Molecules, 2018 Increasingly stringent regulations aimed at protection of the natural environment have stimulated the search for new synthetic methodologies in organic and medicinal chemistry having no or minimum harmful effect.
Anna Pawełczyk +3 more
doaj +1 more source
Spectroscopic studies of the Chan–Lam amination: a mechanism-inspired solution to boronic ester reactivity [PDF]
, 2017 We report an investigation of the Chan–Lam amination reaction. A combination of spectroscopy, computational modeling, and crystallography has identified the structures of key intermediates and allowed a complete mechanistic description to be presented ...
Isidro-Llobet, Albert +4 more
core +5 more sources
Oxetanes: Recent Advances in Synthesis, Reactivity and Medicinal Chemistry [PDF]
, 2016 The 4-membered oxetane ring has been increasingly exploited for its behaviors, i.e. influence on physicochemical properties as a stable motif in medicinal chemistry, and propensity to undergo ring opening reactions as a synthetic intermediate.
Bull, JA +4 more
core +1 more source
SYNTHESIS AND CONFORMATION OF p-(AMINO)BUTOXYCALIX[4]ARENE
Indonesian Journal of Chemistry, 2010 Derivatization of 5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix[4]-arene to 5,11,17,23-tetra-amino-25,26,27,28-tetrabutoxycalix[4]arene compound via etherification, ipso nitration, and reduction reactions, respectively has been conducted.
Firdaus Firdaus +2 more
doaj +1 more source
Gold(I)-Catalysed Direct Thioetherifications Using Allylic Alcohols: an Experimental and Computational Study [PDF]
, 2014 A gold(I)-catalysed direct thioetherification reaction between allylic alcohols and thiols is presented. The reaction is generally highly regioselective (S(N)2′).
Barker, Graeme +6 more
core +1 more source
Journal of Saudi Chemical Society, 2016 In this paper, we describe a simple and convenient conversion of aryl aldehydes to symmetrical dibenzyl ethers through reductive etherification. Similarly, unsymmetrical dibenzyl ether was obtained from aryl aldehyde and TES-protected benzyl alcohol ...
J. Sembian Ruso +3 more
doaj +1 more source
Molecules, 2020 Lignin is an aromatic biopolymer derived from lignocellulosic biomass. Providing a comprehensive structural analysis of lignin is the primary motivation for the quantification of various functional groups, with a view to valorizing lignin in a wide range
Esakkiammal Sudha Esakkimuthu +3 more
doaj +1 more source
Equilibrium conversion, selectivity and yield optimization of the simultaneous liquid-phase etherification of isobutene and isoamylenes with ethanol over Amberlyst 35 [PDF]
, 2015 A prospective study on the product distribution at chemical equilibrium for the simultaneous liquid-phase etherification of isobutene and isoamylenes with ethanol over Amberlyst¿ 35 is presented.
Bringué Tomàs, Roger +4 more
core +1 more source
Automated access to well-defined ionic oligosaccharides [PDF]
, 2020 Ionic polysaccharides are part of many biological events, but lack structural characterisation due to challenging purifications and complex synthesis. Four monosaccharides bearing modifications not found in nature are used for the automated synthesis of ...
Delbianco, M. +5 more
core +1 more source
Continuous N-alkylation reactions of amino alcohols using γ-Al2O3 and supercritical CO2: unexpected formation of cyclic ureas and urethanes by reaction with CO2 [PDF]
, 2017 The use of γ-Al2O3 as a heterogeneous catalyst in scCO2, has be successfully applied to the amination of alcohols for the synthesis of N-alkylated heterocycles.
George, Michael W. +3 more
core +5 more sources