申请人:SANTEN PHARMACEUTICAL CO., LTD.
公开号:EP0798291A1
公开(公告)日:1997-10-01
The present invention relates to compounds represented by the formula [I] and salts thereof, wherein R1 and R5 each represents carboxyl, phosphonic or a derivative thereof; R2 represents hydrogen, lower alkyl, (substituted) phenyl lower alkyl, lower alkoxy or (substituted) phenyl lower alkoxy; R3 represents lower alkyl or (substituted) phenyl lower alkyl; and R4 represents a group represented by the formula [XI], [XII] or [XIII]. The compounds of the present invention have endopeptidase 24.11 inhibitory activity and are useful for treating cardiovascular diseases such as heart failure and hypertension, renal diseases such as renal failure, gastroenteric disorders such as diarrhea and hyperchlorhydria, endocrine and metabolic diseases such as obesity, and autoimmune diseases such as rheumatic disease, and for mitigating myosalgia, migraine, etc.
本发明涉及由式[I]代表的化合物及其盐,其中R1和R5各自代表羧基、膦基或其衍生物;R2代表氢、低级烷基、(取代的)苯基低级烷基、低级烷氧基或(取代的)苯基低级烷氧基;R3代表低级烷基或(取代的)苯基低级烷基;R4代表由式[XI]、[XII]或[XIII]代表的基团。本发明的化合物具有内肽酶 24.11 抑制活性,可用于治疗心血管疾病(如心力衰竭和高血压)、肾脏疾病(如肾功能衰竭)、肠胃疾病(如腹泻和高氯血症)、内分泌和代谢疾病(如肥胖)以及自身免疫性疾病(如风湿病),还可用于缓解肌痛、偏头痛等。