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Synthesis 1992; 1992(10): 921-922
DOI: 10.1055/s-1992-26260
short paper
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New Method of Synthesis of N-Substituted Carbamates from 4- Hydroxycoumarin

Vincent Spéziale* , Reine Sakellariou, Maâmar Hamdi
  • *Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique, UA CNRS 470, Université Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse Cédex, France
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Publication Date:
17 September 2002 (online)

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The synthesis of a new series of compounds, the N-(methylene-4-oxocoumarinyl) carbamates 3 by condensation of carbamates 2 with 4-hydroxycoumarin (1) in the presence of ethyl orthoformate in good yields is reported.