Patents by Inventor Richard C. Effland

Richard C. Effland 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: 5252581
    Abstract: This application relates to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, m and n are as defined in the specification which are useful as modulators of neurotransmitter function such as serotonergic and adrenergic, and as such are useful as antidepressants, anxiolytics, atypical antipsychotics, antiemetics, and for the treatment of personality disorders such as obsessive compulsive disorders. Certain of the compounds are also useful as glycine partial agonists.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: October 12, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5246947
    Abstract: This invention relates to substituted pyridinylamino-1H-indoles, 1H-indazoles, 2H-indazoles, benzo[b]thiophenes and 1,2-benzisothiazoles of the formula ##STR1## wherein Q is S, N or NR.sub.2 ;Y is CH, N or NR.sub.2 ;R.sub.1 is hydrogen, loweralkyl, loweralkynyl, loweralkenyl, arylloweralkyl, loweralkoxycarbonylaminoloweralkylcarbonyl, arylloweralkoxycarbonylaminoloweralkylcarbonyl, aminoloweralkylcarbonyl, loweralkoxycarbonyl or acyl;R.sub.2 is hydrogen or loweralkyl;R.sub.3 is hydrogen or loweralkyl;X is hydrogen, loweralkyl, halogen; andn is 0 or 1; or a pharmaceutically acceptable acid addition salt thereof.The compounds of this invention are useful in the treatment of memory dysfunctions characterized by a cholinergic deficit such as the type associated with Alzheimer's disease and other memory disorders.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: September 21, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5229417
    Abstract: Novel 2-(3-phenylpropyl)hydrazines, intermediates in and processes for the preparation thereof, and a method of treating personality disorders utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: July 20, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein
  • Patent number: 5229401
    Abstract: This invention relates to substituted pyridinylamino-1H-indoles, 1H-indazoles, 2H-indazoles, benzo[b]thiophenes and 1,2-benzisothiazoles of the formula ##STR1## wherein Q is S, N or NR.sub.2 ;Y is CH, N or NR.sub.2 ;R.sub.1 is hydrogen, loweralkyl, loweralkynyl, loweralkenyl, arylloweralkyl, loweralkoxycarbonylaminoloweralkylcarbonyl, arylloweralkoxycarbonylaminoloweralkylcarbonyl, aminoloweralkylcarbonyl, loweralkoxycarbonyl or acyl;R.sub.2 is hydrogen or loweralkyl;R.sub.3 is hydrogen or loweralkyl;X is hydrogen, loweralkyl, halogen; andn is 0 or 1; or a pharmaceutically acceptable acid addition salt thereof.The compounds of this invention are useful in the treatment of memory dysfunctions characterized by a cholinergic deficit such as the type associated with Alzhemier's disease and other memory disorders.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: July 20, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5227388
    Abstract: Novel naphtho[2,3-b]thiophen-9(4H)-ones of the formula ##STR1## wherein R is loweralkyl or arylloweralkyl; X and Y are independently hydrogen, loweralkyl, halogen, loweralkoxy, or trifluoromethyl; W is CH.sub.2, CHOH, or C.dbd.O; n is 1 or 2; an optical isomer or pharmaceutically acceptable salt thereof, processes for the preparation thereof, and methods of alleviating pain utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: July 13, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5221682
    Abstract: There are described compounds of the formula ##STR1## where n is 0 or 1;X is O or NR.sub.2, R.sub.2 being hydrogen, loweralkyl or loweralkylcarbonyl;R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl; andR.sub.1 is ##STR2## wherein R.sub.3 is hydrogen, loweralkyl or loweralkylcarbonyl; m is 1 or 2; each R.sub.4 is independently hydrogen or loweralkyl; and Y is hydrogen, halogen, loweralkyl, loweralkoxy or trifluoromethyl;which compounds are useful as topical antiinflammatory agents for the treatment of various dematoses.
