A review: Biologically active 3, 4-heterocycle-fused coumarins
The combination of heterocycles offers a new opportunity to create novel multicyclic
compounds having improved biological activity. Coumarins are ubiquitous natural …
compounds having improved biological activity. Coumarins are ubiquitous natural …
Recent applications of barbituric acid in multicomponent reactions
GM Ziarani, F Aleali, N Lashgari - RSC advances, 2016 - pubs.rsc.org
Barbituric acid has been utilized in the design and synthesis of diverse types of heterocyclic
and carbocyclic compounds and considered as an important building block in organic …
and carbocyclic compounds and considered as an important building block in organic …
Glycine catalyzed one-pot three-component synthesis of structurally diverse 2-amino substituted pyran annulated heterocycles in aqueous ethanol under refluxed …
B Banerjee, M Kaur, A Sharma, A Singh… - Current Green …, 2022 - ingentaconnect.com
Introduction: A facile, convenient and general method has been developed for the one-pot
three-component synthesis of structurally diverse 2-amino pyran annulated heterocycles …
three-component synthesis of structurally diverse 2-amino pyran annulated heterocycles …
[HTML][HTML] Recent advances in 4-hydroxycoumarin chemistry. Part 1: Synthesis and reactions
MM Abdou, RA El-Saeed, S Bondock - Arabian journal of chemistry, 2019 - Elsevier
Recent advances in 4-hydroxycoumarin chemistry. Part 1: Synthesis and reactions -
ScienceDirect Skip to main contentSkip to article Elsevier logo Journals & Books Help Search …
ScienceDirect Skip to main contentSkip to article Elsevier logo Journals & Books Help Search …
K2S2O8 Mediated Three‐component Radical Cascade C3 Alkylation of Quinoxalin‐2(1H)‐ones with Vinylarenes and 4‐Hydroxycoumarins/4‐Hydroxy‐6‐methyl‐2 …
S Sharma, M Bhuyan, G Baishya - ChemistrySelect, 2022 - Wiley Online Library
Abstract Quinoxalin‐2 (1H)‐ones undergo a three‐component radical cascade C3 alkylation
reaction with 4‐hydroxycoumarins/4‐hydroxy‐6‐methyl‐2‐pyrone by using vinyl arenes as …
reaction with 4‐hydroxycoumarins/4‐hydroxy‐6‐methyl‐2‐pyrone by using vinyl arenes as …
tert-Butylhydroperoxide (TBHP) mediated oxidative cross-dehydrogenative coupling of quinoxalin-2 (1 H)-ones with 4-hydroxycoumarins, 4-hydroxy-6-methyl-2 …
S Sharma, NB Dutta, M Bhuyan, B Das… - Organic & Biomolecular …, 2020 - pubs.rsc.org
We report an efficient and atom-economical method of C-3 functionalization of quinoxalin-2
(1H)-ones with 4-hydroxycoumarins, 4-hydroxy-6-methyl-2-pyrone, and 2-hydroxy-1, 4 …
(1H)-ones with 4-hydroxycoumarins, 4-hydroxy-6-methyl-2-pyrone, and 2-hydroxy-1, 4 …
Synthesis of diverse amide linked bis-indoles and indole derivatives bearing coumarin-based moiety: Cytotoxicity and molecular docking investigations
AH Halawa, SM Abd El-Gilil, AH Bedair… - Medicinal Chemistry …, 2018 - Springer
New amide linked bis-indoles 10a, b, and 12 have been synthesized by treatment of
tryptamine (9) or 5-aminoindole (11) with oxalyl chloride or adipoyl chloride. In addition, a …
tryptamine (9) or 5-aminoindole (11) with oxalyl chloride or adipoyl chloride. In addition, a …
Direct synthesis of 4-hydroxycoumarins and 4-hydroxy-6-methyl-2-pyrone containing chroman-4-ones via a silver catalyzed radical cascade cyclization reaction
For the first time, we report a novel silver catalyzed radical cascade cyclization reaction of 2-
(allyloxy) arylaldehydes to synthesize two new libraries of chroman-4-ones by using 4 …
(allyloxy) arylaldehydes to synthesize two new libraries of chroman-4-ones by using 4 …
Bi (iii)-catalyzed synthesis of furocoumarins via a three component reaction of arylglyoxal monohydrates, coumarins and N-substituted anilines
S Sharma, P Saikia, M Bhuyan, G Baishya - New Journal of Chemistry, 2024 - pubs.rsc.org
We report a bismuth (III) triflate catalyzed novel, efficient and atom-economical one-pot three-
component methodology for the synthesis of furo [3, 2-c]-coumarins from arylglyoxals, 4 …
component methodology for the synthesis of furo [3, 2-c]-coumarins from arylglyoxals, 4 …
[PDF][PDF] Structure-activity relationship of anticancer potential of 4-hydroxycoumarin and its derivatives: A comparative study
SM Banday, M Showkat, KZ Khan - Asian Journal of Pharmacy and …, 2019 - ajpp.in
Objective: our In view of high degree of bioactivity shown by 4-hydroxycoumarin and the
compounds derived from it, main aim was to carry out the synthesis of various structurally …
compounds derived from it, main aim was to carry out the synthesis of various structurally …