1373886-08-8Relevant articles and documents
Green synthesis, antioxidant and antibacterial activities of 4-aryl-3,4-dihydropyrimidinones/thiones derivatives of curcumin. Theoretical calculations and mechanism study
Khaldi-Khellafi, Nassima,Makhloufi-Chebli, Malika,Oukacha-Hikem, Djamila,Bouaziz, Souhila Terachet,Lamara, Kamilia Ould,Idir, Taous,Benazzouz-Touami, Amina,Dumas, Fran?oise
, p. 261 - 269 (2019/01/08)
3,4-Dihydropyrimidin-2(1H)-one/thione analogs of curcumin were synthesized in good yield by a one-pot multi-component cyclocondensation using curcumin, substituted aromatic aldehydes, and urea/thiourea in less volume of ethanol catalysed by commercial heteropolyacide Keggin type H3PMo12O40 5% mol as a recyclable and nontoxic catalyst under conventional heating and microwave irradiation. All the synthesized curcumin derivatives 4a–n were screened for antioxidant and antimicrobial activity. Biological activity data of the synthesized showed that most of the synthesized compounds exhibited greater antioxidant and antibacterial activity than curcumin. Geometries of synthesized compounds were optimized by using B3LYP method with 6-31G* basis set. Then, DFT based reactivity descriptors such as HOMO, LUMO, chemical hardness, electronegativity, chemical potential were calculated and discussed.
Design, synthesis, synergistic antimicrobial activity and cytotoxicity of 4-aryl substituted 3,4-dihydropyrimidinones of curcumin
Lal, Jaggi,Gupta,Thavaselvam,Agarwal
supporting information; experimental part, p. 2872 - 2876 (2012/06/01)
3,4-Dihydropyrimidinones of curcumin were synthesized in excellent yield by multi-component one-pot condensation of curcumin, substituted aromatic aldehydes and urea/thiourea under solvent free conditions using SnCl 2·2H2O catalyst. All the synthesized compounds have been characterized by IR, 1H NMR, 13C NMR, Mass spectra as well as elemental analyses. The synthesized compounds 4a-n were evaluated for their synergistic antimicrobial (antibacterial and antifungal) activity against bacteria and fungi. Zone of inhibition was measured by adopting disc diffusion method. In vitro minimum inhibitory concentrations were measured using broth microdilution and food poisoning method. In addition to this in vitro cytotoxicity of synthesized compounds against three human cancer lines Hep-G2, HCT-116 and QG-56 were also evaluated. Most of the compounds showed interesting antimicrobial and cytotoxic activity as compared to curcumin, that is, the compounds derived from 2-hydroxy benzaldehyde, 4-hydroxy benzaldehyde and 4-hydroxy-3-methoxy benzaldehyde showed the highest biological activity as compared to other compounds.