New efficient synthesis of multisubstituted benzimidazoles and quinoxalin-2(1H)-ones by a Ugi 4CC/aza-Wittig sequence starting from aromatic amine precursors

New efficient synthesis of multisubstituted benzimidazoles and quinoxalin-2(1H)-ones by a Ugi 4CC/aza-Wittig sequence starting from aromatic amine precursors

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 72, Issue 35, 1 September 2016, Pages 5548-5557

Yan-Mei Yan, Yun Gao, Ming-Wu Ding,