SYNTHESIS OF CHALCONES VIA CLAISEN–SCHMIDT CONDENSATION REACTION CATALYZED BY SILICA-H2SO4 UNDER ULTRASOUND IRRADIATION [PDF]
, 2014 The synthesis of 1,3-diaryl-2-propenones was carried out by using ultrasonic irradiation in the presence of silica-H2SO4, which was used as a catalyst in solvent-free conditions.
Chtourou, Manef +3 more
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Armaghane Danesh Bimonthly Journal, 2011 Introduction & Objective: Alpha amylase is the most important decomposing enzyme in starch. Digestion and absorption of starch in the intestine can be prevented and also the blood sugar levels can be controlled by restrain and control of alpha amylase ...
M Najafian +4 more
doaj
Acta Crystallographica Section E: Crystallographic Communications, 2018 The title chalcone compounds, C27H18O (I) and C33H20O (II), were synthesized using a Claisen–Schmidt condensation. Both compounds display an s-trans configuration of the enone moiety.
Dian Alwani Zainuri +2 more
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(E)-1-(4-Aminophenyl)-3-(naphthalen-2-yl)prop-2-en-1-one
Acta Crystallographica Section E, 2011 The molecule of the title chalcone derivative, C19H15NO, exists in a trans configuration with respect to the C=C double bond. The molecule is slightly twisted with a dihedral angle of 6.12 (12)° between the benzene ring and the ...
Thawanrat Kobkeatthawin +3 more
doaj +1 more source
A reciclable bifuctional acid-base organocatalyst with ionic liquid character. The role of sites separation and spatial configuration on different condensation reaction [PDF]
, 2011 A series of bifunctional organic catalysts containing acid and basic sites with ionic liquid characteristics have been prepared and their catalytic activity and reaction coordinate for aldol and Knoevenagel condensations have been compared.
Avelino Corma +38 more
core +1 more source
RSC Advances, 2019 An aerobic coupling of 2-aminopyrimidines or 2-aminopyridines with trans-chalcones to afford aroylimidazo[1,2-a]pyrimidines and aroylimidazo[1,2-a]pyridines is reported.
Oanh T. K. Nguyen +6 more
openaire +3 more sources
Trans-chalcone suppresses tumor growth mediated at least in part by the induction of heme oxygenase-1 in breast cancer. [PDF]
Toxicol Res, 2021 Komoto TT +6 more
europepmc +1 more source
Efeito da substituição por átomos de flúor no equilíbrio conformacional de chalcona
Química Nova, 2001 Chalcone (1) and its fluorinated derivatives 2-4, as well as their cyclic analogues 5-10, were synthesized through an aldol condensation reaction between the corresponding ketone and aldehyde. These compounds were characterized by IR, EIMS and ¹H and 13C
Cesarin-Sobrinho Dari +2 more
doaj
Trans-Chalcone Plus Baicalein Synergistically Reduce Intracellular Amyloid Beta (Aβ42) and Protect from Aβ42 Induced Oxidative Damage in Yeast Models of Alzheimer's Disease. [PDF]
Int J Mol Sci, 2021 Dhakal S +3 more
europepmc +1 more source
Cytotoxic activity evaluation of chalcones on human and mouse cell lines [PDF]
, 2014 core +1 more source