Patents by Inventor Anthony K. L. Fung

Anthony K. L. Fung 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).

  • Patent number: 5831115
    Abstract: The present invention provides a compound of the formula ##STR1## or a pharmaceutically acceptable salt thereof, which are useful for inhibiting protein farnesyltransferase and the farnesylation of the oncogene protein Ras or inhibiting de novo squalene production resulting in the inhibition of cholesterol biosynthesis, processes for the preparation of the compounds of the invention in addition to intermediates useful in these processes, a pharmaceutical composition, and to methods of using such compounds.
    Type: Grant
    Filed: April 11, 1996
    Date of Patent: November 3, 1998
    Assignee: Abbott Laboratories
    Inventors: David L Arendsen, William R. Baker, Stephen A Fakhoury, Anthony K. L. Fung, David S. Garvey, William J. McClellan, Stephen J. O'Connor, Rajnandan N. Prasad, Todd W. Rockway, Saul H. Rosenberg, Herman H. Stein, Wang Shen, David M. Stout, Gerard M. Sullivan, David J. Augeri
  • Patent number: 5783593
    Abstract: The present invention provides a compound of the formula ##STR1## which inhibit squalene synthetase and cholesterol biosynthesis and are useful in the treatment of e.g., hyperlipidaemia, atherosclerosis, or fungal infections, processes for the preparation of the compounds of the invention, intermediates useful in these processes, and pharmaceutical compositions containing the compounds.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: July 21, 1998
    Assignee: Abbott Laboratories
    Inventors: William R. Baker, Saul H. Rosenberg, Anthony K. L. Fung, Todd W. Rockway, Stephen A. Fakhoury, David S. Garvey, B. Gregory Donner, Stephen J. O'Connor, Rajnandan N. Prasad, Wang Shen, David M. Stout, Gerard M. Sullivan
  • Patent number: 5726182
    Abstract: Antibacterial compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, selected preferred examples of which include those compounds whereinA is .dbd.CR.sup.6 --;R.sup.1 is cycloalkyl of from three to eight carbon atoms or substituted phenyl;R.sup.2 is selected from the group consisting of ##STR2## R.sup.3 is halogen; R.sup.4 is hydrogen, loweralkyl, a pharmaceutically acceptable cation, or a prodrug ester group;R.sup.5 is hydrogen, loweralkyl, halo(loweralkyl), or --NR.sup.13 R.sup.14 ; andR.sup.6 is halogen, loweralkyl, halo(loweralkyl), hydroxy-substituted loweralkyl, loweralkoxy(loweralkyl), loweralkoxy, or amino(loweralkyl),as well as pharmaceutical compositions containing such compounds and the use of the same in the treatment of bacterial infections.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 10, 1998
    Assignee: Abbott Laboratories
    Inventors: Daniel T. Chu, Qun Li, Curt S. Cooper, Anthony K. L. Fung, Cheuk M. Lee, Jacob J. Plattner, Zhenkun Ma, Wei-Bo Wang
  • Patent number: 5668164
    Abstract: Process for preparation of chiral cis-3,4-substituted pyrrolidine compounds having the formulas: ##STR1## and chiral 3,4-trans-substituted pyrrolidine compounds having the formulas: ##STR2## with the assistance of a streochemically directing chiral oxazolidinone moiety having the formula: ##STR3## wherein P, R and R.sup.1 are specifically defined, by sequential reaction of the compound or subsequent intermediates with an a,b-unsaturated add chloride, reaction with N-benzyl-N-(methoxymethyl)trimethyl-silylmethylamine and separating isomers by chromatography, hydrolytic removal of the oxazolidinone moiety, reaction with diphenylphosphoryl azide and triethylamine, and debenzylating; and novel intermediates of the process.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: September 16, 1997
    Assignee: Abbott Laboratories
    Inventors: Zhenkun Ma, Curt S. Cooper, Anthony K. L. Fung, Daniel T. Chu
  • Patent number: 5631401
    Abstract: The present invention provides a compound of the formula ##STR1## or a pharmaceutically acceptable salt thereof, which are useful in inhibiting protein farnesyltransferase and the farnesylation of the oncogene protein Ras or inhibiting de novo squalene production resulting in the inhibition of cholesterol biosynthesis, processes for the preparation of the compounds of the invention in addition to intermediates useful in these processes, a pharmaceutical composition, and to methods of using such compounds.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: May 20, 1997
    Assignee: Abbott Laboratories
    Inventors: Herman H. Stein, William R. Baker, Anthony K. L. Fung, Saul H. Rosenberg, Todd W. Rockway, Stephen A. Fakhoury, David S. Garvey, B. Gregory Donner, William J. McClellan, Stephen J. O'Connor, Rajnandan Prasad, Wang Shen, Gerard M. Sullivan
