Raman spectra and ultraviolet-visible(UV-Vis) absorption spectra of linear polyene molecule-canthaxan-thin in n-hexane are measured and analyzed.In addition,the
Rare-earth compound solid superacid SO42-/TiO2/La3+ was prepared. Its catalytic activity was examined under different synthetic conditions for the esterificatio
Nine new α-aminophosphonate derivatives containing cyclopropane moiety have been synthesized via conventional and microwave irradiation methods under solvent-a