申请人:Merck & Co., Inc.
公开号:US04699926A1
公开(公告)日:1987-10-13
The present invention is directed to compounds of the general formula I and pharmaceutically acceptable salts thereof: ##STR1## wherein R=H or lower alkyl; R'=H, lower alkyl, benzyl, CH.sub.2 OH; A=(CH.sub.2).sub.1 to 5, >C(CH.sub.3).sub.2, >C (CH.sub.2).sub.3 ; and X=0 or 1. The present invention is also directed to a method of treating a person for sickle cell anemia comprising administering to the person a therapeutically effective dosage of the above compounds. In addition the invention includes the novel compound: ##STR2## which is inaccessible by synthetic procedures previously described for this general class of compounds.
本发明涉及一般式I的化合物及其药学上可接受的盐: ##STR1## 其中R = H或低碳基;R' = H,低碳基,苄基,CH.sub.2 OH;A = (CH.sub.2).sub.1至5,> C(CH.sub.3).sub.2,> C(CH.sub.2).sub.3;X = 0或1。本发明还涉及一种治疗镰状细胞贫血的方法,包括向患者施用上述化合物的治疗有效剂量。此外,该发明还包括以下新化合物: ##STR2## 该化合物无法通过先前用于此类化合物的合成方法获得。