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1 article(s) from Lamosa, Roberta

Effects of the aldehyde-derived ring substituent on the properties of two new bioinspired trimethoxybenzoylhydrazones: methyl vs nitro groups

Dayanne Martins,
Roberta Lamosa,
Talis Uelisson da Silva,
Carolina B. P. Ligiero,
Sérgio de Paula Machado,
Daphne S. Cukierman and
Nicolás A. Rey

Beilstein J. Org. Chem. 2023, 19, 1713–1727, doi:10.3762/bjoc.19.125

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Scheme 1: Structure of (A) 3-methylsalicylaldehyde 3,4,5-trimethoxybenzoyl hydrazone (hdz-CH₃) and (B) 3-nitr...

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Figure 1: ORTEP representation of the new N-acylhydrazones synthesized in the present work, drawn with therma...

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Figure 2: (A) Superposition of molecular structures and stacked motifs of (B) hdz-CH₃ and (C) hdz-NO₂.

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Figure 3: Overlap of the experimental (carbon atoms colored in gray) and theoretical structures (calculated w...

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Figure 4: Mid-infrared spectra of the compounds. Experimental conditions: KBr pellets, room temperature. Calc...

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Figure 5: ¹H NMR (400 MHz) spectra of (A) hdz-CH₃ and (B) hdz-NO₂ in DMSO-d₆ at 25 °C.

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Figure 6: Electronic absorption spectra in a selected wavelength region for a solution of hdz-CH₃ in 10% DMSO...

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Figure 7: Electronic absorption spectra of hdz-NO₂ in selected wavelength regions. Experimental conditions: l...

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Scheme 2: General scheme for the synthesis of the studied hydrazones.

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Published 10 Nov 2023

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