Results 21 to 30 of about 26,334 (117)

Efficient Multicomponent Synthesis of Diverse Antibacterial Embelin-Privileged Structure Conjugates

Molecules, 2020
A library of embelin derivatives has been synthesized through a multicomponent reaction from embelin (1), aldehydes and privileged structures such as 4-hydroxycoumarin, 4-hydroxy-2H-pyran-2-one and 2-naphthol, in the presence of InCl3 as catalyst.
Pedro Martín-Acosta, Rosalyn Peña, Gabriela Feresin, Alejandro Tapia, Isabel Lorenzo-Castrillejo, Félix Machín, Ángel Amesty, Ana Estévez-Braun   +7 more
doaj   +1 more source

Isocyanides: Promising Functionalities in Bioorthogonal Labeling of Biomolecules

Frontiers 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, Jia-Yu Liao, Jia-Yu Liao, Linghui Qian, Linghui Qian, Linghui Qian, Linghui Qian   +6 more
doaj   +1 more source

A One-Pot Synthesis of Oxazepine-Quinazolinone bis-Heterocyclic Scaffolds via Isocyanide-Based Three-Component Reactions

Frontiers in Chemistry, 2019
A novel, efficient and environmentally friendly approach has been developed for the synthesis of biologically important bis-heterocyclic oxazepine-quinazolinone derivatives.
Shabnam Shaabani, Ahmad Shaabani, Monika Kucerakova, Michal Dusek   +3 more
doaj   +1 more source

Switchable pathways of multicomponent heterocyclizations of 5-amino-1,2,4-triazoles with salicylaldehydes and pyruvic acid

Beilstein Journal of Organic Chemistry
Switchable multicomponent reactions involving 3-substituted-5-amino-1,2,4-triazoles, pyruvic acid, and salicylaldehydes were studied under different conditions.
Yana I. Sakhno, Oleksander V. Buravov, Kostyantyn Yu. Yurkov, Anastasia Yu. Andryushchenko, Svitlana V. Shishkina, Valentyn A. Chebanov   +5 more
doaj   +1 more source

A green multicomponent approach for the synthesis of 4-quinoline carboxylic acid via modified Doebner hydrogen transfer reaction

Green Chemistry Letters and Reviews
A modified, eco-friendly, and efficient one-pot multicomponent Doebner hydrogen transfer strategy has been developed to produce 4-quinoline carboxylic acid.
Sachin Krishna Meghe, Vijayaparthasarathi Vijayakumar   +1 more
doaj   +1 more source

Rotas de síntese e a homogeneidade dos precursores de mulita e cordierita Routes of synthesis and the homogeneity of mullite and cordierite precursors

Química Nova, 1998
Multicomponent ceramics are mainly synthesized by conventional solid-state reaction route and sol-gel routes. In the sol-gel route, colloidal or polymeric gel are envolved.
Patrícia Tavares de Lima, Celso Aparecido Bertran, Gilmar Patrocínio Thim   +2 more
doaj   +1 more source

The Bucherer–Bergs Multicomponent Synthesis of Hydantoins—Excellence in Simplicity

Molecules, 2021
Hydantoins and their hybrids with other molecules represent a very important group of heterocycles because they exhibit diverse biological and pharmacological activities in medicinal and agrochemical applications. They also serve as key precursors in the
Martin Kalník, Peter Gabko, Maroš Bella, Miroslav Koóš   +3 more
doaj   +1 more source

Advances of Ugi reaction in natural product synthesis

Green Synthesis and Catalysis
The Ugi multicomponent reaction represents a highly efficient synthetic transformation, wherein all four reactants (isocyanides, amine, aldehyde or ketone and a nucleophile) are combined in one pot under mild conditions. This reaction exhibits remarkable
Wen Zhang, Pei Tang, Mohamed Aamer Abubaker, Guo-Hua Hu, Fen-Er Chen   +4 more
doaj   +1 more source

Synthesis of 1,5-Disubstituted Tetrazoles in Aqueous Micelles at Room Temperature

Molbank, 2021
The ongoing study is a Ugi-azide four-component reaction for the synthesis of 1,5-disubstituted tetrazole(1,5-DST), which involves an aldehyde, different amines, isocyanides, and as azide’s source the Trimethylsilylazide (TMSN3), in water as solvent ...
Mohammed Abdessalam, Madjid Ait Sidhoum, Fatima-Zohra Zradni, Hocine Ilikti   +3 more
doaj   +1 more source

Mathematical Simulation of Multiphase Reactive Chromatography Process

Chemical Engineering Transactions, 2017
In order to carry out theoretical analysis and digital simulation for multiphase reactive chromatography, the multiphase and multicomponent reaction chromatography equations are established considering the coupling effect between chemical reaction and ...
Yanhui Ma, Yanjun Ma
doaj   +1 more source