Results 11 to 20 of about 2,239,305 (281)

1,3-Dipolar Cycloaddition (Part II): Three-Component Cu(I) Catalysed Click Reactions [PDF]

open access: yesKemija u Industriji, 2015
The Cu(I) catalysed reaction of sulfonyl or phosphoryl azide and terminal alkyne obtains a ketenimine intermediate that reacts with nucleophiles like water, alcohols, amines, imines, pyrroles or indoles producing corresponding amides, imidates, amidines ...
Krstulović L.   +4 more
doaj   +1 more source

Sufficient conditions for wave instability in three-component reaction-diffusion systems [PDF]

open access: yes, 2013
Sufficient conditions for the wave instability in general three-component reaction-diffusion systems are derived. These conditions are expressed in terms of the Jacobian matrix of the uniform steady state of the system, and enable us to determine whether
Hata, Shigefumi   +2 more
core   +3 more sources

Bismuth Triflate-Catalyzed Three-Component Mannich-Type Reaction [PDF]

open access: yesThe Journal of Organic Chemistry, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Thierry, Ollevier, Etienne, Nadeau
openaire   +2 more sources

Alkoxyallene‐Based LANCA Three‐Component Synthesis of 1,2‐Diketones, Quinoxalines, and Unique Isoindenone Dimers and a Computational Study of the Isoindenone Dimerization [PDF]

open access: yes, 2020
A series of β‐alkoxy‐β‐ketoenamides was prepared by the well‐established LANCA three‐component reaction of lithiated 1‐(2‐trimethylsilylethoxy)‐substituted allenes, nitriles, and α,β‐unsaturated carboxylic acids.
Bera M. K.   +6 more
core   +1 more source

Highly efficient construction of multi-substituted aminopyrazoles derivatives via iodine-mediated three-components reaction as potential anticancer agents

open access: yesGreen Chemistry Letters and Reviews, 2023
As an important class of natural products, pyrazole alkaloids have a large number of applications in various aspects such as medicines and pesticides. Due to the special position of its amino group, 3-aminopyrazole is easy to form a hydrogen bond donor ...
Zilin Gao   +9 more
doaj   +1 more source

Chemical Association via Exact Thermodynamic Formulations [PDF]

open access: yes, 1998
It can be fruitful to view two-component physical systems of attractive monomers, A and B, ``chemically'' in terms of a reaction A + B C, where C = AB is an associated pair or complex.
Anderko   +14 more
core   +2 more sources

A Nanovessel-Catalyzed Three-Component Aza-Darzens Reaction [PDF]

open access: yesJournal of the American Chemical Society, 2020
It has been previously demonstrated that nanovessels can be highly competent catalysts providing high rate accelerations and unique selectivity to the organic transformations which they mediate. However, for supramolecular assemblies to be considered a standard reagent in organic synthesis they must first demonstrate the ability to catalyze ...
Stephen M. Bierschenk   +3 more
openaire   +4 more sources

New description of four-body breakup reaction [PDF]

open access: yes, 2010
We present a novel method of smoothing discrete breakup cross sections calculated by the method of continuum-discretized coupled-channels. The method based on the complex scaling method is tested with success for $^{58}$Ni($d$, $pn$) reaction at 80 MeV ...
Katō, Kiyoshi   +2 more
core   +2 more sources

Saturation of front propagation in a reaction-diffusion process describing plasma damage in porous low-k materials [PDF]

open access: yes, 2011
We propose a three-component reaction-diffusion system yielding an asymptotic logarithmic time-dependence for a moving interface. This is naturally related to a Stefan-problem for which both one-sided Dirichlet-type and von Neumann-type boundary ...
A. Kolmogorov   +9 more
core   +4 more sources

Microwave-assisted three-component domino reaction: Synthesis of indolodiazepinotriazoles

open access: yesBeilstein Journal of Organic Chemistry, 2013
A microwave-assisted three-component protocol involving N-1 alkylation of 2-alkynylindoles with epichlorohydrin, ring opening of the epoxide with sodium azide, and an intramolecular Huisgen azide–internal alkyne 1,3-dipolar cycloaddition domino sequence ...
Rajesh K. Arigela   +3 more
doaj   +1 more source

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