NEUARTIGE FORM VON S-OMEPRAZOL

摘要

The present invention relates to a novel process for preparing a novel form of the (-)-enantiomer of 5-methoxy-2-��(4-methoxy-3,5-dimethyl-2-pyridinyl)-methyl�sulfinyl�-1H -benzimidazole, i.e. S-omeprazole. More specifically, it relates to a process for preparing trihydrate of magnesium salt of S-omeprazole. Furthermore, the present invention also relates to new intermediates used in that process.