申请人:Takeda Chemical Industries, Ltd.
公开号:EP0714909A1
公开(公告)日:1996-06-05
Cyclic hexapeptides having antagonistic activity on endothelin receptors of the formula [I]:
wherein X and Y each is an α-amino acid residue having D-, L-form or DL-form, A is a D-acidic-α-amino acid residue, B is a neutral-α-amino acid residue having D- or L-form, C is an L-α-amino acid residue and E is a D-α-amino acid residue having an aromatic ring group can be effectively used for prophylaxis and/or treatment of pulmonary circulatory diseases.
对内皮素受体具有拮抗活性的式 [I] 环六肽:
其中,X 和 Y 分别为具有 D-、L-或 DL-形式的 α-氨基酸残基,A 为 D-酸性-α-氨基酸残基,B 为具有 D-或 L-形式的中性-α-氨基酸残基,C 为 L-α-氨基酸残基,E 为具有芳香环基的 D-α-氨基酸残基,可有效用于预防和/或治疗肺循环疾病。