Process for the preparation of 3-substituted 5-amino-6H-thiazolo[4,5-d]pyrimidine-2,7-dione compounds
US11142534B2 · kind B2 · utility
0Cited by
7References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2018 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Jan 4, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a process for synthesizing a compound of formula (I), R1 is H or C1-6alkyl; R2 is H or hydroxy; or pharmaceutically acceptable salt or diastereomer thereof, which is useful for prophylaxis and treatment of a viral disease in a patient relating to hepatitis B infection or a disease caused by hepatitis B infection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.