Pyrazole derivatives as potent inhibitors of c-Jun N-terminal kinase: Synthesis and SAR studies
作者:Anuradha Doma、Ravindra Kulkarni、Radhakrishna Palakodety、G. Narahari Sastry、Janardhan Sridhara、Achaiah Garlapati
DOI:10.1016/j.bmc.2014.08.028
日期:2014.11
Mitogen activated protein kinases including c-Jun N-terminal kinase play an indispensable role in inflammatory diseases. Investigation of reported JNK-1 inhibitors indicated that diverse heterocyclic compounds bearing an amide group rendered potent JNK-1 inhibitory activity which prompted us to synthesize new JNK-1 inhibitors containing a pyrazole heterocyclic group. A DABCO mediated 1,3-dipolar cycloaddition
包括c-Jun N端激酶在内的丝裂原活化蛋白激酶在炎症性疾病中起着不可或缺的作用。对报道的JNK-1抑制剂的研究表明,带有酰胺基的各种杂环化合物具有强大的JNK-1抑制活性,这促使我们合成了含有吡唑杂环基的新JNK-1抑制剂。纯净的DABCO介导的1,3-偶极环加成反应生成吡唑羧酸,将其转化为所需的酰胺。确认结构后,筛选所有化合物的JNK-1抑制活性和体内抗炎活性。几种合成的类似物表现出的JNK-1抑制活性小于10μM,特别是化合物9c,10a和10d 被发现在所有化合物中都很有效。