The Hetero Ring Is In The 17-position Substituent Of The Cyclopentanohydrophenanthrene Ring System Patents (Class 540/109)
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Patent number: 9637514Abstract: Described herein are compounds and pharmaceutical compositions containing such compounds which inhibit Hedgehog signaling. Also described herein are methods for using such Hedgehog signaling inhibitors, alone or in combination with other compounds, for treating diseases or conditions that would benefit from inhibition of Hedgehog signaling.Type: GrantFiled: February 26, 2016Date of Patent: May 2, 2017Assignee: MAX BIOPHARMA, INC.Inventors: Frank Stappenbeck, Yi Chiao Fan
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Patent number: 8841284Abstract: There is provided a novel compound having neurite-outgrowing activity that is useful for the prevention or the treatment of a neurodegenerative disease. A compound of Formula (I) [where X is OR or NR1R2, Y is OH, NR3R4, —NHC(?NH)NHR5, or —NHC(?NH)R5, and Z is a hydrogen atom, a linear or branched C1-5 alkyl group, or a 5- or 6-membered ring aryl group optionally having 1 or 2 nitrogen atom(s), sulfur atom(s), or oxygen atom(s)], or a pharmaceutically or veterinary-medically acceptable salt of the compound.Type: GrantFiled: July 21, 2009Date of Patent: September 23, 2014Assignee: Lead Chemical Co., LtdInventors: Hideo Nemoto, Yuji Matsuya
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Publication number: 20130150336Abstract: Provided are methods and compositions for reducing superoxide anions such that a prophylactic or therapeutic effect against conditions associated with excess oxidative stress achieved. The compositions and methods provide for reducing inflammation and for enhancing lifespan of eukaryotic organisms. A screen for identifying compounds that can be used in these methods is also provided.Type: ApplicationFiled: March 24, 2011Publication date: June 13, 2013Applicants: STC.UNM, HEALTH RESEARCH, INC.Inventors: WIlliam C. Burhans, Catherine E. Prudom, Christopher P. Allen, Oleg Ursu, Anna Waller, Larry A. Sklar
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Publication number: 20120309730Abstract: This invention relates, e.g., to compositions comprising oxysterol compounds represented by Formula I or Formula II, e.g., comprising one or more of Oxy 16, Oxy 22, Oxy30, Oxy 31, Oxy35, Oxy37, Oxy43, Oxy44, Oxy45 or Oxy47. The compounds are shown to be Hedgehog pathway inhibiting, and to act as agonists for liver X receptor (LXR). Also disclosed are methods of using compositions of the invention to inhibit Hedgehog signaling effects, such as cell proliferation, including treating subjects in need thereof, and pharmaceutical compositions and kits for implementing methods of the invention.Type: ApplicationFiled: February 16, 2011Publication date: December 6, 2012Applicants: The Johns Hopkins University, The Regents of the University of CaliforniaInventors: Farhad Parhami, Michael Jung, Khanhlinh Nguyen, Dongwon Yoo, VIncente Meliton
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Patent number: 8119619Abstract: Steroid compounds possessing a hydrogen donor in 3beta position, either in the form of a hydroxy- or a sulfate group, function as efficient blockers of the 3alpha-hydroxy-pregnan-steroid action and thus have utility as therapeutic substances for the prevention and/or treatment of steroid related CNS disorders. Treatment methods based on the administration of these substances are disclosed, and these substances either alone or in combination are also suggested for the manufacture of pharmaceuticals for the treatment of many specific steroid induced CNS disorders.Type: GrantFiled: January 7, 2011Date of Patent: February 21, 2012Assignee: Umecrine ABInventors: Torbjörn Bäckström, Per Lundgren, Ming-De Wang, Inga-Maj Johansson
