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Open AccessCommunication

(2S,5R)-2-Isopropyl-5-methylcyclohexanone Hydrazones

1
Department of Organic and Pharmaceutical Technologies, Odessa National Polytechnic University, Odessa 65044, Ukraine
2
Department of Analytical Chemistry, Odessa I.I. Mechnikov National University, Odessa 65082, Ukraine
3
A.V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine, Odessa 65080, Ukraine
4
Department of Chemistry, Hacettepe University, Ankara 06800, Turkey
*
Author to whom correspondence should be addressed.
Molbank 2019, 2019(2), M1062; https://doi.org/10.3390/M1062
Received: 1 May 2019 / Revised: 23 May 2019 / Accepted: 28 May 2019 / Published: 29 May 2019
(This article belongs to the Collection Molecules from Catalytic Processes)
Hydrazones were obtained in 76–78% yield via condensation of (2S,5R)-2-isopropyl-5-methylcyclohexanone with 4-R-phenoxyacetic acid hydrazides in the presence of a catalytic amount of glacial acetic acid. The structure of the target compounds has been established by FTIR-ATR, Raman, 1H-NMR and 13C-NMR spectral analysis and EI/FAB/ESI mass spectrometry. Thermal properties of hydrazones 3a3e were elucidated by differential scanning calorimetry (DSC) and their purity by HPLC coupled to mass spectrometry. Synthesized compounds were found to exist as Z/E geometrical isomers about C=N bond and cis/trans amide conformers. View Full-Text
Keywords: hydrazones; l-menthone; phenoxyacetic acid; terpenoid hydrazones; l-menthone; phenoxyacetic acid; terpenoid
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MDPI and ACS Style

Nesterkina, M.; Barbalat, D.; Zheltvay, I.; Rakipov, I.; Atakay, M.; Salih, B.; Kravchenko, I. (2S,5R)-2-Isopropyl-5-methylcyclohexanone Hydrazones. Molbank 2019, 2019, M1062.

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