- Processes for the preparation of 4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione compounds
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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 usefuil, 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.
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Page/Page column 11
(2008/06/13)
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- Substituted 1-oxo- and 1,3-dioxoisoindoline and method of reducing inflammatory cytokine levels
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1-Oxo- and 1,3-dioxoisoindolines substituted in the 4- or 5-position of the indoline ring reduce the levels of inflammatory cytokines such as TNFα in a mammal. A typical embodiment is 4-(4-amino-1,3-dioxoisoindolin-2-yl)-4-carbamoylbutanoic acid.
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