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Patent number: 7960367Abstract: Steroid compounds processing a hydrogen donor in 3beta position, either in the form of a hydroxy- or a sulfate group, function as efficient blockers of the 3alpha-hydroxy-pregnan-steroid action and thus have utility as therapeutic substances for the prevention and/or treatment of steroid related CNS disorders. Treatment methods based on the administration of these substances are disclosed, and these substances either alone or in combination are also suggested for the manufacture of pharmaceuticals for the treatment of many specific steroid induced CNS disorders.Type: GrantFiled: December 20, 2002Date of Patent: June 14, 2011Assignee: Umecrine ABInventors: Torbjorn Backstrom, Per Lundgren, Ming-De Wang, Inga-Maj Johansson
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Publication number: 20110118225Abstract: The invention relates to novel ligands of the estrogen receptors ? and ? of general formula II, which are useful as an active substance of pharmaceuticals, for example pharmaceutical compositions useful for hormone replacement therapy, as well as for the treatment of tumors and inflammatory diseases. The invention also relates to a novel preparation method of these ligands comprising cyclotrimerization of ethynylestradiol with the appropriate diyne in an organic solvent. Further, the invention relates to pharmaceuticals comprising the novel compounds according to the invention.Type: ApplicationFiled: May 5, 2009Publication date: May 19, 2011Inventors: Petr Novak, David Sedlak, Petr Bartunek, Martin Kotora
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Patent number: 7888340Abstract: Steroid compounds processing a hydrogen donor in 3beta position, either in the form of a hydroxy- or a sulfate group, function as efficient blockers of the 3alpha-hydroxy-pregnan-steroid action and thus have utility as therapeutic substances for the prevention and/or treatment of steroid related CNS disorders. Treatment methods based on the administration of these substances are disclosed, and these substances either alone or in combination are also suggested for the manufacture of pharmaceuticals for the treatment of many specific steroid induced CNS disorders.Type: GrantFiled: December 20, 2002Date of Patent: February 15, 2011Assignee: Umecrine ABInventors: Torbjorn Backstrom, Per Lundgren, Ming-De Wang, Inga-Maj Johansson
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Publication number: 20080305049Abstract: The invention relates to bifunctional conjugates comprising a receptor ligand moiety and a metal binding moiety and complexes thereof with paramagnetic lanthanide or transition metals, and to the use of the metal complexes as contrast agents in magnetic resonance imaging (MRI) of tumors and other abnormalities.Type: ApplicationFiled: January 31, 2006Publication date: December 11, 2008Inventors: Hadassa Degani, David Stein
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Patent number: 7153844Abstract: wherein X may be —CH2—O—CH2— or —CH2—, wherein n may be 1, 2, 3, 4 or 5 when X is —CH2—O—CH2—, wherein n may be 2, 3, 4, 5, 6, 7, 8, 9 or 10 when X is —CH2—, wherein o may be 1, 2 or 3, wherein Y may be O or 17?-OH, where the dotted line represents the presence or absence of a second chemical bond, wherein R1 may be selected from the group consisting of H, straight alkyl groups of 1 to 5 carbon atoms, and branched alkyl groups of 3 to 5 carbon atoms, wherein R2 may be selected for the group consisting of H, straight alkyl groups of 1 to 4 carbon atoms, branched alkyl groups of 3 or 4 carbon atoms, F, Cl, Br, I, —CF3, —NO2, —OR1, where R1 is as defined hereinabove, —COR1, where R1 is as defined hereinabove, and —CH2OH. These compounds possess anticancer activity against hormono-dependent breast, uterus as well as ovarian cancers.Type: GrantFiled: March 27, 2003Date of Patent: December 26, 2006Inventor: Gervais Bérubé
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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: 7067503Abstract: There is provided a compound comprising a steroidal ring system and a group R1 selected from any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group; wherein the D ring of the steroidal ring system is substituted by a group R2 of the formula —L-R3, wherein L is an optional linker group and R3 is an aromatic hydrocarbyl group.Type: GrantFiled: February 14, 2003Date of Patent: June 27, 2006Assignee: Sterix LimitedInventors: Barry Victor Lloyd Potter, Michael John Reed, Bertrand Leblond, Matthew Paul Leese
