New Reactions of N-tert-Butylimines; Formation of N-Heterocycles by Methyl Radical Elimination on Flash Vacuum Thermolysis of N-Benzylidene- and N-(2-Pyridylmethylidene)-tert-butylamines

被引:15
作者
Vu, Thien Y. [1 ,2 ]
Chrostowska, Anna [1 ]
Thi Kieu Xuan Huynh [2 ]
Khayar, Said [1 ]
Dargelos, Alain [1 ]
Justyna, Katarzyna [3 ]
Pasternak, Beata [3 ]
Lesniak, Stanislaw [3 ]
Wentrup, Curt [4 ]
机构
[1] Univ Pau & Pays Adour, CNRS, Inst Sci Analyt & Physicochim Environm & Mat, UMR 5254, F-64000 Pau, France
[2] Univ Natl Vietnam, Hanoi, Vietnam
[3] Univ Lodz, Dept Organ & Appl Chem, PL-91403 Lodz, Poland
[4] Univ Queensland, Sch Chem & Mol Biosci, Brisbane, Qld, Australia
关键词
density functional calculations; flash pyrolysis; heterocycles; photoelectron spectroscopy; radicals; ELECTRON-SPIN-RESONANCE; GAS-PHASE GENERATION; PHOTOELECTRON-SPECTROSCOPY; THERMAL TRANSFORMATIONS; CYCLIZATION; PYROLYSIS; POLYAZAPENTADIENES; AMIDES; ALKYL;
D O I
10.1002/chem.201301663
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Thermal reactions of N-benzylidene- and N-(2-pyridylmethylidene)-tert-butylamines (5 and 13) under FVT conditions have been investigated. Unexpectedly, at 800 degrees C, compound 5 yields 1,2-dimethylindole and 3-methylisoquinoline. In the reaction of 13 at 800 degrees C, 3-methylimidazo[1,5-a]pyridine was obtained as the major product. Mechanisms of these reactions have been proposed on the basis of DFT calculations. Furthermore, UV-photoelectron spectroscopy combined with FVT has been applied for direct monitoring and characterization of the thermolysis products in situ.
引用
收藏
页码:14983 / 14988
页数:6
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