Electrospray ionization (ESI) tandem mass spectrometric analysis of meso-tetrakis(heptafluoropropyl)Porphyrin

被引:18
作者
Lau, KSF
Sadilek, M
Khalil, GE
Gouterman, M
Brückner, C
机构
[1] Univ Washington, Dept Chem, Seattle, WA 98195 USA
[2] Univ Connecticut, Dept Chem, Storrs, CT 06269 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/j.jasms.2005.08.001
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The results of an electrospray ionization (ESI(+) and ESI(-)) collision-induced fragmentation investigation of meso-tetrakis(heptafluoropropyl)porphyrin ((THP)-H-F) are reported. The fragmentation patterns of (THP)-H-F show, in both ionization modes, the formation of fragments with direct covalent meso-alkyl-to-beta-linkages on elimination of HE In addition, in the ESI(+) mode, the losses of perfluoroalkyl radicals are observed. A detailed analysis of the fragmentation patterns allows conclusions to be drawn on the identification of the fragment species. Comparable cyclized products were previously produced using radical-initiated solution-phase syntheses. The results presented will help to analyze meso-perfluoroalkyl-derivatized porphyrinic macrocycles that are becoming increasingly popular.
引用
收藏
页码:1915 / 1920
页数:6
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