| abstract |
The present invention provides a prodrug of D-gamma-glutamyl- [D / L] -tryptophan, which prodrug is a compound of formula I or a pharmaceutically acceptable salt thereof, [Chemical 1] Where G is C 1 -C 8 alkyl or benzyl, T is C 1 -C 8 alkyl or benzyl, * is a chiral carbon in the (R) or (S) configuration, provided that * is ( R) the case of the arrangement, at least one of G and T is a C 5 -C 8 alkyl. In addition, the present invention provides the use of a compound of formula I in a pharmaceutical composition. |