Patents by Inventor Neil Lindo

Neil Lindo 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: 7067655
    Abstract: Compounds having the structural formula I or a pharmaceutically acceptable salt thereof, wherein R is optionally substituted phenyl, cycloalkenyl, or heteroaryl; X is alkylene or —C(O)CH2—; Y is —N(R2)CH2CH2N(R3)—, —OCH2CH2N(R2)—, —O—, —S—, —CH2S—, —(CH2)2—NH—, or optionally substituted m and n are 2–3, and Q is nitrogen or optionally substituted carbon; and Z is optionally substituted phenyl, phenylalkyl or heteroaryl, diphenylmethyl, R6—C(O)—, R6—SO2—, R6—OC(O)—, R7—N(R8)—C(O)—, R7—N(R8)—C(S)—, phenyl-CH(OH)—, or phenyl-C(?NOR2)—; or when Q is CH, phenylamino or pyridylamino; or Z and Y together are substituted piperidinyl or substituted phenyl; and R2, R3, R6, R7, and R8 are as defined in the specification are disclosed, their use in the treatment of Parkinson's disease, alone or in combination with other agents for treating Parkinson's disease, and pharmaceutical compositions comprising them; also disclosed are a processes for preparing intermediates useful for preparing compounds of formul
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: June 27, 2006
    Assignee: Schering Corporation
    Inventors: Bernard R. Neustadt, Neil Lindo
  • Patent number: 6897216
    Abstract: Compounds having the structural formula I or a pharmaceutically acceptable salt thereof, wherein R is optionally substituted phenyl, cycloalkenyl, or heteroaryl; X is alkylene or —C(O)CH2—; Y is —N(R2)CH2CH2N(R3)—, —OCH2CH2N(R2)—, —O—, —S—, —CH2S—, —(CH2)2—NH—, or optionally substituted ?m and n are 2-3, and Q is nitrogen or optionally substituted carbon; and Z is optionally substituted phenyl, phenylalkyl or heteroaryl, diphenylmethyl, R6—C(O)—, R6—SO2—, R6—OC(O)—, R7—N(R8)—C(O)—, R7—N(R8)—C(S)—, ?phenyl-CH(OH)—, or phenyl-C(?NOR2)—; or when Q is CH, phenylamino or pyridylamino; or Z and Y together are substituted piperidinyl or substituted phenyl; and R2, R3, R6, R7, and R8 are as defined in the specification are disclosed, their use in the treatment of Parkinson's disease, alone or in combination with other agents for treating Parkinson's disease, and pharmaceutical compositions comprising them; also disclosed are a processes for preparing intermediates useful for preparing compounds of form
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: May 24, 2005
    Assignee: Schering Corporation
    Inventors: Bernard R. Neustadt, Neil Lindo, William J. Greenlee, Deen Tulshian, Lisa S. Silverman, Yan Xia, Craig D. Boyle, Samuel Chackalamannil
  • Publication number: 20050026932
    Abstract: Compounds having the structural formula I or a pharmaceutically acceptable salt thereof, wherein R is optionally substituted phenyl, cycloalkenyl, or heteroaryl; X is alkylene or —C(O)CH2—; Y is —N(R2)CH2CH2N(R3)—, —OCH2CH2N(R2)—, —O—, —S—, —CH2S—, —(CH2)2—NH—, or optionally substituted m and n are 2-3, and Q is nitrogen or optionally substituted carbon; and Z is optionally substituted phenyl, phenylalkyl or heteroaryl, diphenylmethyl, R6—C(O)—, R6—SO2—, R6—OC(O)—, R7—N(R8)—C(O)—, R7—N(R8)—C(S)—, phenyl-CH(OH)—, or phenyl-C(?NOR2)—; or when Q is CH, phenylamino or pyridylamino; or Z and Y together are substituted piperidinyl or substituted phenyl; and R2, R3, R6, R7, and R8 are as defined in the specification are disclosed, their use in the treatment of Parkinson's disease, alone or in combination with other agents for treating Parkinson's disease, and pharmaceutical compositions comprising them; also disclosed are a processes for preparing intermediates useful for preparing compounds of form
    Type: Application
    Filed: August 6, 2004
    Publication date: February 3, 2005
    Inventors: Bernard Neustadt, Neil Lindo
  • Publication number: 20040023997
    Abstract: Compounds having the structural formula I 1
    Type: Application
    Filed: May 30, 2003
    Publication date: February 5, 2004
    Inventors: Bernard R. Neustadt, Neil Lindo, William J. Greenlee, Deen Tulshian, Lisa S. Silverman, Yan Xia, Craig D. Boyle, Samuel Chackalamannil
  • Patent number: 6630475
    Abstract: Compounds having the structural formula I or a pharmaceutically acceptable salt thereof, wherein R is optionally substituted phenyl, cycloalkenyl, or heteroaryl; X is alkylene or —C(O)CH2—; Y is —N(R2)CH2CH2N(R)3)—, —OCH2CH2N(R2)—, —O—, —S—, —CH2S—, —(CH2)2—NH—, or optionally substituted  m and n are 2-3, and Q is nitrogen or optionally substituted carbon; and Z is optionally substituted phenyl, phenylalkyl or heteroaryl, diphenylmethyl, R6—C(O)—, R6—SO2—, R6—OC(O)—, R7—N(R8)—C(O)—, R7—N(R8)—C(S)—,  phenyl-CH(OH)—, or phenyl-C(═NOR2)—; or when Q is CH, phenylamino or pyridylamino; or Z and Y together are substituted piperidinyl or substituted phenyl; and R2, R3, R6, R7, and R8 are as defined in the specification are disclosed, their use in the treatment of Parkinso
