Synthesis of 4H-chromenes promoted by NbCl<inf>5</inf> through multicomponent reaction

Oshiro, Paula Beatriz [UNESP]; Da Silva Gomes Lima, Paula Souza [UNESP]; De Menezes, Manoel Lima [UNESP]; Da Silva-Filho, Luiz Carlos [UNESP]

Synthesis of 4H-chromenes promoted by NbCl<inf>5</inf> through multicomponent reaction

Data

2015-06-25

Autores

Oshiro, Paula Beatriz

Da Silva Gomes Lima, Paula Souza

De Menezes, Manoel Lima

Da Silva-Filho, Luiz Carlos

Tipo

Artigo

Direito de acesso

Acesso restrito

Resumo

Abstract Multicomponent reactions between phenols, β-ketoesters, and benzaldehydes for the synthesis of 4H-chromenes derivatives promoted by niobium pentachloride (NbCl<inf>5</inf>) were carried out, providing good yields and reasonable reaction times under mild reaction conditions.