Patents by Inventor Cynthia A. Maryanoff

Cynthia A. Maryanoff 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: 6384233
    Abstract: A process for making a compound of formula I wherein the substituents are as described in the specification comprising reacting a ketone of formula II with succinic anhydride and an alkoxide base to form a compound of formula III which is reacted with a compound of formula IV to form a compound of V and reacting with an alcohol to form the corresponding ester of formula VI and reacting the ester with N-methylhydroxylamine.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: May 7, 2002
    Inventors: Ahmed F. Abdel-Magid, Bruce D. Harris, Cynthia A. Maryanoff
  • Patent number: 6384035
    Abstract: This invention relates a to a series of heterocyclic substituted piperazines of Formula I pharmaceutical compositions containing them and intermediates used in their manufacture. The compounds of the invention selectively inhibit binding to the &agr;-1a adrenergic receptor, a receptor which has been implicated in benign prostatic hyperplasia. As such the compounds are potentially useful in the treatment of this disease.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: May 7, 2002
    Assignee: Ortho-McNeil Pharmaceutical, Inc.
    Inventors: Richard H. Hutchings, Haripada Khatuya, Gee-Hong Kuo, Xiaobing Li, William V. Murray, Catherine Prouty, Frank Villani, Nelson C. F. Yim, Cynthia Maryanoff
  • Publication number: 20020052524
    Abstract: The invention relates to a process for preparing (−)-(1S,4R) N protected 4-amino-2-cylcopentene-1-carboxylate esters represented by the formula (I) 1
    Type: Application
    Filed: December 18, 2001
    Publication date: May 2, 2002
    Inventors: Max Rey, Gregor Welti, Cynthia Maryanoff
  • Publication number: 20020032336
    Abstract: A process for making a compound of formula I wherein the substituents are as described in the specification comprising reacting a ketone of formula II with succinic anhydride and an alkoxide base to form a compound of formula III 1
    Type: Application
    Filed: September 28, 2001
    Publication date: March 14, 2002
    Inventors: Ahmed F. Abdel-Magid, Bruce D. Harris, Cynthia A. Maryanoff
  • Patent number: 6303594
    Abstract: This invention relates to a series of arylsubstituted piperazines, of Formula I pharmaceutical compositions containing them and intermediates used in their manufacture. The compounds of the invention selectively inhibit binding to the &agr;-1a adrenergic receptor, a receptor which has been implicated in benign prostatic hyperplasia. As such the compounds are potentially useful in the treatment of this and other disease.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: October 16, 2001
    Assignee: Ortho-McNeil Pharmaceutical, Inc.
    Inventors: Linda Jolliffe, William Murray, Virginia Pulito, Allan Reitz, Xiaobing Li, Linda Mulcahy, Cynthia Maryanoff, Frank Villani
  • Publication number: 20010029300
    Abstract: A process for the synthesis of a compound of the formula 1
    Type: Application
    Filed: May 15, 2001
    Publication date: October 11, 2001
    Inventors: Ahmed F. Abdel-Magid, Judith H. Cohen, Cynthia A. Maryanoff, Frank John Villani, Hua M. Zhong
  • Patent number: 6258956
    Abstract: A process for the synthesis of a compound of the formula wherein R1 is aryl, heteroaryl, substituted aryl or substituted heteroaryl and R2 is hydrogen, alkyl or aralkyl, or salt thereof.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: July 10, 2001
    Assignee: Ortho-McNeil Pharmaceutical, Inc.
    Inventors: Ahmed F. Abdel-Magid, Judith H. Cohen, Cynthia A. Maryanoff, Frank John Villani, Jr., Hua M. Zhong
  • Patent number: 6071915
    Abstract: This invention relates to a series of arylsubstituted piperazines, of Formula I ##STR1## pharmaceutical compositions containing them and intermediates used in their manufacture. The compounds of the invention selectively inhibit binding to the .alpha.-1a adrenergic receptor, a receptor which has been implicated in benign prostatic hyperplasia. As such the compounds are potentially useful in the treatment of this and other disease.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: June 6, 2000
    Assignee: Ortho-McNeil Pharmaceutical, Inc.
