Processes for the preparation of 4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione compounds
申请人:Ge Chuanshen
公开号:US20070004920A1
公开(公告)日:2007-01-04
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.
本发明提供了新的制备未取代和取代的4-氨基-2-(2,6-二氧杂哌啶-3-基)异吲哚啉-1,3-二酮化合物的方法,这些化合物例如可用于预防或治疗与TNF-α水平或活性异常升高相关的疾病或状况。本发明能够提供改进和/或有效的商业生产未取代和取代的4-氨基-2-(2,6-二氧杂哌啶-3-基)异吲哚啉-1,3-二酮化合物的方法,包括但不限于未取代的4-氨基-2-(2,6-二氧杂哌啶-3-基)异吲哚啉-1,3-二酮。