4,5-二氯邻苯二甲酸酐 、 3-氨基-3-(4-甲氧基苯基)丙酸 在
氮 作用下,
以
溶剂黄146 为溶剂,
反应 6.0h,
以to afford 1.20 g (61%) of 3-(4,5-dichlorophthalimido)-3-(4-methoxyphenyl)propionic acid as a white powder的产率得到3-(4',5'-dichlorophthalimido)-3-(4'-methoxyphenyl)propionic acid
Cyclic imides are inhibitors of tumor necrosis factor .alpha. and can be used to combat cachexia, endotoxic shock, and retrovirus replication. A typical embodiment is 2-(2,6-dioxo-3-piperidinyl)-4-azaisoindoline-1,3-dione.
A process of preparing thalidomide in which N-phthaloylglutamine or N-phthaloylisoglutamine is cyclized with N,N'-carbonyldiimidazole, characterised in that the process comprises heating said N-phthaloylglutamine or N-phthaloylisoglutamine and N,N'-carbonyldiimidazole in refluxing anhydrous tetrahydrofuran.