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Patent number: 7049305Abstract: 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: February 9, 2005Date of Patent: May 23, 2006Assignee: XenoPort, Inc.Inventors: Kenneth C. Cundy, Mark A. Gallop, Cindy X. Zhou
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Patent number: 7041839Abstract: The present invention comprises the design, synthesis and development of a new class of chemotherapeutic agents for prophylactic and therapeutic treatments in a mammal, particularly a human, believed to be at risk of suffering from a hormone-responsive disorde. In an embodiment of the invention, such treatments include therapeutic compositions comprising novel steroidal antiestrogen and antiandrogen compounds. In a preferred embodiment, such a novel compound of the present invention has an address and a message component, which are made into a single composite entity for more aggressive intervention and effective treatment of hormone-responsive disorders, thereby prolonging the disease-free interval for the patient and reducing a number of side effects.Type: GrantFiled: June 22, 2001Date of Patent: May 9, 2006Assignee: Northeastern UniversityInventors: Robert N. Hanson, Carolyn Friel, Choon Young Lee
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Patent number: 6953785Abstract: Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I): {wherein R1 and R2 are the same or different and represent a hydrogen atom, a lower alkyl group or, etc.; R3 represents a hydrogen atom etc.; R4 represents a hydrogen atom etc.; R5 represents a hydrogen atom etc.; R6 represents a cyano group, an amino group, COR53 (wherein R53 represents a substituted lower alkyl group etc.), a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, etc}, or pharmaceutically acceptable salts thereof.Type: GrantFiled: April 24, 2001Date of Patent: October 11, 2005Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Yoji Ino, Nobuyoshi Amishiro, Mayumi Miyata, Tsutomu Agatsuma, Kozue Muramatsu, Takeshi Takahashi, Shiro Akinaga, Chikara Murakata
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Patent number: 6916921Abstract: The present invention relates to steroid compounds of general formula X, which may advantageously be employed to stimulate meiosis in human oocytes, the steroid being specifically characterized by amino nitrogen bonded to C17 of the steroid skeleton via a spacer A.Type: GrantFiled: March 26, 2002Date of Patent: July 12, 2005Assignees: Schering AG, Novo Nordisk D/SInventors: Thorsten Blume, Peter Esperling, Christa Hegele-Hartung
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Patent number: 6670348Abstract: Compounds having an ansamycin anitibiotic, or other moiety which binds to hsp90, coupled to a targeting moiety which binds specifically to a protein, receptor or marker can provide effective targeted delivery of the ansamycin antibiotic leading to the degradation of proteins and death of the targeted cells. These compositions may have different specificity than the ansamycin alone, allowing for a more specific targeting of the therapy, and can be effective in instances where the ansamycin alone has no effect. Thus, these compounds provide an entirely new class of targeted chemotherapy agents with application, depending on the nature of the targeting moiety, to treatment of a variety of different forms of cancer. Such agents can further be used to promote selective degradation of proteins associated with the pathogenesis of others diseases, including antigens associated with autoimmune disorders and pathogenic proteins associated with Alzheimer's disease.Type: GrantFiled: October 20, 1999Date of Patent: December 30, 2003Assignee: Sloan-Kettering Institute for Cancer ResearchInventors: Neal Rosen, Samuel Danishefsky, Ouathek Ouerfelli, Scott D. Kuduk, Laura Sepp-Lorenzino
