用光度法测得5种四苯基卟啉蒽醌化合物的表观质子化常数,以ln Kθ对1/T作线性回归,求出质子化过程的△rHθm<0及△rSθm>0.探讨了取代基的电子效应、空间效应对质子化常数的影响,并通过半经验量子化学计算方法PM3计算了卟啉环中2个氮原子(=N-)的净电荷和前线轨道能量差.
参考文献
[1] | WANG Xing-Qiao(王杏乔),WANG Cong-Xiao(王丛笑),WANG Qing-Min(王清民),et al.J Molecular Sci(分子科学学报)[J],1998,14(2):110 |
[2] | Gust D,Moor T A,MOOR A L, et al. J Am Chem Soc[J] ,1988,110:321 |
[3] | KOU Fu-Ping(寇福平),LIN Hua-Kuan(林华宽),ZHU Shou-Rong(朱守荣),et al.Acta Chim Sin(化学学报)[J],1997,55(10):983 |
[4] | GUO Can-Cheng(郭灿城),LIU Xiao-Yu(刘晓宇),YANG Ming-Sheng(杨明生),et al.Chem J Chin Univ(高等学校化学学报)[J],1991,12(12):1 617 |
[5] | HU Zhen-Zhu(胡珍珠),YANG Shui-Jin(杨水金).Adv Fine Petrochem(精细石油化工进展)[J],2003,4(8):11 |
[6] | Adeyemo A,Hambright P,Williams R F X. Indian J Chem[J] ,1982,21A:763 |
[7] | HU Zhen-Zhu(胡珍珠),ZHU Zhi-Ang(朱志昂),WANG Chuan-Zong(王传中).Chin J Inorg Chem(无机化学学报)[J],2001,17(2):197 |
[8] | HUANG Su-Qiu(黄素秋),QIU Xing-Ping(邱星屏),ZHAO Sheng-Fang(赵胜芳).Chin J Org Chem(有机化学)[J],1991,1:63 |
[9] | SUN Jin(孙谨),WU Lian-Bao(吴连宝)Chief-Edrs(主编).Nonaqueous Titrarion(非水滴定),Vo1.1(上册)[M].Beijing(北京):Science Press(科学出版社),1983:259 |
[10] | LUO Ming-Dao(罗明道),LI Liang-Chao(李良超),YAN Xiao-Ci(颜肖慈),et al.Chem J Chin Univ(高等学校化学学报)[J],1993,14(5):672 |
[11] | JI Guang-Fu(姬广富),XIAO He-Ming(肖鹤鸣),DONG Hai-Shan(董海山),et al.Acta Chim Sin(化学学报)[J],2001,59(1):39 |
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