申请人:ALLERGAN, INC.
公开号:EP0429287A2
公开(公告)日:1991-05-29
The invention relates to compounds of the formula (A):
wherein R₁ is C₁-C₁₇ alkyl or alkenyl having 1-5 unconjugated double bonds, carbocyclic aryl (C₁-C₁₇ alkyl or alkenyl having 1-5 unconjugated double bonds), or heteroaryl (C₁-C₁₇ alkyl or alkenyl having 1-5 unconjugated double bonds), cyclohexyl or cyclohexyl-(C₁-C₁₇ alkyl or alkenyl having 1-5 unconjugated double bonds);
X is
R₁ being linked to X through bond a;
R₂ is hydrogen or C₁-C₄ alkyl; and
R₃ is hydrogen or C₁-C₁₂ alkanoyl.
Such compounds have anti-inflammatory, immunosuppressive and anti-proliferative activity and are useful in treating psoriasis and modifying calcium homeostasis. A compound of the invention is 4-[3,6-dihydro-6-hydroxy-5-(3-phenylpropyl)-2H-pyran-2-yl]-5-hydroxy-2-(5H)-furanone.
本发明涉及式 (A) 的化合物:
其中 R₁ 是具有 1-5 个未共轭双键的 C₁-C₁₇ 烷基或烯基、碳环芳基(具有 1-5 个未共轭双键的 C₁-C₁₇ 烷基或烯基)、或杂芳基(具有 1-5 个未共轭双键的 C₁-C₁₇ 烷基或烯基)、环己基或环己基-(具有 1-5 个未共轭双键的 C₁-C₁₇ 烷基或烯基);
X 是
R₁ 通过键 a 与 X 连接;
R₂ 是氢或 C₁-C₄ 烷基;以及
R₃ 是氢或 C₁-C₁₂ 烷酰基。
此类化合物具有抗炎、免疫抑制和抗增殖活性,可用于治疗牛皮癣和调节钙平衡。本发明的一种化合物是 4-[3,6-二氢-6-羟基-5-(3-苯基丙基)-2H-吡喃-2-基]-5-羟基-2-(5H)-呋喃酮。