(R)-Lansoprazole

The R-enantiomer of Lansoprazole; a gastric proton pump inhibitor.

An antiulcerative

Intermediates:

2-Chloromethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hydrochloride           CAS Number:127337-60-4   

2-[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methylthio-1H-benzimidazole   CAS Number:    103577-40-8