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Publication number: 20030064972Abstract: The subject invention provides pharmaceutical compounds useful in the treatment of Type II diabetes. These compounds are advantageous because they are readily metabolized by the metabolic drug detoxification systems. Particularly, thiazolidinedione analogs that have been designed to include esters within the structure of the compounds are provided. This invention is also drawn to methods of treating disorders, such as diabetes, comprising the administration of therapeutically effective compositions comprising compounds that have been designed to be metabolized by serum or intracellular hydrolases and esterases. Pharmaceutical compositions of the ester-containing thiazolidinedione analogs are also taught.Type: ApplicationFiled: April 24, 2001Publication date: April 3, 2003Inventors: Pascal Druzgala, Peter G. Milner, Jurg R. Pfister
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Publication number: 20020183295Abstract: 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: ApplicationFiled: June 25, 2002Publication date: December 5, 2002Inventors: Jean-Pierre Raufman, Piotr Zimniak, Kunrong Cheng
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Publication number: 20020111338Abstract: 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: ApplicationFiled: October 5, 2001Publication date: August 15, 2002Inventors: Kenneth C. Cundy, Mark A. Gallop, Cindy X. Zhou
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Publication number: 20020004202Abstract: The subject invention provides a compound having the formula:Type: ApplicationFiled: January 24, 2001Publication date: January 10, 2002Inventor: Virginia W. Cornish
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Patent number: 6284887Abstract: A process for producing a compound of formula (I): wherein the dotted lines - - - independently represent a single or double bond and R, R1, R2 and R3 are each hydrogen or an organic radical, comprises treating the corresponding 17&bgr;-carbonylimidazole intermediates with anhydrous acids in the presence of an amine and, optionally, hydrogenating the resulting compound.Type: GrantFiled: June 6, 2000Date of Patent: September 4, 2001Assignee: Pharmacia & Upjohn SpAInventors: Achille Panzeri, Matteo D'Anello, Antonio Longo, Marcella Nesi
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Patent number: 6180618Abstract: Compounds of formula (I) in which the radicals are as defined in the specification and claims, and physiologically tolerated and physiologically functional derivatives thereof and processes for their preparation are described. The compounds are suitable, for example, as hypolipidemic agents.Type: GrantFiled: September 29, 1999Date of Patent: January 30, 2001Assignee: Aventis Pharma Deutschland GmbHInventors: Siegfried Stengelin, Alfons Enhsen, Heiner Glombik, Werner Kramer, Eugen Falk
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Patent number: 5760214Abstract: A compound represented by the following formula (I):X--Y--Z (I)?where Y is represented by the following formula (III): ##STR1## X is a monovalent group of a tetracycline type compound, and Z is a monovalent group of a steroid type compound such as estrogen!. The compound can concentrate on the bone tissue and has a bone resorption inhibition/ossification promotion functions.Type: GrantFiled: March 1, 1995Date of Patent: June 2, 1998Assignees: Iskra Industry Co., Ltd., Institute of Pharmacology, West China Univ. of Medical SciencesInventors: Hu Zheng, Lingling Weng
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Patent number: 5620966Abstract: The invention relates to a 11,21-bisphenyl-19-norpregnane derivative of formula I ##STR1## wherein R.sub.1 is selected from H, halogen, (1-6C)alkoxy, and NR.sub.5 R.sub.6, R.sub.5 and R.sub.6 being independently hydrogen or (1-6C)alkyl or R.sub.5 and R.sub.6 together are (3-6C)alkylene; R.sub.2 is hydrogen; or R.sub.1 and R.sub.2 together are a (1-3C)alkylenedioxy group, optionally substituted by one or more halogen atoms; R.sub.3 is methyl or ethyl; R.sub.4 is selected from C(O)-NR.sub.5 R.sub.6, SO.sub.n -(1-6C)alkyl optionally substituted by one or more halogen atoms, SO.sub.n -(3-6C)cycloalkyl, n being 1 or 2, SO.sub.2 -NR.sub.5 R.sub.6, 2-oxypyrrolidinyl, and NR.sub.5 R.sub.6 ; R.sub.7 is H or (1-6C)alkyl; R.sub.8 is H or carboxy-1-oxo(1-6C)alkyl; and X is selected from (H,OH), O, and NOH; 11 or a pharmaceutically acceptable salt thereof.The compounds of the invention have anti-glucocorticoid activity and can be used in treating or preventing glucocorticoid-dependent diseases.Type: GrantFiled: May 19, 1995Date of Patent: April 15, 1997Assignee: Akzo Nobel N.V.Inventors: Ronald Gebhard, Hendrikus A. A. van der Voort
