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Novel 4-Aroyl-3-alkoxy-2(5H)-furanones as Precursors for the Preparation of Furo[3,4-b][1,4]-diazepine Ring System

  • Hans Zimmer,
  • Christian P. Librera,
  • Sven Hausner,
  • Jeanette Bauer and
  • Adel Amer
Molecules2003, 8(10), 735-743;https://doi.org/10.3390/81000735

31 October 2003

A general synthesis of tetronic acid derivatives, namely 4-aroyl-3-alkoxy-2(5H)-furanones, is achieved via the treatment of an anhydrous dimethylformamide (DMF) solution of 4-aroyl-3-hydroxy-2(5H)-furanones with 1,8-diazabicyclo[5.4.0]undec-7-ene (DB...

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