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摘要
Esomeprazole {(S)-5-methoxy-2-[(4-methoxy-3, 5-dimethyl-2-pyridinylmethyl)-sulfinyl]-1H-benzimidazole} is a proton pump inhibitor used as an antiulcer drug. Its R-enantiomer 3 was synthesized with high enantioselectivity by asymmetric oxidation of prochiral sulfide 2 using the oxaziridinium salt 4. Product 3, useful as a reference for the quality control of esomeprazole, was characterized by H-1 and C-13 NMR, IR, and HRMS. The enantiomeric excess was determined by HPLC.
- 出版日期2016-2
- 单位台州学院
