Patent ID: 6593341
Filing Date: 2003-07-15
Classification: C07D

Abstract:
A compound having the structure: wherein:one of R1 and R2 is OH and the other is either R7â€”NH, wherein R7 is an acyl group, or NHS(O)2R, wherein R is alkyl or aryl, or R1 is OH and R2 is NO2 or NH2; R3, R4, and R5 are each independently selected from the group consisting of hydrogen, halogen, alkyl, alkylaryl, aminoalkyl, thioalkyl, O-alkyl, â€”NHCH2CH2CH2C(O)OH, and â€”NHCH2CH2CH2C(O)OCH3; and R6 is an acid moiety that forms an acid salt with the NH group.