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Methods for the Catalytic Synthesis of Piperazine
AbstractPiperazine synthesis methods on intermolecular and intramolecular cyclization catalytic processes are compared and reviewed analytically. The...
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Synthesis of N-benzylidene- and N-alkylidene(3,3-dialkyl-3,4-dihydroisoquinolin-1(2H)-ylidene)acetohydrazides via the Ritter reaction
The Ritter cyclocondensation of 2-methyl-1-phenylpropan-2-ols with cyanoacetohydrazide hydrazones in PhMe–H 2 SO 4 medium at 60–70°С for 20 min resulted...
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3-Acetylquinoline Derivatives: Synthesis and Reactions (A Review)
AbstractThe chemistry of 3-acetylquinoline has attracted increased attention in both synthetic organic and medicinal chemistry. The present review...
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4,5-Dihydro-1,2,4-triazin-6(1H)-ones (microreview)
The present microreview highlights key strategies for the synthesis of 4,5-dihydro-1,2,4-triazin-6(1 H )-ones reported up to date. The discussed...
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Enhancing stability and bioavailability of sulforaphene in radish seed extracts using nanoemulsion made with high oleic sunflower oil
The effect of nanoemulsions on the stability and bioavailability of sulforaphene (SFEN) in radish seed extract (RSE) was investigated. Four types of...
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C–N bond cleavage of benzylamines with singlet molecular oxygen generated from trans-5-hydroperoxy-3,5dimethyl-1,2-dioxolan-3-yl ethaneperoxate: synthesis of 2,4,6-triaryl pyridines
An efficient method for the synthesis of 2,4,6-triaryl pyridines is disclosed. Singlet molecular oxygen generated from...
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Carbazole-based photocatalyst (4CzIPN) as a novel donor-acceptor fluorophore-catalyzed visible-light-induced photosynthesis of dihydropyrano[2,3-c]pyrazole scaffolds via a proton-coupled electron transfer process
A green radical synthesis method for pyranopyrazole scaffolds catalyzed by a PCET (proton-coupled electron transfer) photocatalyst in an aqueous...
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Synthesis of 1, 3, 5-trisubstituted-4,5-dihydro-1H-pyrazole catalyzed by vitamin B1 and its fluorescence properties
AbstractAn efficient synthesis of 1,3,5-trisubstituted-1 H -pyrazoles was developed via cyclocondensation in 78–92% yields starting from α , β -unsaturate...
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Synthetic Approaches, Biological Activities, and Structure–Activity Relationship of Pyrazolines and Related Derivatives
It has been established that pyrazolines and their analogs are pharmacologically active scaffolds. The pyrazoline moiety is present in several...
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Synthesis of 5-amino-1H-pyrazolo[4,3-b]pyridine derivatives and annulation of imidazole and pyrimidine rings thereto
1-Alkyl- N -Boc-5-formylpyrazol-4-amines react with malononitrile and cyanoacetamide to form 5-amino-1 H -pyrazolo[4,3- b ]pyridine nitriles and amides,...
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Tetrahydroazepines with an annulated five-membered heteroaromatic ring
The review summarizes and analyzes the literature data on the synthetic design of promising biologically active hydrogenated furo-, thieno-,...
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A Bifunctional Metal/Acid Catalyst for One-pot Multistep Synthesis of Pharmaceuticals
AbstractOne inhibitor of the fatty acid transporter FATP4 was synthesized in a three steps one-pot process in the presence of a bifunctional...
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[3+3] Cyclocondensation of 4,5-Dibenzoyl-1H-pyrrole-2,3-diones with 3-Aminocyclopent-2-enone. Synthesis of Cyclopenta[b]pyridines
4,5-Dibenzoyl-1 H -pyrrole-2,3-diones react with 3-aminocyclopent-2-en-1-one to form N -substituted 2-(4-benzoyl-5-oxo-2-phenyl-5 H -cyclopenta[ b ]pyridin-3-yl)-2-oxoacetamides....
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Ruthenium-Catalyzed Synthesis of Heterocyclic Compounds
Heterocyclic compounds have been synthesized by means of stoichiometric reagents under acidic or basic conditions. Recent progress of homogeneous...
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Synthesis of 3,5-difuroxanyl-1,6-dihydro-1,2,4-triazines
An approach for the synthesis of the first representatives of 3,5-difuroxanyl-1,6-di-hydro-1,2,4-triazines based on the reaction of...
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Growing Impact of Ionic Liquids in Heterocyclic Chemistry
In the quest for replacing the conventional toxic organic solvents, a continual effort has been made in fabricating a solvent that is versatile,...
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Quinoxaline-based semi-interpenetrating polymer network of sulfonated poly(arylene ether)s and sulfonated polyimides as proton exchange membranes
Semi-interpenetrating polymer network (sIPN) proton exchange membranes are prepared from sulfonated polyimides (SPIs) and cross-linkable sulfonated...
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Pnictogens: Bridging the Gap in Biomedical Advancements
Pnictogens, a faction of elements in group 15 of the periodic table, belong to the family of post-graphene and have garnered significant attention in...
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Sonochemical Protocols for Heterocyclic Synthesis: A Representative Review
In the present era of the industrial revolution, we all are familiar with ever-increasing environmental pollution released from various chemical...
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Selenium-containing azoles: synthesis and possibilities of application
The review summarizes and analyzes data published over the last twenty years on the synthesis of functionalized selanyl azoles containing two...
