Patents by Inventor Robert Greenhouse

Robert Greenhouse 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: 6852726
    Abstract: This invention relates to compounds which are alpha-1 receptor agonists, preferably alpha-1A/L receptor agonists, and which are represented by Formula I: wherein X is —S(O)n— or —C(O)—, A is C1-6alkyl, aryl, heteroaryl, hydroxyalkyl, or —(CH2)p—NRaRb, and the other substituents are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and methods of preparation thereof.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: February 8, 2005
    Assignee: Syntex LLC
    Inventors: Robert Greenhouse, Saul Jaime-Figueroa, Lubica Raptova
  • Publication number: 20030220319
    Abstract: This invention relates to compounds which are alpha-1 receptor agonists, preferably alpha-1A/L receptor agonists, and which are represented by Formula I: 1
    Type: Application
    Filed: January 31, 2003
    Publication date: November 27, 2003
    Inventors: Robert Greenhouse, Saul Jaime-Figueroa, Lubica Raptova
  • Patent number: 5958934
    Abstract: The aryl pyrimidine derivatives and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, including utility as selective 5HT.sub.2B -antagonists. The 5-HT.sub.2B antagonist is a compound of the formula: ##STR1## wherein: R.sup.1 is hydrogen, alkyl, lower alkoxy, hydroxyalkyl, cycloalkyl, cycloalkyl lower alkyl, alkenyl, lower thioalkoxy, halo, fluoroalkyl, --NR.sup.6 R.sup.7, --CO.sub.2 R.sup.8, --O(CH.sub.2).sub.n R.sup.9, or lower alkyl optionally substituted with hydroxy, alkoxy, halo, or aryl; in whichn is 1, 2, or 3;R.sup.6 and R.sup.7 are hydrogen or lower alkyl;R.sup.8 is hydrogen or lower alkyl; andR.sup.9 is hydrogen, lower alkyl, hydroxy, hydroxy lower alkyl, lower alkenyl, or lower alkoxy;R.sup.2 is hydrogen, lower alkyl, lower alkoxy, halo, or lower fluoroalkyl;R.sup.3 is optionally substituted aryl other than pyridyl, thienyl, or furanyl;R.sup.4 is hydrogen, lower alkyl, cycloalkyl, alkenyl, acyl, amino, amido, aryl, --(CH.sub.2).sub.m NR.sup.10 R.sup.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: September 28, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, Robert Greenhouse, Saul Jaime-Figueroa, Yanzhou Liu, Aubry Kern Miller, David George Putman, Klaus Kurt Weinhardt, Shu-Hai Zhao
  • Patent number: 5952331
    Abstract: The aryl pyrimidine derivatives and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, including utility as selective 5HT.sub.2B -antagonists.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: September 14, 1999
    Assignee: Syntex (USA) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, Robert Greenhouse, Saul Jaime-Figueroa, Yanzhou Liu, Aubry Kern Miller, David George Putman, Klaus Kurt Weinhardt, Shu-Hai Zhao
  • Patent number: 5863924
    Abstract: The disclosed pyrimidine derivatives, and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, in particular use as selective 5HT.sub.2B -antagonists. The invention is also directed to formulations and methods for treatment.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: January 26, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, Robert Greenhouse, Saul Jaime-Figueroa, Yanzhou Liu, Aubry Kern Miller, David George Putman, Klaus Kurt Weinhardt, Shu-Hai Zhao
  • Patent number: 4988822
    Abstract: 5-Aroyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1,1-dicarboxylates of the formula ##STR1## are prepared from 2-halopyrroles. Hydrolysis and .beta.-decarboxylation of these compounds affords ketorolac and related compounds.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: January 29, 1991
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4935440
    Abstract: 3-[.omega.-(3,5-Di-t-butyl-4-hydroxyphenyl)alkanoyl]-pyrroles and their de-oxy analogs, for example, 3-(3,5-di-t-butyl-4-hydroxybenzyl)pyrrole, 2-chloro-4-(3,5-di-t-butyl-4-hydroxybenzoyl)pyrrole, 3-(3,5-di-t-butyl-4-hydroxybenzoyl)pyrrole and 3-[2-(3,5-di-t-butyl-4-hydroxyphenyl)-1-oxoethyl]pyrrole, have high pharmacological potency as anti-inflammatory, analgesic and antipyretic agents.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: June 19, 1990
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse, John Young, D. V. Krishna Murthy
  • Patent number: 4873340
    Abstract: 5-Aroyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1,1-dicarboxylates of the formula ##STR1## are prepared from 2-halopyrroles. Hydrolysis and .beta.-decarboxylation of these compounds affords ketorolac and related compounds.
