Synthesis of 4H-chromenes promoted by NbCl5 through multicomponent reaction

Oshiro, Paula Beatriz; da Silva Gomes Lima, Paula Souza; de Menezes, Manoel Lima; da Silva-Filho, Luiz Carlos

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Synthesis of 4H-chromenes promoted by NbCl5 through multicomponent reaction

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Author(s):	Oshiro, Paula Beatriz ^[1] ; da Silva Gomes Lima, Paula Souza ^[1] ; de Menezes, Manoel Lima ^[1] ; da Silva-Filho, Luiz Carlos ^[1] Total Authors: 4
Affiliation:	^[1] Sao Paulo State Univ UNESP, Dept Chem, BR-17033360 Sao Paulo - Brazil Total Affiliations: 1
Document type:	Journal article
Source:	Tetrahedron Letters; v. 56, n. 30, p. 4476-4479, JUL 22 2015.
Web of Science Citations:	13
Abstract
Multicomponent reactions between phenols, beta-ketoesters, and benzaldehydes for the synthesis of 4H-chromenes derivatives promoted by niobium pentachloride (NbCl5) were carried out, providing good yields and reasonable reaction times under mild reaction conditions. (C) 2015 Elsevier Ltd. All rights reserved. (AU)

FAPESP's process:	13/08697-0 - Studies about the use niobium pentachloride in multicomponent reactions toward the synthesis of dye-sensitizers with potential application in photoelectrochemical devices of Grätzel
Grantee:	Luiz Carlos da Silva Filho
Support Opportunities:	Regular Research Grants

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