    Inventors: Linda Jolliffe, William Murray, Virginia Pulito, Allen Reitz, Xiaobing Li, Linda Mulcahy, Cynthia Maryanoff, Frank Villani
  • Patent number: 5449677
    Abstract: Compounds of the general formula I ##STR1## are disclosed as novel antipsychotic agents. Pharmaceutical compositions and methods of treating convulsions employing such compounds of formula I are also disclosed.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: September 12, 1995
    Assignee: McNeilab, Inc.
    Inventors: Cynthia A. Maryanoff, Allen B. Reitz, Malcolm K. Scott
  • Patent number: 5399757
    Abstract: This invention is directed to an efficient, mild, high yield process for the large scale synthesis of N-(4-hydroxyphenyl)-retinamide comprising the preferred steps of reacting retinoic acid with dimethylchloroformamidinium chloride to from retinoyl chloride which in turn is reacted with bis-(N,O)-trimethylsilyl-p-aminophenol to eventually form N-(4-hydroxyphenyl)-retinamide and to the novel use of bis-(N,O)-trimethylsilyl-p-aminophenol to eventually form a hydroxyphenylamide, particularly N-(4-hydroxyphenylretinamide and methods of recrystallizing N-(4-hydroxyphenyl)-retinamide to obtain the stable "A" polymorph thereof.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: March 21, 1995
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Cynthia A. Maryanoff
  • Patent number: 5387700
    Abstract: A process for producing chlorosulfate and sulfamate esters of 2,3:4,5-bis-O-(1-methylethylidene)-.beta.-D-fructopyranose and (1-methylcyclohexyl)methanol is disclosed. The process involves a two step procedure involving in the first step reacting of an alcohol with sulfuryl chloride in the presence of a tertiary or heterocyclic amine base in a solvent selected from the group consisting of toluene, t-butyl methyl ether or tetrahydrofuran to produce a chlorosulfate intermediate, which is preferably stabilized by an aqueous wash and/or treatment with a base, and in the second step reacting of the resulting intermediate with an amine in a solvent selected from the group consisting of t-butyl methyl ether, tetrahydrofuran and lower alkanol.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: February 7, 1995
    Assignee: McNeilab, Inc.
    Inventors: Cynthia A. Maryanoff, Lorraine Scott, Kirk L. Sorgi
  • Patent number: 5314885
    Abstract: Compounds of the general formula I ##STR1## are disclosed as novel antipsychotic agents. Pharmaceutical compositions and methods of treating convulsions employing such compounds of formula I are also disclosed.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: May 24, 1994
    Assignee: McNeilab, Inc.
    Inventors: Malcolm K. Scott, Allen B. Reitz, Cynthia A. Maryanoff, Frank J. Villani, Jr.
  • Patent number: 5258525
    Abstract: The processes provide for the preparation of a [2S-(2.alpha., 3a.beta., 7a.beta.)]-octahydro-lH-indole-2-carboxylic ester from an ester precursor by a stereospecific hydrogenation at a pressure below about 400 psi. In addition, the processes provide for the preparation of [2S-(2.alpha.m 3a.beta., 7a.beta.)]-octahydro-lH-indole-2-carboxylic acid or a ester thereof by the hydrogenation of a (2S)-2-carboxyindoline acid precursor.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: November 2, 1993
    Assignee: McNeilab, Inc.
    Inventors: Cynthia A. Maryanoff, Cynthia L. Fedde, Robin C. Stanzione, Frank J. Villani, Jr.