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: June 22, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis, Russell R. L. Hamer, Brian S. Freed
  • Patent number: 5216164
    Abstract: Novel 5-amino-5,6,7,8-tetrahydroquinolines and related compounds, intermediates and processes for the preparation thereof, and methods for relieving memory dysfunction utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: June 1, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David Fink
  • Patent number: 5215984
    Abstract: This invention relates to spiro-](piperidine-, pyrrolidine-, or -hexahydroazepinyl substituted) pyrrolo[2,1-c][1,4]-benzoxazepines] having the following formula ##STR1## wherein R is hydrogen, lower alkyl, arylloweralkyl, acyl, lower alkenyl, lower alkynyl, and loweralkylbenzisoxazole; X is hydrogen, halogen, loweralkoxy, and trifluoromethyl; Y is hydrogen; 2' or 3' acyl, formyl, carbinol of the formula ##STR2## where R.sub.1 and R.sub.2 are the same or different and are independently hydrogen, loweralkyl, arylloweralkyl, aryl, loweralkenyl, lower alkynyl and lower alkylbenzisoxazole; loweralkyl, loweralkenyl and halogen; and n is an integer of 1 to 3. The compounds of this invention display utility as analgesic and antihypertensive agents.
    Type: Grant
    Filed: November 24, 1989
    Date of Patent: June 1, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples
  • Patent number: 5214058
    Abstract: This invention relates to compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, loweralkyl, arylloweralkyl, loweralkenyl or loweralkynyl;R.sub.2 is hydrogen, loweralkyl, loweralkenyl, formyl or cyano;X is hydrogen, halogen, nitro, amino, loweralkyl, loweralkoxy or hydroxy;Y is hydrogen, loweralkyl, loweralkoxy, arylloweralkoxy, hydroxy, halogen, nitro or amino, with the proviso that when Y is hydrogen or loweralkyl, R.sub.1 is not hydrogen and R.sub.2 is not formyl; a pharmaceutically acceptable acid addition salt thereof, or where applicable, a geometric or optical isomer or racemic mixture thereof. The compounds of the invention are useful for the treatment of various memory dysfunctions characterized by a decreased cholinergic function, such as found in Alzheimer's disease and other senile dementia.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: May 25, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen
  • Patent number: 5214038
    Abstract: This invention relates to compounds of the formula ##STR1##whereinR.sub.1 is hydrogen or loweralkyl;R.sub.2 is hydrogen or loweralkyl; andR.sub.3 is hydrogen, loweralkyl, halogen, nitro, amino, hydroxy, loweralkoxy, benzyloxy or ##STR2##where R.sub.4 is hydrogen or loweralkyl and R.sub.5 is loweralkyl, aryl or arylloweralkyl, or R.sub.4 and R.sub.5 taken together form a heterocyclic ring selected from the group consisting of ##STR3##whereinR.sub.6 is hydrogen, loweralkyl, aryl or arylloweralkyl or a pharmaceutically acceptable acid addition salt thereof.The compounds of this invention are useful for alleviating depression and various memory dysfunctions characterized by a cholinergic or adrenergic deficit, such as Alzheimer's Disease.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: May 25, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen
  • Patent number: 5208330
    Abstract: There are disclosed compounds having the formula ##STR1## wherein n is 1-4; R is hydrogen, loweralkyl or loweralkylcarbonyl; R.sub.1 is hydrogen, loweralkyl, loweralkylcarbonyl, aryl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralkyl, oxygen-bridged arylloweralkyl, or oxygen-bridged diaryllowerallyl; A is a direct bond or (CHR.sub.3).sub.m, m being 1-3; X is hydrogen, loweralkyl, cycloalkyl, loweralkoxy, halogen, hydroxy, nitro, trifluoromethyl, formyl, loweralkylcarbonyl, arylcarbonyl, --SH, loweralkylthio, --NHCOR.sub.4 or --NR.sub.5 R.sub.6, R.sub.4 being hydrogen or loweralkyl, and R.sub.5 and R.sub.6 being independently hydrogen, loweralkyl or cycloalkyl; Y is O, S or NR.sub.7 ; and each R.sub.2, each R.sub.3 and R.sub.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: May 4, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Gregory M. Shutske, Richard C. Effland
