Results 31 to 40 of about 4,472,736 (328)

Into the Blue: Ketene Multicomponent Reactions under Visible Light

open access: yesJournal of Organic Chemistry, 2021
For the first time, a detailed study on the photophysical properties of variously substituted diazoketones and on their photoreactivity under blue LED irradiation was carried out.
P. Capurro   +4 more
semanticscholar   +1 more source

Electrochemical Synthesis of Sulfonamides in Single‐Pass Flow

open access: yesChemElectroChem, 2023
An electrochemical multicomponent synthesis of sulfonamides at room temperature in single‐pass flow is presented. In contrast to batch‐type electrolysis, an undivided flow cell setup with a stainless‐steel cathode and either a boron‐doped diamond (BDD ...
Johannes Schneider   +2 more
doaj   +1 more source

Exploiting the Nucleophilicity of the Nitrogen Atom of Imidazoles: One-Pot Three-Component Synthesis of Imidazo-Pyrazines

open access: yesMolecules, 2019
A novel one-pot multicomponent reaction to synthesize substituted imidazopyrazines is described. In brief, 1H-(imidazol-5-yl)-N-substituted methanamines react with aldehydes and isocyanides in methanol at room temperature to give imidazopyrazine ...
Ubaldina Galli   +7 more
doaj   +1 more source

An Efficient One-pot Synthesis of Dimethyl 1-(Aryl)-5-cyano-4 (cyclohexylamino)-1,2,5,6-tetrahydro-6-oxopyridine-2,3-dicarboxylate derivatives [PDF]

open access: yesInternational Journal of New Chemistry, 2014
: The reactive 1:1 intermediate produced in the reaction between cyclohexyl isocyanide and electron- deficient acetylenic esters or dimethyl acetylene dicarboxylate was trapped by 2-cyano-N-(Aryl) acetamides to provides highly functionalized oxopyridine (
Hossein Anaraki-Ardakani   +1 more
doaj   +1 more source

Active Methylene-based Multicomponent Reactions under Microwave Heating

open access: yesCHIMIA, 2011
The use of emerging multicomponent reactions (MCRs) in conjunction with microwave (MW)-assisted chemistry techniques is dramatically reducing chemical waste and reaction times in several organic syntheses and chemical transformations.
Bo Jiang, Shu-Jiang Tu
doaj   +1 more source

Synthesis of Depsipeptides via Isocyanide-Based Consecutive Bargellini–Passerini Multicomponent Reactions

open access: yesSynOpen, 2021
An efficient and straightforward approach has been established for the preparation of a new class of depsipeptide structures via isocyanide-based consecutive Bargellini–Passerini multicomponent reactions.
Hassan Farhid   +3 more
doaj   +1 more source

Multicomponent Reactions of Isocyanides for the Preparation of Low Molecular Weight Gelators: Preliminary Studies

open access: yesChemistry Proceedings, 2021
Low molecular weight gelators, LMWGs, are small molecules that can self-associate in organic solvents or in water to form fibrous supramolecular architectures and three-dimensional networks that present important applications in several fields.
José L. Ramiro   +2 more
doaj   +1 more source

Multicomponent Reactions Accelerated by Aqueous Micelles

open access: yesFrontiers in Chemistry, 2018
Multicomponent reactions are powerful synthetic tools for the efficient creation of complex organic molecules in an one-pot one-step fashion. Moreover, the amount of solvents and energy needed for separation and purification of intermediates is ...
Daniel Paprocki   +4 more
doaj   +1 more source

Isocyanides: Promising Functionalities in Bioorthogonal Labeling of Biomolecules

open access: yesFrontiers in Chemistry, 2021
Isocyanides have drawn increasing attention in biological applications due to their attractive properties and unique reactivities, which can undergo various reactions, such as multicomponent reactions, α-addition reactions, [4 + 1] cycloaddition ...
Yuchen Zhu   +6 more
doaj   +1 more source

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