ENANTIOMERS OF SPIRO-OXINDOLE COMPOUNDS AND THEIR USES AS THERAPEUTIC AGENTS

摘要

This invention is directed to a method of preparation of the (S)-enantiomer of the compound of formula (I):
This (S)-enantiomer is useful for the treatment of diseases or conditions, such as pain, which are ameliorated or alleviated by the modulation of voltage-gated sodium channels.