Results 31 to 40 of about 4,881 (175)
Synthesis, characterization and evaluation of antiinflammatory properties of novel α, β-unsaturated ketones [PDF]
Purpose: To prepare and characterize alicyclic aromatic chalcone derivatives, and study their antibiotic and anti-inflammatory properties.Methods: Claisen-Schmidt (aldol condensation) base-catalyzed condensation was used for preparation of chalcone ...
Alrubaie, Leaqaa A. +2 more
core +2 more sources
Synthesis and characterization of new Oxazine , Thiazine and Pyrazol derived from chalcones
In this study, chalcones were synthesis by condensing 2-acetylpyridine with aromatic aldehyde derivatives in dilute ethanolic potassium hydroxide solution at room temperature according to Claisen-Schmidt condensation.
Baghdad Science Journal
doaj +1 more source
(E)-1-(2-Aminophenyl)-3-(4-chlorophenyl)prop-2-en-1-one [PDF]
The title chalcone (E)-1-(2-aminophenyl)-3-(4-chlorophenyl)prop-2-en-1-one was prepared with an excellent yield from a Claisen–Schmidt condensation reaction between o-aminoacetophenone and p-chlorobenzaldehyde.
Abonia, Rodrigo +5 more
core +2 more sources
Emergence of multi-drug resistant tuberculosis (MDR-TB) and HIV-TB co-infections potentiate the development of newer antitubercular agents to combat against tuberculosis, a dreadful disease.
Mohamed Jawed Ahsan, Veerendra Saini
doaj +1 more source
Synthetic approaches toward sesterterpenoids [PDF]
Sesterterpenoids account for many bioactive natural products, often with unusual and complex structural features, which makes them attractive targets for synthetic chemists. This review surveys efforts undertaken toward the synthesis of sesterterpenoids,
Hog, Daniel T. +2 more
core +1 more source
Synthesis and Antimicrobial Activity of Some New Chalcones of 2-Acetyl Pyridine
Six new chalcones were synthesised by condensing 2-acetyl pyridine with aldehyde derivatives in dilute ethanolic potassium hydroxide solution at room temperature according to Claisen-Schmidt condensation.
Y. Rajendra Prasad +3 more
doaj +1 more source
(E)-3-[3-(2-Butoxyquinolin-3-yl)acryloyl]-2-hydroxy-4H-chromen-4-one
The coumarinyl-quinolinylchalcone hybrid (E)-3-[3-(2-butoxyquinolin-3-yl)acryloyl]-2-hydroxy-4H-chromen-4-one 3b was prepared in good yield from a Claisen-Schmidt condensation reaction between 3-acetyl-4-hydroxy-2H-chromen-2-one 1 and 2-butoxyquinoline-3-
Rodrigo Abonia +3 more
doaj +1 more source
A series of 5-((3-Aryl-1-phenyl-1H-pyrazol-4-yl)methylene)-2-thioxothiazolidin-4-ones were synthesised by the Claisen-Schmidt condensation of 1,3-diphenyl-1H-pyrazole-4-carbaldehyde with 2-thioxothiazolidin-4-one using Ionic liquid under both ...
D. Valli Sowbhagyam +2 more
doaj +1 more source
Role of the synthesis route on the properties of hybrid LDH-graphene as basic catalysts [PDF]
Layered double hydroxides (LDH or HT) or their derived mixed oxides present marked acid-base properties useful in catalysis, but they lead to agglomerate inducing a weak accessibility to the active sites.
Alvarez, Mayra G +3 more
core +2 more sources
Three piperidone curcumin analogues (N-methyl-(3E,5E)-3,5-bis-(2-chlorobenzylidene)-4-piperidone (1), N-methyl-(3E,5E)-3,5-bis-(3-bromobenzylidene)-4-piperidone (2) and N-methyl-(3E,5E)-3,5-bis-(4-chlorobenzylidene)-4-piperidone (3)) were synthesized ...
Yum Eryanti +4 more
doaj +1 more source