  • Patent number: 5618949
    Abstract: Process for preparation of chiral cis-3,4-substituted pyrrolidine compounds having the formulas ##STR1## and chiral 3,4-trans-substituted pyrrolidine compounds having the formulas ##STR2## with the assistance of a stereochemically directing chiral oxazolidinone moiety having the formula ##STR3## wherein P, R and R.sup.1 are specifically defined, by sequential reaction of the compound or subsequent intermediates with an a,b-unsaturated acid chloride, reaction with N-benzyl-N-(methoxymethyl)trimethylsilylmethylamine and separating isomers by chromatography, hydrolytic removal of the oxazolidinone moiety, reaction with diphenylphosphoryl azide and triethylamine, and debenzylating; and novel intermediates of the process.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: April 8, 1997
    Assignee: Abbott Laboratories
    Inventors: Zhenkun Ma, Curt S. Cooper, Anthony K. L. Fung, Daniel T. Chu
  • Patent number: 5599816
    Abstract: Antibacterial compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, selected preferred examples of which include those compounds whereinA is.dbd.CR.sup.6 --;R.sup.1 is cycloalkyl of from three to eight carbon atoms or substituted phenyl;R.sup.2 is selected from the group consisting of ##STR2## R.sup.3 is halogen; R.sup.4 is hydrogen, loweralkyl, a pharmaceutically acceptable cation, or a prodrug ester group;R.sup.5 is hydrogen, loweralkyl, halo(loweralkyl), or --NR.sup.13 R.sup.14 ; andR.sup.6 is halogen, loweralkyl, halo(loweralkyl), hydroxy-substituted loweralkyl, loweralkoxy(loweralkyl), loweralkoxy, or amino(loweralkyl),as well as pharmaceutical compositions containing such compounds and the use of the same in the treatment of bacterial infections.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 4, 1997
    Assignee: Abbott Laboratories
    Inventors: Daniel T. Chu, Qun Li, Curt S. Cooper, Anthony K. L. Fung, Cheuk M. Lee, Jacob J. Plattner, Zhenkun Ma, Wei-Bo Wang
  • Patent number: 5580872
    Abstract: Antibacterial compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, preferred examples of which include those compounds whereinA is .dbd.CR.sup.6 --;R.sup.1 is cycloalkyl of from three to eight carbon atoms or substituted phenyl;R.sup.2 is selected from the group consisting of ##STR2## R.sup.3 is halogen; R.sup.4 is hydrogen, loweralkyl, a pharmaceutically acceptable cation, or a prodrug ester group;R.sup.5 is hydrogen, loweralkyl, halo(loweralkyl), or --NR.sup.13 R.sup.14 ; andR.sup.6 is halogen, loweralkyl, halo(loweralkyl), hydroxy-substituted loweralkyl, loweralkoxy(loweralkyl), loweralkoxy, or amino(loweralkyl),as well as pharmaceutical compositions containing such compounds and the use of the same in the treatment of bacterial infections.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: December 3, 1996
    Assignee: Abbott Laboratories
    Inventors: Daniel T. Chu, Qun Li, Curt S. Cooper, Anthony K. L. Fung, Cheuk M. Lee, Jacob J. Plattner
  • Patent number: 5389647
    Abstract: A renin inhibiting compound of the formula: ##STR1## wherein X is O, NH or S and G is a mimic of the Leu-Val cleavage site of angiotensinogen; or a pharmaceutically acceptable salt, ester or prodrug thereof; with the proviso that the compound is not N-(3-(4-Morpholino)propyl)-5(S)-(2(S)-(1(S)-(4-methoxymethoxy)piperidin-1- yl)carbonyl-2-phenyl)ethoxyhexanamido)-6-cyclohexyl-4(S)-hydroxy-2(S)-isopr opylhexanamide.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: February 14, 1995
    Assignee: Abbott Laboratories
    Inventors: William R. Baker, Steven A. Boyd, Anthony K. L. Fung, Herman H. Stein, Jon F. Denissen, Charles W. Hutchins
  • Patent number: 5342981
    Abstract: The present invention relates to intermediates useful in a process for the preparation of a compound of the formula: ##STR1## wherein R.sub.2a is hydrogen or loweralkyl, R.sub.2b is hydrogen, loweralkyl, cycloalkyl or phenyl and R.sub.1 is cycloalkyl, cycloalkylalkyl, phenyl or benzyl. These intermediates are compounds of the formula: ##STR2## wherein P.sub.2 is an O-protecting group, P.sub.3 is an N-protecting group and R.sub.1, R.sub.2a and R.sub.2b are defined as above.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: August 30, 1994
    Assignee: Abbott Laboratories
    Inventors: Daniel J. Plata, Anthony K. L. Fung, Howard E. Morton, Robert Leanna, William R. Baker, John K. Pratt
  • Patent number: 5326776
    Abstract: Compounds are disclosed having the formula: ##STR1## wherein the substituents are defined herein. The compounds of the invention are angiotensin II receptor antagonists.