  • Patent number: 5206387
    Abstract: There are disclosed compounds having the formula ##STR1## wherein n is 1-4; R is hydrogen, loweralkyl or loweralkylcarbonyl; R.sub.1 is hydrogen, loweralkyl, loweralkylcarbonyl, aryl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralkyl, oxygen-bridged arylloweralkyl, or oxygen-bridged diaryllowerallyl; A is a direct bond of (CHR.sub.3).sub.m, m being 1-3; X is hydrogen, loweralkyl, cycloalkyl, loweralkoxy, halogen, hydroxy, nitro, trifluoromethyl, formyl, loweralkylcarbonyl, arylcarbonyl, --SH, loweralkylthio, --NHCOR.sub.4 or --NR.sub.5 R.sub.6, R.sub.4 being hydrogen or loweralkyl, and R.sub.5 and R.sub.6 being independently hydrogen, loweralkyl or cycloalkyl; Y is O, S or NR.sub.7 ; and each R.sub.2, each R.sub.3 and R.sub.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: April 27, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Gregory M. Shutske, Richard C. Effland
  • Patent number: 5204480
    Abstract: There are described compounds of the formula ##STR1## where n is 1, 2 or 3;R.sub.1 is hydrogen, formyl, loweralkylcarbonyl, arylloweralkylcarbonyl, loweralkyl, arylloweralkyl, ##STR2## R.sub.5 and R.sub.6 being independently loweralkyl or alternatively the group ##STR3## taken as a whole is ##STR4## R.sub.2 is hydrogen, loweralkyl, loweralkenyl, arylloweralkyl, --CH.sub.2 C.tbd.CH, ##STR5## R.sub.7 and R.sub.8 being independently loweralkyl or alternatively the group ##STR6## taken as a whole is ##STR7## R.sub.3 is hydrogen is loweralkyl; and R.sub.4 is hydrogen or loweralkyl;which compounds are useful as analgesic agents and also for treating various memory dysfunctions.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: April 20, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, David M. Fink
  • Patent number: 5202319
    Abstract: There are disclosed various compounds of the formula below, ##STR1## where n is 1 or 2;m is 1 or 2;each X is independently hydrogen or loweralkoxy;Y is hydrogen, halogen or trifluoromethyl;R.sub.1 is hydrogen, loweralkyl, arylloweralkyl, heteroarylloweralkyl, pyridinyl, loweralkylcarbonyl, arylloweralkylcarbonyl, heteroarylloweralkylcarbonyl, trifluoromethylcarbonyl or arylcarbonyl; andR.sub.2 is hydrogen, loweralkyl, loweralkoxycarbonyl, aminoloweralkylcarbonyl, loweralkylaminoloweralkylcarbonyl or diloweralkylaminoloweralkylcarbonyl;which are useful as modulators of neurotransmitter function such as serotonergic and adrenergic, and as such are useful as antidepressants and for the treatment of personality disorders such as obsessive compulsive disorders.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: April 13, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein
  • Patent number: 5194618
    Abstract: There are disclosed compounds of the formula ##STR1## where n is 0 or 1; R is hydrogen or loweralkyl; R.sub.1 is hydrogen, loweralkyl, halogen, --CH(OH)R.sub.4, --C(OH)R.sub.4 R.sub.5 or --CH.sub.2 OR.sub.5, R.sub.4 being hydrogen, loweralkyl, arylloweralkyl or aryl, R.sub.5 being loweralkyl, aryl or arylloweralkyl, R.sub.6 being hydrogen or loweralkyl and R.sub.7 being hydrogen, loweralkyl or aryl; R.sub.2 is hydrogen, loweralkyl, loweralkenyl, loweralkynyl, --CH.sub.2 CO.sub.2 C.sub.2 H.sub.5, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl, alkynoyl, --CH.sub.2 C.tbd.CCH.sub.2 --NR'R", --CH.sub.2 CH=CHCH.sub.2 --NR'R" or --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --NR'R", R' and R" being independently loweralkyl or --NR'R" taken as a whole being ##STR2## and R.sub.
