作者:Meihua Shen、Tom G. Driver
DOI:10.1021/ol801227f
日期:2008.8.7
The identity of the ortho-substituent of an aryl azide influences its reactivity toward transition metals. Substitution of a vinyl group with an imine disables rhodium(II)-mediated C-H amination and triggers a Lewis acid mechanism catalyzed by iron(II) bromide to facilitate benzimidazole formation.
芳基
叠氮化物的原取代基的身份会影响其对过渡
金属的反应性。用
亚胺取代
乙烯基可禁用
铑(II)介导的CH胺化反应,并触发由
溴化铁(II)催化的
路易斯酸机理,从而促进
苯并咪唑的形成。