Synlett 2021; 32(08): 838-844
DOI: 10.1055/a-1335-7330
letter

The Use of 5-Hydroxymethylfurfural towards Fine Chemicals: Synthesis and Direct Arylation of 5-HMF-Based Oxazoles

a   Université de Lyon, INSA Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5246, ICBMS, 1 Rue Victor Grignard, 69621, Villeurbanne Cedex, France
b   Laboratório de Química Farmacêutica Medicinal, Programa de Pós-Graduação em Farmácia, CCS, Universidade Federal de Santa Catarina, Campus Universitário, 88040900, Florianópolis, Brasil
,
Lucie Grand
a   Université de Lyon, INSA Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5246, ICBMS, 1 Rue Victor Grignard, 69621, Villeurbanne Cedex, France
,
Eloir P. Schenkel
b   Laboratório de Química Farmacêutica Medicinal, Programa de Pós-Graduação em Farmácia, CCS, Universidade Federal de Santa Catarina, Campus Universitário, 88040900, Florianópolis, Brasil
,
Lílian Sibelle Campos Bernardes
b   Laboratório de Química Farmacêutica Medicinal, Programa de Pós-Graduação em Farmácia, CCS, Universidade Federal de Santa Catarina, Campus Universitário, 88040900, Florianópolis, Brasil
,
Maïwenn Jacolot
a   Université de Lyon, INSA Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5246, ICBMS, 1 Rue Victor Grignard, 69621, Villeurbanne Cedex, France
,
a   Université de Lyon, INSA Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5246, ICBMS, 1 Rue Victor Grignard, 69621, Villeurbanne Cedex, France
› Author Affiliations
This research was partly funded by CNPq and CAPES through a PrInt scholarship granted to RdR.


Abstract

5-Hydroxymethylfurfural (5-HMF) is a renewable platform chemical used as a source for obtaining diverse fine chemicals. In this letter, we report the synthesis of 5-HMF-based oxazole compounds. While 5-HMF could be easily converted into the oxazole derivative through the Van Leusen reaction, the direct arylation step needed to access the final compounds was problematic at first. After optimization, a palladium-catalyzed procedure has been developed and used for the synthesis of a series of 33 derivatives. This article reports an extension of the late-stage CH arylation reaction as an application to the oxazole platform derived from biosourced 5-HMF. The challenges in the preparation of the derivatives containing some electron-withdrawing substituents were overcome by the use of a palladium-free method.

Supporting Information



Publication History

Received: 24 September 2020

Accepted after revision: 11 December 2020

Accepted Manuscript online:
11 December 2020

Article published online:
02 March 2021

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