inhibition of fibrosis. The present invention also relates to processes for the synthesis of obeticholic acid.Type: GrantFiled: November 20, 2015Date of Patent: December 18, 2018Assignee: Intercept Pharmaceuticals, Inc.Inventors: André Steiner, Heidi Waenerlund Poulsen, Emilie Jolibois, Melissa Rewolinski, Ralf Gross, Emma Sharp, Fiona Dubas-Fisher, Alex Eberlin
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Patent number: 9732117Abstract: The invention relates to compounds of formula (I): wherein R is ethyl, propyl or allyl, and pharmaceutically acceptable salts, solvates or amino acid conjugates thereof. The compounds of formula (I) are useful as FXR agonists.Type: GrantFiled: February 5, 2016Date of Patent: August 15, 2017Assignee: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Patent number: 9611289Abstract: The present invention provides a compound of formula (I): or a pharmaceutically acceptable salt, solvate, or amino acid conjugate thereof, wherein R1, R2, R3, R4, R5, and R6 are as described herein. The present invention relates generally to selective FXR agonists and to methods of making and using them.Type: GrantFiled: May 14, 2014Date of Patent: April 4, 2017Assignee: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Publication number: 20150099022Abstract: Phytoecdysones for use in improving muscle quality in obese and/or sarcopenic mammals, preferably, obese mammals subjected to a low-calorie diet. The phytoecdysones are advantageously incorporated into a food composition. The phytoecdysones can be derived from plants, such as quinoa.Type: ApplicationFiled: December 13, 2012Publication date: April 9, 2015Inventors: Stanislas Veillet, Rene Lafont, Anne-Sophie Foucault, Waly Dioh, Annie Quignard-Boulange
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Patent number: 8999964Abstract: The invention relates to compounds of Formula (A): (A) or a salt, solvate, hydrate, or amino acid conjugate thereof. The compounds of formula A are TGR5 modulators useful for the prevention and treatment of disease.Type: GrantFiled: November 19, 2009Date of Patent: April 7, 2015Assignee: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Patent number: 8969330Abstract: The invention relates to compounds of formula (I): wherein R is ethyl, propyl or allyl, and pharmaceutically acceptable salts, solvates or amino acid conjugates thereof. The compounds of formula (I) are useful as FXR agonists.Type: GrantFiled: February 7, 2013Date of Patent: March 3, 2015Assignee: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Patent number: 8829213Abstract: Compounds of formula (I): in which R1, R2, R3, R3?, R4, R5, R6, R6?, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, A, D, X, Y, and Z are defined in the specification. Also disclosed is a method of using one of the compounds to lower the blood cholesterol level and treat cancer, atherosclerosis, diabetes, Alzheimer's disease, and corneal arcus.Type: GrantFiled: July 29, 2010Date of Patent: September 9, 2014Assignee: The University of ChicagoInventors: Dacheng Peng, John Kokontis, Richard Hiipakka, Shutsung Liao
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Patent number: 8796249Abstract: The invention relates to compounds of Formula A: (A) or a salt, solvate, or hydrate thereof. The compounds of formula A are TGR5 modulators useful for the treatment of disease.Type: GrantFiled: July 30, 2009Date of Patent: August 5, 2014Assignee: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Publication number: 20140045808Abstract: A method of treating a patient to reduce risk of developing Clostridium difficile-associated disease or reducing existing Clostridium difficile-associated disease in a mammalian subject involves administering to a mammalian subject an effective amount of a germination-inhibiting compound derived from taurocholate. Novel compounds of this class are also provided.Type: ApplicationFiled: August 8, 2013Publication date: February 13, 2014Applicants: of Nevada, Las VegasInventors: Ernesto Abel-Santos, Amber Howerton
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Patent number: 8586770Abstract: The invention relates to methods to manipulate stem cells in vivo and in vitro to treat, e.g., a condition where cell or tissue repair is needed.Type: GrantFiled: February 18, 2011Date of Patent: November 19, 2013Assignee: Harbor Therapeutics, Inc.Inventor: James M. Frincke
