Prodrug acid esters of [2-(4-benzyl-3-hydroxy-piperidin-1-yl)-ethansulfonyl]phenol
US6407235B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2001 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Aug 16, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/59
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention is a compound of the formula whereinR isa) —C(O)(CH2)nC(O)OH,b)  wherein R1 is —N(R2)(R3), or is a five or six member aromatic or non-aromatic heterocyclic ring having one or more heteroatoms selected from nitrogen, oxygen or sulfur, unsubstituted or substituted by lower alkyl,c) —P(O)(OH)2, or isd) —C(O)(CH2)nNHC(O)(CH2)nN(R2)(R3); andR2/R3 are hydrogen or lower alkyl;n is 1, 2, 3 or 4;or a pharmaceutically acceptable acid addition salt thereof
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.