URETHANE MEDIATED, GST SPECIFIC MOLECULAR RELEASE SYSTEMS

摘要

Compounds of the formula or of the formula or the amides, esters or salts thereof, wherein: Sx is S=O, O=S=O, S=NH, HN=S=O, Se=O, O=Se=O, Se=NH, HN=Se=O, S+R3 wherein R3 is alkyl (1-6C) or O-C=O or HN-C=O; each R of R1, and R2 is independently H or a noninterfering substituent; wherein (conj) represents a conjugated system capable of transmitting electrons; n is 0 or 1; YCO is selected from the group consisting of gamma -Glu, gamma -Glu-Gly, Glu, Glu-Gly, beta Asp, beta -Asp-Gly, Asp and Asp-Gly; AAC is an amino acid linked through a peptide bond to the remainder of said compound of Formula 1; and N(Z) represents a reduced nitrogen-containing leaving group and L represents an electron-withdrawing leaving group, are useful as prodrugs and to generate active components released by the activity of glutathione S-transferase.