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Synthesis 2000; 2000(10): 1415-1420
DOI: 10.1055/s-2000-7115
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Synthesis of Spin Labelled Chromones

Éva Müller* , Tamás Kálai, József Jekö, Kálmán Hideg
  • *Institute of Organic and Medicinal Chemistry, University of Pécs, H-7643 Pécs, P.O. Box 99, Hungary; Fax + (36)72 32 57 31; E-mail: KHIDEG@main.pote.hu
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Publication Date:
31 December 2000 (online)

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Synthesis of spin labelled chromone 4a is described from paramagnetic acid derivatives 1a, 1b by the conventional Baker-Venkataraman procedure. Different hydroxylated paramagnetic chromone derivatives 8, 9, 12a, and 12b could be obtained by different one-pot reactions and a glycoside of 5-hydroxy-2-(1-oxyl-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-3-yl) chromone radical 14b was synthesized.

chromones - free radicals - glycosides - heterocycles - nitroxides