Patents Represented by Attorney, Agent or Law Firm J. Timothy Keane
  • Patent number: 5958904
    Abstract: A method is described to prevent neural cell injury by use of a compound from a class of phosphonometyl-imidazo?1,2-a!pyrimidine-2-carboxylic acid compounds. The treatment includes administration of a compound of this class alone or in a composition in an amount effective as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula: ##STR1## wherein Y.sub.m is --CH.sub.2 -- or --CH.sub.2 --CH.sub.2 --; where m is one; wherein X is one or more groups attachable at one or more of the 5-, 6- and 7-ring positions of the imidazo?1,2-a!pyrimidine ring system; wherein each X and T is independently selected from hydrido, halo, alkyl, cycloalkyl, cycloalkylalkyl, haloalkyl, alkenyl, alkynyl, phenyl, benzyl, hydroxy, hydroxyalkyl, alkoxy, phenoxy, alkoxyalkyl, benzyloxy, cyano, alkanoyl, alkylthio, arylthio and amino; wherein each of R.sup.1, R.sup.2 and R.sup.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: September 28, 1999
    Assignee: G.D. Searle & Co.
    Inventors: Alexis A. Cordi, Eric T. Sun
  • Patent number: 5942600
    Abstract: Seryl-lysyl-based peptide and peptidomimetic compounds are described as inhibitors of the enzyme N-myristoyl transferase to provide selective control of the fungal organism Candida albicans. Peptidomimetic compounds of particular interest are those of the formula: ##STR1## wherein R.sup.1 is selected form aminoalkyl, p-aminoalkylphenylalkyl, imidazolylalkylphenylalkyl, 2-alkylimidazolylalkylphenylalkyl, benzimidazolylalkylphenylalkyl and 2-alkylbenzimidazolylalkylphenylalkyl; wherein R.sup.2 is selected from hydrido, alkyl, cycloalkyl, akenyl, alkynyl, haloalkyl, benzyl, alkylphenylalkyl, alkoxyphenylalkyl, halophenylalkyl, phenethyl, cycloalkylalkyl, halocycloalkylalkyl, alkylcycloalkylalkyl, alkoxycycloalkylalkyl and naphthylalkyl; wherein Y is selected from carboxylic acid, hydroxamic acid, phosphonic acid and tetrazolyl; or a pharmaceutically-acceptable salt, amide or ester thereof. Compounds of the formula are species-specific inhibitors of C.
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: August 24, 1999
    Assignee: G. D. Searle & Co.
    Inventors: James A. Sikorski, Balekudru Devadas, Daniel P. Getman, David L. Brown, Srinivasan Nagarajan, Mark E. Zupec, Jeffrey I. Gordon
  • Patent number: 5942548
    Abstract: Compounds characterized generally as ethynyl alanine amino diol derivatives are useful as renin inhibitors for the treatment of cardiovascular disorders. Compounds of particular interest are those of Formula I ##STR1## wherein A is selected from CO and SO.sub.2 wherein X is selected from oxygen atom and methylene; wherein each of R.sub.1 and R.sub.9 is a group independently selected from hydrido, methyl, ethyl, n-propyl, isopropyl, benzyl, .beta.,.beta.,.beta.-trifluoroethyl, t-butyloxycarbonyl and methoxymethylcarbonyl, and wherein the nitrogen atom to which R.sub.1 and R.sub.9 are attached may be combined with oxygen to form an N-oxide; wherein R.sub.2 is selected from hydrido, methyl, ethyl and isopropyl; wherein R.sub.3 is selected from benzyl, cyclohexylmethyl, phenethyl, imidazolemethyl, pyridylmethyl and 2-pyridylethyl; wherein R.sub.5 is propargyl or a propargyl-containing moiety; wherein R.sub.7 is cyclohexylmethyl; wherein each of R.sub.4 and R.sub.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: August 24, 1999
    Assignee: G.D. Searle & Co.
