Results 111 to 120 of about 16,669 (224)

The Reactivity of Addends in the 1,3-Dipolar Cycloaddition Reaction

open access: yes, 2020
The influence of donor-acceptor interactions and localisation energies on the reactivity of addends in the 1,3-dipolar cycloaddition reaction is examined.
Samuilov Y., Konovalov A.
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Synthesis of new triazole-based trifluoromethyl scaffolds

open access: yesBeilstein Journal of Organic Chemistry, 2008
Trifluoromethyl propargylamines react with various azide derivatives to afford 1,4-disubstituted 1,2,3-triazoles through a Huisgen 1,3-dipolar cycloaddition. The reaction is catalyzed by a Cu(I) species in acetonitrile, and the corresponding products are
Michela Martinelli   +3 more
doaj   +1 more source

New N-Substituted Dipolarophiles in 1,3-Dipolar Cycloaddition of Nitrones

open access: yes, 2006
International audience(N-Vinyl)-1,3-oxazolidin-2-ones, -1,3-oxazolidine-2-thi-ones and -N′-methylimidazolidin-2-one were conveniently used as new dipolarophiles in thermal 1,3-dipolar cycloaddition involving activated nitrones, and led to new 5-N ...
Patrick Rollin   +17 more
core   +1 more source

Organocatalytic asymmetric 1,3-dipolarand formal 1,3-dipolar cycloaddition reactions.

open access: yes, 2011
207 p.This thesis consists of four chapters and demonstrates part of my research work on the application of organocatalysis, which has rapidly expanded over the past few decades, in asymmetric 1,3-dipolar and formal 1,3-dipolar cycloaddition reactions ...
Wang, Fei
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Cyaphide-Azide 1,3-Dipolar Cycloaddition Reactions: Scope and Applicability. [PDF]

open access: yesChemistry, 2023
Yang ES   +4 more
europepmc   +1 more source

1,3-Dipolar cycloaddition reactions of tetra- and tripyridylporphyrins

open access: yes, 2020
1,3-dipolarna cikloadicija jedna je od najvažnijih metoda u organskoj kemiji za sintezu peteročlanih prstena. Ovdje dolazi do reakcije između vrste zwitterionske rezonantne strukture, odnosno 1,3-dipola i spoja koji u svojoj strukturi ima višestruku vezu,
Vincetić, Magdalena
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Síntese de sais de isotiourônio e sua versatilidade em reações de acetilação e na preparação de heterociclos multifuncionalizados [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2011O presente trabalho foi desenvolvido visando à obtenção de novos compostos orgânicos ...
Ferreira, Misael
core  

Catalytic Enantioselective 1,3-Dipolar Cycloaddition of C,N-Cyclic Azomethine Imines with α,β-Unsaturated Aldehydes

open access: yes, 2016
Catalytic Enantioselective 1,3-Dipolar Cycloaddition of C,N-Cyclic Azomethine Imines with α,β-Unsaturated ...
Masato Omote (2309356)   +4 more
core   +2 more sources

Novas metodologias sintéticas utilizando reator de micro-ondas fundamentadas nos princípios da química verde (azidas alílicas e reações de cicloadição) [PDF]

open access: yes, 2010
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Química.Este trabalho objetiva a preparação de compostos nitrogenados multifuncionais e de sistemas alílicos contendo o grupo azido, os quais são
Monteiro, Gustavo Claro
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