A compound of the formula:
wherein R1 is hydrogen or methyl, is prepared by condensing a compound of the formula:
wherein R2 is alkyl, aryl or aralkyl and R1 is same as above, or a reactive derivative thereof with 1,2,3,4,- tetrahydroisoquinoline -3-carboxylic acid or an ester thereof to give a compound of the formula:
wherein R3 is an ester residue and R1 and R2 are same as above, followed by hydrolysis or ammonolysis of said com pound (IV).
The compound (1) is useful as a diagnostic or therapeutic agent for angiotensin-related hypertension.
通过将式:其中 R2 为烷基、芳基或芳烷基且 R1 同上的化合物或其反应衍
生物与 1,2,3,4,- 四氢异
喹啉-3-羧酸或其酯缩合,得到式:其中 R3 为酯残基且 R1 和 R2 同上的化合物,然后将所述化合物(IV)
水解或
氨解,制备式:其中 R1 为氢或甲基的化合物。 该化合物(1)可用作
血管紧张素相关性高血压的诊断或治疗剂。