JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Cyclization of 3-ethoxycarbonyliminocoumarin into benzopyrano[2,3-c]pyrazoles

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New rearrangements of 3-ethoxycarbonyl iminocoumarin into benzopyrano[2,3-c]pyrazole under the action of various hydrazines and hydrazides as N-nucleophiles, were described. The structures of all the synthesized products were characterized by IR, 1H NMR, 13C NMR and elemental analysis.

N. Abid-Jarraya, H. Turki-Guermazi, H. Ammar, S. Abid, R. El Gharbi

Iminocoumarin, benzopyrano[2,3-c]pyrazole, hydrazide, hydrazine

Pages 75-81

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