Synthesis 1990; 1990(1): 59-62
DOI: 10.1055/s-1990-26788
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Synthesis and Dehydrobromination of α-Bromo Aldehyde and Ketone Nitroxyl Radical Spin Labels

H. Olga Hankovszky* , Kálmán Hideg, P. Cecilla Sár, M. Judit Lovas, Gyula Jerkovich
  • *Central Laboratory, Chemistry, University of Pécs, H-7643 Pécs, P.O. Box 99, Hungary
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17. September 2002 (online)

Various types of α-bromo aldehyde and ketone derivatives of nitroxyl radicals can be prepared in a selective bromination reaction with pyrrolidone hydrotribromide in the presence of a double bond. The saturated α-bromo aldehydes are dehydrobrominated with 1,8-diazabicyclo [5,4,0]undec-7-ene.