New Z-chalcones obtained from aloe-emodin: Synthesis, characterization and photophysical properties

New Z-chalcones obtained from aloe-emodin: Synthesis, characterization and photophysical properties

Three new Z-chalcone derivatives were synthesized under stereoselective conditions by condensation between an aldehyde derivative (prepared from aloe-emodin) and an acetophenone, using potassium hydroxide in dimethyl sulfoxide/H2O at room temperature. The Z configuration of the chalcone derivatives...

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Veröffentlicht in:Journal of chemical research 2019-03, Vol.43 (3-4), p.101-106
Hauptverfasser: Canudas, Nieves, Moreno, Manuel, Pekerar, Sara, Gámez, Carlos, Sucre, Estefania, Villamizar, José E
Format: Artikel
Sprache:eng
Schlagworte:
Acetophenone
Aldehydes
Aloe
Authorship
Cancer
Derivatives
Dimethyl sulfoxide
Emission analysis
Emission spectra
Magnetic properties
NMR
Nuclear magnetic resonance
Potash
Potassium
Potassium hydroxides
Stereoselectivity
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Beschreibung
Zusammenfassung:Three new Z-chalcone derivatives were synthesized under stereoselective conditions by condensation between an aldehyde derivative (prepared from aloe-emodin) and an acetophenone, using potassium hydroxide in dimethyl sulfoxide/H2O at room temperature. The Z configuration of the chalcone derivatives was established by nuclear magnetic resonance (NMR) studies. Photophysical properties related to the UV-Vis absorption/emission spectra and molar extinction coefficients (ε) in different solvents were determined.
ISSN:1747-5198
2047-6507
DOI:10.1177/1747519819841822