Patents by Inventor James P. Snyder

James P. Snyder 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: 6583292
    Abstract: Described herein is a method for preparing an ester by (a) admixing a compound having the formula I: with a base to form an intermediate, and (b) admixing the intermediate produced in step (a) with a compound composed of an alcohol, an alkoxide, or a combination thereof, wherein steps (a) and (b) are performed in situ.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: June 24, 2003
    Assignee: Emory University
    Inventors: Dennis C. Liotta, Hariharan Venkatesan, Laura Captain, Michael V. Voronkov, James P. Snyder, Marcus A. Schestopol
  • Publication number: 20030027806
    Abstract: The present invention provides synthetic methods and compositions for treatment of autoimmune and anti-inflammatory disorders comprising administering an effective amount of a derivative of triptolide alone or in combination or alternation with other anti-autoimmune or anti-inflammatory compounds.
    Type: Application
    Filed: October 2, 2001
    Publication date: February 6, 2003
    Inventors: Susheng Wang, Dennis C. Liotta, James P. Snyder, Hariharan Venkatesan
  • Publication number: 20020128208
    Abstract: The disclosed invention is a composition agonists and/or antagonists of V2, V1a or both receptors, in a host, including animals, and especially humans, using a small molecule or its pharmaceutically acceptable salt or prodrug.
    Type: Application
    Filed: December 17, 2001
    Publication date: September 12, 2002
    Inventors: James P. Snyder, Dennis C. Liotta, Hariharan Venkatesan, Minmin Wang, Matthew C. Davis
  • Publication number: 20020087026
    Abstract: The invention relates to a method for preparing an ester, by admixing a compound having the structure I: 1
    Type: Application
    Filed: February 6, 2002
    Publication date: July 4, 2002
    Applicant: Emory University
    Inventors: Dennis C. Liotta, Hariharan Venkatesan, Laura Captain, Michael V. Voronkov, James P. Snyder, Marcus A. Schestopol
  • Patent number: 6399783
    Abstract: The invention relates to a method for preparing an ester, by admixing a compound having the structure I or IV: with a base and an alcohol to produce an ester, wherein the alcohol is a precursor to Taxol and its analogs. The present invention also relates to compounds having the structure I and IV and methods of main them therefor. The invention also relates to the esterification of an alcohol by adding an alkoxide to a compound having the structure, VII: The invention further relates to compounds having the structure I, IV, and VII and methods of making them therefor. The invention further relates to alcohols, and in particular, alcohols that are synthetic precursors to Taxol and analogs thereof.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: June 4, 2002
    Assignee: Emory University
    Inventors: Dennis C. Liotta, Hariharan Venkatesan, Laura Captain, Michael V. Voronkov, James P. Snyder, Marcus A. Schestopol
  • Publication number: 20020019382
    Abstract: The present invention is directed to curcumin analogs exhibiting anti-tumor and anti-angiogenic properties, pharmaceutical formulations including such compounds and methods of using such compounds.
    Type: Application
    Filed: December 4, 2000
    Publication date: February 14, 2002
    Inventors: James P. Snyder, Matthew C. Davis, Brian Adams, Mamoru Shoji, Dennis C. Liotta, Eva M. Ferstl, Ustun B. Sunay
  • Patent number: 6150537
    Abstract: The invention relates to a method for preparing an ester, by admixing a compound having the structure I or IV: ##STR1## with a base and an alcohol to produce an ester, wherein the alcohol is a precursor to Taxol and its analogs. The present invention also relates to compounds having the structure I and IV and methods of making them therefor. The invention also relates to the esterification of an alcohol by adding an alkoxide to a compound having the structure VII: ##STR2## The invention further relates to compounds having the structure I, IV, and VII and methods of making them therefor. The invention further relates to alcohols, and in particular, alcohols that are synthetic precursors to Taxol and analogs thereof.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: November 21, 2000
    Assignee: Emory University
    Inventors: Dennis C. Liotta, Hariharan Venkatesan, Laura Captain, Michael V. Voronkov, James P. Snyder, Marcus A. Schestopol
  • Patent number: 5212198
    Abstract: This invention relates to compounds of Formula I and the stereoisomers and pharmaceutically acceptable salts thereof ##STR1## wherein R is alkyl, alkenyl, alkynyl, or (CH.sub.2).sub.m R.sup.3 whereR.sup.3 is cycloalkyl and m is 1 or 2;R.sup.1 is alkyl;R.sup.2 is hydrogen or alkyl;R.sup.4 is alkyl;n is an integer from 1 to 5;p is an integer from 0 to 6;Y is NH, oxygen or sulfur; andZ is hydrogen, alkyl, alkoxy, NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 are independently hydrogen or alkyl, or SR.sup.6 wherein R.sup.6 is hydrogen, benzyl or alkyl.The compounds of Formula I are leukotriene B.sub.4 antagonists and are useful as anti-inflammatory agents and in the treatment of leukotriene B.sub.4 mediated conditions.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: May 18, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Stevan W. Djuric, Thomas D. Penning, James P. Snyder
  • Patent number: 5192782
    Abstract: This invention relates to compounds of Formula I and the stereoisomers and pharmaceutically acceptable salts thereof ##STR1## wherein R is alkyl, alkenyl, alkynyl, or (CH.sub.2).sub.m R.sup.3 whereR.sup.3 is cycloalkyl and m is 1 or 2;R.sup.1 is alkyl;R.sup.2 is hydrogen or alkyl;R.sup.4 is alkyl;n is an integer from 1 to 5;p is an integer from 0 to 6;Y is oxygen; andZ is hydrogen, alkyl, alkoxy, NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 are independently hydrogen or alkyl, or SR.sup.6 wherein R.sup.6 is hydrogen, benzyl or alkyl.The compounds of Formula I are leukotriene B.sub.4 antagonists and are useful as anti-inflammatory agents and in the treatment of leukotriene B.sub.4 mediated conditions.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: March 9, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Stevan W. Djuric, Thomas D. Penning, James P. Snyder
  • Patent number: 5073562
    Abstract: This invention relates to compounds of Formula I and the stereoisomers and pharmaceutically acceptable salts thereof ##STR1## wherein R is alkyl, alkenyl, alkynyl, or (CH.sub.2).sub.m R.sup.3 whereR.sup.3 is cycloalkyl and m is 1 or 2;R.sup.1 is alkyl;R.sup.2 is hydrogen or alkyl;R.sup.4 is alkyl;n is an integer from 1 to 5;p is an integer from 0 to 6;Y is NH, oxygen or sulfur; andZ is hydrogen, alkyl, alkenoxy, NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 are independently hydrogen or alkyl, or SR.sup.6 wherein R.sup.6 is hydrogen, benzyl or alkyl.The compounds of Formula I are leukotriene B.sub.4 antagonists and are useful as anti-inflammatory agents and in the treatment of leukotriene B.sub.4 mediated conditions.
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: December 17, 1991
    Assignee: G. D. Searle & Co.
    Inventors: Stevan W. Djuric, Thomas D. Penning, James P. Snyder
  • Patent number: 4704382
    Abstract: The invention relates to compounds of the formula: ##STR1## which are useful cardiovascular agents.
    Type: Grant
    Filed: July 8, 1986
    Date of Patent: November 3, 1987
    Assignee: G. D. Searle & Co.
    Inventors: Robert J. Chorvat, Kerry W. Fowler, James P. Snyder