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Publication number: 20130261317Abstract: This invention relates generally to methods for preparing certain bile acids from non-mammalian sourced starting materials as well as to synthetic bile acids and compositions comprising such acids wherein the acids are characterized by a different C14 population than naturally occurring bile acids as well as being free from any mammalian pathogens. This invention is also directed to the synthesis of intermediates useful in the synthesis of such bile acids. Accordingly, the C ring of the steroidal scaffold is oxidized to provide a synthetic route and intermediates to DCA. This invention also provides synthetic methods for preparing deoxycholic acid or a salt thereof starting from aromatic steroids such as estrogen, equilenin, and derivatives thereof. This invention is also directed to intermediates such as 12-oxo or delta-9,11-ene steroids as well as novel processes for their preparation.Type: ApplicationFiled: September 19, 2011Publication date: October 3, 2013Applicant: KYTHERA BIOPHARMACEUTICALS, INC.Inventors: Robert M. Moriarty, Photon Rao
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Patent number: 8293726Abstract: The present invention relates to a novel compound (e.g., 24-ethyl-cholestane-3?,5?,6?-triol), its production, its use, and to methods of treating neoplasms and other tumors as well as other diseases including hypercholesterolemia, autoimmune diseases, viral diseases (e.g., hepatitis B, hepatitis C, or HIV), and diabetes.Type: GrantFiled: November 30, 2006Date of Patent: October 23, 2012Assignee: Vianova Labs, Inc.Inventor: Nabil Francois Habib
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Patent number: 8173627Abstract: The present disclosure provides compositions and methods for treating, ameliorating, or relieving at least one symptom associated with loss of blood flow to the brain including, without limitation, ischemic stroke. Compositions of the disclosure may comprise a bile acid compound and a carbohydrate, wherein both materials remain in solution for all pH values of the solution within a selected range of pH values. Symptoms may include infarct volume, functional recovery, apoptosis, and/or eNOS expression.Type: GrantFiled: August 30, 2005Date of Patent: May 8, 2012Inventor: Seo Hong Yoo
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Patent number: 7994352Abstract: Process for preparing 3?-7?(?)-dihydroxy-6?(?)-alkyl-5?-cholanic acid (I) in which R is a linear or branched C1-C5 alkyl and the relative intermediates 3?-hydroxy-6?-alkyl-7-keto-5?-cholanic (VIII) and 3?-hydroxy-6?-alkyl-7-keto-5?-cholanic (IX).Type: GrantFiled: May 19, 2006Date of Patent: August 9, 2011Assignee: Intercept Pharmaceuticals, Inc.Inventors: Massimo Ferrari, Roberto Pellicciari
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Patent number: 7982062Abstract: A process for the preparation of high purity cholanic acids, typically in purity equal to or higher than 99%.Type: GrantFiled: September 11, 2007Date of Patent: July 19, 2011Assignee: Dipharma Francis s.r.l.Inventors: Pietro Allegrini, Tiziano Scubla, Fausto Gorassini, Andrea Finco
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Publication number: 20110172198Abstract: The invention relates to compounds of Formula A: (A) or a salt, solvate, or hydrate thereof. The compounds of formula A are TGR5 modulators useful for the treatment of disease.Type: ApplicationFiled: July 30, 2009Publication date: July 14, 2011Applicant: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Patent number: 7932243Abstract: The present disclosure relates to methods and compositions to offset, ameliorate and/or alleviate one or more unwanted and/or adverse gastrointestinal effects. For example, in some embodiments, the present disclosure relates to compositions that include a bile acid, a carbohydrate and/or a pharmaceutical compound, wherein the pharmaceutical is associated with an adverse gastrointestinal effect in a subject (e.g., mammal or human). Non-limiting examples of pharmaceutical compounds may include a nonsteroidal anti-inflammatory drug, a gastric irritating drug (e.g., an antibiotic, an adrenal cortocoid steroid and an anti-cancer drug) and combinations thereof. The disclosure further relates to methods of ameliorating or eliminating at least one adverse gastrointestinal effects of a composition, comprising administering to a subject an aqueous solution comprising a bile acid and a carbohydrate.Type: GrantFiled: March 10, 2006Date of Patent: April 26, 2011Inventor: Seo Hong Yoo
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Publication number: 20110059932Abstract: Compounds of formula (I): in which R1, R2, R3, R3?, R4, R5, R6, R6?, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, A, D, X, Y, and Z are defined in the specification. Also disclosed is a method of using one of the compounds to lower the blood cholesterol level and treat cancer, atherosclerosis, diabetes, Alzheimer's disease, and corneal arcus.Type: ApplicationFiled: July 29, 2010Publication date: March 10, 2011Applicant: The University of ChicagoInventors: Dacheng Peng, John Kokontis, Richard Hiipakka, Shutsung Liao