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Patent number: 5616743Abstract: A compound having the formulae selected from the group consisting of ##STR1## wherein R.sub.2 and R.sub.3 are hydrogen or R.sub.2 is fluorine and R.sub.3 is formyloxy or acetyloxy, the dotted line in 9(11) position indicates an optional double bond and the dotted line in position 16(17) indicates an optional double bond ##STR2## is a 3-keto-.DELTA..sup.4 -system or 3-keto-.DELTA..sup.1,4 -system or 3-OR.sub.4 -.DELTA..sup.5 -system, R.sub.4 is hydrogen or a protector group of hydroxy, R is --CH.sub.3, --CH.sub.2 OH or --CH.sub.2 --OR', R' is a hydroxy protector group and R'.sub.1 is selected from the group consisting of methyl, a branched alkyl of 5 to 8 carbon atoms not possessing hydrogen in the .beta.-position, aryl of up to 10 carbon atoms and benzyl, hetroaryl of up to 10 carbon atoms and at least one heteroatom selected from the group consisting of nitrogen, sulfur and oxygen, with the exception of the compounds of formula Vc in which R is methyl, R.sub.2 and R.sub.3 are hydrogen or R.sub.2 and R.sub.Type: GrantFiled: January 13, 1995Date of Patent: April 1, 1997Assignee: Roussel UCLAFInventors: Jean Boivin, Samir Zard, Christine Chauvet
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Patent number: 5599806Abstract: The invention describes hydrazino and hydroxyamino-14.beta.-hydroxyandrostane derivatives having general formula (I): ##STR1## wherein the symbol means .alpha. or .beta. configuration and A, B, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 have the meanings given in the description and their use in the treatment of cardiovascular disorders such as heart failure and hypertension.Type: GrantFiled: May 18, 1995Date of Patent: February 4, 1997Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.Inventors: Alberto Cerri, Giuseppe Bianchi, Patrizia Ferrari, Elena Folpini, Piero Melloni
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Patent number: 5593982Abstract: Cyclopentanperhydrophenantren-17.beta.-(3-furyl)-3-derivatives and pharmaceutical compositions containing same for the treatment of cardiovascular disorders such as heart failure and hypertension, are disclosed.Type: GrantFiled: May 9, 1995Date of Patent: January 14, 1997Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.Inventors: Luisa Quadri, Luigi Bernardi, Patrizia Ferrari, Mauro Gobbini, Piero Melloni, Loredana Valentino
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Patent number: 5591733Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionophore (GR) complex.Type: GrantFiled: August 2, 1993Date of Patent: January 7, 1997Assignee: University of Southern CaliforniaInventors: Michael B. Bolger, Kelvin W. Gee, Nancy C. Lan, Robert H. Purdy, Seid Mirsadeghi, Syed Hasan Tahir, Delia Belelli
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Patent number: 5583127Abstract: Disclosed are 17-iminomethylalkenyl and 17-iminoalkyl-14.beta.-hydroxy-5.beta.-androstane derivatives of the formula (I): ##STR1## wherein the symbol means .alpha. or .beta. configuration or a Z or E configuration; A represents (CH.sub.2).sub.m or --(CH.dbd.CH).sub.n --; m represents an integer number from 1 to 6; n represents an integer number from 1 to 3; R.sup.2 represents hydrogen or hydroxy; R.sup.1 represents hydrogen, C.sub.2 -C.sub.4 alkyl unsubstituted or substituted by NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5, which may be the same or different, represent hydrogen, C.sub.1 -C.sub.4 alkyl or R.sup.4 and R.sup.5 may form, when taken together with the nitrogen atom, a five- or six- membered heterocyclic ring optionally containing one or more heteroatoms selected from oxygen and nitrogen; R.sup.3 represents NHC(.dbd.X)NR.sup.6 R.sup.7 or OR.sup.8 wherein R.sup.6 and R.sup.7, which may be the same or different, represent hydrogen, methyl, or C.sub.2 -C.sub.4 alkyl unsubstituted or substituted by NR.Type: GrantFiled: December 23, 1994Date of Patent: December 10, 1996Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.Inventors: Alberto Cerri, Giuseppe Bianchi, Patrizia Ferrari, Elena Folpini, Piero Melloni
