Das Kalicharan, Mondal Avijit, Srimani Dipankar
Department of Chemistry , Indian Institute of Technology-Guwahati , Kamrup , Assam 781039 , India.
J Org Chem. 2018 Aug 17;83(16):9553-9560. doi: 10.1021/acs.joc.8b01316. Epub 2018 Jul 20.
Herein, we present a selective synthesis of 2-substituted and 1,2-disubstituted benzimidazoles by acceptorless dehydrogenative coupling of aromatic diamine with primary alcohols. The reaction is catalyzed by a phosphine-free tridentate NNS ligand-derived manganese(I) complex.
在此,我们报道了通过芳族二胺与伯醇的无受体脱氢偶联反应选择性合成2-取代和1,2-二取代苯并咪唑。该反应由一种无膦三齿NNS配体衍生的锰(I)配合物催化。