PROCESS FOR THE PREPARATION OF OPTICALLY PURE OMEPRAZOLE VIA SALT FORMATION WITH A CHIRAL AMINE OR TREATMENT WITH AN ENTIOMER CONVERTING ENZYME AND CHROMATOGRAPHIC SEPARATION

摘要

The present invention relates to a process for the preparation of substantially optically pure omeprazole, or a pharmaceutically acceptable salt or solvate thereof. The invention also relates to a process for preparing a pharmaceutical composition comprising the substantially optically pure omeprazole or the pharmaceutically acceptable salt or solvate thereof and to intermediates useful for the preparation of optically pure omeprazole.