Patents Assigned to Sphinx Pharmaceuticals Corporation
  • Patent number: 5432198
    Abstract: Compounds having the formula ##STR1## are useful as inhibitors of protein kinase C. Also disclosed are pharmaceutical compositions including such compounds and methods for using such compounds to inhibit protein kinase C in animals, including man.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: July 11, 1995
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventor: G. Erik Jagdmann, Jr.
  • Patent number: 5360818
    Abstract: The present invention provides compounds having the formula ##STR1## wherein R.sub.1 is alkyl, alkenyl and alkynyl having from 2 to about 20 carbon atoms; R.sub.2, R.sub.3 and R.sub.6 are independently H, phenyl or alkyl having from 1 to about 20 carbon atoms; and R.sub.4 and R.sub.5 are independently H, R.sub.6 imino, or amidino, and pharmaceutically acceptable salts thereof which are useful for inhibiting protein kinase C and treating conditions related to, or affected by inhibition of protein kinase C, particularly cancer tumors, inflammatory disease, reperfusion injury, and cardiac dysfunctions related to reperfusion injury.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: November 1, 1994
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventors: Jack B. Jiang, Mary G. Johnson, Jeffrey Nichols
  • Patent number: 5344841
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: September 6, 1994
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventors: Jack B. Jiang, Mary G. Johnson
  • Patent number: 5292737
    Abstract: N,N'-Bis(sulfonamido)-2-amino-4-iminonaphthalen-1-ones and N,N'-Bis(amido)-2-amino-4-iminonaphthalen-1-ones are disclosed. Methods of inhibiting protein kinase C activity which comprises contacting protein kinase C with an effective amount of an N,N'-Bis(sulfonamido)-2-amino-4-iminonaphthalen-1-one or an N,N'-Bis(amido)-2-amino-4-iminonaphthalen-1-one are disclosed. Methods of treating an animal that is suspected of suffering from inflammatory, cardiovascular and/or neoplastic diseases which comprises administering an effective amount of an N,N'-Bis(sulfonamido)-2-amino-4-iminonaphthalen-1-one or an N,N'-Bis(amido)-2-amino-4-iminonaphthalen-1-one are disclosed.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: March 8, 1994
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventor: Jean M. Defauw
  • Patent number: 5270310
    Abstract: The present invention provides methods for inhibiting protein kinase C which comprise contacting protein kinase C with an inhibitory amount of a compound having the formula ##STR1## wherein R.sub.1 is C.sub.8 through C.sub.15 alkyl; R.sub.2 is H, C.sub.1 through C.sub.10 alkyl, or benzyl; R.sub.3 is N-heterocyclic, N-alkylheterocyclic, quaternized N-heterocyclic, NR.sub.4 R.sub.5 or N.sup.+ R.sub.4 R.sub.5 R.sub.6 X.sup.- ; R.sub.4, R.sub.5 and R.sub.6 are independently C.sub.1 through C.sub.10 alkyl; n is 2, 3, 4, or 5; and X is an anion. The invention also provides novel compounds having the formula ##STR2## wherein R.sub.1 is C.sub.8 through C.sub.15 alkyl; R.sub.2 is H, C.sub.1 through C.sub.10 alkyl, or benzyl; R.sub.3 is N-heterocyclic, N-alkylheterocyclic or quaternized N-heterocyclic; and n is 2, 3, 4, or 5.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: December 14, 1993
    Assignees: Sphinx Pharmaceuticals Corporation, Duke University
    Inventors: Robert M. Bell, Robert J. Fogelsong, Jeffrey B. Nichols
  • Patent number: 5216014
    Abstract: The present invention provides novel furocoumarinsufonamide derivatives having the formula ##STR1## wherein R.sub.1, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently H or lower alkyl; m, n and p are independently 2, 3, 4, 5 or 6; A is NR.sub.4 (CH.sub.2).sub.P NR.sub.5, NR.sub.6, O or S; R.sub.2 is independently H, lower alkyl or a moiety of the formula ##STR2## useful for inhibiting protein kinase C and treating conditions related to, or affected by inhibition of protein kinase C, particularly cancer tumors, inflammatory disease, reperfusion injury, and cardiac dysfunctions related to reperfusion injury.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: June 1, 1993
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventors: Jack B. Jiang, Mary G. Johnson
  • Patent number: 5204370
    Abstract: The present invention provides novel substituted anthraquinones having the formula ##STR1## wherein R.sub.1 and R.sub.2 are independently H, C.sub.1 -C.sub.10 alkyl, aryl, arylalkyl, alkylaryl;n and m are independently 1, 2, or 3;A is Halogen, OH, alkoxy, OCO(NR.sub.3 R.sub.4), S--C(NH.sub.2).dbd.NR.sub.5, or when m=1, comprises an oxirane ring with the adjacent oxygen atom;R.sub.3, R.sub.4, and R.sub.5 are independently H, alkyl, or aryl;X is H, OH, NR.sub.6 R.sub.7, Cl, Br, I, F, alkyl, aryl, alkoxy, aryloxy, COOR.sub.8, or CONR.sub.9 R.sub.10 ; andR.sub.6, R.sub.7, R.sub.8, R.sub.9, and R.sub.10 are independently H, lower alkyl, or aryluseful for inhibiting protein kinase C and treating conditions related to, or affected by inhibition of protein kinase C, particularly cancer tumors, inflammatory disease, reperfusion injury, and cardiac dysfunctions related to reperfusion injury.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: April 20, 1993
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventors: Jack B. Jiang, Mary G. Johnson
  • Patent number: 5141957
    Abstract: The present invention provides novel substituted anthraquinones having the formula ##STR1## wherein R.sub.1 and R.sub.2 are independently H, alkyl, aryl, or arylalkyl;m and n are independently 1, 2, or 3;X is H, OH, NR.sub.3 R.sub.4, Cl, Br, I, F, alkyl, aryl alkoxy, aroxy, COOR.sub.5, or CONR.sub.6 R.sub.7 ;R.sub.3, R.sub.4, R.sub.5, R.sub.6, and R.sub.7 are independently H, lower alkyl or aryluseful for inhibiting protein kinase C and treating conditions related to, or affected by inhibition of protein kinase C, particularly cancer tumors, inflammatory disease, reperfusion injury, and cardiac dysfunctions related to reperfusion injury.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: August 25, 1992
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventors: Jack B. Jiang, Mary G. Johnson