  • Patent number: 5223541
    Abstract: This invention relates to a tramadol N-oxide material, enantiomers and compositions thereof and their use. The tramadol N-oxide material and compositions thereof are pharmacologically useful in treating pain, diarrhea and tussive conditions. The tramadol N-oxide is also subject to less side-effects as compared to pure opiate based compositions, such as abuse liability, tolerance, constipation and respiratory depression. Furthermore, the tramadol N-oxide material when administered orally exhibits analgesia for a longer duration than an equi-analgesic amount of tramadol.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: June 29, 1993
    Assignee: McNeilab, Inc.
    Inventors: Cynthia A. Maryanoff, Robert B. Raffa, Frank J. Villani
  • Patent number: 4908450
    Abstract: A diastereoselective process for known antidepressive compounds (I) via reduction of the corresponding alcohol (VII): ##STR1## whereby the product mixture of diastereomers is surprisingly and unexpectedly rich in the content of the trans configuration (II) over the cis configuration (III) as defined in the following formulae: ##STR2## The preferred reaction conditions include use of a borane complex as the reducing agent and an acidic solvent such as trifuloroacetic acid.
    Type: Grant
    Filed: January 31, 1989
    Date of Patent: March 13, 1990
    Assignee: McNeilab, Inc.
    Inventors: Bruce E. Maryanoff, Cynthia A. Maryanoff, David F. McComsey, Kirk L. Sorgi
  • Patent number: 4851094
    Abstract: An efficient synthesis of quanidines, e.g. of the formula (III), by oxidizing a thiourea, e.g. of the following formula (II): ##STR1## with H.sub.2 O.sub.2 and a molybdenum catalyst to yield an aminoiminomethane sulfonic acid which can then be reacted with an amine followed by optional transamination steps.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: July 25, 1989
    Assignee: McNeilab, Inc.
    Inventors: Cynthia A. Maryanoff, James N. Plampin, Robin C. Stanzione
  • Patent number: 4837328
    Abstract: A diastereoselective process for known antidepressive compounds (I) via reduction of the corresponding alcohol (VII): ##STR1## whereby the product mixture of diastereomers is surprisingly and unexpectedly rich in the content of the trans configuration (II) over the cis configuration (III) as defined in the following formulae: ##STR2## The preferred reaction conditions include use of a borane complex as the reducing agent and an acidic solvent such as trifluoroacetic acid.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: June 6, 1989
    Assignee: McNeilab, Inc.
    Inventors: Bruce E. Maryanoff, Cynthia A. Maryanoff, David F. McComsey, Kirk L. Sorgi
  • Patent number: 4798893
    Abstract: A method for the synthesis of the 2-propanone (I) is described starting from alkoxide (II) through the lactone (IV). ##STR1## Excellent control of the location of the substitution on the phenyl ring is achieved and the reaction proceeds in high yield.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: January 17, 1989
    Assignee: McNeilab, Inc.
    Inventors: David A. Cherry, Cynthia A. Maryanoff, John E. Mills, Roy A. Olofson, James D. Rodgers
  • Patent number: 4781866
    Abstract: An efficient synthesis of quanidines, e.g. of the formula (III), by oxidizing a thiourea, e.g. of the following formula (II): ##STR1## with H.sub.2 O.sub.2 and a molybdenum catalyst to yield an aminoiminomethane sulfonic acid which can then be reacted with an amine followed by optional transamination steps.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: November 1, 1988
    Assignee: McNeilab, Inc.
    Inventors: Cynthia A. Maryanoff, James N. Plampin, Robin C. Stanzione
  • Patent number: 4772755
    Abstract: A method for synthesizing a tri-substituted phenyl compound (I) by using a 1,2-addition followed by a 1,4-addition to 1,4-benzoquinone (II): ##STR1## wherein X is hydroxy, alkoxy or alkanoyloxy, Ar.sup.1 is an organic group and R is an unsubstituted or substituted alkyl group.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: September 20, 1988
    Assignee: McNeilab, Inc.
    Inventors: Dennis C. Liotta, Cynthia A. Maryanoff, Vasken Paragamian