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Publication number: 20110003782Abstract: The invention relates to compounds of Formula A: (A) or a pharmaceutically acceptable salt, solvate, hydrate, or prodrug thereof. The compounds of Formula A are TGR5 modulators useful for the treatment of various diseases, including obesity, insulin sensitivity, inflammation, cholestasis, and bile desaturation.Type: ApplicationFiled: January 18, 2008Publication date: January 6, 2011Inventor: Roberto Pellicciari
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Patent number: 7812011Abstract: The invention relates to a FXR agonist of formula (I) and pharmaceutically acceptable salts, solvates or amino acid conjugates thereof.Type: GrantFiled: February 28, 2005Date of Patent: October 12, 2010Assignee: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Patent number: 7786102Abstract: The invention relates to compounds of formula (I): wherein R is ethyl, and pharmaceutically acceptable salts, solvates or amino acid conjugates thereof. The compounds of formula (I) are useful as FXR agonists.Type: GrantFiled: November 21, 2006Date of Patent: August 31, 2010Assignee: Intercept Pharmaceuticals, Inc.Inventor: Roberto Pellicciari
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Publication number: 20100093687Abstract: A method of treating a disorder related to a high cholesterol concentration, comprising administering to a subject in need thereof a compound of formula (I): Also disclosed are methods, kits, combinations, and compositions for treating a disorder in a subject where an activator of liver X alpha is indicated, such as in, for example, treating a high cholesterol disease.Type: ApplicationFiled: December 14, 2009Publication date: April 15, 2010Applicant: University of ChicagoInventors: Ching Song, Shutsung Liao, Qing Dai
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Patent number: 7601706Abstract: This invention is directed to compounds that provide for sustained systemic concentrations of therapeutic or prophylactic agents following administration to animals. This invention is also directed to pharmaceutical compositions including and methods using such compounds.Type: GrantFiled: March 24, 2006Date of Patent: October 13, 2009Assignee: XenoPort, Inc.Inventors: Kenneth C. Cundy, Mark A. Gallop, Cindy X. Zhou
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Patent number: 7598235Abstract: This invention is directed to compounds that provide for sustained systemic concentrations of therapeutic or prophylactic agents following administration to animals. This invention is also directed to pharmaceutical compositions including and methods using such compounds.Type: GrantFiled: September 6, 2005Date of Patent: October 6, 2009Assignee: XenoPort, Inc.Inventors: Kenneth C. Cundy, Mark A. Gallop
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Publication number: 20090226431Abstract: The present invention relates to a novel compound (e.g., 24-ethyl-cholestane-3?,5?,6?-triol), its production, its use, and to methods of treating neoplasms and other tumors as well as other diseases including hypercholesterolemia, autoimmune diseases, viral diseases (e.g., hepatitis B, hepatitis C, or HIV), and diabetes.Type: ApplicationFiled: November 30, 2006Publication date: September 10, 2009Inventor: Nabil Habib
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Patent number: 7501403Abstract: The present invention relates to the use of a bile acid or bile salt fatty acid conjugate of general formula II W-X-G in which G is a bile acid or bile salt radical, which, if desired, is conjugated in position 24 with a suitable amino acid, W stands for one or two fatty acid radicals having 14-22 carbon atoms and X stands for a suitable bonding member or for a direct C?C bond between said bile acid or bile salt radical and the fatty acid(s) or of a pharmaceutical composition comprising same for the reduction of Cholesterol in blood, for the treatment of Fatty Liver, Hyperglycemia and Diabetes.Type: GrantFiled: April 15, 2002Date of Patent: March 10, 2009Assignee: Galmed International LimitedInventor: Tuvia Gilat
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Publication number: 20080138285Abstract: A steroid ester compound of a terminally-fluorinated alkyl fatty acid, a steroid compound having bis(trifluoromethyl)phenyl group, a phosphatidylserine compound having a terminally-fluorinated alkyl group, a glyceride compound having bis(trifluoromethyl phenyl group, or a glyceride compound having a terminally-fluorinated alkyl group. A vascular lesion can be selectively imaged by using a contrast medium comprising a liposome containing said compound or a salt thereof.Type: ApplicationFiled: September 18, 2007Publication date: June 12, 2008Inventors: Kazunobu Takahashi, Kazuhiro Aikawa