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: July 5, 1994
    Assignee: Abbott Laboratories
    Inventors: Martin Winn, Biswanath De, Thomas M. Zydowsky, Daniel J. Kerkman, John F. DeBernardis, Saul H. Rosenberg, Kazumi Shiosaki, Fatima Z. Basha, Kenneth P. Spina, Thomas W. von Geldern, Steven Boyd, Diane M. Yamamoto, Anthony K. L. Fung
  • Patent number: 5268374
    Abstract: The present invention relates to renin inhibiting compounds of the formula: ##STR1##
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: December 7, 1993
    Assignee: Abbott Laboratories
    Inventors: Anthony K. L. Fung, William R. Baker, Yoek-Lin Armiger, Saul H. Rosenberg, Biswanath De, Jacob J. Plattner, Steven A. Boyd, Dale J. Kempf, Hing L. Sham, Hollis D. Kleinert, Robert A. Mantei
  • Patent number: 5250548
    Abstract: Compounds are disclosed having the formula: ##STR1## The compounds of the invention are angiotensin II receptor antagonists.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: October 5, 1993
    Assignee: Abbott Laboratories
    Inventors: Martin Winn, Biswanath De, Thomas M. Zydowsky, Daniel J. Kerkman, John F. DeBernardis, Saul H. Rosenberg, Kazumi Shiosaki, Fatima Z. Basha, Andrew S. Tasker, Thomas W. von Geldern, Jeffrey A. Kester, Steven Boyd, Diane M. Yamamoto, Anthony K. L. Fung
  • Patent number: 5244910
    Abstract: A renin inhibiting compound of the formula: ##STR1## wherein X is O NH or S and G is a mimic of the Leu-Val cleavage site of angiotensinogen; or a pharmaceutically acceptable salt, ester or prodrug thereof; with the proviso that the compound is not N-(3-(4-Morpholino)propyl)-5(S)-(2(S)-(1(S)-(4-(methoxymethoxy)piperidin-1 -yl)carbonyl-2- phenyl)ethoxyhexanamido)-6-cyclohexyl-4(S)-hydroxy-2(S)-isopropylhexanamid e.
    Type: Grant
    Filed: July 31, 1991
    Date of Patent: September 14, 1993
    Assignee: Abbott Laboratories
    Inventors: William R. Baker, Steven A. Boyd, Anthony K. L. Fung, Herman H. Stein, Jon F. Denissen, Charles W. Hutchins
  • Patent number: 5229518
    Abstract: The present invention relates to intermediates useful in the process for the preparation of a compound of the formula: ##STR1## wherein R.sub.2a is hydrogen or loweralkyl, R.sub.2b is hydrogen, loweralkyl, cycloalkyl or phenyl and R.sub.1 is loweralkyl, cycloalky, cycloalkylalkyl, phenyl or benzyl. These intermediates are compounds of the formula: ##STR2## wherein R.sub.1, R.sub.2a and R.sub.2b are defined as above.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: July 20, 1993
    Assignee: Abbott Laboratories
    Inventors: Daniel J. Plata, Anthony K. L. Fung, Howard E. Morton, M. Robert Leanna, William R. Baker, John K. Pratt
  • Patent number: 5032577
    Abstract: A renin inhibiting compound of the formula: ##STR1## wherein A is a substituent; W is C.dbd.O or CHOH; U is CH.sub.2 or NR.sub.2, provided that when W is CHOH then U is CH.sub.2 ; R.sub.1 is loweralkyl, cycloalkylmethyl, benzyl, 4-methoxybenzyl, halobenzyl, (1-naphthyl)methyl, (2-naphthyl)methyl, (4-imidazoyl)methyl, (alpha,alpha)-dimethylbenzyl, 1-benzyloxyethyl, phenethyl, phenoxy, thiophenoxy or anilino; R.sub.2 is hydrogen or loweralkyl; R.sub.3 is loweralkenyl, [(alkoxy)alkoxy]alkyl, (thioalkoxy)alkyl, lowerakenyl, benzyl or heterocyclic ring substituted methyl; R.sub.4 is loweralkyl, cycloalkylmethyl or benzyl; R.sub.5 is vinyl, formyl, hydroxymethyl or hydrogen; R.sub.7 is hydrogen or loweralkyl; R.sub.8 and R.sub.9 are independently selected from OH and NH.sub.2 ; and R.sub.6 is hydrogen, loweralkyl, vinyl or arylalkyl; provided that when R.sub.5 and R.sub.7 are both hydrogen and R.sub.8 and R.sub.9 are OH, the carbon bearing R.sub.5 is of the "R" configuration and the carbon bearing R.sub.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: July 16, 1991
    Assignee: Abbott Laboratories