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: March 16, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Kevin J. Kapples
  • Patent number: 5185350
    Abstract: This invention relates to substituted pyridinylamino-1H-indoles, 1H-indazoles, 2H-indazoles, benzo[b]thiophenes and 1,2-benzisothiazoles of the formula ##STR1## wherein Q is S, N or NR.sub.2 ;Y is CH, N or NR.sub.2 ;R.sub.1 is hydrogen, loweralkyl, loweralkynyl, loweralkenyl, arylloweralkyl, loweralkoxycarbonylaminoloweralkylcarbonyl, arylloweralkoxycarbonylaminoloweralkylcarbonyl, aminoloweralkylcarbonyl, loweralkoxycarbonyl or acyl;R.sub.2 is hydrogen or loweralkyl;R.sub.3 is hydrogen or loweralkyl;X is hydrogen, loweralkyl, halogen; andn is 0 or 1; or a pharmaceutically acceptable acid addition salt thereof.The compounds of this invention are useful in the treatment of memory dysfunctions characterized by a cholinergic deficit such as the type associated with Alzheimer's disease and other memory disorders.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: February 9, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5179204
    Abstract: This invention relates to N-heteroaryl-4-pyrimidinamines of the formula ##STR1## where R.sub.1 is hydrogen, loweralkyl, aryl, or arylloweralkyl; R.sub.2 and R.sub.3 are independently hydrogen or loweralkyl, or R.sub.2 and R.sub.3 taken together are aryl; R.sub.4 and R.sub.5 are independently hydrogen or loweralkyl, or R.sub.4 and R.sub.5 taken together are aryl; X is hydrogen, halogen, cyano, nitro, amino, loweralkyl, loweralkoxy, trifluoromethyl or ##STR2## where Y is hydrogen, halogen or loweralkyl; m is an integer of 1 to 3; and the pharmaceutically acceptable acid addition salts thereof and where applicable the geometrical and optical isomers and racemic mixtures thereof. The compounds of this invention display utility as memory enhancing agents and as analgesic agents.
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: January 12, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis, Gordon E. Olsen
  • Patent number: 5179119
    Abstract: This invention relates to 1,3-dihydro-1-(pyridinylamino)-2H-indol-2-ones of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; or R.sub.2 and R.sub.3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl cycloalkane or heterocycloalkyl selected from the group consisting of piperidine and tetrahydropyran; X and Y are independently hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m and n are independently integers of 1 to 3, the pharmaceutically acceptable acid addition salts thereof and, where applicable the optical, geometrical and stereoisomers and racemic mixtures thereof. The compounds of this invention display utility as analgesics, anticonvulsants, for enhancing memory and for the treatment of Alzheimer's disease.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: January 12, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5179099
    Abstract: This invention relates to 2,3-dihydro-1-(pyridinylamino)-indoles of the formula ##STR1## wherein R.sub.1 is hydrogen, loweralkyl, aryl, arylloweralkyl, alkenyl, alkynyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; R.sub.2 and R.sub.3 and independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; or R.sub.2 and R.sub.3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl or heteroaryl; the term heteroaryl signifying a group selected from pyridine or thiophene; X and Y are independently hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m and n are independently integers of 1 to 3, or a pharmaceutically acceptable acid addition salt thereof or where appropriate, an optical, geometrical or stereoisomer or racemic mixture thereof.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: January 12, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David G. Wettlaufer, Joseph T. Klein
  • Patent number: 5177088
    Abstract: There are disclosed various compounds of the formula below, ##STR1## where R.sub.1, W, X, Y and Z are as defined in the specification; which are useful for alleviating various memory dysfunctions such as Alzheimer's disease, as modulators of neurotransmitter function such as serotonergic and adrenergic, and as such are useful as antidepressants, anxiolytics, atypical antipsychotics, antiemetics, and for the treatment of personality disorders such as obsessive compulsive disorders.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: January 5, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin