abstract |
The present invention discloses a method for synthesizing 3- (substituted dihydrogenisoindoleketone-2-yl) -2,6-piperidinedione and its intermediates, ie, compounds of formula (I), and the definition of each substituent is See in detail. This method has advantages such as high productivity, low environmental impact, and easy availability of raw materials, and is suitable for industrial production. [Chemical 1] Formula (I) |