By five steps,two novel hydroxy imidazolium salts from(±)-2,2′-dimethyl-6,6′-dinitro-1,1′-biphenyl were prepared.The yield of imidazolium salts(from D to E)reached 86-89 %.The products were characterized by 1H...By five steps,two novel hydroxy imidazolium salts from(±)-2,2′-dimethyl-6,6′-dinitro-1,1′-biphenyl were prepared.The yield of imidazolium salts(from D to E)reached 86-89 %.The products were characterized by 1H NMR、13C NMR and MS.展开更多
文摘By five steps,two novel hydroxy imidazolium salts from(±)-2,2′-dimethyl-6,6′-dinitro-1,1′-biphenyl were prepared.The yield of imidazolium salts(from D to E)reached 86-89 %.The products were characterized by 1H NMR、13C NMR and MS.