| 摘要 |
PROBLEM TO BE SOLVED: To provide a synthesis method for spiro-oxindole compound.SOLUTION: The present invention relates to a method for preparing a particular spiro-oxindole derivative useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions (e.g., pain). The present invention relates to a method for preparing a particular spiro-oxindole compound as a single stereoisomer or a single enantiomer or a mixture thereof, or as a pharmaceutically acceptable salt thereof. These compounds are useful in treating sodium channel-mediated diseases and conditions (e.g., pain).SELECTED DRAWING: None |
