| abstract |
Disclosed is a process for preparing a compound of Formula (I) or a pharmaceutically acceptable salt, solvate, polymorph or stereoisomer thereof, comprising the step of reacting 3-aminophthalic acid or a salt thereof with a 3-aminoglutarimide compound or a salt thereof, in a solvent and in the presence of triethylamine and acetic acid, wherein R1 is H, F, benzyl, (C1-C8)alkyl, (C2-C8)alkenyl or (C2-C8)alkynyl. |