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Patent number: 5556846Abstract: 17-Heterocyclyl-5.alpha.-14.beta.-androstane, androstene and androstadiene of formula (I): ##STR1## wherein: Y is oxygen or guanidinoimino, when a double bond exists at position 3;Y is hydroxy, OR.sup.2 or SR.sup.2, when a single bond exists at position 3;R is a saturated or unsaturated mono- or biheterocyclic ring, containing one or more heteroatoms selected from the group consisting of oxygen, sulfur, and nitrogen, unsubstituted or substituted by one or more of halogen, hydroxymethyl, alkoxy, amino, alkylamino, dialkylamino, cyano, nitro, sulfonamido, C.sub.1 -C.sub.6 lower alkyl or COR.sup.3 ; andR.sup.1 is hydrogen, methyl, ethyl or n-propyl substituted by OH or NR.sup.4 R.sup.5.Type: GrantFiled: September 29, 1993Date of Patent: September 17, 1996Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.Inventors: Piero Melloni, Luigi Bernardi, Mara Ferrandi, Marco Frigerio, Marina Mauro, Luisa Quadri
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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: 5538960Abstract: The present invention relates to new 17-hydrazonomethyl- and 17-hydrazono-14.beta.-hydroxy-5.beta.-androstane derivatives active on the cardiovascular system, to a process for their preparation and to pharmaceutical compositions containing same for the treatment of cardiovascular disorders, such as heart failure and hypertension.Type: GrantFiled: August 16, 1993Date of Patent: July 23, 1996Assignee: SIGMA-TAU Industrie Farmaceutiche Riunite S.p.A.Inventors: Alberto Cerri, Luigi Bernardi, Giuseppe Bianchi, Patrizia Ferrari, Elena Folpini, Piero Melloni
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Patent number: 5536714Abstract: The invention includes compounds of formula (I): ##STR1## in which R.sup.1 is hydrogen, alkyl, aryl-substituted alkyl or aromatic heterocyclic-substituted alkyl; R.sup.2 is aryl-substituted alkyl, aromatic heterocyclic-substituted alkyl or diarylamino; and R.sup.3 is carboxy or a group of formula --CONHSO.sub.2 R.sup.4 wherein R.sup.4 is alkyl; and pharmaceutically acceptable salts and esters of the compounds. The compounds have valuable 5.alpha.-reductase inhibitory activity and can thus be used for the treatment and prophylaxis of, inter alia, prostatic hypertrophy as well as other disorders arising from excess levels of 5.alpha.-dihydro-testosterone.Type: GrantFiled: January 19, 1995Date of Patent: July 16, 1996Assignee: Sankyo Company, LimitedInventors: Koichi Kojima, Hitoshi Kurata, Koki Ishibashi, Hiroyoshi Horikoshi, Takakazu Hamada
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Patent number: 5521167Abstract: The present invention relates to new cyclopentanperhydrophenanthren-17-(hydroxy or alkoxy)-17-(aryl or heterocyclyl)-3.beta.-derivatives, active on the cardiovascular system, to a process for their preparation and to pharmaceutical compositions containing them. The invention relates to compounds of general formula (I) ##STR1## wherein X is O or S and R, R.sup.1 and R.sup.2 is selected from various groups.Type: GrantFiled: September 29, 1993Date of Patent: May 28, 1996Assignee: Sigma-Tau Industrie Farmceutiche Riunite S.p.A.Inventors: Mauro Gobbini, Mara Ferrandi, Marco Frigerio, Piero Melloni, Marco Torri, Loredana Valentino
