Synthesis of [1,2,3]-triazolo[1,5-a][1,4]benzodiazepines via an unprecedented one-pot Cu-catalyzed azidation–cyclization reaction
作者:Geert Hooyberghs、Hendrik De Coster、Dipak D. Vachhani、Denis S. Ermolat'ev、Erik V. Van der Eycken
DOI:10.1016/j.tet.2013.03.031
日期:2013.5
A novel three-step approach leading to [1,2,3]-triazolo[1,5-a][1,4]benzodiazepines in moderate to good yields has been developed. The key step is an unprecedented one-pot Cu-catalyzed azidation–cyclization reaction of ortho-bromobenzylpropargylamines.
已经开发出一种新颖的三步法,以中等到良好的产率产生[1,2,3]-三唑并[1,5- a ] [1,4]苯并二氮杂s。关键步骤是空前的一锅Cu催化邻溴代苄基炔丙基胺的叠氮化-环化反应。