A practical synthesis of 2-(N-substituted)-aminobenzimidazoles utilizing CuCl-promoted intramolecular cyclization of N-(2-aminoaryl)thioureas
Author/Authors :
Wang، نويسنده , , Xiaojun and Zhang، نويسنده , , Li and Xu، نويسنده , , Yibo and Krishnamurthy، نويسنده , , Dhileepkumar and Senanayake، نويسنده , , Chris H.، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2004
Pages :
4
From page :
7167
To page :
7170
Abstract :
A practical protocol for synthesis of 2-(N-substituted)-aminobenzimidazoles was developed. N-(2-Aminoaryl)thioureas undergo a CuCl-promoted intramolecular cyclization to give the corresponding 2-(N-substituted amino)benzimidazoles in good to excellent isolated yields.