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Patent number: 5449795Abstract: A method for the preparation of a steroidal allylic tertiary alcohol is disclosed which involves the deprotonation of a sulfoxide with a strong base which is capable of deprotonating the methine proton which is .alpha. to the sulfoxide, in an inert solvent to give the anion; reaction of the anion with a steroidal spiro-2'-oxirane to give a steroidal .gamma.-hydroxysulfoxide; and thermolysis in the presence of a base other than calcium carbonate to give the steroidal allylic tertiary alcohol.Type: GrantFiled: February 14, 1994Date of Patent: September 12, 1995Assignee: CoCensys, Inc.Inventor: Derk J. Hogenkamp
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Patent number: 5389623Abstract: Compounds of the formula ##STR1## and the nontoxic pharmaceutically acceptable salt thereof, wherein D is the residue of a centrally acting drug containing at least one reactive functional group selected from the group consisting of amino, hydroxyl, mercapto, carboxyl, amide and imide, said residue being characterized by the absence of a hydrogen atom from at least one of said reactive functional groups in said drug; n is a positive integer equal to the number of said functional groups from which a hydrogen atom is absent; and [DHC] is the reduced, biooxidizable, blood-brain barrier penetrating lipoidal form of a dihydropyridine.revreaction.pyridinium salt redox carrier, said carrier comprising a bivalent radical of the formula ##STR2## wherein the alkylene group can be straight or branched and can contain 1 to 3 carbon atoms; R.sub.Type: GrantFiled: September 27, 1991Date of Patent: February 14, 1995Assignee: University Of FloridaInventor: Nicholas S. Bodor
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Patent number: 5380839Abstract: Disclosed are amino substituted steroids (XI) which contain a phenylpiperazinyl group attached to the terminal carbon atoms of the C.sub.17 -side chain, which are useful as pharmaceutical agents for treating a number of conditions.Type: GrantFiled: December 1, 1992Date of Patent: January 10, 1995Assignee: The Upjohn CompanyInventors: John M. McCall, E. Jon Jacobsen, Frederick J. VanDoornik
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Patent number: 5380841Abstract: Disclosed are amino substituted steroids (XI) which contain a pyridinylpiperazinyl group group attached to the terminal carbon atom of the C.sub.17 -side chain of the steroid which are useful as pharmaceutical agents for treating a number of conditions.Type: GrantFiled: December 1, 1992Date of Patent: January 10, 1995Assignee: The Upjohn CompanyInventors: John M. McCall, Donald E. Ayer, E. Jon Jacobsen, Frederick J. VanDoornik, John R. Palmer, Harold A. Karnes
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Patent number: 5319115Abstract: This invention provides a simplified method for converting pregnan-3,20-dione compounds to 3.alpha.-hydroxy,3.beta.-substituted-pregnanes. By selective use of reagents the unprotected dione is converted chemoselectively and diastereoselectively into a 3(R)-pregnan-3-spiro-2'oxirane-20-one intermediate. This intermediate can then be converted regioselectively by a second set of reactions to the 3.alpha.-hydroxy,3.beta.-substituted-20-one form, which can be further modified at the 20-keto position.Through this method, each ketone group is independently treated. By modifying the ketones one at a time, one can obtain the desired stereo-specificity at each site.Type: GrantFiled: March 4, 1992Date of Patent: June 7, 1994Assignee: Cocensys Inc.Inventors: Hasan Tahir, Michael Bolger, Richard Buswell, Richard Gabriel, Jay Stearns
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Patent number: 5274088Abstract: This invention relates to a method for the preparation of (25R)-26-aminocholesterol, a potent inhibitor of cholesterol biosynthesis, from (25R)-16-oxo-26-phthalimidocholesterol.Type: GrantFiled: July 2, 1992Date of Patent: December 28, 1993Assignee: New York UniversityInventor: Stephen R. Wilson
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Patent number: 5232917Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, insomnia and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-aminobutyric acid receptor-chloride ionophore (GR) complex.Type: GrantFiled: August 13, 1991Date of Patent: August 3, 1993Assignee: University of Southern CaliforniaInventors: Michael Bolger, Kelvin W. Gee, Nancy C. Lan, Delia Belelli, Seid Mirsadeghi, Robert Purdy
