Process for making aminoalkylphenyl carbamates and intermediates therefor
US7531684B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2007 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Sep 28, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C219/28
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for making aminoalkylphenyl carbamates, especially rivastigmine, can use less severe conditions using bis(p-nitrophenyl)carbonate (IX) as a phenol activator compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.