The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1994
Filed:
Jun. 08, 1992
Jack B Jiang, Chapel Hill, NC (US);
Mary G Johnson, Carrboro, NC (US);
Sphinx Pharmaceuticals Corporation, Durham, NC (US);
Abstract
##STR1## The present invention provides novel substituted anthraquinones having formula (.alpha.), wherein R.sub.1 and R.sub.2 are independently H, C.sub.1 -C.sub.10 alkyl, aryl, arylalkyl, alkylaryl, or R.sub.1 and R.sub.2 taken together with the adjacent nitrogen atom N form a substituted or unsubstituted cyclic ring which may contain additional heteroatoms; 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)=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 ; and R.sub.6, R.sub.7, R.sub.8, R.sub.9, and R.sub.10 are independently H, lower alkyl, or aryl 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.