1 IntroductionIonic liquids(ILs) are environmentally acceptable solvents because they have low vapor pressure,high thermal stability and chemical stability,exce
The silica opal templates were prepared from three silica colloids of different diameters of 230 nm, 500 nm and 1.5 mm by a filtration route. The large-scale st
Four 'picket fence' porphyrin atropisomers were respectively synthesized from the four corresponding atropisomers of meso-tetra(o-aminophenyl)porphyrin