PROCESS FOR THE PREPARATION OF BENZO-USED HETEROARYL SULFAMATES AND CRYSTALLINE FORM OF N-(((2S)-6-CHLORO-2,3-DIHYDRO-L,4-BENZODIOXIN-2-YL) METHYLSULFAMINE

摘要

The present invention is directed to a process for the preparation of benzo-fused heteroaryl sulfamates, useful for the treatment of epilepsy and related disorders according to formula (IA) and to a crystalline compound of formula (I-S). Process for the preparation of a compound of formula (IA).