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Publication number: 20080064888Abstract: A process for the preparation of high purity cholanic acids, typically in purity equal to or higher than 99%.Type: ApplicationFiled: September 11, 2007Publication date: March 13, 2008Applicant: DIPHARMA FRANCIS S.R.L.Inventors: Pietro ALLEGRINI, Tiziano SCUBLA, Fausto GORASSINI, Andrea FINCO
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Patent number: 7160733Abstract: The cholesterol derivative, represented by the following formula (1): wherein R represents a C3–C23 saturated or unsaturated aliphatic hydrocarbon residue having an optional substituent, and, to the cholesterol backbone, —OH, —CHO, —COOH, —OOH, or an epoxy group may be added, specifically binds to ?2-glycoprotein. By use of the derivative, ?2-glycoprotein or a similar substance can be assayed in a very practical manner. Through the assay, a disease can be detected in a very practical manner.Type: GrantFiled: January 30, 2002Date of Patent: January 9, 2007Inventors: Eiji Matsuura, Kazuko Kobayashi
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Patent number: 7144877Abstract: Disclosed are methods for providing enhanced systemic blood concentrations of orally delivered drugs that are incompletely translocated across the intestinal wall of an animal. Also disclosed are methods for the sustained release of drugs, whether poorly or readily bioavailable via oral delivery to animals. Still further, disclosed are compounds and pharmaceutical compositions that are used in such methods.Type: GrantFiled: October 5, 2001Date of Patent: December 5, 2006Assignee: XenoPort, Inc.Inventors: Mark A. Gallop, Kenneth C. Cundy
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Patent number: 7138390Abstract: The invention relates to compounds of formula (I): wherein R is ethyl and pharmaceutically acceptable salts, solvates or amino acid conjugates thereof. The compounds of formula (I) are useful as FXR agonists.Type: GrantFiled: February 21, 2002Date of Patent: November 21, 2006Assignee: Intercept PharmaceuticalsInventor: Roberto Pellicciari
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Patent number: 7074778Abstract: This invention relates to methods for treating asthma or allergy in a mammal by administering a 3-aminosteroid compound to a mammal in need thereof. The 3-aminosteroid compound being capable of down regulating the IL-9 pathway and alleviating asthmatic responses to allergen. Exemplary 3-aminosteroid compounds used in the methods of the invention include compounds having the chemical formula (I), wherein X, R1, R2, R3, and R4 groups are as defined herein. The invention also relates to certain novel compounds of formula (I). Moreover, the invention also provides methods for identifying an immunomodulatory 3-aminosteroid compound.Type: GrantFiled: December 11, 2000Date of Patent: July 11, 2006Assignee: Genaera CorporationInventors: Roy C. Levitt, Nicholas C. Nicolaides, William A. Kinney, Steve Jones
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Patent number: 6984634Abstract: This invention is directed to compounds that provide for sustained systemic concentrations of therapeutic or prophylactic agents following administration to animals. This invention is also directed to pharmaceutical compositions including and methods using such compounds.Type: GrantFiled: October 9, 2001Date of Patent: January 10, 2006Assignee: XenoPort, Inc.Inventors: Kenneth C. Cundy, Mark A. Gallop
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Patent number: 6909007Abstract: Steroidal compounds or their salts having general formulas (I) and (II) wherein: s is an integer equal to 1 or 2, preferably s=2; b0=0 or 1; A?R—, wherein R is the steroidal drug radical, C and C1 are two bivalent radials. The precursors of the radicals B and B1 are such as to the pharmacological tests repotted in the description.Type: GrantFiled: April 11, 2000Date of Patent: June 21, 2005Assignee: Nicox S.A.Inventor: Piero del Soldato
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Patent number: 6900192Abstract: This invention is directed to compounds that provide for sustained systemic concentrations of therapeutic or prophylactic agents following administration to animals. This invention is also directed to pharmaceutical compositions including and methods using such compounds.Type: GrantFiled: October 5, 2001Date of Patent: May 31, 2005Assignee: XenoPort, Inc.Inventors: Kenneth C. Cundy, Mark A. Gallop, Cindy X. Zhou
