title: Equilibrium acidities of proline derived organocatalysts in DMSO.
abstract: Equilibrium acidities of proline and its derived organocatalysts were measured in DMSO by an overlapping indicator method via UV/vis spectrophotometric titration. The pKa values are in the range of 11.17-23.81.
authors: State Key Laboratory of Elemento-Organic Chemistry, Department of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University , Weijin Road 94th, Tianjin 300071, China.
authors: Zhen
authors: Z
authors: Li
authors: Xin
authors: X
authors: Li
authors: Xiang
authors: X
authors: Ni
authors: Jin-Pei
authors: JP
authors: Cheng
mesh_terms: D004121:Dimethyl Sulfoxide / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D008956:Models, Chemical; D015394:Molecular Structure; D056951:Photoelectron Spectroscopy; D011392:Proline / Q000737:chemistry*; D013057:Spectrum Analysis; D017186:Titrimetry
chemical_list: D011392:Proline; D004121:Dimethyl Sulfoxide