Author(s): CHEN Yena, LUO Yi, ZHANG Xingguo, ZHONG Ping
Pages: 263-265,268
Year: 2010 Issue:  3
Journal: Chemical Reagents
Keyword:  4-H-pyrazole[1; 5-a]benzimidazole; synthesis; characterization;
Abstract: 以2-卤苯胺和乙氧基亚甲基丙二腈为原料通过重氮化、酰化和碱性环合得到1-芳基-4-氰基-5-胺基吡唑,再经过Ullmann偶联制得标题化合物.产物结构经~1HNMR、~(13)CNMR、IR和元素分析表征.