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: October 10, 1989
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4833155
    Abstract: 3-[.omega.-(3,5-Di-t-butyl-4-hydroxyphenyl)alkanoyl]-pyrroles and their de-oxy analogs, for example, 3-(3,5-di-t-butyl-4-hydroxybenzyl)pyrrole, 2-chloro-4-(3,5-di-t-butyl-4-hydroxybenzoyl)pyrrole, 3-(3,5-di-t-butyl-4-hydroxybenzoyl)pyrrole and 3-[2-(3,5-di-t-butyl-4-hydroxyphenyl)-1-oxoethyl]pyrrole, have high pharmacological potency as anti-inflammatory, analgesic and antipyretic agents.
    Type: Grant
    Filed: November 25, 1986
    Date of Patent: May 23, 1989
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse, John Young, D. V. Krishna Murthy
  • Patent number: 4612325
    Abstract: Novel 5-aroyl-6-methylthio-, 6-methylsulfinyl-, or 6-methylsulfonyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids represented by the formulas ##STR1## and the pharmaceutically acceptable, non-toxic esters and salts thereof, whereinR.sub.1 is lower alkylthio, lower alkylsulfinyl, or lower alkylsulfonyl;R.sub.2 is hydrogen, hydroxy, lower alkyl, vinyl, cyclohexyl, cyclopropyl, lower alkoxy, fluoro, chloro, bromo, trifluoromethyl, trifluoromethoxy, nitro, amino, lower alkylcarbonylamino, lower alkylthio, lower alkylsulfonyl, or lower alkylsulfinyl;X is oxygen, sulfur, N--R.sub.3 where R.sub.3 is hydrogen or lower alkyl.This invention describes intermediates of the process and the process for the production of these compounds and their pharmaceutically acceptable non-toxic salts and pharmaceutical composition thereof. The claimed compounds are useful as anti-inflammatories and analgesics in mammals.
    Type: Grant
    Filed: June 8, 1982
    Date of Patent: September 16, 1986
    Assignee: Syntex (U.S.A) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4548949
    Abstract: A compound of the formula ##STR1## and the pharmaceutically acceptable acid addition salts thereof are potent antihypertensive agents and are therefore useful as cardiovascular system regulators. These compounds are also useful as bronchodilators.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: October 22, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse, Jack Ackrell, Tsung-Tee Li, Jurg R. Pfister
  • Patent number: 4543361
    Abstract: A compound of the formula ##STR1## and the pharmaceutically acceptable acid addition salts thereof are potent antihypertensive agents and are therefore useful as cardiovascular system regulators.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: September 24, 1985
    Inventors: Joseph M. Muchowski, Robert Greenhouse, Jack Ackrell, Tsung-Tee Li, Jurg R. Pfister
  • Patent number: 4505927
    Abstract: 5-benzoyl-7-halo-1,2-dihydro-3H-pyrrolo[1,2-a]-pyrrole-1-carboxylic acids, represented by the formula ##STR1## and the pharmaceutically acceptable non-toxic esters and salts thereof, wherein:R is hydrogen or lower alkyl;X is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, carboxyl, lower alkylcarbonyl, sulfonic acid, sulfonic acid alkyl ester, fluoro, chloro, or bromo; and Y is chloro or bromo, which are novel, and 5-benzoyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids which are represented by the formula ##STR2## wherein X and R are as above defined except that X cannot be chloro or bromo, are prepared by decarboxylation of the corresponding 1,1 dicarboxylates. Intermediates in said preparation are also disclosed.
    Type: Grant
    Filed: January 15, 1982
    Date of Patent: March 19, 1985
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4458081
    Abstract: 5-Substituted-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids of the formula ##STR1## wherein: X is hydrogen or lower alkyl; Ar is a moiety selected from the group consisting of ##STR2## in which: Y is oxygen or sulfur;R is hydrogen, methyl, chloro, or bromo, the R substitution being at the 3, 4 or 5 position of the ring;R.sup.1 is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, lower alkylcarbonyl, fluoro, chloro or bromo, the R.sup.1 substitution being at any available position in the ring;R.sup.2 is hydrogen or lower alkyl;are prepared by .beta.-decarboxylation of the corresponding dialkyl-1,1-dicarboxylates. Certain substituted pyrroles are useful as intermediates for preparing the compounds of formula I.