    Inventors: Gunnar J. Hanson, John S. Baran
  • Patent number: 5861420
    Abstract: A class of N-arylheteroarylalkyl imidazol-2-one compounds is described for use in treatment of circulatory disorders such as hypertension and congestive heart failure. Compounds of particular interest are angiotensin II antagonists of the formula ##STR1## wherein A is selected from ##STR2## wherein m is one; wherein R.sup.1 is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, 4-methylbutyl, 2-ethylbutyl, n-pentyl, neopentyl, phenyl, methylphenyl, difluorophenyl, benzyl, phenethyl, cyclohexyl, cyclohexylmethyl, cyclohexylethyl, cyclohexanoyl, 1-oxo-2-cyclohexylethyl, benzoyl, 1-oxo-2-phenethyl, 1-oxopropyl, 1-oxobutyl, 1-oxopentyl and 2-hydroxybutyl; wherein R.sup.0 is hydrido; wherein R.sup.2 is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl, neopentyl, phenyl, benzyl, phenethyl, cyclohexyl, cyclohexylmethyl, propylthio, butylthio, and hydroxyalkyl; wherein each of R.sup.3, R.sup.4, R.sup.6, R.sup.7, R.
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: January 19, 1999
    Assignee: G. D. Searle & Co.
    Inventors: David B. Reitz, Robert E. Manning
  • Patent number: 5849773
    Abstract: Compounds characterized generally as amino acyl amino propargyl diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula I ##STR1## wherein A is selected from CO and SO.sub.2 ; wherein X is selected from oxygen atom and methylene; wherein each of R.sub.1 and R.sub.9 is a group independently selected from hydrido, methyl, ethyl, n-propyl, isopropyl, benzyl, .beta.,.beta.,.beta.-trifluoroethyl, t-butyloxycarbonyl and methoxymethylcarbonyl, and wherein the nitrogen atom to which R.sub.1 and R.sub.9 are attached may be combined with oxygen to form an N-oxide; wherein R.sub.2 is selected from hydrido, methyl, ethyl and isopropyl; wherein R.sub.3 is selected from benzyl, cyclohexylmethyl, phenethyl, imidazolemethyl, pyridylmethyl and 2-pyridylethyl; wherein R.sub.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: December 15, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, J. Timothy Keane
  • Patent number: 5780494
    Abstract: Compounds characterized generally as piperidinyl-terminated alkylamino ethynyl alanine amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula I ##STR1## wherein A is selected from CO and SO.sub.2 ; wherein X is selected from oxygen atom and methylene; wherein B is selected from a piperidinyl group, an isoindolyl group and an azabicyclononyl group; wherein R.sub.1 is selected from hydrido, methyl, ethyl, isopropyl and n-propyl; wherein R.sub.2 is phenylmethyl; wherein each of R.sub.3 and R.sub.5 is hydrido; wherein R.sub.4 is selected from ##STR2## wherein V is selected from hydrido and methyl; wherein R.sub.6 is cyclohexylmethyl; wherein R.sub.7 is selected from isobutyl, cyclopropyl and cyclopropylmethyl; wherein q is a number selected from zero through three, inclusive; and wherein n is a number selected from zero through three, inclusive; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: July 14, 1998
    Assignee: G. D. Searle & Co.
    Inventor: Gunnar J. Hanson
  • Patent number: 5756549
    Abstract: Compounds characterized generally as alkylaminoalkyl-terminated sulfide/sulfonyl-containing cycloalkylalkyl alanine amino-diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula II: ##STR1## wherein m is is two or three; wherein x is zero or two; wherein R.sup.2 is selected from hydrido, methyl, ethyl and phenyl; wherein R.sup.3 is selected from hydrido, cyclohexylmethyl, benzyl, fluorobenzyl, chlorobenzyl, fluoronaphthylmethyl and chloronaphthylmethyl; wherein R.sup.5 is selected from cycloalkylalkyl groups containing from three to about twelve carbon atoms; wherein R.sup.7 is cyclohexylmethyl; wherein R.sup.8 is selected from n-propyl, isobutyl, cyclopropyl;, cyclopropylmethyl, allyl and vinyl; and wherein each of R.sup.9 and R.sup.10 is a group independently selected from methyl, ethyl and isopropyl; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: January 29, 1996
    Date of Patent: May 26, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Gunnar J. Hanson, John S. Baran
  • Patent number: 5716964
    Abstract: A class of imidazo?1,2-a!pyridinylalkyl compounds is described for treatment to reduce neurotoxic injury associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of a compound of this class alone or in a composition in an amount effective as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula: ##STR1## wherein each of R.sup.22, R.sup.23 and R.sup.24 is independently selected from hydrido, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl; wherein each of Y.sub.m and Y.sub.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: February 10, 1998
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Gilbert W. Adelstein, Karen B. Peterson, Sofya Tsymbalov
  • Patent number: 5674879
    Abstract: Conformationally restricted compounds are described which are therapeutically effective as angiotensin II antagonists for the treatment of circulatory disorders.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: October 7, 1997
    Assignee: G.D. Searle & Co.