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Patent number: 6803030Abstract: Compounds able to chelate paramagnetic metal ions and the use thereof as contrast agents in the technique known as “Magnetic Resonance Imaging” (M.R.I.).Type: GrantFiled: August 27, 2002Date of Patent: October 12, 2004Assignee: Bracco Imaging S.p.A.Inventors: Christoph De Haen, Andrea Beltrami, Enrico Cappelletti, Luciano Lattuada, Mario Virtuani
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Patent number: 6624155Abstract: The present invention provides hybrid molecules and methods of synthesizing such hybrid molecules from a cholinergic agent and a bile acid. The hybrid molecules function as cholinergic agents and may be either cholinergic agonists or cholinergic antagonists. Further disclosed herein are compositions comprising hybrid cholinergic agents and methods of making such compositions. Methods of treating a patient having a cholinergic disorder are also disclosed.Type: GrantFiled: May 1, 2001Date of Patent: September 23, 2003Assignee: Board of Trustees of the University of ArkansasInventors: Jean-Pierre Raufman, Piotr Zimniak, Kunrong Cheng
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Patent number: 6624156Abstract: The present invention provides hybrid molecules and methods of synthesizing such hybrid molecules from a cholinergic agent and a bile acid. The hybrid molecules function as cholinergic agents and may be either cholinergic agonists or cholinergic antagonists. Further disclosed herein are compositions comprising hybrid cholinergic agents and methods of making such compositions. Methods of treating a patient having a cholinergic disorder are also disclosed.Type: GrantFiled: June 25, 2002Date of Patent: September 23, 2003Assignee: Board of Trustees of the University of ArkansasInventors: Jean-Pierre Raufman, Piotr Zimniak, Kunrong Cheng
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Patent number: 6589946Abstract: The present invention relates to bile acid or bile salt fatty acid conjugates (hereinafter called “BAFAC), to their use in dissolving cholesterol gallstones in bile, preventing their occurrence or recurrence, to their use in reducing or preventing arteriosclerosis and to methods for the treatment of said diseases. The conjugates are of the formula W—X—G in which G is a bile acid or bile salt radical, W stands for one or two saturated fatty acid radicals and X is either a direct bond or a bonding member between bile acid or bile salt and the fatty acid(s). The conjugation is advantageously performed at a position selected among the 3, 6, 7, 12 and 24 positions of the bile acid or bile salt nucleus. The fatty acids are preferably saturated fatty acids having 6-26 carbon atoms.Type: GrantFiled: February 21, 2002Date of Patent: July 8, 2003Assignee: Galmed International LimitedInventor: Tuvia Gilat
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Patent number: 6555530Abstract: Analysis of full-blood glucose, serum insulin, serum triglycerides and total serum cholesterol were performed. Glucose levels in blood samples from the oral glucose tolerance test were used for calculation of the incremental Area Under the Curve (AUC0-120 min−baseline). All data are expressed as percentage change of vehicle treated animals (cf. FIGS. 1 and 2).Type: GrantFiled: January 31, 2000Date of Patent: April 29, 2003Assignee: Novo Nordisk A/SInventor: Karsten Wassermann
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Patent number: 6437156Abstract: The invention relates to a method of altering hypothalamic function in an individual. The method comprises nasally administering a human vomeropherin, e.g. a 19-nor cholane steroid, or a pharmaceutical composition containing a vomeropherin, such that the vomeropherin binds to a specific neuroepithelial receptor. The steroid or steroids is/are preferably administered in the form of a pharmaceutical composition containing one or more pharmaceutically acceptable carriers. Other embodiments of the invention include pharmaceutical compositions containing the steroids.Type: GrantFiled: February 2, 1999Date of Patent: August 20, 2002Assignee: Pherin CorporationInventors: Clive L. Jennings-White, David L. Berliner, Nathan W. Adams
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Patent number: 6342489Abstract: Bile acid metal salts of therapeutic interest and pharmaceutical and veterinary composition containing same for the treatment of anemias and other conditions are described.Type: GrantFiled: April 4, 2000Date of Patent: January 29, 2002Assignees: ICE s.r.l.Inventors: Beniamino Palmieri, Alessandro Medici, Enzo Bartoli
