Succinylacetone derived or related medicaments and methods of synthesis of the same are shown wherein the medicaments consists of succinylacetonyl-proline-PEG, succinylacetonyl-NH-PEG, or compounds that have the formula: ##STR1## and that have immunosuppressive activity both in vivo and in vitro based on their activities in cellular immunologic assays and adjuvant induced arthritis in rats, respectively.
本发明涉及由琥珀酰乙酮衍生或相关的药物及其合成方法,其中药物包括琥珀酰乙酮基-脯
氨酸-P
EG、琥珀酰乙酮基-NH-P
EG或具有以下式子的化合物:##STR1## 这些化合物在细胞免疫学测定和大鼠佐剂诱导性关节炎实验中均具有免疫抑制活性。