Synthesis, Reactivity, and Spectroscopic Properties of <i>meso</i>-Triaryl-5-oxaporphyrins
作者:Kazuhisa Kakeya、Aya Nakagawa、Tadashi Mizutani、Yutaka Hitomi、Masahito Kodera
DOI:10.1021/jo3010342
日期:2012.8.3
acetato)zinc(II) (3c), and [21,23-didehydro-10,15,20-tris(4-methoxyphenyl)-23H-5-oxaporphyrinato](trifluoroacetato)zinc(II) (3b) were 0.071, 0.071, and 0.050, respectively. Reaction of 3a with EtOH afforded the zinc complex of 19-ethoxybilinone, and it proceeded 2 orders of magnitude faster than that of [β-octaalkyl-21,23-didehydro-23H-5-oxaporphyrinato]zinc(II). The reaction with alcohols was sensitive
[内消旋-Triaryl-21,23-脱氢23 ħ -5- oxaporphyrinato](trifluoroacetato)锌(II)通过反应制得的内消旋-triarylbilindione用乙酸酐和乙酸锌,和它被分离为三氟乙酸盐。X射线晶体学研究表明三氟乙酸根阴离子与锌离子配位。将[ 21,23-二氢化-10,15,20-三(4-甲氧基羰基苯基)-23 H -5-氧杂卟啉](三氟乙酰基)锌(II)3a溶于各种有机溶剂,例如甲苯,氯仿,乙醚,乙酸乙酯,丙酮,乙腈,甲醇,DMSO和DMF,尽管它很容易与醇和DMF反应生成线性四吡咯。3a的溶解度在室温下,甲苯中的甲苯为4.2±0.1 g dm –3。3a在氯仿中显示了在649 nm处的特征性UV-vis吸收和在657 nm处的荧光发射。的荧光量子产率3a中,[21,23-脱氢-10,15,20-三苯基23 ħ -5- oxaporphyr