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Patent number: 5834452Abstract: A compound of the formula ##STR1## having progestomimetic activity, wherein the substituents are as defined in the specification and compositions of a compound of formula I and an estrogen compound.Type: GrantFiled: May 22, 1997Date of Patent: November 10, 1998Assignee: Roussel UclafInventors: Jacques Biton, Jean-Pierre Marchandeau, Robert Azerad, Isabelle Lacroix
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Patent number: 5637691Abstract: Compounds having a broad range of antimicrobial activity generally have a structure including asteroid nucleus with a cationic, preferably polyamine, side chain (X) and an anionic side chain (Y). The invention is also directed to compounds of the Formula III: ##STR1## preferably where the steroid ring nucleus is saturated; the steroid ring substituent Z.sub.5 is .alpha.-H; one Z.sub.7 is .beta.-H and the other is .alpha.-H or .alpha.-OH; both substituents Z.sub.12 are hydrogen; X' is a polyamine side chain of the formula --NH--(CH.sub.2).sub.p --NH--(CH.sub.2).sub.q --N(R.sup.II)(R.sup.III) where p and q are each independently 3 or 4, and R.sup.II and R.sup.III are each independently hydrogen or methyl; R' is methyl; and Y' is (C.sub.1 -C.sub.10)-alkyl substituted with a group such as --CO.sub.2 H or --SO.sub.3 H.Type: GrantFiled: August 18, 1994Date of Patent: June 10, 1997Assignee: Magainin Pharmaceuticals, Inc.Inventors: Leah L. Frye, Michael A. Zasloff, William A. Kinney, Robert Moriarty
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Patent number: 5610151Abstract: Monomeric bile acid derivatives, processes for their preparation and the use of these compounds as medicamentsMonomeric bile acid derivatives of the formula IZ--X--GS I,in which GS, X and Z have the meanings given, and processes for their preparation are described. The compounds have useful pharmacological properties and can therefore be used as medicaments.Type: GrantFiled: May 5, 1994Date of Patent: March 11, 1997Assignee: Hoechst AktiengesellschaftInventors: Heiner Glombik, Alfons Enhsen, Werner Kramer, G unther Wess
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Patent number: 5559258Abstract: Ethylenically unsaturated bile acid derivatives of the formula IG--X--A Iin which G, X and A have the meanings indicated, are described. They are suitable for the preparation of polymeric bile acid derivatives. Bile acid derivatives of the formula IVaG--X' IVain which G and X' have the meanings indicated, are also described. They are useful synthesis components for the preparation of pharmaceuticals.Type: GrantFiled: November 22, 1994Date of Patent: September 24, 1996Assignee: Hoechst AktiengesellschaftInventors: Alfons Enhsen, Heiner Glombik, Stefan M ullner, G unther Wess
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Patent number: 5541348Abstract: Novel bile acids according to the general formula ##STR1## wherein R.sub.1 represents a hydroxyl group, R.sub.2 and R.sub.3 both represent a hydrogen or a hydroxyl group, or R.sub.2 represents a hydroxyl group or a .beta. hydroxyl group and R.sub.3 represents a hydrogen or R.sub.3 represents a hydroxyl group and R.sub.2 represents a hydrogen, and R.sub.4 represents a (CH.sub.2).sub.n R.sub.5 wherein n is from 1 to 6, and R.sub.5 represents --0--PO(OH).sub.2, --CH(OH)COOH, a nitrogen containing saturated heterocyclic ring group, NR.sub.6 R.sub.7, wherein R.sub.6 and R.sub.7 are the same or different and each represent hydrogen or a C.sub.1 -C.sub.10 alkyl group or CO--R.sub.8 wherein R.sub.8 represents an amino acid moiety, R-phenylglycine, 12-aminododecanoic acid or 4-aminohippuric acid are synthesized from cholic, deoxycholic, chenodeoxycholic, ursodeoxycholic and lithocholic acids and iodo-derivatives thereof by known processes and/or by novel processes according to the present invention.Type: GrantFiled: March 10, 1994Date of Patent: July 30, 1996Assignee: National Research Council of CanadaInventors: Prabhat Ayra, Graham W. Burton
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Patent number: 5349074Abstract: Process for pharmaceutical grade high purity hyodeoxycholic acid preparation starting from swine bile, consisting in the treatment of swine bile with sodium hydroxide, isolation of hyodeoxycholic, chenodeoxycholic and hyocholic acids by precipiation of their zinc salts and subsequent selective precipitation of the hyodeoxycholic acid magnesium salt, from which the acid is freed by acidification and then crystallized.Type: GrantFiled: January 28, 1993Date of Patent: September 20, 1994Assignee: Erregierre Industria Chimica S.p.A.Inventor: Antonio Bonaldi