PREPARATION OF META-NITROBENZOYLHYDRAZONE FERROCENOYLACETONE AND SYNTHESIS ON ITS BASIS

Authors

Zilola Abduraxmonovna Sulaymonova, Bukhara state university, Adress: 11. st. M. Ikbala, Bukhara city, 200117, Republic of Uzbekistan, E-mail: sulaymonovaza@mail.ruFollow
Bako Bafayevich Umarov doctor chemical science, professor, Bukhara state university, Adress: 11. st. M. Ikbala, Bukhara city, 200117, Republic of Uzbekistan, E-mail: umarovbako@mail.ruFollow

Abstract

β-diketone-ferrocenoylacetone was obtained by Claisen condensation. Meta-nitrobenzoylhydrazone of ferrocenoylacetone (H₂L) was synthesized by the interaction of meta-nitrobenzoic acid hydrazide with ferrocenoylacetone. On its basis, complexes with copper(II) and nickel(II) ions were synthesized. The obtained compounds were characterized by the methods of elemental analysis, IR-, ¹H NMR andelectronic spectroscopy. The research results showed that H₂L in solution exists in the form of a tautomeric mixture: hydrazone, α-hydroxyazine, and cyclic 5-hydroxypyrazoline forms. According to the results of IR and ¹H NMR spectra, the complexes were assigned a planar-square structure, and in them the doubly deprotonated ligand residue is coordinated by a metal atom through two oxygen atoms and a nitrogen atom of the hydrazone fragment. The fourth place in the flat square of the trans- N₂O₂-coordination site is occupied by the ammonia molecule.

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References

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Recommended Citation

Sulaymonova, Zilola Abduraxmonovna and Umarov, Bako Bafayevich doctor chemical science, professor (2021) "PREPARATION OF META-NITROBENZOYLHYDRAZONE FERROCENOYLACETONE AND SYNTHESIS ON ITS BASIS," Chemical Technology, Control and Management: Vol. 2021: Iss. 4, Article 1.
DOI: https://doi.org/10.51346/tstu-02.21.4-77-0024