    Inventors: Robert E. Manning, Horng-Chih Huang
  • Patent number: 5665598
    Abstract: A method is described for synthesis of N-Boc-L-propargylglycine, a key intermediate used in the preparation of high-potency, orally-active renin inhibitors. This method involves reaction of an organic halide with a glycine cation equivalent, such as methyl N-Boc-2-acetoxyglycine, in the presence of zinc dust to give Boc-protected amino acid derivatives in high yield. Typically useful organic halides are allylic, benzylic and propargylic halides. Resolution of methyl N-Boc-propargylglycine with .alpha.-chymotrypsin provides N-Boc-L-propargylglycine in high yield.
    Type: Grant
    Filed: January 29, 1996
    Date of Patent: September 9, 1997
    Assignee: G. D. Searle & Co.
    Inventors: Norman A. Abood, Roger A. Nosal
  • Patent number: 5643906
    Abstract: A class of N-arylheteroarylalkyl imidazol-2-one compounds is described for use in treatment of a glaucoma disorder. Compounds of particular interest are angiotensin II antagonists of the formula ##STR1## wherein A is selected from ##STR2## wherein R.sup.1 is selected from hydrido and alkyl; wherein each of R.sup.2, R.sup.3 and R.sup.4 is independently selected from hydrido, alkyl, alkoxy, halo, hydroxy, carboxyl, alkoxycarbonyl, formyl and acetyl; wherein R.sup.5 is hydrido; wherein R.sup.6 is alkyl; wherein R.sup.7 is an acidic group selected from COOH and ##STR3## or a stereoisomer or a tautomer thereof or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: July 1, 1997
    Assignee: G.D. Searle & Co.
    Inventors: David B. Reitz, Robert E. Manning
  • Patent number: 5633237
    Abstract: A class of imidazo[1,2-a]pyridinylalkyl phosphonic acid compounds is described for treatment to reduce neurotoxic injury associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of a compound of this class alone or in a composition in an amount effective as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula: ##STR1## and the carboxylic and phosphonic alkyl esters and salts thereof; wherein R.sup.9 is selected from hydrido, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl; wherein each of Y.sub.m and Y.sub.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: May 27, 1997
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Gilbert W. Adelstein, Karen B. Peterson, Sofya Tsymbalov
  • Patent number: 5602153
    Abstract: A class of 1-arylheteroarylalkyl-substituted-1-H-1,2,4-triazole compounds is described for use in treatment of a glaucoma disorder. Compounds of particular interest are angiotensin II antagonists of the formula the formula ##STR1## wherein A is selected from ##STR2## wherein m is one; wherein R.sup.1 is selected from ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, 4-methylbutyl, n-pentyl, neopentyl, benzyl, cyclohexyl, cyclohexylmethyl, 2-butenyl, 3-butenyl, 2-butynyl, 3-butynyl and 2-hydroxybutyl; wherein R.sup.
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: February 11, 1997
    Assignee: G.D. Searle & Co.
    Inventor: David B. Reitz
  • Patent number: 5565482
    Abstract: A class of benzopyranopyrazolyl derivatives is described for use in treating inflammation and inflammation-related disorders. Compounds of particular interest are defined by Formula I ##STR1## wherein A is --(CH.sub.2).sub.m --X--(CH.sub.2).sub.n --; wherein X is S(O).sub.p or O; wherein m is 0 or 1; wherein n is 0 or 1; wherein p is 0 or 1; wherein B is selected from phenyl and five and six membered heteroaryl; wherein R.sup.1 is selected from lower haloalkyl, cyano, formyl, lower alkoxycarbonyl, lower alkoxy, lower N-alkylaminocarbonyl, N-phenylaminocarbonyl, lower N,N-dialkylaminocarbonyl and lower N-alkyl-N-phenylaminocarbonyl; wherein R.sup.2 is phenyl substituted at a substitutable position with a radical selected from lower alkylsulfonyl and sulfamyl; and wherein R.sup.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: October 15, 1996
    Assignee: G.D. Searle & Co.
