Patents by Inventor John Potoski
John Potoski 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: 7786297Abstract: Micronized tanaproget, purified tanaproget Form I, and micronized, purified tanaproget Form I are provided. Also provided are compositions containing one or more of the prepared tanaproget forms, methods of using one or more of the prepared tanaproget forms, and kits containing one or more of the prepared tanaproget forms.Type: GrantFiled: April 26, 2006Date of Patent: August 31, 2010Assignee: Wyeth LLCInventors: Ramarao Chatlapalli, Arwinder Nagi, John Potoski, Jean Louise Helom, Bogdan Kazimierz Wilk, Arkadiy Zinoviy Rubezhov, Vladimir Dragan
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Publication number: 20090264648Abstract: The present invention provides compounds and compositions, methods of making them, and methods of using them to modulate ?7 nicotinic acetylcholine receptors and/or to treat any of a variety of disorders, diseases, and conditions. Provided compounds can affect, among other things, neurological, psychiatric and/or inflammatory system.Type: ApplicationFiled: January 14, 2009Publication date: October 22, 2009Applicants: WYETH, SIENA BIOTECH S.P.A.Inventors: Warren Chew, Zheng Wang, Gloria Cheal, Martial Bertrand, John Potoski, Mahmoud Mirmehrabi, Arianna Nencini, Riccardo Zanaletti
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Patent number: 7601857Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.Type: GrantFiled: August 22, 2005Date of Patent: October 13, 2009Assignee: WyethInventors: Sreenivasulu Megati, Galina Vid, Arthur G. Mohan, Panolil Raveendranath, John Potoski
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Publication number: 20090023930Abstract: Methods for preparing compound of formula (I) are described, wherein R1-R3 are defined herein, as are methods for preparing the intermediates formed therein. Also described are methods for enantioselectively preparing a chiral compound of the following structure, wherein R2 and R3 are defined herein.Type: ApplicationFiled: July 14, 2008Publication date: January 22, 2009Applicant: WyethInventors: Asaf Alimardanov, Antonia Nikitenko, Gregg Feigelson, John Potoski
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Publication number: 20090023903Abstract: A novel trifluoroacetylating agent, i.e., N-trifluoroacetylmorpholine, is described. This reagent is useful in the preparation of phenyl and heterocyclic sulfonamide compounds. Methods are therefore described for preparing sulfonamide compounds of the following structure, wherein R1 and R2 are defined herein, using N-trifluoroacetylmorpholine. The sulfonamide compounds that may be prepared as described herein include 5-chloro-thiophene-2-sulfonic acid [(1S,2R)-2-(3,5-difluoro-phenyl)-3,3,3-trifluoro-1-hydroxymethyl-propyl]-amide using N-trifluoroacetylmorpholine.Type: ApplicationFiled: July 14, 2008Publication date: January 22, 2009Applicant: WyethInventors: Terrence Joseph Connolly, Anita Wai-Yin Chan, Zhixian Ding, Mousumi Ghosh, Xinxu Shi, Jianxin Ren, Eric Hansen, Roger Farr, Michael MacEwan, Asaf Alimardanov, Antonia Nikitenko, John Potoski
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Patent number: 7476752Abstract: The present invention provides processes for the preparation of compounds of Formula I, which are useful in the preparation of pharmaceuticals for the treatment of inflammatory diseases. The compounds of Formula I are also useful as pharmaceuticals.Type: GrantFiled: June 9, 2005Date of Patent: January 13, 2009Assignee: WyethInventors: Weiguo Liu, John L. Considine, Zhixian Ding, John Potoski
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Publication number: 20080071091Abstract: The present invention provides processes for the preparation of substituted naphthylindole derivatives that can be used as inhibitors of plasminogen activator inhibitor-1 (PAI-1). In certain embodiments of the invention, the processes involve reactions that include one or more of an Oppenauer oxidation, a Fischer indole synthesis, a methyl ether cleavage, or coupling a substituted methyltetrazole with a substituted naphthol.Type: ApplicationFiled: November 28, 2007Publication date: March 20, 2008Applicant: WyethInventors: Vladimir DRAGAN, John Potoski, Wayne McMahon, Jean Helom, Xinxu Shi
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Publication number: 20080058521Abstract: The present invention provides improved synthetic methods for the preparation of compounds that modulate proliferation or differentiation in a cell or tissue.Type: ApplicationFiled: January 25, 2007Publication date: March 6, 2008Applicant: WyethInventors: Lalitha Krishnan, David Blum, Anja Dilley, Sherry Pan, John Potoski, Uresh Shah, Archana Sharma, Henry Strong, Yanzhong Wu, Mei-Yi Zhang, Cynthia Blum
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Publication number: 20080051585Abstract: Processes for dialkylating indolinones, specifically indolin-2-ones are provided. The processes for dialkylating an indolin-2-one include performing the dialkylation in the presence of at least 2 equivalents of a first base, a second base containing at least 1 equivalent of lithium diisopropylamide, and an alkylating agent. Processes for preparing a compound of the structure are provided, wherein R1, R3, R4, R6, R7, R9, and R10 are as defined herein. In one embodiment, a process for preparing 5-(4?-fluoro-2?-oxospiro[cyclopropane-1,3?-indoline]-5?-yl)-1-methyl-1H-pyrrole-2-carbonitrile is provided.Type: ApplicationFiled: August 15, 2007Publication date: February 28, 2008Applicant: WyethInventors: Alexander Gontcharov, John Potoski