    Type: Grant
    Filed: June 11, 1982
    Date of Patent: July 3, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4456759
    Abstract: 5-benzoyl-7-halo-1,2-dihydro-3H-pyrrolo[1,2-a]-pyrrole-1-carboxylic acids, represented by the formula ##STR1## and the pharmaceutically acceptable non-toxic esters and salts thereof, wherein:R is hydrogen or lower alkyl;X is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, carboxyl, lower alkylcarbonyl, sulfonic acid, sulfonic acid alkyl ester, fluoro, chloro, or bromo; and Y is chloro or bromo, which are novel, and 5-benzoyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids which are represented by the formula ##STR2## wherein X and R are as above defined except that X cannot be chloro or bromo, are prepared by decarboxylation of the corresponding 1,1 dicarboxylates. Intermediates in said preparation are also disclosed.
    Type: Grant
    Filed: June 11, 1982
    Date of Patent: June 26, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4454326
    Abstract: 5-Substituted-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids of the formula ##STR1## wherein: X is hydrogen, lower alkyl, chloro or bromo; Ar is a moiety selected from the group consisting of ##STR2## in which: Y is oxygen or sulfur;R is hydrogen, methyl, chloro, or bromo, the R substitution being at the 3, 4 or 5 position of the ring;R.sup.1 is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, lower alkylcarbonyl, fluoro, chloro or bromo, the R.sup.1 substitution being at any available position in the ring;R.sup.2 is hydrogen or lower alkyl;are prepared by .beta.-decarboxylation of the corresponding dialkyl-1,1-dicarboxylates. Certain substituted pyrroles are useful as intermediates for preparing the compounds of formula I.
    Type: Grant
    Filed: June 11, 1982
    Date of Patent: June 12, 1984
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4347186
    Abstract: 5-Substituted-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids of the formula ##STR1## wherein: X is hydrogen or lower alkyl; Ar is a moiety selected from the group consisting of ##STR2## in which: Y is oxygen or sulfur;R is hydrogen, methyl, chloro, or bromo, the R substitution being at the 3, 4 or 5 position of the ring;R.sup.1 is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, lower alkylcarbonyl, fluoro, chloro or bromo, the R.sup.1 substitution being at any available position in the ring;R.sup.2 is hydrogen or lower alkyl;are prepared by .beta.-decarboxylation of the corresponding dialkyl-1,1-dicarboxylates. Certain substituted pyrroles are useful as intermediates for preparing the compounds of formula I.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: August 31, 1982
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4347187
    Abstract: 5-Substituted-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids of the formula ##STR1## wherein: X is hydrogen, lower alkyl, chloro or bromo; Ar is a moiety selected from the group consisting of ##STR2## in which: Y is oxygen or sulfur;R is hydrogen, methyl, chloro, or bromo, the R substitution being at the 3, 4 or 5 position of the ring;R.sup.1 is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, lower alkylcarbonyl, fluoro, chloro or bromo, the R.sup.1 substitution being at any available position in the ring;R.sup.2 is hydrogen or lower alkyl; are prepared by .beta.-decarboxylation of the corresponding dialkyl-1,1-dicarboxylates. Certain substituted pyrroles are useful as intermediates for preparing the compounds of formula I.
    Type: Grant
    Filed: June 11, 1981
    Date of Patent: August 31, 1982
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse
  • Patent number: 4347185
    Abstract: 5-benzoyl-7-halo-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids, represented by the formula ##STR1## and the pharmaceutically acceptable non-toxic esters and salts thereof, wherein:R is hydrogen or lower alkyl;X is hydrogen, lower alkyl, lower alkoxyl, lower alkoxycarbonyl, carboxyl, lower alkylcarbonyl, sulfonic acid, sulfonic acid alkyl ester, fluoro, chloro, or bromo; and Y is chloro or bromo, which are novel, and 5-benzoyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids which are represented by the formula ##STR2## wherein X and R are as above defined except that X cannot be chloro or bromo, are prepared by decarboxylation of the corresponding 1,1 dicarboxylates. Intermediates in said preparation are also disclosed.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: August 31, 1982
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Robert Greenhouse