Processes for the preparation of 4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione compounds
US9394274B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Apr 29, 2014 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Apr 29, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides new processes for the preparation of unsubstituted and substituted 4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione compounds which are useful, for example, for preventing or treating diseases or conditions related to an abnormally high level or activity of TNF-α. The invention can provide improved and/or efficient processes for the commercial production of unsubstituted and substituted 4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione compounds, including, but not limited to, unsubstituted 4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.