Results 91 to 100 of about 264,075 (214)

1,3-dipolar cycloaddition reactions of C-60 with 3-phenyl-phthalazinium-1-olate. A theoretical study

open access: yes, 2002
1,3-Dipolar cycloaddition products of the reaction between C-60 and 1-phenyl-phthalazinium-1-olate were studied within the framework of AM1(RHF) level. The reactions involving the double bond between two hexagons and a hexagon and a pentagon, as well as ...
Türker, Burhan Lemi
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Estudo das reações do acido de meldrum a bases de Schiff aromaticas [PDF]

open access: yes, 1997
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciencias Fisicas e MatematicasOs compostos imínicos possuem reatividade semelhante a dos compostos carbonílicos, ambos apresentam ligações heteropolares insaturadas.
Rosa, Flavia Aparecida Fernandes da
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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

Cyaphide-Azide 1,3-Dipolar Cycloaddition Reactions: Scope and Applicability. [PDF]

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

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

open access: yes, 1984
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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1,3-Dipolar and Diels-Alder cycloaddition reactions on polyester backbones possessing internal electron-deficient alkyne moieties

open access: yes, 2016
In this study we prepared a series of polyesters containing electron deficient internal alkyne units derived from acetylene dicarboxylic acid in the main backbone.
Hizal, Gurkan   +6 more
core   +1 more source

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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Intramolecular 1,3-dipolar cycloaddition of cyclo-1,3-diene-tethered nitrile oxides

open access: yes, 2020
-Intramolecular 1,3-dipolar cycloaddition of cyclo-1,3-diene-and -1,3,5-triene-tethered nitrile oxides gave tricyclic isoxazolines as a single stereoisomer in most cases.
Kumar Reddy   +5 more
core  

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