A proline ester represented by the following formula (I):
wherein R
1
represents a hydroxy-lower alkyl group, a lower alkoxy-lower alkyl group, or a lower alkoxy-lower alkoxy-lower alkyl group or a pharmaceutically acceptable salt thereof.
The proline ester (I) of the present invention and a pharmaceutically acceptable salt thereof are useful as a prodrug of enalaprilat, which is a medicine useful for preventing or treating circulatory diseases such as hypertension, cardiac diseases (e.g., cardiac hypertrophy, cardiac failure, and myocardial infarct), nephritis, and apoplexy. Thus, a drug containing the ester or a salt thereof is preferably formulated to a percutaneous preparation, particularly a patch, from the viewpoint of medicinal activity and use.
以下是翻译结果:
一种由以下式子(I)所表示的脯
氨酸酯:
其中R1代表羟基-低烷基基团、低烷氧基-低烷基基团或低烷氧基-低烷氧基-低烷基基团,或其药学上可接受的盐。本发明的脯
氨酸酯(I)及其药学上可接受的盐可作为
依那普利酸的前药,该药物可用于预防或治疗循环系统疾病,如高血压、心脏疾病(如心肌肥大、心力衰竭和心肌梗死)、肾炎和中风。因此,含有该酯或其盐的药物最好从药效和用途的角度来看,制成经皮制剂,特别是贴片。