The photocyclisation of 1,2-Ciarylpyridinium cations and the photobiscyclisation of 1,2,6-triarylpyridinium cations
作者:Alan R. Katritzky、Zuriati Zakaria、Edward Lunt
DOI:10.1039/p19800001879
日期:——
Photocyclisation of 1-(2-pyridyl)-2-arylpyridiniums yields benzo[c]pyrido[1,2-a]-1,8-naphthyridinylinium cations. Photobiscyclisation of 1,2,6-triarylpyridiniums gives benzo[8,9]quinolizino[4,5,6,7-fed]phenanthridinylium cations and their 9-aza-derivatives. Electron donor substituents tend to lower the yields which are otherwise high. The structures are supported by X-ray crystallographic analysis
1-(2-吡啶基)-2-芳基吡啶鎓的光环化产生苯并[c]吡啶基[1,2 - a ] -1,8-萘吡啶鎓阳离子。1,2,6-三芳基吡啶鎓的光双环化反应会生成苯并[8,9]喹啉并[4,5,6,7-喂入的]菲啶鎓阳离子及其9-氮杂衍生物。电子给体取代基往往会降低产率,否则产率会很高。该结构通过X射线晶体学分析以及紫外和核磁共振谱来支持。
Photocyclization of 1,2-diaryl- and photobicyclization of 1,2,6-triarylpyridinium cations
作者:A. R. Katritzky、B. Agha、G. Z. de Ville、E. Lunt、M. I. Knyazhanskii、Ya. R. Tymyanskii、A. I. Pyshchev
DOI:10.1007/bf00505716
日期:1984.11
SOROKA, JACEK A., CHEM. SCR., 29,(1989) N, C. 367-373
作者:SOROKA, JACEK A.
DOI:——
日期:——
KATRITZKY A. R.; ZAKARIA Z.; LUNT E., J. CHEM. SOC. PERKIN TRANS, 1980, 1, NO 9, 1879-1887
作者:KATRITZKY A. R.、 ZAKARIA Z.、 LUNT E.
DOI:——
日期:——
KATRITSKIJ, A. R.;AGXA, B.;VILLE, D. Z.;LUNT, EH.;KNYAZHANSKIJ, M. I.;TYM+, XIMIYA GETEROTSIKL. SOEDIN., 1984, N 11, 1509-1518
作者:KATRITSKIJ, A. R.、AGXA, B.、VILLE, D. Z.、LUNT, EH.、KNYAZHANSKIJ, M. I.、TYM+