Results 31 to 40 of about 76,878 (276)

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

Pore-scale simulation of multicomponent multiphase reactive transport with dissolution and precipitation

open access: yes, 2014
Multicomponent multiphase reactive transport processes with dissolution-precipitation are widely encountered in energy and environment systems. A pore-scale two-phase multi-mixture model based on the lattice Boltzmann method (LBM) is developed for such ...
Chen, Li   +5 more
core   +1 more source

Stereoselective protecting group free synthesis of d,l-gulose ethyl glycoside via multicomponent enyne cross metathesis—hetero Diels–Alder reaction [PDF]

open access: yes, 2009
An efficient and stereoselective synthesis of d,l-gulose was described. The key step of the synthetic route is represented by a multicomponent enyne cross metathesis—hetero Diels–Alder reaction which allows the formation of the pyran ring from cheap and ...
Aoyagi   +22 more
core   +1 more source

Feasibility of Batch Reactive Distillation with Equilibrium-Limited Consecutive Reactions in Rectifier, Stripper, or Middle-Vessel Column. [PDF]

open access: yes, 2011
A general overall feasibility methodology of batch reactive distillation of multireaction systems is developed to study all the possible configurations of batch reactive distillation.
Lelkes, Zoltan   +4 more
core   +4 more sources

Sustainable Access to Acridin-9-(10H)ones with an Embedded m-Terphenyl Moiety Based on a Three-Component Reaction

open access: yesMolecules, 2020
A Ce(IV)-catalyzed three-component reaction between chalcones, anilines and β-ketoesters followed by a microwave-assisted thermal cyclization afforded 1,3-diaryl-1,2-dihydroacridin-9(10H)-ones.
Damiano Rocchi   +3 more
doaj   +1 more source

Mechanism reduction for multicomponent surrogates: a case study using toluene reference fuels

open access: yes, 2014
Strategies and recommendations for performing skeletal reductions of multicomponent surrogate fuels are presented, through the generation and validation of skeletal mechanisms for a three-component toluene reference fuel.
Niemeyer, Kyle E, Sung, Chih-Jen
core   +1 more source

Gasification of coal-derived chars in synthesis gas mixtures under intraparticle mass-transfer-controlled conditions [PDF]

open access: yes, 1986
A model has been formulated to describe the quasi-steady-state gasification of coal-derived chars in gas mixtures where both the reactants carbon dioxide and steam, and the gasification products carbon monoxide and hydrogen are present.
Bliek, A.   +2 more
core   +2 more sources

Deep Crustal Heating in a Multicomponent Accreted Neutron Star Crust

open access: yes, 2012
A quasi-statistical equilibrium model is constructed to simulate the multicomponent composition of the crust of an accreting neutron star. The ashes of rp-process nucleosynthesis are driven by accretion through a series of electron captures, neutron ...
Steiner, Andrew W.
core   +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

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