Process for the preparation of pantoprazole and salts thereof
US7081534B2 · kind B2 · utility
3Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2004 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Sep 22, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of pantoprazole and the salts thereof, comprising the reaction of a mercaptoimidazole with a picoline, to give a 2-pyridinyl-methylsulfinyl-2-benzimidazole intermediate, the oxidation thereof with ε-phthalimidoperhexanoic acid and the subsequent methoxylation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.