Quaternary ammonium compounds
US6380396B1 · kind B1 · utility
2Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Dec 11, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D453/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides intermediates for the preparation of compounds of the formula wherein R, R1, W, X, Y, Ar and ZA are defined herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.