    Inventors: Anthony K. L. Fung, Dale J. Kempf, Jay R. Luly, Saul H. Rosenberg, Jacob J. Plattner
  • Patent number: 4857507
    Abstract: The invention relates to renin inhibiting compounds of the formula ##STR1## wherein A is hydrogen; loweralkyl; arylalkyl; OR.sub.10 or SR.sub.10 wherein R.sub.10 is hydrogen, loweralkyl or aminoalkyl; NR.sub.11 R.sub.12 wherein R.sub.11 and R.sub.12 are independently selected from hydrogen, loweralkyl, aminoalkyl, cyanoalkyl and hydroxyalkyl; ##STR2## wherein B is NH, alkylamino, S, O, CH.sub.2 or CHOH and R.sub.13 is loweralkyl, cycloalkyl, aryl, arylalkyl, alkoxy, alkenyloxy, hydroxyalkoxy, dihydroxyalkoxy, arylalkoxy, arylalkoxyalkyl, amino, alkylamino, dialkylamino, (hydroxyalkyl)(alkyl)amino, (dihydroxyalkyl)(alkyl)amino, aminoalkyl, alkoxycarbonylalkyl, carboxyalkyl, N-protected aminoalkyl, alkylaminoalkyl, (N-protected)(alkyl)aminoalkyl, dialkylaminoalkyl, (heterocyclic) alkyl or a substituted or unsubstituted heterocyclic; W is CO or CHOH and U is CH.sub.2 or NR.sub.2 with the proviso that when W is CHOH then U is CH.sub.2 ; R.sub.1 is loweralkyl, cycloaklylmethyl, benzyl, .alpha.,.alpha.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: August 15, 1989
    Assignee: Abbott Laboratories
    Inventors: Saul H. Rosenberg, Joseph Dellaria, Anthony K, L. Fung, Dale J. Kempf, Jay R. Luly, Jacob J. Plattner
  • Patent number: 4826815
    Abstract: The invention relates to renin inhibiting compounds of the formula ##STR1## wherein A is hydrogen; loweralkyl; arylalkyl; Or.sub.10 wherein R.sub.10 is hydrogen or loweralkyl; NR.sub.11 R.sub.12 wherein R.sub.11 and R.sub.12 are independently selected from hydrogen and loweralkyl; or R.sub.13 --CO--B wherein B is NH, O, CH.sub.2, HNCH.sub.2 and R.sub.13 is loweralkyl, alkoxy, arylalkoxy, arylalkoxyalkyl, amino, alkylamino, dialkylamino, aminoalkyl, N-protected aminoalkyl, hydroxylated dialkylamino, (heterocyclic)alkyl or a substituted or unsubstituted heterocyclic, carboxyalkyl, or lower alkyl carboxyalkyl esters; W is N or CH: U,V may be the following combinations H,OH; OH,H; H,H; or when taken together as O represents a carbonyl with the provisos that if U,V.dbd.H,OH, then W=CH, and if U,V.dbd.O then W.dbd.N; R.sub.1 , R.sub.3 and R.sub.5 are loweralkyl or hydrophilic, lipophilic or aromatic amino acid side chains and may be the same or different; R.sub.2, R.sub.4, R.sub.7, R.sub.8 and R.sub.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: May 2, 1989
    Assignee: Abbott Laboratories
    Inventors: Jay R. Luly, Joseph Dellaria, Anthony K. L. Fung, Dale J. Kempf, Jacob J. Plattner, Saul H. Rosenberg, Hing L. Sham
  • Patent number: 4268691
    Abstract: By condensation of anisoyl chloride with 2,3-dichloroanisole under proper conditions, 2,3-dichloro-4-(hydroxybenzoyl)phenol is obtained directly.
    Type: Grant
    Filed: August 9, 1979
    Date of Patent: May 19, 1981
    Assignee: Abbott Laboratories
    Inventors: Anthony K. L. Fung, Donald E. Morrison, Andre G. Pernet
  • Patent number: 4167565
    Abstract: A method of controlling undesired animals including rodents, coyotes and birds which comprises making available to said animals an edible composition containing, as the active ingredient, a lethal dose of a compound represented by formula ##STR1## wherein R is H, loweralkyl or acetyl; R.sub.1 is H or acetyl; R.sub.2 is H, Cl or NH.sub.2 ; R.sub.3 is H, loweralkyl, alkoxy, cycloalkyl or hydroxyalkyl; R.sub.4 and R.sub.5 are each H, acetyl or propionyl, or when taken together form a p-chlorobenzylidene, a carbonate or an ethoxymethylene moiety; in a suitable carrier.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: September 11, 1979
    Assignee: Abbott Laboratories
    Inventors: Herman H. Stein, Raj N. Prasad, Karin R. Tietje, Anthony K. L. Fung