Results 1 to 10 of about 4,842 (141)

New MgFeAl-LDH Catalysts for Claisen–Schmidt Condensation [PDF]

open access: yesMolecules, 2022
A rapid, cheap and feasible new approach was used to synthesize the Mg0.375Fe0.375Al0.25-LDH in the presence of tetramethylammonium hydroxide (TMAH), as a nontraditional hydrolysis agent, applying both mechano-chemical (MC) and co-precipitation methods ...
Rodica Zăvoianu   +4 more
doaj   +2 more sources

SYNTHESIS, CHARACTERIZATION AND ANTIOXIDANT ACTIVITY OF 7-HYDROXY-3',4'-DIMETHOXYFLAVONE [PDF]

open access: yesIndonesian Journal of Chemistry, 2012
Synthesis of flavones and their derivatives has attracted considerable attention due to their significant pharmaceutical effects. 7-hydroxy-3',4'-dimethoxyflavone has been synthesized and its antioxidant activity has been investigated.
Elfi Susanti VH   +4 more
doaj   +5 more sources

Synthesis of Isobenzofuranones and Isoindolinones via Claisen–Schmidt Condensation and Their Antileishmanial Activity [PDF]

open access: yesACS Omega
Sireethon Khotsombat   +10 more
doaj   +2 more sources

New Pyrazolines with Imine Moiety: Synthesis, Characterization

open access: yesTikrit Journal of Pure Science, 2021
Chalcone was prepared  by   claisen- schmidt  condensation  between   reaction equivalent moles  from 4-amino acetophenone with  thiophen -2-carboxaldehyde in presence sodium hydroxide as base, the mechanism was involved the abstraction α Proton by base
Marwa A. Atiyah   +2 more
doaj   +1 more source

Cyclodienyl 1,3 - Dianionic Synthons: A Novel Synthesis of 5,5 - Dimethyl - 1,3 - Bis - (trimethylsilyl) Cyclohexa - 1,3 - Diene and its Diels - Alder [π4s+π2s] Cycloadditions with Six Dienophiles [PDF]

open access: yes, 2012
The synthesis of 5,5-dimethyl-1,3-bis(trimethylsilyl)cyclohexa-1,3-diene: a novel cyclic 1,3-dianionic synthon is reported by the Wurtz-Fittig coupling reaction of 1,3-dichloro-5,5-dimethylcyclohexa-1,3-diene with metallic sodium and ...
Hariprasad Suresh, .   +1 more
core   +1 more source

(E)-1-(2-Hydroxy-4,6-dimethoxyphenyl)-3-[4-methoxy-3-(3-methylbut-2-en-1-yl)phenyl]prop-2-en-1-one

open access: yesMolbank, 2010
A novel prenylated chalcone, (E)-1-(2-hydroxy-4,6-dimethoxyphenyl)-3-[4-methoxy-3-(3-methylbut-2-en-1-yl)phenyl]prop-2-en-1-one was synthesized and the structure of the title compound was established by 1H and 13C nuclear magnetic resonance (NMR), mass ...
Adiana Mohamed Adib
doaj   +1 more source

SYNTHESIS OF FLAVANONE-6-CARBOXYLIC ACID DERIVATIVES FROM SALICYLIC ACID DERIVATIVE

open access: yesIndonesian Journal of Chemistry, 2012
Synthesis of flavanone-6-carboxylic acid derivatives had been conducted via the route of chalcone. The synthesis was carried out from salicylic acid derivative, i.e.
Muhammad Idham Darussalam Mardjan   +4 more
doaj   +1 more source

Synthesis of 1-acetyl-3,5-diphenyl-1H-pyrazole from Chalcone

open access: yesASM Science Journal, 2021
The synthesis of chalcone has drawn tremendous interest over the past years due to its wide applications in the pharmaceutical and biological sectors.
Noor Hidayah Pungot   +2 more
doaj   +1 more source

3-(4-Methoxyphenyl)-1-(2-nitrophenyl)prop-2-en-1-one

open access: yesActa Crystallographica Section E, 2009
The title compound, C16H13NO4, was prepared from 2-nitrylhypnone [systematic name: 1-(2-nitrophenyl)ethanone] and 4-methoxybenzophenone by a Claisen–Schmidt condensation. The dihedral angle formed by the two benzene rings is 80.73 (2).
Fang-Fang Jian   +3 more
doaj   +1 more source

Microwave-Assisted Claisen-Schmidt Condensation Reaction of Ethyl p-methoxycinnamate to Synthesize p-Methoxystyryl Ketone Derivatives and Evaluate Anti-inflammatory Activity of Synthetic Products

open access: yesJournal of Mathematical and Fundamental Sciences, 2021
The rhizome of Kaempferia galanga has been known to contain ethyl p-methoxycinnamate (EPMC) (1) as a main component, which has anti-inflammatory properties.
Ismiarni Komala   +10 more
doaj   +1 more source

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