Tetrahedron p. 11447 - 11458 (1994)
Update date:2022-08-04
Topics:
Zelenin, Kirill N.
Bezhan, Irina P.
Ershov, Boris A.
Zelenin, Alexander K.
Sodium salts of acylhydrazones of 1,3-dioxocompounds react with acylchlorides yielding (E)-β-ketoenehydrazides (as a result of N-acylation). The respective acetylacetone and aroylacetone N-acyl-derivatives showing the equilibrium between (E)-and (Z)-isomers convert into 1-acyl-5-acyloxy-2-pyrazolines.
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