Method of manufacturing buprenorphine and analogues thereof from oripavine
US10391091B2 · kind B2 · utility
0Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2015 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Oct 13, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to an improved method of preparing buprenorphine, a salt thereof, analogs of buprenorphine and their salts. In particular, the invention relates to a method of preparing buprenorphine and related products and salts in economic and ecologic ways having increased yields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.