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: October 7, 2003
    Assignee: Schering Corporation
    Inventors: Bernard R. Neustadt, Neil Lindo, William J. Greenlee, Deen Tulshian, Lisa S. Silverman, Yan Xia, Craig D. Boyle, Samuel Chackalamannil
  • Publication number: 20020099061
    Abstract: Compounds having the structural formula I 1
    Type: Application
    Filed: May 24, 2001
    Publication date: July 25, 2002
    Inventors: Bernard R. Neustadt, Neil Lindo, William J. Greenlee, Deen Tulshian, Lisa S. Silverman, Yan Xia, Craig D. Boyle, Samuel Chackalamannil
  • Patent number: 5393755
    Abstract: Novel polycylic guanine derivatives of the formula: ##STR1## wherein J is oxygen or sulfur, R.sup.1 is hydrogen, alkyl or alkyl substituted with aryl or hydroxy;R.sup.2 is hydrogen, aryl, heteroaryl, cycloalkyl, alkyl or alkyl substituted with aryl, heteroaryl, hydroxy, alkoxy, amino, monoalkyl amino or dialkylamino, or --(CH.sub.2).sub.m TCOR.sup.20 wherein m is an integer from 1 to 6, T is oxygen or --NH-- and R.sup.20 is hydrogen, aryl, heteroaryl, alkyl or alkyl substituted with aryl or heteroaryl;R.sup.3 is hydrogen, halo, trifluoromethyl, alkoxy, alkylthio, alkyl, cycloalkyl, aryl, aminosulfonyl, amino, monoalkylamino, dialkylamino, hydroxyalkylamino, aminoalkylamino, carboxy, alkoxycarbonyl or aminocarbonyl or alkyl substituted with awl, hydroxy, alkoxy, amino, monoalkylamino or dialkylamino;R.sup.a, R.sup.b, R.sup.c, and R.sup.d are defined in the specification; and n is zero or one.The compounds of formulas (I) and (I') are useful as antihypertensive, muscle relaxant and bronchodilating agents.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: February 28, 1995
    Assignee: Schering Corporation
    Inventors: Bernard R. Neustadt, Neil A. Lindo, Brian A. Mc Kittrick
  • Patent number: 4723029
    Abstract: This invention relates to organic acid-substituted guanidine compounds. Also disclosed are methods for preparing the compounds, compositions containing them, and methods for their use as anthelmintics.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: February 2, 1988
    Assignee: Schering Corporation
    Inventors: Dhiru B. Vashi, Jeffrey N. Clark, Neil A. Lindo
  • Patent number: 4701447
    Abstract: This invention relates to organic acid-substituted guanidine compounds. Also disclosed are methods for preparing the compounds, compositions containing them, and methods for their use as anthelmintics.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: October 20, 1987
    Assignee: Schering Corporation
    Inventors: Dhiru B. Vashi, Jeffrey N. Clark, Neil A. Lindo
  • Patent number: 4154735
    Abstract: 3,3'-Thiodimethylenebis 2-[(dialkylamino)methyl]indole compounds having in free base form the formula ##STR1## where R.sub.1 and R.sub.2 are lower alkyl groups. The compounds of this invention exhibit antifungal and CNS depressant properties and can be used as antifungal agents or CNS depressant agents.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: May 15, 1979
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: 4153711
    Abstract: .beta.-[2-[(DIALKYLAMINO)METHYL]-1H-indol-3-yl]-.alpha.,.alpha.-diphenylpro pionitriles and 4-[[2-[(dialkylamino)methyl]-1H-indol-3-yl]methyl]-2,4-dihydro-5-lower alkyl-2-phenyl-3H-pyrazol-3-ones and acid addition salts thereof which are useful pharmacological agents, especially as central nervous system depressants, are disclosed. The compounds can be produced by reacting an anion of an acetonitrile or a pyrazol-3-one with the appropriate quatenary salt of 2-alkyl-1,2,3,4-tetrahydropyrrolo[3,4-b]indole.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: May 8, 1979
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: 4140858
    Abstract: N,N-dialkyl-3-[(phenylthio)methyl]-1H-indole-2-methanamines or 3-(1H-imidazol-1-ylmethyl)-N,N,-dimethyl-1H-indole-2-methanamines and acid addition salts thereof which are useful pharmacological agents, especially antifungals, are disclosed. The compounds can be produced by reacting a thiophenols or imidazoles with the appropriate 2-alkyl-1,2,3,4-tetrahydropyrrolo[3,4-b]indole.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: February 20, 1979