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Patent number: 5208227Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride ionophore (GBR) complex.Type: GrantFiled: February 13, 1991Date of Patent: May 4, 1993Assignee: University of Southern CaliforniaInventors: Kelvin W. Gee, Michael B. Bolger, Roberta E. Brinton, Deborah J. Burke, Bruce S. McEwen
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Patent number: 5202316Abstract: A compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.A, R'.sub.A, R.sub.B and R'.sub.B are individually selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms or R.sub.A and R'.sub.A or R.sub.B and R'.sub.B together with the nitrogen atom to which they are attached form a 5- to 6-member heterocycle optionally substituted with alkyl of 1 to 3 carbon atoms and Y is hydrogen or ##STR2## wherein R.sub.6 is selected from the group consisting of hydrogen, --CH.sub.3, --F and --Cl, R.sub.9 and R.sub.11 form a second bond at 9(11) or R.sub.9 is hydrogen or --F is hydrogen, --OH or .dbd.O, R.sub.16 is --CH.sub.3 or hydrogen, R.sub.17 is hydrogen, --OH or acyloxy, the dotted lines indicate the possible presence of a second bond at 1(2) and 6(7)-positions and the wavy line indicates the .alpha.- and .beta.-position and their non-toxic, pharmaceutically acceptable acid addition salts having anti-inflammatory and antioxidant activity.Type: GrantFiled: October 9, 1991Date of Patent: April 13, 1993Assignee: Roussel UclafInventors: Andre Claussner, Jacques Leclaire, Lucien Nedelec, Daniel Philibert
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Patent number: 5120723Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride ionpore (GBR) complex.Type: GrantFiled: May 10, 1990Date of Patent: June 9, 1992Assignee: University of Southern CaliforniaInventors: Kelvin W. Gee, Michael B. Bolger
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Patent number: 5081113Abstract: A compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.6 is selected from the group consisting of halogen, --CH.sub.3, fluorine and chlorine, R.sub.9 and R.sub.11 together form a second bond at 9(11) or R.sub.9 is hydrogen or fluorine and R.sub.11 is selected from the group consisnting of hydrogen, --OH and .dbd.O, the dotted lines in rings A and B indicate a possible additonal bond at 1(2) and 6(7), R.sub.17 is hydrogen or acyl or an organic carboxylic acid of 1 to 18 carbon atoms, R'.sub.17 is ##STR2## Z is selected from the group consisting of a single bond, alkylene of 1 to 5 carbon atoms and alkenylene and alkynylene of 2 to 5 carbon atoms, P is pyrimidinyl or pyridyl optionally substituted with one or two individual members of the group consisting of --NH.sub.Type: GrantFiled: March 21, 1990Date of Patent: January 14, 1992Assignee: Roussel UclafInventors: Andre Claussner, Jacques Leclaire, Lucien Nedelec, Daniel Philibert
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Patent number: 5036062Abstract: The present invention concerns novel compounds having the general formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are selected form the group consisting of hydrogen or lower alkyl having 1-4 carbon atoms, wherein R.sup.2 and R.sup.3 together with the N atom can also form a ring having 2-5 carbon atoms and wherein n is 0, 1 or 2, and pharmaceutically acceptable salts thereof.The compounds according to the invention are useful as anticancer agents.Type: GrantFiled: June 13, 1989Date of Patent: July 30, 1991Assignee: Pharmacia ABInventors: Bertil V. Hansen, Per-Olov G. Gunnarsson, Henri R. Mollberg, Sven-.ANG.ke Johansson
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Patent number: RE35517Abstract: Method, compositions, and compounds for modulating brain excitability to alleviate stress, anxiety, and seizure activity using certain steroid derivatives that act at a newly identified site on the gamma-ammobutyric acid/benzodiazepine receptor-chloride ionpore (GBR) complex.Type: GrantFiled: November 23, 1992Date of Patent: May 20, 1997Assignee: University of Southern CaliforniaInventors: Kelvin W. Gee, Michael B. Bolger, Nancy C. Lan