Mn complexes with N,N′ bis(furaldehyde)1,2 phenylenediamine(1)、N,N′ bis(furaldehyde) ethylenediamine(2),N,N′ bis(furaldehyde)1,2 diaminopropane(3),N,N′ bis(furaldehyde)1,3 diamino propane(4), and N,N′ bis(furald...Mn complexes with N,N′ bis(furaldehyde)1,2 phenylenediamine(1)、N,N′ bis(furaldehyde) ethylenediamine(2),N,N′ bis(furaldehyde)1,2 diaminopropane(3),N,N′ bis(furaldehyde)1,3 diamino propane(4), and N,N′ bis(furaldehyde) diethylenetriamin(5) were used as catalysts in styrene epoxidation.The influences of different ligand,pH,axial ligand and reaction tiom on reactions were discussed.展开更多
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Mn complexes with N,N′ bis(furaldehyde)1,2 phenylenediamine(1)、N,N′ bis(furaldehyde) ethylenediamine(2),N,N′ bis(furaldehyde)1,2 diaminopropane(3),N,N′ bis(furaldehyde)1,3 diamino propane(4), and N,N′ bis(furaldehyde) diethylenetriamin(5) were used as catalysts in styrene epoxidation.The influences of different ligand,pH,axial ligand and reaction tiom on reactions were discussed.
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.