Preparation of is-[1A,2B,3B,4A(S*)]-4-[7-[[1-(3-chloro-2-Thienyl)methyl]amino]-3H-imidazo [4,5-B]pyridin-3-YL]-N-ethyl-2,3-dihydroxycyclopentanecarboxamide
US6235909A · kind A · utility
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2Claims
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Key dates
| Filing date | Jul 28, 2000 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Jul 28, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention is directed to methods for the preparation of [1S-[1a,2b,3b,4a(S*)]]-4-[7-[[-(3-chloro-2-thienyl)methyl]propyl]amino]-3 H-imidazo[4,5-b]pyridin-3-yl]]-N-ethyl-2,3-dihydroxycyclopentanecarboxamid e, methods for the preparation of intermediates thereto, and to said intermediates themselves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.