Patents by Inventor Wing Tom
Wing Tom 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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Publication number: 20070142394Abstract: Disclosed are compounds of the formula or a pharmaceutically acceptable salt thereof, wherein M1 is M2 is N; X is a bond, optionally substituted alkylene, alkenylene, —O—, —CH2N(R12)—, —N(R12)CH2—, —N(R12)—, —NHC(O)—, —OCH2—, —CH2O—, or —S(O)0-2—; and Y is —(CH2)1-2—, —C(?O)—, —C(?NOR13)— or —SO0-2—; or M1 is N; M2 is N or CH; X is a bond, alkylene, alkenylene, —C(O)—, —NHC(O)—, —OC(O)— or —S(O)1-2—; Y is —(CH2)1-2—, —C(?O)— or —SO0-2—; and when M2 is CH, Y is also Y is —O— or —C(?NOR13)—; Z is a bond or optionally substituted alkylene or alkenylene; U and W are CH, or one is CH and one is N; R1 is optionally substituted alkyl, cycloalkyl, aryl, arylalkyl, heteroaryl, heterocycloalkyl; R2 is optionally substituted alkyl, alkenyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl or heterocycloalkyl; and the remaining variables are as defined in the specification; and compositions and methods of treating obesity, metabolic syndrome and a cognition deficit disorder, alone or in combinationType: ApplicationFiled: December 19, 2006Publication date: June 21, 2007Inventors: Daniel Solomon, Robert Aslanian, Michael Berlin, Manuel de Lera Ruiz, Kevin McCormick, Mwangi Mutahi, Wing Tom
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Heteroatom-linked substituted piperidines and derivatives thereof useful as histamine H3 antagonists
Publication number: 20070015807Abstract: Disclosed are novel compounds of the formula or a pharmaceutically acceptable salt thereof, wherein: M1 and M3 are CH or N; M2 is CH, CF or N; Y is —C(?O)—, —C(?S)—, —(CH2)q—, —C(?NOR7)— or —SO1-2—; Z is a bond or optionally substituted alkylene or alkenylene; R1 is H, or alkyl, cycloalkyl, aryl, heteroaryl, heterocycloalkyl, all optionally substituted, or a group of the formula: where ring A is a heteroaryl ring; R2 is optionally substituted alkyl, alkenyl, aryl, heteroaryl, cycloalkyl or heterocycloalkyl; R3 is H, —C(O)NH2, or alkyl, aryl, cycloalkyl, heterocycloalkyl or heteroaryl, all optionally substituted; and the remaining variables are as defined in the specification; compositions and methods of treating allergy-induced airway responses, congestion, obesity, metabolic syndrome, alcoholic fatty liver disease, hepatic steatosis, nonalcoholic steatohepatitis, cirrhosis, hepatacellular carcinoma and cognition deficit disorders using said compounds, alone or in combination with other ageType: ApplicationFiled: June 19, 2006Publication date: January 18, 2007Inventors: Robert Aslanian, Michael Berlin, Christopher Boyce, Jianhua Chao, Manuel de Lera Ruiz, Pietro Mangiaracina, Kevin McCormick, Mwangi Mutahi, Stuart Rosenblum, Neng-Yang Shih, Daniel Solomon, Wing Tom, Henry Vaccaro, Junying Zheng, Xiaohong Zhu -
Publication number: 20070010513Abstract: Disclosed are compounds of the formula or a pharmaceutically acceptable salt thereof, wherein: M1 and M3 are CH or N; M2 is CH, CF or N; Y is —C(?O)—, —C(?S)—, —(CH2)q—, —C(?NOR7)— or —SO1-2—; Z is a bond or optionally substituted alkylene or alkenylene; R1 is H, alkyl, alkenyl, or optionally substituted cycloalkyl, aryl, heteroaryl, heterocycloalkyl or a group of the formula: where ring A is a monoheteroaryl ring; R1 is optionally substituted alkyl, alkenyl, aryl, heteroaryl, cycloalkyl or heterocycloalkyl; and the remaining variables are as defined in the specification; compositions and methods of treating allergy-induced airway responses, congestion, obesity, metabolic syndrome nonalcoholic fatty liver disease, hepatic steatosis, nonalcoholic steatohepatitis, cirrhosis, hepatacellular carcinoma or cognition deficit disorders using said compounds, alone or in combination with other agents.Type: ApplicationFiled: June 19, 2006Publication date: January 11, 2007Inventors: Robert Aslanian, Michael Berlin, Ying Huang, Kevin McCormick, Mwangi Mutahi, Neng-Yang Shih, Pauline Ting, Wing Tom, Junying Zheng
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Publication number: 20060166960Abstract: Disclosed are compounds of the formula or a pharmaceutically acceptable salt or solvate thereof, wherein: n is 2-5; R is R3-aryl, R3-heteroaryl, R3-cycloalkyl, R3-heterocycloalkyl, alkyl, haloalkyl, —OR4, —SR4 or —S(O)1-2R5; R1 and R2 are H or optionally substituted phenyl or optionally substituted ?and X is —O— or —S—; or R1 and R2, together with the carbon atoms to which they are attached form optionally substituted ?and X is —O—, —S— or —NR7—; Z is and the remaining variables are as defined in the specification; also disclosed are pharmaceutical compositions comprising the compounds of formula I; also disclosed are methods of treating allergy, allergy-induced airway responses, congestion, obesity and metabolic syndrome using the compounds of Formula I, as well as combinations with other drugs useful for treating those diseases.Type: ApplicationFiled: January 19, 2006Publication date: July 27, 2006Inventors: Robert Aslanian, Wing Tom, Xiaohong Zhu
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Patent number: 6498168Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) wherein R, R1, R2, R3, R4, R21, R27, R28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula or other compounds capable of enhancing acetylcholine release with acetylcholinesterase inhibitors.Type: GrantFiled: July 11, 2001Date of Patent: December 24, 2002Assignee: Schering CorporationInventors: Derek Lowe, Wei Chang, Joseph Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W Clader, Samuel Chackalamannil, Wang Yuguang, Stuart W. McCombie, Jayaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom
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Publication number: 20020103205Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) 1Type: ApplicationFiled: July 11, 2001Publication date: August 1, 2002Inventors: Derek Lowe, Wei Chang, Joseph Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W. Clader, Samuel Chackalamannil, Wang Yuguang, Stuart W. McCombie, Jayaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom
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Patent number: 6288068Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) wherein R, R1, R2, R3, R4, R21, R27, R28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula or other compounds capable of enhancing acetylcholine release with acetylcholinesterase inhibitors.Type: GrantFiled: January 12, 2000Date of Patent: September 11, 2001Assignee: Schering CorporationInventors: Derek Lowe, Wei Chang, Joseph Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W Clader, Samuel Chackalamannil, Wang Yuguang, Stuart W. McCombie, Javaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom
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Patent number: 6043255Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula with acetylcholinesterase inhibitors.Type: GrantFiled: March 10, 1999Date of Patent: March 28, 2000Assignee: Schering CorporationInventors: Derek B. Lowe, Wei K. Chang, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W Clader, Samuel Chackalamannil, Yuguang Wang, Stuart W. McCombie, Jayaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom, Craig D. Boyle
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Patent number: 6037352Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula or other compounds capable of enhancing acetylcholine release with acetylcholinesterase inhibitors.Type: GrantFiled: November 19, 1998Date of Patent: March 14, 2000Assignee: Schering CorporationInventors: Derek Lowe, Wei Chang, Joseph Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W Clader, Samuel Chackalamannil, Wang Yuguang, Stuart W. McCombie, Jayaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom
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Patent number: 5889006Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula with acetylcholinesterase inhibitors.Type: GrantFiled: August 8, 1996Date of Patent: March 30, 1999Assignee: Schering CorporationInventors: Derek B. Lowe, Wei K. Chang, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W. Clader, Samuel Chackalamannil, Yuguang Wang, Stuart W. McCombie, Jayaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom, Craig D. Boyle
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Patent number: 5883096Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds of formula I ##STR1## wherein one of Y and Z is N and the other is N, CH, or C-alkyl;X is --O--, --SO.sub.0-2 --, amino, substituted amino, --CO--, --CH.sub.2 --, mono or di-substituted methylene, --CS--, --CONR.sup.20 --, --NR.sup.20 --SO.sub.2 --, --NR.sup.20 CO--, --SO.sub.2 NR.sup.20 --, --CH.dbd.CH--, --C.tbd.C-- or --NHC(O)NH--;R is optionally substituted phenyl, aryl or cycloalkyl, or other substituents as defined in the specification;R.sup.1 and R.sup.21 are H, CN or optionally substituted alkyl, or other substituents as defined in the specification;R.sup.2 is optionally substituted cycloalkyl or piperidyl, or other substituents as defined in the specification; andR.sup.3, R.sup.4, R.sup.5, R.sup.20, R.sup.27 and R.sup.Type: GrantFiled: February 16, 1996Date of Patent: March 16, 1999Assignee: Schering CorporationInventors: Derek Lowe, Wei Chang, Joseph Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W. Clader, Samuel Chackalamannil, Wang Yuguang, Stuart W. McCombie, Jayaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom