申请人:Bayer Aktiengesellschaft
公开号:US04871747A1
公开(公告)日:1989-10-03
A 3-amino-4,5-dihydroxy-piperidine compound of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl having up to 8 carbon atoms, aralkyl having 7 to 14 carbon atoms, or represents a group of the formula ##STR2## R.sup.4 denotes straight-chain or branched alkyl having up to 8 carbon atoms, straight-chain or branched alkoxy having up to 8 carbon atoms, or aralkoxy having up to 10 carbon atoms, and R.sup.2 and R.sup.3 represent hydrogen or represent the group NHR.sup.5, R.sup.5 having the same meaning as R.sup.1 and being identical to or different from the latter, with the proviso that, in every case, one substituent of R.sup.2 or R.sup.3 represents hydrogen and the other substituent of R.sup.2 or R.sup.3 represents NHR.sup.5, and physiologically acceptable salts thereof. Such compound is useful to treat prediabetes, gastritis, constipation, caries, atherosclerosis, obesity, diabetes and hyperlipoproteinaemia.
化合物(I)是一种3-氨基-4,5-二羟基-哌啶化合物,其化学式为: ##STR1## 其中,R1代表氢、具有高达8个碳原子的烷基、具有7到14个碳原子的芳基烷基,或代表公式##STR2##的基团;R4代表直链或支链烷基,其具有高达8个碳原子,直链或支链烷氧基,其具有高达8个碳原子,或芳基烷氧基,其具有高达10个碳原子;R2和R3代表氢或代表基团NHR5,其中R5与R1具有相同的含义,并且与后者相同或不同,但必须保证,在每种情况下,R2或R3的一个取代基代表氢,而R2或R3的另一个取代基代表NHR5;以及其生理上可接受的盐。这种化合物可用于治疗糖尿病前期、胃炎、便秘、龋齿、动脉硬化、肥胖症、糖尿病和高脂蛋白血症。