4-(2-Hydroxyphenyl) imidazolium salts as organocatalysts for cycloaddition of isocyanates and epoxides to yield oxazolidin-2-ones

Novel salts based on 1,3-dibutyl-4-(2-hydroxyphenyl)-1H-imidazolium bromide or iodide have been developed as bifunctional organocatalysts for the cycloaddition reaction of epoxides and isocyanates to form 3,4- and 3,5-disubstituted oxazolidin-2-ones. The molecular structure of these compounds was de...

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Detalhes bibliográficos
Autores: Caballero, María P., Carrascosa, Fernando, Cruz Martínez, Felipe, Castro Osma, José A., Rodríguez, Ana M., North, Michael, Lara Sánchez, Agustín, Tejeda Sojo, Juan
Tipo de documento: artigo
Data de publicação:2022
País:España
Recursos:Universidad de Castilla-La Mancha
Repositório:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/36600
Acesso em linha:https://hdl.handle.net/10578/36600
Access Level:Acceso aberto
Palavra-chave:Epoxides
Imidazolium salts
Organocatalysts
Oxazolidin-2-ones
Descrição
Resumo:Novel salts based on 1,3-dibutyl-4-(2-hydroxyphenyl)-1H-imidazolium bromide or iodide have been developed as bifunctional organocatalysts for the cycloaddition reaction of epoxides and isocyanates to form 3,4- and 3,5-disubstituted oxazolidin-2-ones. The molecular structure of these compounds was determined spectroscopically and confirmed by X-ray diffraction analysis.