Process for preparing temozolomide and an intermediary
US10865209B2 · kind B2 · utility
0Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2017 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Dec 19, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an efficient and industrially advantageous process for preparing temozolomide and the carbamoyl-AICA intermediate through the use of N-methyl carbamoylimidazole in a good overall yield and high purity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.