申请人:SmithKline Corporation
公开号:US04032652A1
公开(公告)日:1977-06-28
Substituted 2H-pyran-2,6(3H)-dione derivatives, pharmaceutical compositions comprising such derivatives and methods of inhibiting the antigen-antibody reaction by administering said compositions. The active ingredients are the products formed by the reaction of acetonedicarboxylic acid with acetic anhydride followed by reaction with an appropriate amine. Certain of the dione derivatives are novel compounds per se.
2H-吡喃-2,6(3H)-二酮衍生物的替代物,包含这些衍生物的药物组合物以及通过给予这些组合物来抑制抗原-抗体反应的方法。活性成分是由乙酮二羧酸与乙酸酐反应后再与适当的胺反应形成的产物。其中某些二酮衍生物本身是新颖的化合物。