PROCESS FOR PREPARING GABAPENTIN

摘要

A process for preparing gabapentin of formula 1, which comprises Formula (I) converting 1-allyl-cyclohexanecarboxaldehyde into 1-allyl-cyclohexanecar bonitrile; ozonizing 1-allyl-cyclohexanecarbonitrile to obtain 1-cyano-cyclo hexaneacetaldehyde; acetalizing 1-cyano-cyclohexaneacetaldehyde with a suita ble acetalizing agent to give the corresponding acetal and converting the la tter into gabapentin.