Synthetic procedure for 5-methoxy-2-[(4-methoxy-3,5-dimethyl-2-pyridinyl)-methylthio]-IH-benzimidazole hydrochloride and its conversion to omeprazole

作者: Dilip Ganesh Kulkami , Manish Purohit , Shiva P. Singh , Siddiqui Mohammed Jaweed Mukarram

DOI:

关键词:

摘要: The present invention relates to an efficient process for the preparation of 5-methoxy-2-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methylthio]-1-H-benzimidazole hydrochloride starting from 3,5-Lutidine and its conversion Omeprazole (5-methoxy-2-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methylsulfinyl]-1H-benzimidazole) by selective oxidation with hydrogen peroxide.

参考文章(82)
Thomas Clark Powell, Controlled release potassium chloride tablet Official Gazette of the United States Patent and Trademark Office Patents. ,vol. 1175, pp. 379- ,(1992)
Jane Pei-Fan Bai, Pulsatile drug delivery system ,(1997)
Stig Ake Ingemar Carlsson, Sven Erik Sjostrand, Lars Erik Garberg, Gunhild Wika Von Wittken Sundell, Peder Bernhard Berntsson, Ulf Krister Junggren, Benzimidazole derivatives useful as gastric acid secretion inhibitors ,(1976)
Lars Erik Garberg, Peder Bernhard Berntsson, Gunhild Wika Von Wittken Sundell, Stig Ake Ingemar Carlsson, Ulf Krister Junggren, Sven Erik Sjostrand, Substituted 2-[pyridylalkylenesulfinyl]-benzimidazoles with gastric acid secretion inhibiting effects ,(1975)
Bob Macel, Clarke Slemon, Preparation of omeprazole and lansoprazole ,(1993)
Ichiro Yamakawa, Sumio Watanabe, Nobutaka Noda, Yasuo Miyake, Hidenobu Ando, Multilayer sustained release granule ,(1988)