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Volume :6 Issue : 1 1979      Add To Cart                                                                    Download

Reaction of levulinic acid and its ethyl ester with hydrazine derivatives

Auther : F. H. AL-HAJJAR. A. ANANl AND Y. AL-SULTAN

Petroleum and Petrochemicals Division, Kuwait Institute for Scientific Research, Kuwait

 

ABSTRACT

 

Reaction of levulinic acid and its ethyl ester with benzoyl-, α -naphthoyl-, phenylacetyl- and α -naphthylacetyl-hydrazines and ethyl hydrazinecarboxylate gave the corresponding hydrazones (III) which upon treatment with concentrated sulphuric acid afforded 6-keto-3-meth-yl- l, 4, 5, 6-tetrahydropyridazine (V) and the corresponding acid (VI). Heating of these hydrazones at 160-170ºC gave the corresponding diacyl- or diaroylhydrazines (IV). The structure of the products was established by chemical and spectroscopic evidence.

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