申请人:Yamasa Shoyu Kabushiki Kaisha
公开号:US05126361A1
公开(公告)日:1992-06-30
Disclosed are imidazole derivatives represented by formula [I]: ##STR1## wherein R is a hydrogen atom or ##STR2## wherein R.sup.2 is a hydrogen atom or a hydroxy protecting group, R.sup.2 protecting either a single hydroxy or two hydroxies together when R.sup.2 is a hydroxy protecting group, and R.sup.3 is a hydrogen atom or OR.sup.2 ; A is CONH.sub.2 or CN; and R.sup.1 is a hydrogen atom, lower alkyl, hydroxy lower alkyl, or phenyl. Also disclosed are six processes for producing these novel compounds among which a typical process comprises reacting a starting imidazole compound having a halogen at the 5-position thereof with an acetylene derivative to alkynylate the 5-position. Furthermore, the compounds have remarkable antitumor activities and therefore can provide novel antitumor agents.
本发明涉及一种咪唑衍生物,其化学式为[I]:##STR1## 其中R是氢原子或##STR2## 其中R.sup.2是氢原子或羟基保护基,当R.sup.2是羟基保护基时,R.sup.2保护单个羟基或两个羟基在一起,而R.sup.3是氢原子或OR.sup.2; A是CONH.sub.2或CN; R.sup.1是氢原子,低碳基,羟基低碳基或苯基。本发明还公开了六种制备这些新化合物的方法,其中典型的方法包括将带有5位卤素的起始咪唑化合物与乙炔衍生物反应,使5位炔基化。此外,这些化合物具有显著的抗肿瘤活性,因此可以提供新的抗肿瘤药物。