Fosaprepitant dimeglumine intermediate, neutral fosaprepitant, and amorphous fosaprepitant dimeglumine and processes for their preparations
US8623844B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jul 17, 2009 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Mar 13, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P39/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention generally relates to a process for the preparation of fosaprepitant dimeglumine intermediate and its use in the preparation of fosaprepitant dimeglumine; to a neutral form of fosaprepitant in a solid state and processes for the preparation thereof; and to a stable amorphous fosaprepitant dimeglumine, having a stability at temperatures of about 2° C. to about 8° C. and at a relative humidity below at least 60%; and a process for the preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.