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- W2950678445 abstract "In continuing our research on intramolecular cyclizations of alkynes that possess a nucleophile in close proximity to the carbon-carbon triple bond [1, 2] we have performed a facile synthesis of 3-aryl-4-iodobenzo[b][1,6]naphthyridines. The latter compounds attract our attention as starting materials for preparation of more complex polyaromatic systems which could be of interest for practical applications, especially for OLED (organic light-emitting diode). Thus, reaction of 2-arylethynylquinoline-3-carbaldehydes 1a,b with tert-butylamine in sealed tubes at 100°C gave the corresponding tert-butylimines 2a,b. The latter two compounds underwent smooth iodine-mediated ring closure reaction and the corresponding 3-aryl-4-iodobenzo[b][1,6]naphthyridines 3a,b were formed. In this reaction, the iodine attacks the triple bond of compounds 2a,b first, therefore nucleophilic attack of the neighboring tert-butylimino group becomes more favorable [3]." @default.
- W2950678445 created "2019-06-27" @default.
- W2950678445 creator A5006601355 @default.
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- W2950678445 date "2009-08-11" @default.
- W2950678445 modified "2023-09-26" @default.
- W2950678445 title "ChemInform Abstract: Facile Synthesis of 3-Aryl-4-Iodobenzo[b][1,6]naphthyridines." @default.
- W2950678445 cites W2017848499 @default.
- W2950678445 doi "https://doi.org/10.1002/chin.200932149" @default.
- W2950678445 hasPublicationYear "2009" @default.
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