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Publication number: 20070129377Abstract: Processes are disclosed for preparing substituted aryl cycloalkanol derivatives, particularly chiral substituted aryl cycloalkanol derivatives of the general formula:Type: ApplicationFiled: December 4, 2006Publication date: June 7, 2007Applicant: WyethInventors: Alexander Gontcharov, Antonia Nikitenko, Jean Schmid, John Potoski
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Publication number: 20060247236Abstract: Micronized tanaproget, purified tanaproget Form I, and micronized, purified tanaproget Form I are provided. Also provided are compositions containing one or more of the prepared tanaproget forms, methods of using one or more of the prepared tanaproget forms, and kits containing one or more of the prepared tanaproget forms.Type: ApplicationFiled: April 26, 2006Publication date: November 2, 2006Applicant: WyethInventors: Ramarao Chatlapalli, Arwinder Nagi, John Potoski, Jean Helom, Bogdan Wilk, Arkadiy Rubezhov, Vladimir Dragan
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Publication number: 20060183917Abstract: The present invention provides processes for the preparation of substituted naphthylindole derivatives that can be used as inhibitors of plasminogen activator inhibitor-1(PAI-1). In certain embodiments of the invention, the processes involve reactions that include one or more of an Oppenauer oxidation, a Fischer indole synthesis, a methyl ether cleavage, or coupling a substituted methyltetrazole with a substituted naphthol.Type: ApplicationFiled: January 25, 2006Publication date: August 17, 2006Applicant: WyethInventors: Vladimir Dragan, John Potoski, Wayne McMahon, Jean Helom, Xinxu Shi
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Publication number: 20060111438Abstract: The present invention concerns production of a compound of the formula or a pharmaceutically acceptable salt thereof by a process which utilizes the cyclization of a compound of the formula: where Ar, Y, R1, Ry, R2, and m are as defined herein.Type: ApplicationFiled: October 21, 2005Publication date: May 25, 2006Applicant: WyethInventors: Alexander Gontcharov, Gulnaz Khafizova, John Potoski, Qing Yu, Chia-Cheng Shaw, Gary Stack, Dahui Zhou
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Publication number: 20050288268Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.Type: ApplicationFiled: August 22, 2005Publication date: December 29, 2005Applicant: WyethInventors: Sreenivasulu Megati, Galina Vid, Arthur Mohan, Panolil Raveendranath, John Potoski
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Publication number: 20050282820Abstract: The present invention relates to methods of making Gonadotropin Releasing Hormone (“GnRH”) (also known as Leutinizing Hormone Releasing Hormone) receptor antagonists.Type: ApplicationFiled: June 16, 2005Publication date: December 22, 2005Applicant: WyethInventors: Alexander Gontcharov, Gulnaz Khafizova, John Potoski, Donna Huryn
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Publication number: 20050277784Abstract: The present invention provides processes for the preparation of compounds of Formula III that are useful in the preparation of pharmaceuticals for the treatment of inflammatory diseases.Type: ApplicationFiled: June 9, 2005Publication date: December 15, 2005Applicant: WyethInventors: Weiguo Liu, John Considine, Zhixian Ding, John Potoski
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Publication number: 20050277783Abstract: The present invention provides processes for the preparation of compounds of Formula I, which are useful in the preparation of pharmaceuticals for the treatment of inflammatory diseases. The compounds of Formula I are also useful as pharmaceuticals.Type: ApplicationFiled: June 9, 2005Publication date: December 15, 2005Applicant: WyethInventors: Weiguo Liu, John Considine, Zhixian Ding, John Potoski
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Patent number: 6956126Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.Type: GrantFiled: July 2, 2003Date of Patent: October 18, 2005Assignee: WyethInventors: Sreenivasulu Megati, Galina Vid, Arthur Mohan, Panolil Raveendranath, John Potoski
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Publication number: 20050038026Abstract: The present invention provides a new process and intermediates for the production of antiviral compound 4?,4-bis-{4,6-bis-[3-(bis-carbamoyl-methyl-1-sulfamoyl)-phenylamino]-[1,3,5]triazin-2-ylamino}-biphenyl-2,2?-disulfonic acid and its pharmaceutically acceptable salts.Type: ApplicationFiled: September 22, 2004Publication date: February 17, 2005Applicant: WYETHInventors: Silvio Iera, Christopher Demerson, Jacqueline Lunetta, Maria Papamichelakis, Michael MacEwan, Wayne McMahon, John Potoski, Arthur Mohan
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Publication number: 20040044234Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.Type: ApplicationFiled: July 2, 2003Publication date: March 4, 2004Applicant: WyethInventors: Sreenivasulu Megati, Galina Vid, Arthur G. Mohan, Panolil Raveendranath, John Potoski