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: 4132792
    Abstract: Bis(2-[(disubstitutedamino)methyl]-1H-indole) compounds wherein said 2-[(disubstitutedamino)methyl]-1H-indol-3-ylmethylene moieties are linked together through a piperazine or 1,3-dihydro-2H-indol-2-one fragment and acid addition salts thereof which are useful pharmacological agents, especially antifungals, are disclosed. The compounds can be produced by reacting a piperazine or 1,3-dihydro-2H-indole-2-one compound with the appropriate quaternary salt of 2-alkyl-1,2,3,4-tetrahydropyrrolo-[3,4-b]indole.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: January 2, 1979
    Assignee: Warner-Lambert
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: 4116964
    Abstract: A novel process for preparing 4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides is disclosed. The process involves the base catalyzed rearrangement of a saccharinacetamide of structure I to give II, ##STR1## wherein R.sup.1 is hydrogen or lower alkyl and R.sup.2 is lower alkyl, aryl or a heterocyclic ring selected from the group consisting of pyridyl, substituted-pyridyl, and thiazolyl. Compounds of the formula II have useful anti-inflammatory properties. In addition, they can be used as intermediates in the preparation of known anti-inflammatory agents.
    Type: Grant
    Filed: August 16, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo, John Shavel, Jr.
  • Patent number: 4074048
    Abstract: A novel process for preparing 4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides is disclosed. The process involves the base catalyzed rearrangement of a saccharinacetamide of structure I to give II, ##STR1## wherein R.sup.1 is hydrogen or lower alkyl and R.sup.2 is lower alkyl, aryl or a heterocyclic ring selected from the group consisting of pyridyl, substituted-pyridyl, and thiazolyl. Compounds of the formula II have useful anti-inflammatory properties. In addition, they can be used as intermediate in the preparation of known anti-inflammatory agents.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: February 14, 1978
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo, John Shavel, Jr.
  • Patent number: 4013686
    Abstract: Processes for the production of the compounds of the formula: ##STR1## are disclosed. In the above formula, R.sub.1 is aryl which may be substituted or unsubstituted; R.sub.2 is hydrogen, alkyl, aryl, aralkyl, alkoxy, halogen, cyano, nitro, trifluoromethyl and the like.These compounds are prepared by the following reaction schemes: ##STR2## These compounds are useful as anti-inflammatory agents.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: March 22, 1977
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: 4007203
    Abstract: Processes for the production of the compounds of the formula: ##STR1## are disclosed. In the above formula, R.sub.1 is aryl which may be substituted or unsubstituted; R.sub.2 is hydrogen, alkyl, aryl, aralkyl, alkoxy, halogen, cyano, nitro, trifluoromethyl and the like.These compounds are prepared by the following reaction schemes: ##STR2## These compounds are useful as anti-inflammatory agents.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: February 8, 1977
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: RE44205
    Abstract: Compounds having the structural formula I or a pharmaceutically acceptable salt thereof, wherein R is optionally substituted phenyl, cycloalkenyl, or heteroaryl; X is alkylene or —C(O)CH2—; Y is —N(R2)CH2CH2N(R)3)—, —OCH2CH2N(R2)—, —O—, —S—, —CH2S—, —(CH2)2—NH—, or optionally substituted ?m and n are 2-3, and Q is nitrogen or optionally substituted carbon; and Z is optionally substituted phenyl, phenylalkyl or heteroaryl, diphenylmethyl, R6—C(O)—, R6—SO2—, R6—OC(O)—, R7—N(R8)—C(O)—, R7—N(R8)—C(S)—, ?phenyl-CH(OH)—, or phenyl-C(?NOR2)—; or when Q is CH, phenylamino or pyridylamino; or Z and Y together are substituted piperidinyl or substituted phenyl; and R2, R3, R6, R7, and R8 are as defined in the specification are disclosed, their use in the treatment of Parkinson's disease, alone or in combination with other agents for treating Parkinson's disease, and pharmaceutical compositions comprising them; also disclosed are a processes for preparing intermediates useful for preparing comp
    Type: Grant
    Filed: April 6, 2012
    Date of Patent: May 7, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Bernard R. Neustadt, Neil Lindo, William J. Greenlee, Deen Tulshian, Lisa S. Silverman, Yan Xia, Craig D. Boyle, Samuel Chackalamannil