abstract |
The present invention discloses methods for synthesizing 3-(substituted dihydroisoindolinone-2-yl)-2,6-dioxopiperidine and intermediates thereof, namely, the synthesis of compounds of the Formula (I), with each substitutional group defined in the patent specification. Owing to the advantages of high productivity, little influence to the environment and material accessibility, the methods of the present invention is suitable for industrial production. |