| abstract |
The present invention provides pro-drugs of D-gamma-glutamyl-[D/L]-tryptophan, said pro-drugs are compounds of Formula I or pharmaceutically acceptable salts thereof, wherein G is C 1 -C 8 alkyl or benzyl, T is C 1 -C 8 alkyl or benzyl, and * is a chiral carbon in a (R) or (S) configuration, provided that when * is in the (R) configuration, at least one of G and T is C 5 -C 8 alkyl; and use of compounds of Formula I in a pharmaceutical composition. |