Polarity of tetraalkylammonium-based ionic liquids and related low temperature molten salts
作者:Gabi Thielemann、Stefan Spange
DOI:10.1039/c7nj00443e
日期:——
Solvatochromic measurements and 1H NMR spectroscopy have been used to investigate the overall polarity of tetraalkylammonium (R3N+–CH3 with R = n-C4H9; n-C8H17) based ionic liquids (IL) and low temperature molten salts (LTMS), respectively, as function of the counter anion. Solvent acidity (SA), solvent basicity (SB), polarizability (SP) and dipolarity (SdP) parameters have been determined according
溶剂变色测量和1 H NMR光谱已用于研究基于四烷基铵盐(R 3 N + -CH 3且R = n -C 4 H 9;n -C 8 H 17)的离子液体(IL)的整体极性温度熔融盐(LTMS)分别作为抗衡阴离子的函数。溶剂酸度(SA),溶剂碱度(SB),极化率(SP)和偶极性(SdP)参数已根据Catalán标度确定。[Fe II(1,10-菲咯啉)2(CN)2 ](Fe),3-(4-氨基-3-甲基苯基)-7-苯基苯并[1,2- b:4,5- b ']二呋喃-2,6-二酮(ABF),3-(4- N,N -二甲基氨基苯基)-7-苯基苯并[1,2- b:4,5 - b ']-二呋喃-2,6-二酮(DMe-ABF),4-叔丁基-2-(二氰基亚甲基)-5- [ 4-(二甲基氨基)亚苄基]-Δ 3噻唑啉(钍),和2- [4-(ñ,ñ二甲基氨基)亚苄基]丙二腈(BMN)已被用作溶剂化极性的指标。阴离子X