名称:
                                Efficient access to polysubstituted amidines, benzimidazoles and pyrimidines from amides
                             
                            
                                摘要:
                                Polysubstituted amidines, benzimidazoles and pyrimidines were synthesized via the electrophilic activation of amides With trifluoromethanesulfonic anhydride and 2-chloropyridine The one-pot protocol is concise and efficient and the Substrates are readily available (C) 2009 Elsevier Ltd All rights reserved
                             
                                                            
                                    DOI:
                                    10.1016/j.tet.2009.12.034