Tetrahedron Letters p. 1591 - 1594 (1981)
Update date:2022-08-04
Topics:
Paris, J. M.
Couquelet M. M.
Payard, M. M.
Among the various products formed by nucleophilic attack of hydrazine and hydroxylamine on oxo-2 furo<3,4b>γ-pyrone, the major ones were pyrazole and isoxazole derivatives.Their structures, established by 13C NMR spectra allowed us to propose a reaction mechanism.
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