    Inventors: John J. Talley, Stephen R. Bertenshaw, Matthew J. Graneto, Donald J. Rogier
  • Patent number: 5563139
    Abstract: Compounds of particular interest are angiotensin II antagonists of the formula ##STR1## wherein A is selected from ##STR2## wherein m is one; wherein R.sup.1 is selected from ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, 4-methylbutyl, n-pentyl, neopentyl, benzyl, cyclohexyl, cyclohexylmethyl, 2-butenyl, 3-butenyl, 2-butynyl, 3-butynyl and 2-hydroxybutyl; wherein R.sup.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: October 8, 1996
    Assignee: G. D. Searle & Co.
    Inventor: David B. Reitz
  • Patent number: 5563165
    Abstract: A class of pyrazolyl benzenesulfonamide compounds is described for use in treating inflammation and inflammation-related disorders.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 8, 1996
    Assignee: G. D. Searl & Co.
    Inventors: John J. Talley, Thomas D. Penning, Paul W. Collins, Donald J. Rogier, Jr., James W. Malecha, Julie M. Miyashiro, Stephen R. Bertenshaw, Ish K. Khanna, Matthew J. Graneto, Roland S. Rogers, Jeffery S. Carter
  • Patent number: 5563154
    Abstract: Compounds characterized generally as tetrahydro-quinolinyl or tetrahydro-isoquinolinyl-terminated alkylamino ethynyl alanine amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula I ##STR1## wherein A is selected from CO and SO.sub.2 ; wherein X is selected from oxygen atom and methylene; wherein G is a tetrahydro-quinolinyl or tetrahydro-isoquinolinyl group; wherein R.sub.1 is selected from hydrido, methyl, ethyl, isopropyl and n-propyl; wherein R.sub.2 is phenylmethyl; wherein each of R.sub.3 and R.sub.5 is hydrido; wherein R.sub.4 is selected from--(CH.sub.2).sbsb.q--C.tbd.C-Vwherein V is selected from hydrido and methyl; wherein R.sub.6 is cyclohexylmethyl; wherein R.sub.7 is selected from isobutyl, cyclopropyl and cyclopropylmethyl; wherein q is a number selected from zero through three, inclusive; and wherein n is a number selected from zero through three, inclusive; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 8, 1996
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, Robert E. Manning
  • Patent number: 5547975
    Abstract: A class of benzopyranopyrazolyl derivatives is described for use in treating inflammation and inflammation-related disorders. Compounds of particular interest are defined by Formula I ##STR1## wherein A is --(CH.sub.2).sub.m --X--(CH.sub.2).sub.n --; wherein X is S(O).sub.p or O; wherein m is 0 or 1; wherein n is 0 or 1; wherein p is 0 or 1; wherein B is selected from phenyl and five and six membered heteroaryl; wherein R.sup.1 is selected from lower haloalkyl, cyano, formyl, lower alkoxycarbonyl, lower alkoxy, lower N-alkylaminocarbonyl, N-phenylaminocarbonyl, lower N,N-dialkylaminocarbonyl and lower N-alkyl-N-phenylaminocarbonyl; wherein R.sup.2 is phenyl substituted at a substitutable position with a radical selected from lower alkylsulfonyl and sulfamyl; and wherein R.sup.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: August 20, 1996
    Inventors: John J. Talley, Stephen R. Bertenshaw, Matthew J. Graneto, Donald J. Rogier
  • Patent number: 5521207
    Abstract: A class of pyrazolyl benzenesulfonamide compounds is described for use in treating inflammation and inflammation-related disorders.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: May 28, 1996
    Assignee: G.D. Searle & Co.
    Inventor: Matthew J. Graneto
  • Patent number: 5516907
    Abstract: A class of pyrazolyl benzenesulfonamido compounds is described for use in treating inflammation and inflammation-related disorders. Compounds of particular interest are defined by Formula I: ##STR1## or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: May 14, 1996
    Assignee: G.D. Searle & Co.
    Inventors: John J. Talley, Donald J. Rogier, Jr.