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: 6413986
    Abstract: Novel [[(aminocarbonyloxy)-1-indan]-2-yl]methylpiperidines of the formula wherein R is hydrogen, loweralkyl, or a group of the formula R1 is hydrogen or a group of the formula W, X and Y are hydrogen, loweralkyl, loweralkoxy, halogen, nitrogen, or trifluoromethyl; n is 1 or 2; the pharmaceutically acceptable acid addition salts thereof intermediates of the formula and process for the preparation thereof, and a method of relieving memory dysfunction, employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: July 2, 2002
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Raymond W. Kosley, Jr., Bettina Spahl, Richard C. Effland
  • Patent number: 5688816
    Abstract: This invention relates to compounds of the formula ##STR1## where R.sub.1 -R.sub.6, X and Y are as defined in the specification, which are useful for the treatment of various memory dysfunctions characterized by a cholinergic deficit and thus may be indicated in the treatment of Alzheimer's disease.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: November 18, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen
  • Patent number: 5686626
    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: April 28, 1995
    Date of Patent: November 11, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5631270
    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 that are useful in the treatment of memory dysfunctions.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: May 20, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5621116
    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, thienyhmethyl, 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: April 27, 1995
    Date of Patent: April 15, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5519032
    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: October 6, 1993
    Date of Patent: May 21, 1996
    Assignee: Hoechst Marion Roussel Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5519131
    Abstract: This application relates to a process for the preparation of indolylpyridooxazines of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification which comprises cyclizing compound of the formula ##STR2## in the presence of a strong base such as sodium hydride or potassium t-butoxide.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: May 21, 1996
    Assignee: Hoechst Marion Roussel Inc.
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen
  • Patent number: 5464846
    Abstract: This application is a continuation-in-part of pending U.S. patent application Ser. No. 388,437, filed Aug. 2, 1989.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 or 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.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: November 7, 1995
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5455245
    Abstract: This invention relates to compounds of the formula ##STR1## where R.sub.1 -R.sub.6, X and Y are as defined in the specification, which are useful for the treatment of various memory dysfunctions characterized by a cholinergic deficit and thus may be indicated in the treatment of Alzheimer's disease.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: October 3, 1995
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen
  • Patent number: 5424322
    Abstract: This invention relates to compositions of substituted pyridinylamino-1H-indoles of the formula ##STR1## wherein Q is N or NR.sub.2 ;Y is CHR.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 with utility in the treatment of personality disorders as obsessive compulsive disorders.
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: June 13, 1995
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5405856
    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;eachR.sub.4 is independently hydrogen or loweralkyl; andY is hydrogen, halogen, loweralkyl, loweralkoxy or trifluoromethyl;which compounds are useful as topical antiinflammatory agents for the treatment of various dermatoses.
    Type: Grant
    Filed: April 2, 1993
    Date of Patent: April 11, 1995
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis, Russell R. L. Hamer, Brian S. Freed
  • Patent number: 5389629
    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: January 10, 1991
    Date of Patent: February 14, 1995
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Gregory M. Shutske, Richard C. Effland
  • Patent number: 5328918
    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: March 25, 1993
    Date of Patent: July 12, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin
  • Patent number: 5328920
    Abstract: There are disclosed various compounds of the formula below, ##STR1## where R, 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 functions 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 disorder.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: July 12, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein, Lawrence L. Martin, Gregory M. Shutske, Kevin J. Kapples, John D. Tomer, IV
  • Patent number: 5310914
    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: March 19, 1993
    Date of Patent: May 10, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David Fink
  • Patent number: 5296488
    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 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 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: November 5, 1992
    Date of Patent: March 22, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, David G. Wettlaufer, Joseph T. Klein
  • Patent number: 5276156
    Abstract: This invention relates to 1-(pyrido[3,4-b]-1,4-oxazinyl-4-yl)-1H-indoles of the formula ##STR1## where R.sub.1 -R.sub.3 are as defined herein which are useful for alleviation of depression and various memory dysfunction characterized by a cholinergic or adrenergic deficit. This invention also relates to intermediate compounds of the formula ##STR2## where R.sub.1, R.sub.2, R.sub.3, R.sub.7 and X are as defined herein.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: January 4, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen
  • Patent number: 5268468
    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: May 24, 1993
    Date of Patent: December 7, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Joseph T. Klein
  • Patent number: 5264442
    Abstract: This invention relates to compounds of the formula ##STR1## where R.sub.1 -R.sub.6, X and Y are as defined in the specification, which are useful for the treatment of various memory dysfunctions characterized by a cholinergic deficit and thus may be indicated in the treatment of Alzheimer's disease.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: November 23, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Larry Davis, Gordon E. Olsen
  • Patent number: 5260319
    Abstract: Novel thienobenzoxepins and naphthothiophenes, intermediates and processes for the preparation thereof, and methods of alleviating pain utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: November 9, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David G. Wettlaufer