Patents by Inventor Jien-Heh J. Tien
Jien-Heh J. Tien 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: 7498449Abstract: The invention comprises compounds of Formula 1: wherein, R1 is independently H or halogen; R2 is, for example, H or —R10—NR11R12, and wherein R10 is C1-C6 alkyl, and R11 and R12 are independently H, C1-C4 alkyl, and hydrates, solvates, salts and tautomers thereof. The invention further comprises methods for making the compounds of the invention and methods for making compounds useful in the treatment or prevention of cardiac arrhythmia from the compounds of the invention.Type: GrantFiled: July 14, 2006Date of Patent: March 3, 2009Assignee: ARYx TherapeuticsInventors: Pascal Druzgala, Jien-Heh J. Tien, Arthur J. Cooper, Cyrus Becker
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Patent number: 7279582Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.Type: GrantFiled: October 25, 2002Date of Patent: October 9, 2007Assignee: Abbott LaboratoriesInventors: Eric J. Stoner, Arthur J. Cooper, Lawrence Kolaczkowski, Ketan M. Patel, Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Daniel A. Dickman, Patricia A. Oliver, Jien-Heh J. Tien
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Patent number: 7189849Abstract: Novel processes towards the synthesis of the antiviral valomaciclovir stearate in which an esterified guanine acetal is reduced to the corresponding alcohol, reacted with an activated amino acid and N-deprotected. The esterified guanine acetal is prepared from a 9-guanine derivative bearing an acyclic hydroxymethylbutylacetal. The processes are amendable to one-pot reactions.Type: GrantFiled: May 18, 2005Date of Patent: March 13, 2007Assignee: Medivir ABInventors: M. Robert Leanna, Michael Rasmussen, Steven M. Hannick, Jien-Heh J. Tien, Kirill A. Lukin, Zhenping Tian, Sou-Jen Chang, Cynthia B. Curty, Bikshandarkoil A. Narayanan, John Bellettini, Bhadra Shelat, Tiffany Spitz
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Patent number: 7074932Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.Type: GrantFiled: May 7, 2003Date of Patent: July 11, 2006Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
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Publication number: 20040248910Abstract: Methods and novel intermediates for the preparation of acyclic nucleoside derivatives of the formula: 1Type: ApplicationFiled: June 17, 2004Publication date: December 9, 2004Applicant: Medivir ABInventors: M. Robert Leanna, Steven M. Hannick, Michael Rasmussen, Jien-Heh J. Tien, Lakshmi Bhagavatula, Pulla Reddy Singam, Bradley D. Gates, Lawrence Kolaczkowski, Ramesh R. Patel, Greg Wayne, Greg Lannoye, Weijiang Zhang, Zhenping Tian, Kirill A. Lukin, Bikshandarkoil A. Narayanan, David A. Riley, Howard Morton, Sou-Jen Chang, Cynthia B. Curty, Daniel Plata, John Bellettini, Bhadra Shelat, Tiffany Spitz, Cheng-Xi Yang
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Publication number: 20030199696Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.Type: ApplicationFiled: May 7, 2003Publication date: October 23, 2003Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
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Patent number: 6579986Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.Type: GrantFiled: April 29, 2002Date of Patent: June 17, 2003Assignee: Abbott LaboratoriesInventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
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Publication number: 20020165390Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.Type: ApplicationFiled: April 29, 2002Publication date: November 7, 2002Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
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Patent number: 6437106Abstract: In one aspect, the invention relates to a process for preparing 6-O-substituted erythromycin derivatives comprising reacting 2′-substituted and optionally 4″-substituted 9-oxime erythromycin derivatives with an alkylating agent in the presence of a palladium catalyst and phosphine. In another aspect, the invention relates to processes for preparing 6-O-substituted erythromycin ketolides using the palladium-catalyzed alkylation reaction.Type: GrantFiled: March 3, 2000Date of Patent: August 20, 2002Assignee: Abbott LaboratoriesInventors: Eric J. Stoner, Matthew J. Peterson, Yi-Yin Ku, Russell D. Cink, Arthur J. Cooper, Mahendra N. Deshpande, Tim Grieme, Anthony R. Haight, David R. Hill, Margaret Chi-Ping Hsu, Steven A. King, Marvin Robert Leanna, Elaine C. Lee, Maureen A. McLaughlin, Howard E. Morton, James J. Napier, Daniel J. Plata, Prasad S. Raje, Michael Rasmussen, David Riley, Jien-Heh J. Tien, Steven J. Wittenberger
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Patent number: 6417366Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.Type: GrantFiled: March 3, 2000Date of Patent: July 9, 2002Assignee: Abbott LaboratoriesInventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
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Publication number: 20020013468Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.Type: ApplicationFiled: March 3, 2000Publication date: January 31, 2002Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul Nichols, Hermant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
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Patent number: 6184376Abstract: Methods and novel intermediates of the formula: wherein R6 and R7 are lower alkyl or benzyl or R6 and R7 taken together are —CH2CH2—, —CH2CH2CH2— or —CH2CH2CH2CH2CH2—, R8 is C1-C21 alkyl or a C2-C21 monounsaturated alkenyl, which may optionally be substituted with substitution substituents independently selected from the group consisting of hydroxy, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 alkoxy C1-C6 alkyl, C1-C6 alkanoyl, amino, halo, cyano, azido, oxo, mercapto and nitro, and R9 is an alcohol protecting group. The intermediates are useful for the preparation of acyclic nucleoside derivatives of the formula: where one of R1 and R2 is an amino acid acyl group and the other of R1 and R2 is a —C(O)C3-C21 saturated or monounsaturated, optionally substituted alkyl and R3 is OH or H; or a pharmaceutically acceptable salt thereof.Type: GrantFiled: August 6, 1998Date of Patent: February 6, 2001Assignee: Mediver ABInventors: M. Robert Leanna, Steven M. Hannick, Michael Rasmussen, Jien-Heh J. Tien, Lakshmi Bhagavatula, Pulla Reddy Singam, Bradley D. Gates, Lawrence Kolaczkowski, Ramesh R. Patel, Greg Wayne, Greg Lannoye, Weijiang Zhang, Zhenping Tian, Kirill A. Lukin, Bikshandarkoil A. Narayanan, David A. Riley, Howard Morton, Sou-Jen Chang, Cynthia B. Curty, Daniel Plata, John Bellettini, Bhadra Shelat, Tiffany Spitz, Cheng-Xi Yang
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Patent number: 5786500Abstract: Intermediates and processes are disclosed which are useful for the preparation of a substantially pure compound of the formula: ##STR1## wherein R.sub.6 and R.sub.7 are each hydrogen or R.sub.6 and R.sub.7 are independently selected from ##STR2## wherein R.sub.a and R.sub.b are independently selected from hydrogen, loweralkyl and phenyl and R.sub.c, R.sub.d and R.sub.e are independently selected from hydrogen, loweralkyl, trifluoromethyl, alkoxy, halo and phenyl; and ##STR3## wherein the naphthyl ring is unsubstituted or substituted with one, two or three substituents independently selected from loweralkyl, trifluoromethyl, alkoxy and halo; orR.sub.6 is as defined above and R.sub.7 is R.sub.7a OC(O)-- wherein R.sub.7a is loweralkyl or benzyl; orR.sub.6 and R.sub.7 taken together with the nitrogen atom to which they are bonded are ##STR4## wherein R.sub.f, R.sub.g, R.sub.h and R.sub.i are independently selected from hydrogen, loweralkyl, alkoxy, halogen and trifluoromethyl and R.sub.Type: GrantFiled: March 28, 1996Date of Patent: July 28, 1998Assignee: Abbott LaboratoriesInventors: Michael S. Allen, Jien-Heh J. Tien
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Patent number: 5654466Abstract: Intermediates and processes are disclosed which are useful for the preparation of a substantially pure compound of the formula: ##STR1## wherein R.sub.6 and R.sub.7 are each hydrogen or R.sub.6 and R.sub.7 are independently selected from ##STR2## wherein R.sub.a and R.sub.b are independently selected from hydrogen, loweralkyl and phenyl and R.sub.c, R.sub.d and R.sub.e are independently selected from hydrogen, loweralkyl, trifluoromethyl, alkoxy, halo and phenyl; and ##STR3## wherein the naphthyl ring is unsubstituted or substituted with one, two or three substitutents independently selected from loweralkyl, trifluoromethyl, alkoxy and halo; orR.sub.6 is as defined above and R.sub.7 is R.sub.7a OC(O)-- wherein R.sub.7a is loweralkyl or benzyl; orR.sub.6 and R.sub.7 taken together with the nitrogen atom to which they are bonded are ##STR4## wherein R.sub.f, R.sub.g, R.sub.h and R.sub.i are independently selected from hydrogen, loweralkyl, alkoxy, halogen and trifluoromethyl and R.sub.Type: GrantFiled: February 29, 1996Date of Patent: August 5, 1997Assignee: Abbott LaboratoriesInventors: Timothy L. Stuk, Michael S. Allen, Anthony R. Haight, Howard E. Morton, Daniel S. Reno, Hing Leung Sham, Thomas J. Sowin, Jien-Heh J. Tien
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Patent number: 5625092Abstract: Intermediates and processes are disclosed which are useful for the preparation of a substantially pure compound of the formula: ##STR1## wherein R.sub.6 and R.sub.7 are each hydrogen or R.sub.6 and R.sub.7 are independently selected from ##STR2## wherein R.sub.a and R.sub.b are independently selected from hydrogen, loweralkyl and phenyl and R.sub.c, R.sub.d and R.sub.e are independently selected from hydrogen, loweralkyl, trifluoromethyl, alkoxy, halo and phenyl; and ##STR3## wherein the naphthyl ring is unsubstituted or substituted with one, two or three substitutents independently selected from loweralkyl, trifluoromethyl, alkoxy and halo; orR.sub.6 is as defined above and R.sub.7 is R.sub.7a OC(O)-- wherein R.sub.7a is loweralkyl or benzyl; orR.sub.6 and R.sub.7 taken together with the nitrogen atom to which they are bonded are ##STR4## wherein R.sub.f, R.sub.g, R.sub.h and R.sub.i are independently selected from hydrogen, loweralkyl, alkoxy, halogen and trifluoromethyl and R.sub.Type: GrantFiled: April 10, 1995Date of Patent: April 29, 1997Assignee: Abbott LaboratoriesInventors: Timothy L. Stuk, Michael S. Allen, Anthony R. Haight, Francis A. J. Kerdesky, Denton C. Langridge, M. Robert Leanna, Linda M. Lijewski, Laura Melcher, Howard E. Morton, Daniel W. Norbeck, Daniel S. Reno, Timothy A. Robbins, David Scarpetti, Hing L. Sham, Thomas J. Sowin, Jien-Heh J. Tien, Chen Zhao
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Patent number: 5616776Abstract: Intermediates and processes are disclosed which are useful for the preparation of a substantially pure compound of the formula: ##STR1## wherein R.sub.6 and R.sub.7 are each hydrogen or R.sub.6 and R.sub.7 are independently selected from ##STR2## wherein R.sub.a and R.sub.b are independently selected from hydrogen, loweralkyl and phenyl and R.sub.c, R.sub.d and R.sub.e are independently selected from hydrogen, loweralkyl, trifluoromethyl, alkoxy, halo and phenyl; and ##STR3## wherein the naphthyl ring is unsubstituted or substituted with one, two or three substitutents independently selected from loweralkyl, trifluoromethyl, alkoxy and halo; orR.sub.6 is as defined above and R.sub.7 is R.sub.7a OC(O)-- wherein R.sub.7a is loweralkyl or benzyl; orR.sub.6 and R.sub.7 taken together with the nitrogen atom to which they are bonded are ##STR4## wherein R.sub.f, R.sub.g, R.sub.h and R.sub.i are independently selected from hydrogen, loweralkyl, alkoxy, halogen and trifluoromethyl and R.sub.Type: GrantFiled: April 7, 1995Date of Patent: April 1, 1997Assignee: Abbott LaboratoriesInventors: Timothy L. Stuk, Anthony R. Haight, Francis A. J. Kerdesky, M. Robert Leanna, Howard E. Morton, Timothy A. Robbins, David Scarpetti, Jien-Heh J. Tien
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Patent number: 5569777Abstract: Intermediates and processes are disclosed which are useful for the preparation of a substantially pure compound of the formula: ##STR1## wherein R.sub.6 and R.sub.7 are each hydrogen or R.sub.6 and R.sub.7 are independently selected from ##STR2## wherein R.sub.a and R.sub.b are independently selected from hydrogen, loweralkyl and phenyl and R.sub.c, R.sub.d and R.sub.e are independently selected from hydrogen, loweralkyl, trifluoromethyl, alkoxy, halo and phenyl; and ##STR3## wherein the naphthyl ring is unsubstituted or substituted with one, two or three substitutents independently selected from loweralkyl, trifluoromethyl, alkoxy and halo; orR.sub.6 is as defined above and R.sub.7 is R.sub.7a OC(O)-- wherein R.sub.7a is loweralkyl or benzyl; orR.sub.6 and R.sub.7 taken together with the nitrogen atom to which they are bonded are ##STR4## wherein R.sub.f, R.sub.g, R.sub.h and R.sub.i are independently selected from hydrogen, loweralkyl, alkoxy, halogen and trifluoromethyl and R.sub.Type: GrantFiled: April 7, 1995Date of Patent: October 29, 1996Assignee: Abbott LaboratoriesInventors: Timothy L. Stuk, Anthony R. Haight, Howard E. Morton, Timothy A. Robbins, David Scarpetti, Jien-Heh J. Tien
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Patent number: 5567823Abstract: Processes are disclosed for the preparation of (2S,3S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)car bonyl)-L-valinyl) amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhex ane or an acid addition salt thereof and (2S,3S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl) methyl)amino)carbonyl)-D-valinyl)amino)-2-(N-((5-thiazolyl) methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhexane or an acid addition salt thereof.Type: GrantFiled: June 6, 1995Date of Patent: October 22, 1996Assignee: Abbott LaboratoriesInventors: Jien-Heh J. Tien, Jerome A. Menzia, Arthur J. Cooper
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Patent number: 5565418Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.Type: GrantFiled: April 5, 1995Date of Patent: October 15, 1996Assignee: Abbott LaboratoriesInventors: Dale J. Kempf, Daniel W. Norbeck, Hing L. Sham, Chen Zhao, Thomas J. Sowin, Daniel S. Reno, Michael S. Allen, Arthur J. Copper, Jien-Heh J. Tien
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Patent number: 5543549Abstract: Intermediates and processes are disclosed which are useful for the preparation of a substantially pure compound of the formula: ##STR1## wherein R.sub.6 and R.sub.7 are each hydrogen or R.sub.6 and R.sub.7 are independently selected from ##STR2## wherein R.sub.a and R.sub.b are independently selected from hydrogen, loweralkyl and phenyl and R.sub.c, R.sub.d and R.sub.e are independently selected from hydrogen, loweralkyl, trifluoromethyl, alkoxy, halo and phenyl; and ##STR3## wherein the naphthyl ring is unsubstituted or substituted with one, two or three substitutents independently selected from loweralkyl, trifluoromethyl, alkoxy and halo; orR.sub.6 is as defined above and R.sub.7 is R.sub.7a OC(O)-- wherein R7a is loweralkyl or benzyl; orR.sub.6 and R.sub.7 taken together with the nitrogen atom to which they are bonded are ##STR4## wherein R.sub.f, R.sub.g, R.sub.h and R.sub.i are independently selected from hydrogen, loweralkyl, alkoxy, halogen and trifluoromethyl and R.sub.Type: GrantFiled: April 3, 1995Date of Patent: August 6, 1996Assignee: Abbott LaboratoriesInventors: Timothy L. Stuk, Michael S. Allen, Anthony R. Haight, Howard E. Morton, Daniel S. Reno, Hing L. Sham, Thomas J. Sowin, Jien-Heh J. Tien