A compound of the formula
wherein R1 is a straight or branched alkyl group having from 1 to 6 carbon atoms, phenyl, or cycloalkyl having from 3 to 6 carbon atoms; R2 is hydrogen or methyl; and R3 is hydrogen, methyl or carboxyl; which is useful in the treatment of seizure disorders. Processes are disclosed for the preparation of the compound. Intermediates prepared during the synthesis of the compound are also disclosed.
该化合物的
化学式为,其中R1是直链或支链烷基基团,含有1至6个碳原子,苯基,或含有3至6个碳原子的环烷基;R2是氢或甲基;R3是氢,甲基或羧基;该化合物在治疗癫痫障碍方面具有用途。公开了制备该化合物的方法。还公开了在合成该化合物过程中制备的中间体。