(2-chloro-2-nitroethenyl)benzenes as syn
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Daniel Dauzonne; Hubert Josien; Pierre Demerseman
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Article
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1990
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Elsevier Science
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French
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we describe a convenient and general method for the preparation of 2,3-dihydro-2-niuo-3-phenyl-4H-furo[3,2-c][l]~~opy~-4-ones from cl-hydroxycoumarin and (2-chloro-2-nitroethenyl)benzenes in the presence of potassium fluoride. Using the same starting materials and by replacing potassium fluoride wit